wip

Add video description to metadata
Update docs and changelog
2024-08-30 18:32:25 +00:00 · 2024-03-29 09:58:36 +01:00 · 2024-03-29 09:45:04 +01:00 · 2024-03-29 08:49:35 +01:00 · 2024-03-29 08:43:32 +01:00 · 2024-03-29 08:43:32 +01:00
37 changed files with 1028 additions and 882 deletions
--- a/.vermin
+++ b/.vermin
@ -0,0 +1,4 @@
+[vermin]
+only_show_violations = yes
+show_tips = no
+targets = 3.8
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -3,6 +3,25 @@ twitch-dl changelog

 <!-- Do not edit. This file is automatically generated from changelog.yaml.-->

+### [2.2.0 (TBA)](https://github.com/ihabunek/twitch-dl/releases/tag/2.2.0)
+
+* **Requires python 3.8 or later**
+* Migrated to click lib for cli parsing
+* Add shell auto completion
+
+### [2.1.4 (2024-01-06)](https://github.com/ihabunek/twitch-dl/releases/tag/2.1.4)
+
+* Fix error caused by twitch requiring https for the usher api (thanks
+  @deanpcmad)
+
+### [2.1.3 (2023-05-07)](https://github.com/ihabunek/twitch-dl/releases/tag/2.1.3)
+
+* Replace client ID with one that works for now (thanks @mwhite34)
+
+### [2.1.2 (2023-04-18)](https://github.com/ihabunek/twitch-dl/releases/tag/2.1.2)
+
+* Fix error caused by twitch changing the Usher domain (thanks @adsa95)
+
 ### [2.1.1 (2022-11-20)](https://github.com/ihabunek/twitch-dl/releases/tag/2.1.1)

 * Fix Python 3.7 compatibility (#117, thanks @eliduvid)
--- a/5
+++ b/5
@ -2,9 +2,8 @@

 default : clean dist

-dist :
-	python setup.py sdist --formats=gztar,zip
-	python setup.py bdist_wheel --python-tag=py3
+dist:
+	python -m build

 clean :
 	find . -name "*pyc" | xargs rm -rf $1
--- a/README.md
+++ b/README.md
@ -17,7 +17,7 @@ Resources
 Requirements
 ------------

-* Python 3.7 or later
+* Python 3.8 or later
 * [ffmpeg](https://ffmpeg.org/download.html), installed and on the system path

 Quick start
--- a/changelog.yaml
+++ b/changelog.yaml
@ -1,3 +1,28 @@
+2.2.0:
+  date: TBA
+  changes:
+    - "**Requires python 3.8 or later**"
+    - "Migrated to Click library for generating the commandline interface"
+    - "Add shell auto completion, see: https://twitch-dl.bezdomni.net/shell_completion.html"
+    - "Add setting defaults via environment variables, see: https://twitch-dl.bezdomni.net/environment_variables.html"
+    - "Add `download --concat` option to avoid using ffmeg for joinig vods and concat them instead. This will produce a `.ts` file by default."
+    - "Add video description to metadata (#129)"
+
+2.1.4:
+  date: 2024-01-06
+  changes:
+    - "Fix error caused by twitch requiring https for the usher api (thanks @deanpcmad)"
+
+2.1.3:
+  date: 2023-05-07
+  changes:
+    - "Replace client ID with one that works for now (thanks @mwhite34)"
+
+2.1.2:
+  date: 2023-04-18
+  changes:
+    - "Fix error caused by twitch changing the Usher domain (thanks @adsa95)"
+
 2.1.1:
  date: 2022-11-20
  changes:
--- a/docs/SUMMARY.md
+++ b/docs/SUMMARY.md
@ -9,6 +9,8 @@
    - [twitch-dl clips](commands/clips.md)
    - [twitch-dl info](commands/info.md)
    - [twitch-dl env](commands/env.md)
+- [Environemnt variables](environment_variables.md)
+- [Shell completion](shell_completion.md)
 - [Advanced](advanced.md)

 [License](license.md)
--- a/docs/changelog.md
+++ b/docs/changelog.md
@ -3,6 +3,25 @@ twitch-dl changelog

 <!-- Do not edit. This file is automatically generated from changelog.yaml.-->

+### [2.2.0 (TBA)](https://github.com/ihabunek/twitch-dl/releases/tag/2.2.0)
+
+* **Requires python 3.8 or later**
+* Migrated to click lib for cli parsing
+* Add shell auto completion
+
+### [2.1.4 (2024-01-06)](https://github.com/ihabunek/twitch-dl/releases/tag/2.1.4)
+
+* Fix error caused by twitch requiring https for the usher api (thanks
+  @deanpcmad)
+
+### [2.1.3 (2023-05-07)](https://github.com/ihabunek/twitch-dl/releases/tag/2.1.3)
+
+* Replace client ID with one that works for now (thanks @mwhite34)
+
+### [2.1.2 (2023-04-18)](https://github.com/ihabunek/twitch-dl/releases/tag/2.1.2)
+
+* Fix error caused by twitch changing the Usher domain (thanks @adsa95)
+
 ### [2.1.1 (2022-11-20)](https://github.com/ihabunek/twitch-dl/releases/tag/2.1.1)

 * Fix Python 3.7 compatibility (#117, thanks @eliduvid)
--- a/docs/commands/clips.md
+++ b/docs/commands/clips.md
@ -1,64 +1,47 @@
 <!-- ------------------- generated docs start ------------------- -->
 # twitch-dl clips

-List or download clips for a channel.
+List or download clips for given CHANNEL_NAME.

 ### USAGE

 ```
-twitch-dl clips <channel_name> [FLAGS] [OPTIONS]
+twitch-dl clips [OPTIONS] CHANNEL_NAME
 ```

-### ARGUMENTS
-
-<table>
-<tbody>
-<tr>
-    <td class="code">&lt;channel_name&gt;</td>
-    <td>Name of the channel to list clips for.</td>
-</tr>
-</tbody>
-</table>
-
-### FLAGS
-
-<table>
-<tbody>
-<tr>
-    <td class="code">-a, --all</td>
-    <td>Fetch all videos, overrides --limit</td>
-</tr>
-
-<tr>
-    <td class="code">-j, --json</td>
-    <td>Show results as JSON. Ignores <code>--pager</code>.</td>
-</tr>
-
-<tr>
-    <td class="code">-d, --download</td>
-    <td>Download all videos in given period (in source quality)</td>
-</tr>
-</tbody>
-</table>
-
 ### OPTIONS

 <table>
 <tbody>
 <tr>
-    <td class="code">-l, --limit</td>
-    <td>Number of videos to fetch (default 10, max 100)</td>
+    <td class="code">-a, --all</td>
+    <td>Fetch all clips, overrides --limit</td>
 </tr>

 <tr>
-    <td class="code">-P, --period</td>
-    <td>Period from which to return clips. Defaults to <code>all_time</code>. Possible values: <code>last_day</code>, <code>last_week</code>, <code>last_month</code>, <code>all_time</code>.</td>
+    <td class="code">-d, --download</td>
+    <td>Download clips in given period (in source quality)</td>
 </tr>

 <tr>
-    <td class="code">-p, --pager</td>
+    <td class="code">-l, --limit INTEGER</td>
+    <td>Number of clips to fetch [max: 100] [default: <code>10</code>]</td>
+</tr>
+
+<tr>
+    <td class="code">-p, --pager INTEGER</td>
    <td>Number of clips to show per page. Disabled by default.</td>
 </tr>
+
+<tr>
+    <td class="code">-P, --period TEXT</td>
+    <td>Period from which to return clips Possible values: <code>last_day</code>, <code>last_week</code>, <code>last_month</code>, <code>all_time</code>. [default: <code>all_time</code>]</td>
+</tr>
+
+<tr>
+    <td class="code">--json</td>
+    <td>Print data as JSON rather than human readable text</td>
+</tr>
 </tbody>
 </table>

--- a/docs/commands/download.md
+++ b/docs/commands/download.md
@ -3,27 +3,49 @@

 Download videos or clips.

+    Pass one or more video ID, clip slug or Twitch URL to download.
+    
+
 ### USAGE

 ```
-twitch-dl download <videos> [FLAGS] [OPTIONS]
+twitch-dl download [OPTIONS] [IDS]...
 ```

-### ARGUMENTS
+### OPTIONS

 <table>
 <tbody>
 <tr>
-    <td class="code">&lt;videos&gt;</td>
-    <td>One or more video ID, clip slug or twitch URL to download.</td>
+    <td class="code">-a, --auth-token TEXT</td>
+    <td>Authentication token, passed to Twitch to access subscriber only VODs. Can be copied from the <code>auth_token</code> cookie in any browser logged in on Twitch.</td>
 </tr>
-</tbody>
-</table>

-### FLAGS
+<tr>
+    <td class="code">-c, --chapter INTEGER</td>
+    <td>Download a single chapter of the video. Specify the chapter number or use the flag without a number to display a chapter select prompt.</td>
+</tr>
+
+<tr>
+    <td class="code">--concat</td>
+    <td>Do not use ffmpeg to join files, concat them instead</td>
+</tr>
+
+<tr>
+    <td class="code">-d, --dry-run</td>
+    <td>Simulate the download provcess without actually downloading any files.</td>
+</tr>
+
+<tr>
+    <td class="code">-e, --end TEXT</td>
+    <td>Download video up to this time (hh:mm or hh:mm:ss)</td>
+</tr>
+
+<tr>
+    <td class="code">-f, --format TEXT</td>
+    <td>Video format to convert into, passed to ffmpeg as the target file extension. Defaults to <code>mkv</code>. If <code>--concat</code> is passed, defaults to <code>ts</code>.</td>
+</tr>

-<table>
-<tbody>
 <tr>
    <td class="code">-k, --keep</td>
    <td>Don&#x27;t delete downloaded VODs and playlists after merging.</td>
@ -38,56 +60,30 @@ twitch-dl download <videos> [FLAGS] [OPTIONS]
    <td class="code">--overwrite</td>
    <td>Overwrite the target file if it already exists without prompting.</td>
 </tr>
-</tbody>
-</table>

-### OPTIONS
-
-<table>
-<tbody>
 <tr>
-    <td class="code">-w, --max-workers</td>
-    <td>Number of workers for downloading vods concurrently (default 5)</td>
+    <td class="code">-o, --output TEXT</td>
+    <td>Output file name template. See docs for details. [default: <code>{date}_{id}_{channel_login}_{title_slug}.{format}</code>]</td>
 </tr>

 <tr>
-    <td class="code">-s, --start</td>
-    <td>Download video from this time (hh:mm or hh:mm:ss)</td>
+    <td class="code">-q, --quality TEXT</td>
+    <td>Video quality, e.g. <code>720p</code>. Set to <code>source</code> to get best quality.</td>
 </tr>

 <tr>
-    <td class="code">-e, --end</td>
-    <td>Download video up to this time (hh:mm or hh:mm:ss)</td>
-</tr>
-
-<tr>
-    <td class="code">-f, --format</td>
-    <td>Video format to convert into, passed to ffmpeg as the target file extension. Defaults to <code>mkv</code>.</td>
-</tr>
-
-<tr>
-    <td class="code">-q, --quality</td>
-    <td>Video quality, e.g. 720p. Set to &#x27;source&#x27; to get best quality.</td>
-</tr>
-
-<tr>
-    <td class="code">-a, --auth-token</td>
-    <td>Authentication token, passed to Twitch to access subscriber only VODs. Can be copied from the &#x27;auth_token&#x27; cookie in any browser logged in on Twitch.</td>
-</tr>
-
-<tr>
-    <td class="code">-o, --output</td>
-    <td>Output file name template. See docs for details.</td>
-</tr>
-
-<tr>
-    <td class="code">-r, --rate-limit</td>
+    <td class="code">-r, --rate-limit TEXT</td>
    <td>Limit the maximum download speed in bytes per second. Use &#x27;k&#x27; and &#x27;m&#x27; suffixes for kbps and mbps.</td>
 </tr>

 <tr>
-    <td class="code">-c, --chapter</td>
-    <td>Download a single chapter of the video. Specify the chapter number or use the flag without a number to display a chapter select prompt.</td>
+    <td class="code">-s, --start TEXT</td>
+    <td>Download video from this time (hh:mm or hh:mm:ss)</td>
+</tr>
+
+<tr>
+    <td class="code">-w, --max-workers INTEGER</td>
+    <td>Number of workers for downloading vods concurrently [default: <code>5</code>]</td>
 </tr>
 </tbody>
 </table>
--- a/docs/commands/env.md
+++ b/docs/commands/env.md
@ -6,7 +6,7 @@ Print environment information for inclusion in bug reports.
 ### USAGE

 ```
-twitch-dl env 
+twitch-dl env [OPTIONS]
 ```

 <!-- ------------------- generated docs end ------------------- -->
--- a/docs/commands/info.md
+++ b/docs/commands/info.md
@ -6,27 +6,16 @@ Print information for a given Twitch URL, video ID or clip slug.
 ### USAGE

 ```
-twitch-dl info <video> [FLAGS]
+twitch-dl info [OPTIONS] ID
 ```

-### ARGUMENTS
+### OPTIONS

 <table>
 <tbody>
 <tr>
-    <td class="code">&lt;video&gt;</td>
-    <td>Video ID, clip slug, or URL</td>
-</tr>
-</tbody>
-</table>
-
-### FLAGS
-
-<table>
-<tbody>
-<tr>
-    <td class="code">-j, --json</td>
-    <td>Show results as JSON</td>
+    <td class="code">--json</td>
+    <td>Print data as JSON rather than human readable text</td>
 </tr>
 </tbody>
 </table>
--- a/docs/commands/videos.md
+++ b/docs/commands/videos.md
@ -1,73 +1,56 @@
 <!-- ------------------- generated docs start ------------------- -->
 # twitch-dl videos

-List videos for a channel.
+List or download clips for given CHANNEL_NAME.

 ### USAGE

 ```
-twitch-dl videos <channel_name> [FLAGS] [OPTIONS]
+twitch-dl videos [OPTIONS] CHANNEL_NAME
 ```

-### ARGUMENTS
-
-<table>
-<tbody>
-<tr>
-    <td class="code">&lt;channel_name&gt;</td>
-    <td>Name of the channel to list videos for.</td>
-</tr>
-</tbody>
-</table>
-
-### FLAGS
-
-<table>
-<tbody>
-<tr>
-    <td class="code">-a, --all</td>
-    <td>Fetch all videos, overrides --limit</td>
-</tr>
-
-<tr>
-    <td class="code">-j, --json</td>
-    <td>Show results as JSON. Ignores <code>--pager</code>.</td>
-</tr>
-
-<tr>
-    <td class="code">-c, --compact</td>
-    <td>Show videos in compact mode, one line per video</td>
-</tr>
-</tbody>
-</table>
-
 ### OPTIONS

 <table>
 <tbody>
 <tr>
-    <td class="code">-g, --game</td>
+    <td class="code">-a, --all</td>
+    <td>Fetch all clips, overrides --limit</td>
+</tr>
+
+<tr>
+    <td class="code">-c, --compact</td>
+    <td>Show videos in compact mode, one line per video</td>
+</tr>
+
+<tr>
+    <td class="code">-l, --limit INTEGER</td>
+    <td>Number of videos to fetch. Defaults to 40 in compact mode, 10 otherwise.</td>
+</tr>
+
+<tr>
+    <td class="code">-p, --pager INTEGER</td>
+    <td>Number of videos to show per page. Disabled by default.</td>
+</tr>
+
+<tr>
+    <td class="code">-g, --game TEXT</td>
    <td>Show videos of given game (can be given multiple times)</td>
 </tr>

 <tr>
-    <td class="code">-l, --limit</td>
-    <td>Number of videos to fetch. Defaults to 40 in copmpact mode, 10 otherwise.</td>
+    <td class="code">-s, --sort TEXT</td>
+    <td>Sorting order of videos Possible values: <code>views</code>, <code>time</code>. [default: <code>time</code>]</td>
 </tr>

 <tr>
-    <td class="code">-s, --sort</td>
-    <td>Sorting order of videos. Defaults to <code>time</code>. Possible values: <code>views</code>, <code>time</code>.</td>
+    <td class="code">-t, --type TEXT</td>
+    <td>Broadcast type Possible values: <code>archive</code>, <code>highlight</code>, <code>upload</code>. [default: <code>archive</code>]</td>
 </tr>

 <tr>
-    <td class="code">-t, --type</td>
-    <td>Broadcast type. Defaults to <code>archive</code>. Possible values: <code>archive</code>, <code>highlight</code>, <code>upload</code>.</td>
-</tr>
-
-<tr>
-    <td class="code">-p, --pager</td>
-    <td>Print videos in pages. Ignores <code>--limit</code>. Defaults to 10.</td>
+    <td class="code">--json</td>
+    <td>Print data as JSON rather than human readable text</td>
 </tr>
 </tbody>
 </table>
--- a/docs/environment_variables.md
+++ b/docs/environment_variables.md
@ -0,0 +1,15 @@
+# Environment variables
+
+> Introduced in twitch-dl 2.2.0
+
+twitch-dl allows setting defaults for parameters via environment variables.
+
+Environment variables should be named `TWITCH_DL_<COMMAND_NAME>_<OPTION_NAME>`.
+
+For example, when invoking `twitch-dl download`, if you always set `--quality
+source` you can set the following environment variable to make this the
+default:
+
+```
+TWITCH_DL_DOWNLOAD_QUALITY="source"
+```
--- a/docs/installation.md
+++ b/docs/installation.md
@ -1,6 +1,6 @@
 # Installation

-twitch-dl requires **Python 3.7** or later.
+twitch-dl requires **Python 3.8** or later.

 ## Prerequisite: FFmpeg

--- a/docs/shell_completion.md
+++ b/docs/shell_completion.md
@ -0,0 +1,31 @@
+# Shell completion
+
+> Introduced in twitch-dl 2.2.0
+
+twitch-dl uses [Click shell completion](https://click.palletsprojects.com/en/8.1.x/shell-completion/) which works on Bash, Fish and Zsh.
+
+To enable completion, twitch-dl must be [installed](./installation.html) as a command and available by ivoking `twitch-dl`. Then follow the instructions for your shell.
+
+**Bash**
+
+Add to `~/.bashrc`:
+
+```
+eval "$(_TWITCH_DL_COMPLETE=bash_source twitch-dl)"
+```
+
+**Fish**
+
+Add to `~/.config/fish/completions/twitch-dl.fish`:
+
+```
+_TWITCH_DL_COMPLETE=fish_source twitch-dl | source
+```
+
+**Zsh**
+
+Add to `~/.zshrc`:
+
+```
+eval "$(_TWITCH_DL_COMPLETE=zsh_source twitch-dl)"
+```
--- a/pyproject.toml
+++ b/pyproject.toml
@ -0,0 +1,58 @@
+[build-system]
+requires = ["setuptools>=64", "setuptools_scm>=8"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "twitch-dl"
+authors = [{ name="Ivan Habunek", email="ivan@habunek.com" }]
+description = "Quickly download videos from twitch.tv from the comort of your terminal emulator"
+keywords=["twitch", "vod", "video", "download"]
+readme = "README.md"
+license = { file="LICENSE" }
+requires-python = ">=3.8"
+dynamic = ["version"]
+
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Environment :: Console",
+    "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
+    "Operating System :: OS Independent",
+]
+
+dependencies = [
+    "click>=8.0.0,<9.0.0",
+    "httpx>=0.17.0,<1.0.0",
+    "m3u8>=1.0.0,<4.0.0",
+]
+
+[tool.setuptools]
+packages = [
+    "twitchdl",
+    "twitchdl.commands",
+]
+
+[tool.setuptools_scm]
+
+[project.optional-dependencies]
+dev = [
+    "build",
+    "pytest",
+    "pyyaml",
+    "setuptools",
+    "twine",
+    "vermin",
+]
+
+[project.urls]
+"Homepage" = "https://twitch-dl.bezdomni.net/"
+"Source" = "https://github.com/ihabunek/twitch-dl"
+
+[project.scripts]
+twitch-dl = "twitchdl.cli:cli"
+
+[tool.pyright]
+include = ["twitchdl"]
+typeCheckingMode = "strict"
+
+[tool.ruff]
+line-length = 100
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@ -1,4 +0,0 @@
-pytest
-twine
-wheel
-pyyaml
--- a/scripts/generate_docs
+++ b/scripts/generate_docs
@ -4,13 +4,16 @@
 Auto-generates documentation from command defs in console.py.
 """

+import click
 import html
 import os
 import re
 import shutil
 import textwrap

-from twitchdl.console import COMMANDS
+from click import Command
+
+from twitchdl.cli import cli


 START_MARKER = "<!-- ------------------- generated docs start ------------------- -->"
@ -19,8 +22,11 @@ END_MARKER = "<!-- ------------------- generated docs end ------------------- --

 def main():
    update_changelog()
-    for command in COMMANDS:
-        update_docs(command)
+
+    parent_ctx = click.Context(cli, info_name="twitch-dl")
+    for name, command in cli.commands.items():
+        ctx = click.Context(cli, info_name=name, parent=parent_ctx)
+        update_docs(command, ctx)


 def update_changelog():
@ -31,9 +37,9 @@ def update_changelog():
    shutil.copy(source, target)


-def update_docs(command):
+def update_docs(command: Command, ctx: click.Context):
    path = os.path.join("docs", "commands", f"{command.name}.md")
-    content = render_command(command)
+    content = render_command(command, ctx)

    if not os.path.exists(path):
        print(f"Creating: {path}")
@ -45,87 +51,29 @@ def update_docs(command):
        write(path, content)


-def render_command(command):
+def render_command(command: Command, ctx: click.Context):
    content = START_MARKER
    content += f"\n# twitch-dl {command.name}\n\n"
-    content += command.description + "\n\n"
-    content += render_usage(command)
-    content += render_arguments(command)
-    content += render_flags(command)
-    content += render_options(command)
+
+    if command.help:
+        content += command.help + "\n\n"
+
+    content += render_usage(ctx, command)
+    content += render_options(ctx, command)
    return content


-def render_usage(command):
-    arguments = get_arguments(command)
-    arguments = " ".join(f"<{name}>" for [name, _] in arguments)
-    flags = get_flags(command)
-    options = get_options(command)
-
+def render_usage(ctx: click.Context, command: Command):
    content = "### USAGE\n\n"
    content += "```\n"
-    content += f"twitch-dl {command.name} {arguments}"
-
-    if flags:
-        content += " [FLAGS]"
-
-    if options:
-        content += " [OPTIONS]"
+    content += command.get_usage(ctx).replace("Usage: ", "")

    content += "\n```\n\n"
-
    return content


-def render_arguments(command):
-    arguments = get_arguments(command)
-
-    if not arguments:
-        return ""
-
-    content = "### ARGUMENTS\n\n"
-
-    content += "<table>\n"
-    content += "<tbody>"
-    for [name, params] in arguments:
-        content += textwrap.dedent(f"""
-        <tr>
-            <td class="code">&lt;{escape(name)}&gt;</td>
-            <td>{escape(params['help'])}</td>
-        </tr>
-        """)
-    content += "</tbody>\n"
-    content += "</table>\n\n"
-
-    return content
-
-
-def render_flags(command):
-    flags = get_flags(command)
-
-    if not flags:
-        return ""
-
-    content = "### FLAGS\n\n"
-
-    content += "<table>\n"
-    content += "<tbody>"
-    for [names, params] in flags:
-        names = ", ".join(f"{name}" for name in names)
-        content += textwrap.dedent(f"""
-        <tr>
-            <td class="code">{escape(names)}</td>
-            <td>{escape(params['help'])}</td>
-        </tr>
-        """)
-    content += "</tbody>\n"
-    content += "</table>\n\n"
-
-    return content
-
-
-def render_options(command):
-    options = get_options(command)
+def render_options(ctx, command: Command):
+    options = list(get_options(command))

    if not options:
        return ""
@ -134,12 +82,11 @@ def render_options(command):

    content += "<table>\n"
    content += "<tbody>"
-    for [names, params] in options:
-        names = ", ".join(f"{name}" for name in names)
+    for opts, help in options:
        content += textwrap.dedent(f"""
        <tr>
-            <td class="code">{escape(names)}</td>
-            <td>{escape(params['help'])}{choices(params)}</td>
+            <td class="code">{escape(opts)}</td>
+            <td>{escape(help)}</td>
        </tr>
        """)
    content += "</tbody>\n"
@ -148,37 +95,39 @@ def render_options(command):
    return content


-def choices(params):
-    if "choices" in params:
-        choices = ", ".join(code(c) for c in params["choices"])
+def get_options(command: Command):
+    for option in command.params:
+        if isinstance(option, click.Option):
+            opts = ", ".join(option.opts)
+            opts += option_type(option)
+
+            help = option.help or ""
+            help = re.sub(r"\s+", " ", help)
+            help += choices(option)
+            if option.default:
+                help += f" [default: `{option.default}`]"
+
+            yield opts, help
+
+
+def option_type(option: click.Option):
+    match option.type:
+        case click.types.StringParamType():
+            return " TEXT"
+        case click.types.Choice():
+            return " TEXT"
+        case click.types.IntParamType():
+            return " INTEGER"
+        case _:
+            return ""
+
+def choices(option: click.Option):
+    if isinstance(option.type, click.Choice):
+        choices = ", ".join(f"`{c}`" for c in option.type.choices)
        return f" Possible values: {choices}."
    return ""


-def get_arguments(command):
-    return [
-        [names[0], options]
-        for names, options in command.arguments
-        if len(names) == 1 and not names[0].startswith("-")
-    ]
-
-
-def get_flags(command):
-    return [
-        [names, options]
-        for names, options in command.arguments
-        if names[0].startswith("-") and "type" not in options
-    ]
-
-
-def get_options(command):
-    return [
-        [names, options]
-        for names, options in command.arguments
-        if names[0].startswith("-") and "type" in options
-    ]
-
-
 def read(path):
    with open(path, "r") as f:
        return f.read()
@ -189,10 +138,6 @@ def write(path, content):
        return f.write(content)


-def code(string):
-    return f"<code>{string}</code>"
-
-
 def escape(text: str):
    text = html.escape(text)
    text = re.sub(r"`([\S]+)`", "<code>\\1</code>", text)
--- a/setup.py
+++ b/setup.py
@ -1,42 +0,0 @@
-#!/usr/bin/env python
-
-from setuptools import setup, find_packages
-
-long_description = """
-Quickly download videos from twitch.tv.
-
-Works simliarly to youtube-dl but downloads multiple VODs in parallel which
-makes it faster.
-"""
-
-setup(
-    name="twitch-dl",
-    version="2.1.1",
-    description="Twitch downloader",
-    long_description=long_description.strip(),
-    author="Ivan Habunek",
-    author_email="ivan@habunek.com",
-    url="https://github.com/ihabunek/twitch-dl/",
-    project_urls={
-        "Documentation": "https://twitch-dl.bezdomni.net/"
-    },
-    keywords="twitch vod video download",
-    license="GPLv3",
-    classifiers=[
-        "Development Status :: 5 - Production/Stable",
-        "Environment :: Console",
-        "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
-        "Programming Language :: Python :: 3",
-    ],
-    packages=find_packages(),
-    python_requires=">=3.7",
-    install_requires=[
-        "m3u8>=1.0.0,<4.0.0",
-        "httpx>=0.17.0,<1.0.0",
-    ],
-    entry_points={
-        "console_scripts": [
-            "twitch-dl=twitchdl.console:main",
-        ],
-    }
-)
--- a/twitchdl/init.py
+++ b/twitchdl/init.py
@ -1,3 +1,8 @@
-__version__ = "2.1.1"
+from importlib import metadata

-CLIENT_ID = "kimne78kx3ncx6brgo4mv6wki5h1ko"
+try:
+    __version__ = metadata.version("twitch-dl")
+except metadata.PackageNotFoundError:
+    __version__ = "0.0.0"
+
+CLIENT_ID = "kd1unb4b3q4t58fwlpcbzcbnm76a8fp"
--- a/twitchdl/main.py
+++ b/twitchdl/main.py
@ -1,3 +1,3 @@
-from twitchdl.console import main
+from twitchdl.cli import cli

-main()
+cli()
--- a/twitchdl/cli.py
+++ b/twitchdl/cli.py
@ -0,0 +1,391 @@
+import click
+import logging
+import platform
+import re
+import sys
+
+from twitchdl import __version__
+from twitchdl.commands.clips import ClipsPeriod
+from twitchdl.entities import DownloadOptions
+
+# Tweak the Click context
+# https://click.palletsprojects.com/en/8.1.x/api/#context
+CONTEXT = dict(
+    # Enable using environment variables to set options
+    auto_envvar_prefix="TWITCH_DL",
+    # Add shorthand -h for invoking help
+    help_option_names=["-h", "--help"],
+    # Always show default values for options
+    show_default=True,
+    # Make help a bit wider
+    max_content_width=100,
+)
+
+json_option = click.option(
+    "--json",
+    is_flag=True,
+    default=False,
+    help="Print data as JSON rather than human readable text",
+)
+
+
+def validate_positive(_ctx: click.Context, _param: click.Parameter, value: int | None):
+    if value is not None and value <= 0:
+        raise click.BadParameter("must be greater than 0")
+    return value
+
+
+def validate_time(_ctx: click.Context, _param: click.Parameter, value: str) -> int | None:
+    """Parse a time string (hh:mm or hh:mm:ss) to number of seconds."""
+    if not value:
+        return None
+
+    parts = [int(p) for p in value.split(":")]
+
+    if not 2 <= len(parts) <= 3:
+        raise click.BadParameter("invalid time")
+
+    hours = parts[0]
+    minutes = parts[1]
+    seconds = parts[2] if len(parts) > 2 else 0
+
+    if hours < 0 or not (0 <= minutes <= 59) or not (0 <= seconds <= 59):
+        raise click.BadParameter("invalid time")
+
+    return hours * 3600 + minutes * 60 + seconds
+
+
+def validate_rate(_ctx: click.Context, _param: click.Parameter, value: str) -> int | None:
+    if not value:
+        return None
+
+    match = re.search(r"^([0-9]+)(k|m|)$", value, flags=re.IGNORECASE)
+
+    if not match:
+        raise click.BadParameter("must be an integer, followed by an optional 'k' or 'm'")
+
+    amount = int(match.group(1))
+    unit = match.group(2)
+
+    if unit == "k":
+        return amount * 1024
+
+    if unit == "m":
+        return amount * 1024 * 1024
+
+    return amount
+
+
+@click.group(context_settings=CONTEXT)
+@click.option("--debug/--no-debug", default=False, help="Log debug info to stderr")
+@click.option("--color/--no-color", default=sys.stdout.isatty(), help="Use ANSI color in output")
+@click.version_option(package_name="twitch-dl")
+@click.pass_context
+def cli(ctx: click.Context, color: bool, debug: bool):
+    """twitch-dl - twitch.tv downloader
+
+    https://toot.bezdomni.net/
+    """
+    ctx.color = color
+
+    if debug:
+        logging.basicConfig(level=logging.INFO)
+
+
+@cli.command()
+@click.argument("channel_name")
+@click.option(
+    "-a",
+    "--all",
+    help="Fetch all clips, overrides --limit",
+    is_flag=True,
+)
+@click.option(
+    "-d",
+    "--download",
+    help="Download clips in given period (in source quality)",
+    is_flag=True,
+)
+@click.option(
+    "-l",
+    "--limit",
+    help="Number of clips to fetch [max: 100]",
+    type=int,
+    default=10,
+    callback=validate_positive,
+)
+@click.option(
+    "-p",
+    "--pager",
+    help="Number of clips to show per page. Disabled by default.",
+    type=int,
+    callback=validate_positive,
+    is_flag=False,
+    flag_value=10,
+)
+@click.option(
+    "-P",
+    "--period",
+    help="Period from which to return clips",
+    default="all_time",
+    type=click.Choice(["last_day", "last_week", "last_month", "all_time"]),
+)
+@json_option
+def clips(
+    channel_name: str,
+    all: bool,
+    download: bool,
+    json: bool,
+    limit: int,
+    pager: int | None,
+    period: ClipsPeriod,
+):
+    """List or download clips for given CHANNEL_NAME."""
+    from twitchdl.commands.clips import clips
+
+    clips(
+        channel_name,
+        all=all,
+        download=download,
+        json=json,
+        limit=limit,
+        pager=pager,
+        period=period,
+    )
+
+
+@cli.command()
+@click.argument("ids", nargs=-1)
+@click.option(
+    "-a",
+    "--auth-token",
+    help="""Authentication token, passed to Twitch to access subscriber only
+         VODs. Can be copied from the `auth_token` cookie in any browser logged
+         in on Twitch.""",
+)
+@click.option(
+    "-c",
+    "--chapter",
+    help="""Download a single chapter of the video. Specify the chapter number
+         or use the flag without a number to display a chapter select prompt.
+         """,
+    type=int,
+    is_flag=False,
+    flag_value=0,
+)
+@click.option(
+    "--concat",
+    is_flag=True,
+    help="""Do not use ffmpeg to join files, concat them instead. This will
+         produce a .ts file by default.""",
+)
+@click.option(
+    "-d",
+    "--dry-run",
+    help="Simulate the download provcess without actually downloading any files.",
+    is_flag=True,
+)
+@click.option(
+    "-e",
+    "--end",
+    help="Download video up to this time (hh:mm or hh:mm:ss)",
+    callback=validate_time,
+)
+@click.option(
+    "-f",
+    "--format",
+    help="""Video format to convert into, passed to ffmpeg as the target file
+         extension. Defaults to `mkv`. If `--concat` is passed, defaults to
+         `ts`.""",
+)
+@click.option(
+    "-k",
+    "--keep",
+    help="Don't delete downloaded VODs and playlists after merging.",
+    is_flag=True,
+)
+@click.option(
+    "--no-join",
+    help="Don't run ffmpeg to join the downloaded vods, implies --keep.",
+    is_flag=True,
+)
+@click.option(
+    "--overwrite",
+    help="Overwrite the target file if it already exists without prompting.",
+    is_flag=True,
+)
+@click.option(
+    "-o",
+    "--output",
+    help="Output file name template. See docs for details.",
+    default="{date}_{id}_{channel_login}_{title_slug}.{format}",
+)
+@click.option(
+    "-q",
+    "--quality",
+    help="Video quality, e.g. `720p`. Set to `source` to get best quality.",
+)
+@click.option(
+    "-r",
+    "--rate-limit",
+    help="""Limit the maximum download speed in bytes per second. Use 'k' and
+         'm' suffixes for kbps and mbps.""",
+    callback=validate_rate,
+)
+@click.option(
+    "-s",
+    "--start",
+    help="Download video from this time (hh:mm or hh:mm:ss)",
+    callback=validate_time,
+)
+@click.option(
+    "-w",
+    "--max-workers",
+    help="Number of workers for downloading vods concurrently",
+    type=int,
+    default=5,
+)
+def download(
+    ids: tuple[str, ...],
+    auth_token: str | None,
+    chapter: int | None,
+    concat: bool,
+    dry_run: bool,
+    end: int | None,
+    format: str,
+    keep: bool,
+    no_join: bool,
+    overwrite: bool,
+    output: str,
+    quality: str | None,
+    rate_limit: str | None,
+    start: int | None,
+    max_workers: int,
+):
+    """Download videos or clips.
+
+    Pass one or more video ID, clip slug or Twitch URL to download.
+    """
+    from twitchdl.commands.download import download
+
+    if not format:
+        format = "ts" if concat else "mkv"
+
+    options = DownloadOptions(
+        auth_token=auth_token,
+        chapter=chapter,
+        concat=concat,
+        dry_run=dry_run,
+        end=end,
+        format=format,
+        keep=keep,
+        no_join=no_join,
+        overwrite=overwrite,
+        output=output,
+        quality=quality,
+        rate_limit=rate_limit,
+        start=start,
+        max_workers=max_workers,
+    )
+
+    download(list(ids), options)
+
+
+@cli.command()
+def env():
+    """Print environment information for inclusion in bug reports."""
+    click.echo(f"twitch-dl {__version__}")
+    click.echo(f"Python {sys.version}")
+    click.echo(f"Platform: {platform.platform()}")
+
+
+@cli.command()
+@click.argument("id")
+@json_option
+def info(id: str, json: bool):
+    """Print information for a given Twitch URL, video ID or clip slug."""
+    from twitchdl.commands.info import info
+
+    info(id, json=json)
+
+
+@cli.command()
+@click.argument("channel_name")
+@click.option(
+    "-a",
+    "--all",
+    help="Fetch all clips, overrides --limit",
+    is_flag=True,
+)
+@click.option(
+    "-c",
+    "--compact",
+    help="Show videos in compact mode, one line per video",
+    is_flag=True,
+)
+@click.option(
+    "-l",
+    "--limit",
+    help="Number of videos to fetch. Defaults to 40 in compact mode, 10 otherwise.",
+    type=int,
+    callback=validate_positive,
+)
+@click.option(
+    "-p",
+    "--pager",
+    help="Number of videos to show per page. Disabled by default.",
+    type=int,
+    callback=validate_positive,
+    is_flag=False,
+    flag_value=10,
+)
+@click.option(
+    "-g",
+    "--game",
+    "games_tuple",
+    help="Show videos of given game (can be given multiple times)",
+    multiple=True,
+)
+@click.option(
+    "-s",
+    "--sort",
+    help="Sorting order of videos",
+    default="time",
+    type=click.Choice(["views", "time"]),
+)
+@click.option(
+    "-t",
+    "--type",
+    help="Broadcast type",
+    default="archive",
+    type=click.Choice(["archive", "highlight", "upload"]),
+)
+@json_option
+def videos(
+    channel_name: str,
+    all: bool,
+    compact: bool,
+    games_tuple: tuple[str, ...],
+    json: bool,
+    limit: int | None,
+    pager: int | None,
+    sort: str,
+    type: str,
+):
+    """List or download clips for given CHANNEL_NAME."""
+    from twitchdl.commands.videos import videos
+
+    # Click provides a tuple, make it a list instead
+    games = list(games_tuple)
+
+    videos(
+        channel_name,
+        all=all,
+        compact=compact,
+        games=games,
+        json=json,
+        limit=limit,
+        pager=pager,
+        sort=sort,
+        type=type,
+    )
--- a/twitchdl/commands/init.py
+++ b/twitchdl/commands/init.py
@ -1,13 +0,0 @@
-from .clips import clips
-from .download import download
-from .env import env
-from .info import info
-from .videos import videos
-
-__all__ = [
-    clips,
-    download,
-    env,
-    info,
-    videos,
-]
--- a/twitchdl/commands/clips.py
+++ b/twitchdl/commands/clips.py
@ -1,6 +1,7 @@
 import re
 import sys

+from typing import Literal
 from itertools import islice
 from os import path

@ -9,24 +10,34 @@ from twitchdl.commands.download import get_clip_authenticated_url
 from twitchdl.download import download_file
 from twitchdl.output import print_out, print_clip, print_json

+ClipsPeriod = Literal["last_day", "last_week", "last_month", "all_time"]

-def clips(args):
+
+def clips(
+    channel_name: str,
+    *,
+    all: bool = False,
+    download: bool = False,
+    json: bool = False,
+    limit: int = 10,
+    pager: int | None = None,
+    period: ClipsPeriod = "all_time",
+):
    # Ignore --limit if --pager or --all are given
-    limit = sys.maxsize if args.all or args.pager else args.limit
+    limit = sys.maxsize if all or pager else limit

-    generator = twitch.channel_clips_generator(args.channel_name, args.period, limit)
+    generator = twitch.channel_clips_generator(channel_name, period, limit)

-    if args.json:
+    if json:
        return print_json(list(generator))

-    if args.download:
+    if download:
        return _download_clips(generator)

-    if args.pager:
-        print(args)
-        return _print_paged(generator, args.pager)
+    if pager:
+        return _print_paged(generator, pager)

-    return _print_all(generator, args)
+    return _print_all(generator, all)


 def _continue():
@ -46,6 +57,8 @@ def _target_filename(clip):
    ext = ext.lstrip(".")

    match = re.search(r"^(\d{4})-(\d{2})-(\d{2})T", clip["createdAt"])
+    if not match:
+        raise ValueError(f"Failed parsing date from: {clip['createdAt']}")
    date = "".join(match.groups())

    name = "_".join([
@ -55,7 +68,7 @@ def _target_filename(clip):
        utils.slugify(clip["title"]),
    ])

-    return "{}.{}".format(name, ext)
+    return f"{name}.{ext}"


 def _download_clips(generator):
@ -63,19 +76,19 @@ def _download_clips(generator):
        target = _target_filename(clip)

        if path.exists(target):
-            print_out("Already downloaded: <green>{}</green>".format(target))
+            print_out(f"Already downloaded: <green>{target}</green>")
        else:
            url = get_clip_authenticated_url(clip["slug"], "source")
-            print_out("Downloading: <yellow>{}</yellow>".format(target))
+            print_out(f"Downloading: <yellow>{target}</yellow>")
            download_file(url, target)


-def _print_all(generator, args):
+def _print_all(generator, all: bool):
    for clip in generator:
        print_out()
        print_clip(clip)

-    if not args.all:
+    if not all:
        print_out(
            "\n<dim>There may be more clips. " +
            "Increase the --limit, use --all or --pager to see the rest.</dim>"
@ -100,7 +113,7 @@ def _print_paged(generator, page_size):
        last = first + len(page) - 1

        print_out("-" * 80)
-        print_out("<yellow>Clips {}-{}</yellow>".format(first, last))
+        print_out(f"<yellow>Clips {first}-{last}</yellow>")

        first = first + len(page)
        last = first + 1
--- a/twitchdl/commands/download.py
+++ b/twitchdl/commands/download.py
@ -1,4 +1,5 @@
 import asyncio
+import platform
 import httpx
 import m3u8
 import os
@ -14,11 +15,29 @@ from urllib.parse import urlparse, urlencode

 from twitchdl import twitch, utils
 from twitchdl.download import download_file
+from twitchdl.entities import Data, DownloadOptions
 from twitchdl.exceptions import ConsoleError
 from twitchdl.http import download_all
 from twitchdl.output import print_out


+def download(ids: list[str], args: DownloadOptions):
+    for video_id in ids:
+        download_one(video_id, args)
+
+
+def download_one(video: str, args: DownloadOptions):
+    video_id = utils.parse_video_identifier(video)
+    if video_id:
+        return _download_video(video_id, args)
+
+    clip_slug = utils.parse_clip_identifier(video)
+    if clip_slug:
+        return _download_clip(clip_slug, args)
+
+    raise ConsoleError(f"Invalid input: {video}")
+
+
 def _parse_playlists(playlists_m3u8):
    playlists = m3u8.loads(playlists_m3u8)

@ -43,7 +62,7 @@ def _get_playlist_by_name(playlists, quality):
            return uri

    available = ", ".join([name for (name, _, _) in playlists])
-    msg = "Quality '{}' not found. Available qualities are: {}".format(quality, available)
+    msg = f"Quality '{quality}' not found. Available qualities are: {available}"
    raise ConsoleError(msg)


@ -51,47 +70,60 @@ def _select_playlist_interactive(playlists):
    print_out("\nAvailable qualities:")
    for n, (name, resolution, uri) in enumerate(playlists):
        if resolution:
-            print_out("{}) <b>{}</b> <dim>({})</dim>".format(n + 1, name, resolution))
+            print_out(f"{n + 1}) <b>{name}</b> <dim>({resolution})</dim>")
        else:
-            print_out("{}) <b>{}</b>".format(n + 1, name))
+            print_out(f"{n + 1}) <b>{name}</b>")

    no = utils.read_int("Choose quality", min=1, max=len(playlists) + 1, default=1)
    _, _, uri = playlists[no - 1]
    return uri


-def _join_vods(playlist_path, target, overwrite, video):
+def _join_vods(playlist_path: str, target: str, overwrite: bool, video):
+    description = video["description"] or ""
+    description = description.strip()
+
    command = [
        "ffmpeg",
        "-i", playlist_path,
        "-c", "copy",
-        "-metadata", "artist={}".format(video["creator"]["displayName"]),
-        "-metadata", "title={}".format(video["title"]),
+        "-metadata", f"artist={video['creator']['displayName']}",
+        "-metadata", f"title={video['title']}",
+        "-metadata", f"description={description}",
        "-metadata", "encoded_by=twitch-dl",
        "-stats",
        "-loglevel", "warning",
-        "file:{}".format(target),
+        f"file:{target}",
    ]

    if overwrite:
        command.append("-y")

-    print_out("<dim>{}</dim>".format(" ".join(command)))
+    print_out(f"<dim>{' '.join(command)}</dim>")
    result = subprocess.run(command)
    if result.returncode != 0:
        raise ConsoleError("Joining files failed")

+def _concat_vods(vod_paths: list[str], target: str):
+    tool = "type" if platform.system() == "Windows" else "cat"
+    command = [tool] + vod_paths

-def _video_target_filename(video, args):
+    with open(target, "wb") as target_file:
+        result = subprocess.run(command, stdout=target_file)
+        if result.returncode != 0:
+            raise ConsoleError(f"Joining files failed: {result.stderr}")
+
+
+def get_video_substitutions(video: Data, format: str) -> Data:
    date, time = video['publishedAt'].split("T")
    game = video["game"]["name"] if video["game"] else "Unknown"

-    subs = {
+    return {
        "channel": video["creator"]["displayName"],
        "channel_login": video["creator"]["login"],
        "date": date,
        "datetime": video["publishedAt"],
-        "format": args.format,
+        "format": format,
        "game": game,
        "game_slug": utils.slugify(game),
        "id": video["id"],
@ -100,14 +132,18 @@ def _video_target_filename(video, args):
        "title_slug": utils.slugify(video["title"]),
    }

+
+def _video_target_filename(video: Data, args: DownloadOptions):
+    subs = get_video_substitutions(video, args.format)
+
    try:
        return args.output.format(**subs)
    except KeyError as e:
        supported = ", ".join(subs.keys())
-        raise ConsoleError("Invalid key {} used in --output. Supported keys are: {}".format(e, supported))
+        raise ConsoleError(f"Invalid key {e} used in --output. Supported keys are: {supported}")


-def _clip_target_filename(clip, args):
+def _clip_target_filename(clip, args: DownloadOptions):
    date, time = clip["createdAt"].split("T")
    game = clip["game"]["name"] if clip["game"] else "Unknown"

@ -134,7 +170,7 @@ def _clip_target_filename(clip, args):
        return args.output.format(**subs)
    except KeyError as e:
        supported = ", ".join(subs.keys())
-        raise ConsoleError("Invalid key {} used in --output. Supported keys are: {}".format(e, supported))
+        raise ConsoleError(f"Invalid key {e} used in --output. Supported keys are: {supported}")


 def _get_vod_paths(playlist, start: Optional[int], end: Optional[int]) -> List[str]:
@ -165,23 +201,6 @@ def _crete_temp_dir(base_uri: str) -> str:
    return str(temp_dir)


-def download(args):
-    for video_id in args.videos:
-        download_one(video_id, args)
-
-
-def download_one(video: str, args):
-    video_id = utils.parse_video_identifier(video)
-    if video_id:
-        return _download_video(video_id, args)
-
-    clip_slug = utils.parse_clip_identifier(video)
-    if clip_slug:
-        return _download_clip(clip_slug, args)
-
-    raise ConsoleError("Invalid input: {}".format(video))
-
-
 def _get_clip_url(clip, quality):
    qualities = clip["videoQualities"]

@ -196,13 +215,13 @@ def _get_clip_url(clip, quality):
                return q["sourceURL"]

        available = ", ".join([str(q["quality"]) for q in qualities])
-        msg = "Quality '{}' not found. Available qualities are: {}".format(quality, available)
+        msg = f"Quality '{quality}' not found. Available qualities are: {available}"
        raise ConsoleError(msg)

    # Ask user to select quality
    print_out("\nAvailable qualities:")
    for n, q in enumerate(qualities):
-        print_out("{}) {} [{} fps]".format(n + 1, q["quality"], q["frameRate"]))
+        print_out(f"{n + 1}) {q['quality']} [{q['frameRate']} fps]")
    print_out()

    no = utils.read_int("Choose quality", min=1, max=len(qualities), default=1)
@ -215,7 +234,7 @@ def get_clip_authenticated_url(slug, quality):
    access_token = twitch.get_clip_access_token(slug)

    if not access_token:
-        raise ConsoleError("Access token not found for slug '{}'".format(slug))
+        raise ConsoleError(f"Access token not found for slug '{slug}'")

    url = _get_clip_url(access_token, quality)

@ -224,26 +243,29 @@ def get_clip_authenticated_url(slug, quality):
        "token": access_token["playbackAccessToken"]["value"],
    })

-    return "{}?{}".format(url, query)
+    return f"{url}?{query}"


-def _download_clip(slug: str, args) -> None:
+def _download_clip(slug: str, args: DownloadOptions) -> None:
    print_out("<dim>Looking up clip...</dim>")
    clip = twitch.get_clip(slug)
-    game = clip["game"]["name"] if clip["game"] else "Unknown"

    if not clip:
-        raise ConsoleError("Clip '{}' not found".format(slug))
+        raise ConsoleError(f"Clip '{slug}' not found")

-    print_out("Found: <green>{}</green> by <yellow>{}</yellow>, playing <blue>{}</blue> ({})".format(
-        clip["title"],
-        clip["broadcaster"]["displayName"],
-        game,
-        utils.format_duration(clip["durationSeconds"])
-    ))
+
+    title = clip["title"]
+    user = clip["broadcaster"]["displayName"]
+    game = clip["game"]["name"] if clip["game"] else "Unknown"
+    duration = utils.format_duration(clip["durationSeconds"])
+
+    print_out(
+        f"Found: <green>{title}</green> by <yellow>{user}</yellow>, "+
+        f"playing <blue>{game}</blue> ({duration})"
+    )

    target = _clip_target_filename(clip, args)
-    print_out("Target: <blue>{}</blue>".format(target))
+    print_out(f"Target: <blue>{target}</blue>")

    if not args.overwrite and path.exists(target):
        response = input("File exists. Overwrite? [Y/n]: ")
@ -252,15 +274,17 @@ def _download_clip(slug: str, args) -> None:
        args.overwrite = True

    url = get_clip_authenticated_url(slug, args.quality)
-    print_out("<dim>Selected URL: {}</dim>".format(url))
+    print_out(f"<dim>Selected URL: {url}</dim>")

    print_out("<dim>Downloading clip...</dim>")
-    download_file(url, target)

-    print_out("Downloaded: <blue>{}</blue>".format(target))
+    if (args.dry_run is False):
+        download_file(url, target)
+
+    print_out(f"Downloaded: <blue>{target}</blue>")


-def _download_video(video_id, args) -> None:
+def _download_video(video_id, args: DownloadOptions) -> None:
    if args.start and args.end and args.end <= args.start:
        raise ConsoleError("End time must be greater than start time")

@ -268,13 +292,14 @@ def _download_video(video_id, args) -> None:
    video = twitch.get_video(video_id)

    if not video:
-        raise ConsoleError("Video {} not found".format(video_id))
+        raise ConsoleError(f"Video {video_id} not found")

-    print_out("Found: <blue>{}</blue> by <yellow>{}</yellow>".format(
-        video['title'], video['creator']['displayName']))
+    title = video['title']
+    user = video['creator']['displayName']
+    print_out(f"Found: <blue>{title}</blue> by <yellow>{user}</yellow>")

    target = _video_target_filename(video, args)
-    print_out("Output: <blue>{}</blue>".format(target))
+    print_out(f"Output: <blue>{target}</blue>")

    if not args.overwrite and path.exists(target):
        response = input("File exists. Overwrite? [Y/n]: ")
@ -309,10 +334,9 @@ def _download_video(video_id, args) -> None:
    with open(path.join(target_dir, "playlist.m3u8"), "w") as f:
        f.write(response.text)

-    print_out("\nDownloading {} VODs using {} workers to {}".format(
-        len(vod_paths), args.max_workers, target_dir))
+    print_out(f"\nDownloading {len(vod_paths)} VODs using {args.max_workers} workers to {target_dir}")
    sources = [base_uri + path for path in vod_paths]
-    targets = [os.path.join(target_dir, "{:05d}.ts".format(k)) for k, _ in enumerate(vod_paths)]
+    targets = [os.path.join(target_dir, f"{k:05d}.ts") for k, _ in enumerate(vod_paths)]
    asyncio.run(download_all(sources, targets, args.max_workers, rate_limit=args.rate_limit))

    # Make a modified playlist which references downloaded VODs
@ -329,24 +353,30 @@ def _download_video(video_id, args) -> None:
    playlist_path = path.join(target_dir, "playlist_downloaded.m3u8")
    playlist.dump(playlist_path)

+    print_out("")
+
    if args.no_join:
-        print_out("\n\n<dim>Skipping joining files...</dim>")
-        print_out("VODs downloaded to:\n<blue>{}</blue>".format(target_dir))
+        print_out("<dim>Skipping joining files...</dim>")
+        print_out(f"VODs downloaded to:\n<blue>{target_dir}</blue>")
        return

-    print_out("\n\nJoining files...")
-    _join_vods(playlist_path, target, args.overwrite, video)
+    if args.concat:
+        print_out("<dim>Concating files...</dim>")
+        _concat_vods(targets, target)
+    else:
+        print_out("<dim>Joining files...</dim>")
+        _join_vods(playlist_path, target, args.overwrite, video)

    if args.keep:
-        print_out("\n<dim>Temporary files not deleted: {}</dim>".format(target_dir))
+        print_out(f"\n<dim>Temporary files not deleted: {target_dir}</dim>")
    else:
        print_out("\n<dim>Deleting temporary files...</dim>")
        shutil.rmtree(target_dir)

-    print_out("\nDownloaded: <green>{}</green>".format(target))
+    print_out(f"\nDownloaded: <green>{target}</green>")


-def _determine_time_range(video_id, args):
+def _determine_time_range(video_id, args: DownloadOptions):
    if args.start or args.end:
        return args.start, args.end

--- a/twitchdl/commands/env.py
+++ b/twitchdl/commands/env.py
@ -1,9 +0,0 @@
-import platform
-import sys
-import twitchdl
-
-
-def env(args):
-    print("twitch-dl", twitchdl.__version__)
-    print("Platform:", platform.platform())
-    print("Python", sys.version)
--- a/twitchdl/commands/info.py
+++ b/twitchdl/commands/info.py
@ -1,18 +1,18 @@
 import m3u8

 from twitchdl import utils, twitch
+from twitchdl.commands.download import get_video_substitutions
 from twitchdl.exceptions import ConsoleError
 from twitchdl.output import print_video, print_clip, print_json, print_out, print_log

-
-def info(args):
-    video_id = utils.parse_video_identifier(args.video)
+def info(id: str, *, json: bool = False, format="mkv"):
+    video_id = utils.parse_video_identifier(id)
    if video_id:
        print_log("Fetching video...")
        video = twitch.get_video(video_id)

        if not video:
-            raise ConsoleError("Video {} not found".format(video_id))
+            raise ConsoleError(f"Video {video_id} not found")

        print_log("Fetching access token...")
        access_token = twitch.get_access_token(video_id)
@ -23,26 +23,32 @@ def info(args):
        print_log("Fetching chapters...")
        chapters = twitch.get_video_chapters(video_id)

-        if args.json:
+        substitutions = get_video_substitutions(video, format)
+
+        if json:
            video_json(video, playlists, chapters)
        else:
            video_info(video, playlists, chapters)
+
+            print_out("\nOutput format placeholders:")
+            for k, v in substitutions.items():
+                print(f" * {k} = {v}")
        return

-    clip_slug = utils.parse_clip_identifier(args.video)
+    clip_slug = utils.parse_clip_identifier(id)
    if clip_slug:
        print_log("Fetching clip...")
        clip = twitch.get_clip(clip_slug)
        if not clip:
-            raise ConsoleError("Clip {} not found".format(clip_slug))
+            raise ConsoleError(f"Clip {clip_slug} not found")

-        if args.json:
+        if json:
            print_json(clip)
        else:
            clip_info(clip)
        return

-    raise ConsoleError("Invalid input: {}".format(args.video))
+    raise ConsoleError(f"Invalid input: {id}")


 def video_info(video, playlists, chapters):
@ -52,7 +58,7 @@ def video_info(video, playlists, chapters):
    print_out()
    print_out("Playlists:")
    for p in m3u8.loads(playlists).playlists:
-        print_out("<b>{}</b> {}".format(p.stream_info.video, p.uri))
+        print_out(f"<b>{p.stream_info.video}</b> {p.uri}")

    if chapters:
        print_out()
--- a/twitchdl/commands/videos.py
+++ b/twitchdl/commands/videos.py
@ -5,19 +5,30 @@ from twitchdl.exceptions import ConsoleError
 from twitchdl.output import print_out, print_paged_videos, print_video, print_json, print_video_compact


-def videos(args):
-    game_ids = _get_game_ids(args.game)
+def videos(
+    channel_name: str,
+    *,
+    all: bool,
+    compact: bool,
+    games: list[str],
+    json: bool,
+    limit: int | None,
+    pager: int | None,
+    sort: str,
+    type: str,
+):
+    game_ids = _get_game_ids(games)

    # Set different defaults for limit for compact display
-    limit = args.limit or (40 if args.compact else 10)
+    limit = limit or (40 if compact else 10)

    # Ignore --limit if --pager or --all are given
-    max_videos = sys.maxsize if args.all or args.pager else limit
+    max_videos = sys.maxsize if all or pager else limit

    total_count, generator = twitch.channel_videos_generator(
-        args.channel_name, max_videos, args.sort, args.type, game_ids=game_ids)
+        channel_name, max_videos, sort, type, game_ids=game_ids)

-    if args.json:
+    if json:
        videos = list(generator)
        print_json({
            "count": len(videos),
@ -30,13 +41,13 @@ def videos(args):
        print_out("<yellow>No videos found</yellow>")
        return

-    if args.pager:
-        print_paged_videos(generator, args.pager, total_count)
+    if pager:
+        print_paged_videos(generator, pager, total_count)
        return

    count = 0
    for video in generator:
-        if args.compact:
+        if compact:
            print_video_compact(video)
        else:
            print_out()
@ -45,7 +56,7 @@ def videos(args):

    print_out()
    print_out("-" * 80)
-    print_out("<yellow>Videos {}-{} of {}</yellow>".format(1, count, total_count))
+    print_out(f"<yellow>Videos 1-{count} of {total_count}</yellow>")

    if total_count > count:
        print_out()
@ -60,10 +71,10 @@ def _get_game_ids(names):

    game_ids = []
    for name in names:
-        print_out("<dim>Looking up game '{}'...</dim>".format(name))
+        print_out(f"<dim>Looking up game '{name}'...</dim>")
        game_id = twitch.get_game_id(name)
        if not game_id:
-            raise ConsoleError("Game '{}' not found".format(name))
+            raise ConsoleError(f"Game '{name}' not found")
        game_ids.append(int(game_id))

    return game_ids
--- a/twitchdl/console.py
+++ b/twitchdl/console.py
@ -1,332 +0,0 @@
-# -*- coding: utf-8 -*-
-
-import logging
-import sys
-import re
-
-from argparse import ArgumentParser, ArgumentTypeError
-from typing import NamedTuple, List, Tuple, Any, Dict
-
-from twitchdl.exceptions import ConsoleError
-from twitchdl.output import print_err
-from twitchdl.twitch import GQLError
-from . import commands, __version__
-
-
-Argument = Tuple[List[str], Dict[str, Any]]
-
-
-class Command(NamedTuple):
-    name: str
-    description: str
-    arguments: List[Argument]
-
-
-CLIENT_WEBSITE = "https://twitch-dl.bezdomni.net/"
-
-
-def time(value: str) -> int:
-    """Parse a time string (hh:mm or hh:mm:ss) to number of seconds."""
-    parts = [int(p) for p in value.split(":")]
-
-    if not 2 <= len(parts) <= 3:
-        raise ArgumentTypeError()
-
-    hours = parts[0]
-    minutes = parts[1]
-    seconds = parts[2] if len(parts) > 2 else 0
-
-    if hours < 0 or not (0 <= minutes <= 59) or not (0 <= seconds <= 59):
-        raise ArgumentTypeError()
-
-    return hours * 3600 + minutes * 60 + seconds
-
-
-def pos_integer(value: str) -> int:
-    try:
-        parsed = int(value)
-    except ValueError:
-        raise ArgumentTypeError("must be an integer")
-
-    if parsed < 1:
-        raise ArgumentTypeError("must be positive")
-
-    return parsed
-
-
-def rate(value: str) -> int:
-    match = re.search(r"^([0-9]+)(k|m|)$", value, flags=re.IGNORECASE)
-
-    if not match:
-        raise ArgumentTypeError("must be an integer, followed by an optional 'k' or 'm'")
-
-    amount = int(match.group(1))
-    unit = match.group(2)
-
-    if unit == "k":
-        return amount * 1024
-
-    if unit == "m":
-        return amount * 1024 * 1024
-
-    return amount
-
-
-COMMANDS = [
-    Command(
-        name="videos",
-        description="List videos for a channel.",
-        arguments=[
-            (["channel_name"], {
-                "help": "Name of the channel to list videos for.",
-                "type": str,
-            }),
-            (["-g", "--game"], {
-                "help": "Show videos of given game (can be given multiple times)",
-                "action": "append",
-                "type": str,
-            }),
-            (["-l", "--limit"], {
-                "help": "Number of videos to fetch. Defaults to 40 in copmpact mode, 10 otherwise.",
-                "type": pos_integer,
-            }),
-            (["-a", "--all"], {
-                "help": "Fetch all videos, overrides --limit",
-                "action": "store_true",
-                "default": False,
-            }),
-            (["-s", "--sort"], {
-                "help": "Sorting order of videos. Defaults to `time`.",
-                "type": str,
-                "choices": ["views", "time"],
-                "default": "time",
-            }),
-            (["-t", "--type"], {
-                "help": "Broadcast type. Defaults to `archive`.",
-                "type": str,
-                "choices": ["archive", "highlight", "upload"],
-                "default": "archive",
-            }),
-            (["-j", "--json"], {
-                "help": "Show results as JSON. Ignores `--pager`.",
-                "action": "store_true",
-                "default": False,
-            }),
-            (["-p", "--pager"], {
-                "help": "Print videos in pages. Ignores `--limit`. Defaults to 10.",
-                "type": pos_integer,
-                "nargs": "?",
-                "const": 10,
-            }),
-            (["-c", "--compact"], {
-                "help": "Show videos in compact mode, one line per video",
-                "action": "store_true",
-                "default": False,
-            }),
-        ],
-    ),
-    Command(
-        name="clips",
-        description="List or download clips for a channel.",
-        arguments=[
-            (["channel_name"], {
-                "help": "Name of the channel to list clips for.",
-                "type": str,
-            }),
-            (["-l", "--limit"], {
-                "help": "Number of videos to fetch (default 10, max 100)",
-                "type": pos_integer,
-                "default": 10,
-            }),
-            (["-a", "--all"], {
-                "help": "Fetch all videos, overrides --limit",
-                "action": "store_true",
-                "default": False,
-            }),
-            (["-P", "--period"], {
-                "help": "Period from which to return clips. Defaults to `all_time`.",
-                "type": str,
-                "choices": ["last_day", "last_week", "last_month", "all_time"],
-                "default": "all_time",
-            }),
-            (["-j", "--json"], {
-                "help": "Show results as JSON. Ignores `--pager`.",
-                "action": "store_true",
-                "default": False,
-            }),
-            (["-p", "--pager"], {
-                "help": "Number of clips to show per page. Disabled by default.",
-                "type": pos_integer,
-                "nargs": "?",
-                "const": 10,
-            }),
-            (["-d", "--download"], {
-                "help": "Download all videos in given period (in source quality)",
-                "action": "store_true",
-                "default": False,
-            }),
-        ],
-    ),
-    Command(
-        name="download",
-        description="Download videos or clips.",
-        arguments=[
-            (["videos"], {
-                "help": "One or more video ID, clip slug or twitch URL to download.",
-                "type": str,
-                "nargs": "+",
-            }),
-            (["-w", "--max-workers"], {
-                "help": "Number of workers for downloading vods concurrently (default 5)",
-                "type": int,
-                "default": 5,
-            }),
-            (["-s", "--start"], {
-                "help": "Download video from this time (hh:mm or hh:mm:ss)",
-                "type": time,
-                "default": None,
-            }),
-            (["-e", "--end"], {
-                "help": "Download video up to this time (hh:mm or hh:mm:ss)",
-                "type": time,
-                "default": None,
-            }),
-            (["-f", "--format"], {
-                "help": "Video format to convert into, passed to ffmpeg as the "
-                        "target file extension. Defaults to `mkv`.",
-                "type": str,
-                "default": "mkv",
-            }),
-            (["-k", "--keep"], {
-                "help": "Don't delete downloaded VODs and playlists after merging.",
-                "action": "store_true",
-                "default": False,
-            }),
-            (["-q", "--quality"], {
-                "help": "Video quality, e.g. 720p. Set to 'source' to get best quality.",
-                "type": str,
-            }),
-            (["-a", "--auth-token"], {
-                "help": "Authentication token, passed to Twitch to access subscriber only "
-                        "VODs. Can be copied from the 'auth_token' cookie in any browser "
-                        "logged in on Twitch.",
-                "type": str,
-                "default": None,
-            }),
-            (["--no-join"], {
-                "help": "Don't run ffmpeg to join the downloaded vods, implies --keep.",
-                "action": "store_true",
-                "default": False,
-            }),
-            (["--overwrite"], {
-                "help": "Overwrite the target file if it already exists without prompting.",
-                "action": "store_true",
-                "default": False,
-            }),
-            (["-o", "--output"], {
-                "help": "Output file name template. See docs for details.",
-                "type": str,
-                "default": "{date}_{id}_{channel_login}_{title_slug}.{format}"
-            }),
-            (["-r", "--rate-limit"], {
-                "help": "Limit the maximum download speed in bytes per second. "
-                        "Use 'k' and 'm' suffixes for kbps and mbps.",
-                "type": rate,
-            }),
-            (["-c", "--chapter"], {
-                "help": "Download a single chapter of the video. Specify the chapter number or "
-                        "use the flag without a number to display a chapter select prompt.",
-                "type": int,
-                "nargs": "?",
-                "const": 0
-            }),
-        ],
-    ),
-    Command(
-        name="info",
-        description="Print information for a given Twitch URL, video ID or clip slug.",
-        arguments=[
-            (["video"], {
-                "help": "Video ID, clip slug, or URL",
-                "type": str,
-            }),
-            (["-j", "--json"], {
-                "help": "Show results as JSON",
-                "action": "store_true",
-                "default": False,
-            }),
-        ],
-    ),
-    Command(
-        name="env",
-        description="Print environment information for inclusion in bug reports.",
-        arguments=[],
-    )
-]
-
-COMMON_ARGUMENTS = [
-    (["--debug"], {
-        "help": "show debug log in console",
-        "action": 'store_true',
-        "default": False,
-    }),
-    (["--no-color"], {
-        "help": "disable ANSI colors in output",
-        "action": 'store_true',
-        "default": False,
-    })
-]
-
-
-def get_parser():
-    description = "A script for downloading videos from Twitch"
-
-    parser = ArgumentParser(prog='twitch-dl', description=description, epilog=CLIENT_WEBSITE)
-    parser.add_argument("--version", help="show version number", action='store_true')
-
-    subparsers = parser.add_subparsers(title="commands")
-
-    for command in COMMANDS:
-        sub = subparsers.add_parser(
-            command.name,
-            description=command.description,
-            epilog=CLIENT_WEBSITE
-        )
-
-        # Set the function to call to the function of same name in the "commands" package
-        sub.set_defaults(func=commands.__dict__.get(command.name))
-
-        for args, kwargs in command.arguments + COMMON_ARGUMENTS:
-            sub.add_argument(*args, **kwargs)
-
-    return parser
-
-
-def main():
-    parser = get_parser()
-    args = parser.parse_args()
-
-    if "--debug" in sys.argv:
-        logging.basicConfig(level=logging.DEBUG)
-
-    if args.version:
-        print("twitch-dl v{}".format(__version__))
-        return
-
-    if "func" not in args:
-        parser.print_help()
-        return
-
-    try:
-        args.func(args)
-    except ConsoleError as e:
-        print_err(e)
-        sys.exit(1)
-    except KeyboardInterrupt:
-        print_err("\nOperation canceled")
-        sys.exit(1)
-    except GQLError as e:
-        print_err(e)
-        for err in e.errors:
-            print_err("*", err["message"])
-        sys.exit(1)
--- a/twitchdl/download.py
+++ b/twitchdl/download.py
@ -1,15 +1,13 @@
 import os
 import httpx

+from twitchdl.exceptions import ConsoleError
+
 CHUNK_SIZE = 1024
 CONNECT_TIMEOUT = 5
 RETRY_COUNT = 5


-class DownloadFailed(Exception):
-    pass
-
-
 def _download(url: str, path: str):
    tmp_path = path + ".tmp"
    size = 0
@ -35,4 +33,4 @@ def download_file(url: str, path: str, retries: int = RETRY_COUNT):
        except httpx.RequestError:
            pass

-    raise DownloadFailed(":(")
+    raise ConsoleError(f"Failed downloading after {retries} attempts: {url}")
--- a/twitchdl/entities.py
+++ b/twitchdl/entities.py
@ -0,0 +1,25 @@
+from dataclasses import dataclass
+from typing import Any
+
+
+@dataclass
+class DownloadOptions:
+    auth_token: str | None
+    chapter: int | None
+    concat: bool
+    dry_run: bool
+    end: int | None
+    format: str
+    keep: bool
+    no_join: bool
+    overwrite: bool
+    output: str
+    quality: str | None
+    rate_limit: str | None
+    start: int | None
+    max_workers: int
+
+
+# Type for annotating decoded JSON
+# TODO: make data classes for common structs
+Data = dict[str, Any]
--- a/twitchdl/exceptions.py
+++ b/twitchdl/exceptions.py
@ -1,4 +1,5 @@
+import click

-class ConsoleError(Exception):
+class ConsoleError(click.ClickException):
    """Raised when an error occurs and script exectuion should halt."""
    pass
--- a/twitchdl/http.py
+++ b/twitchdl/http.py
@ -4,7 +4,8 @@ import logging
 import os
 import time

-from typing import List, Optional, Union
+from abc import ABC, abstractmethod
+from typing import List, Optional

 from twitchdl.progress import Progress

@ -25,7 +26,13 @@ https://www.python-httpx.org/advanced/#timeout-configuration
 """


-class TokenBucket:
+class TokenBucket(ABC):
+    @abstractmethod
+    def advance(self, size: int):
+        pass
+
+
+class LimitingTokenBucket(TokenBucket):
    """Limit the download speed by strategically inserting sleeps."""

    def __init__(self, rate: int, capacity: Optional[int] = None):
@ -53,22 +60,19 @@ class TokenBucket:
        self.last_refilled = now


-class EndlessTokenBucket:
+class EndlessTokenBucket(TokenBucket):
    """Used when download speed is not limited."""
    def advance(self, size: int):
        pass


-AnyTokenBucket = Union[TokenBucket, EndlessTokenBucket]
-
-
 async def download(
    client: httpx.AsyncClient,
    task_id: int,
    source: str,
    target: str,
    progress: Progress,
-    token_bucket: AnyTokenBucket,
+    token_bucket: TokenBucket,
 ):
    # Download to a temp file first, then copy to target when over to avoid
    # getting saving chunks which may persist if canceled or --keep is used
@ -93,7 +97,7 @@ async def download_with_retries(
    source: str,
    target: str,
    progress: Progress,
-    token_bucket: AnyTokenBucket,
+    token_bucket: TokenBucket,
 ):
    async with semaphore:
        if os.path.exists(target):
@ -121,7 +125,7 @@ async def download_all(
    rate_limit: Optional[int] = None
 ):
    progress = Progress(len(sources))
-    token_bucket = TokenBucket(rate_limit) if rate_limit else EndlessTokenBucket()
+    token_bucket = LimitingTokenBucket(rate_limit) if rate_limit else EndlessTokenBucket()
    async with httpx.AsyncClient(timeout=TIMEOUT) as client:
        semaphore = asyncio.Semaphore(workers)
        tasks = [download_with_retries(client, semaphore, task_id, source, target, progress, token_bucket)
--- a/twitchdl/output.py
+++ b/twitchdl/output.py
@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 import json
 import sys
 import re
@ -66,13 +64,13 @@ def print_json(data: Any):


 def print_err(*args, **kwargs):
-    args = ["<red>{}</red>".format(a) for a in args]
+    args = [f"<red>{arg}</red>" for arg in args]
    args = [colorize(a) if USE_ANSI_COLOR else strip_tags(a) for a in args]
    print(*args, file=sys.stderr, **kwargs)


 def print_log(*args, **kwargs):
-    args = ["<dim>{}</dim>".format(a) for a in args]
+    args = [f"<dim>{a}</dim>" for a in args]
    args = [colorize(a) if USE_ANSI_COLOR else strip_tags(a) for a in args]
    print(*args, file=sys.stderr, **kwargs)

@ -81,20 +79,23 @@ def print_video(video):
    published_at = video["publishedAt"].replace("T", " @ ").replace("Z", "")
    length = utils.format_duration(video["lengthSeconds"])

-    channel = "<blue>{}</blue>".format(video["creator"]["displayName"]) if video["creator"] else ""
-    playing = "playing <blue>{}</blue>".format(video["game"]["name"]) if video["game"] else ""
+    channel = f"<blue>{video['creator']['displayName']}</blue>" if video["creator"] else ""
+    playing = f"playing <blue>{video['game']['name']}</blue>" if video["game"] else ""

    # Can't find URL in video object, strange
-    url = "https://www.twitch.tv/videos/{}".format(video["id"])
+    url = f"https://www.twitch.tv/videos/{video['id']}"

-    print_out("<b>Video {}</b>".format(video["id"]))
-    print_out("<green>{}</green>".format(video["title"]))
+    print_out(f"<b>Video {video['id']}</b>")
+    print_out(f"<green>{video['title']}</green>")

    if channel or playing:
        print_out(" ".join([channel, playing]))

-    print_out("Published <blue>{}</blue>  Length: <blue>{}</blue> ".format(published_at, length))
-    print_out("<i>{}</i>".format(url))
+    if video["description"]:
+        print_out(f"Description: {video['description']}")
+
+    print_out(f"Published <blue>{published_at}</blue>  Length: <blue>{length}</blue> ")
+    print_out(f"<i>{url}</i>")


 def print_video_compact(video):
@ -123,7 +124,7 @@ def print_paged_videos(generator, page_size, total_count):
        last = first + len(page) - 1

        print_out("-" * 80)
-        print_out("<yellow>Videos {}-{} of {}</yellow>".format(first, last, total_count))
+        print_out(f"<yellow>Videos {first}-{last} of {total_count}</yellow>")

        first = first + len(page)
        last = first + 1
@ -138,18 +139,19 @@ def print_clip(clip):
    length = utils.format_duration(clip["durationSeconds"])
    channel = clip["broadcaster"]["displayName"]
    playing = (
-        "playing <blue>{}</blue>".format(clip["game"]["name"])
+        f"playing <blue>{clip['game']['name']}</blue>"
        if clip["game"] else ""
    )

-    print_out("Clip <b>{}</b>".format(clip["slug"]))
-    print_out("<green>{}</green>".format(clip["title"]))
-    print_out("<blue>{}</blue> {}".format(channel, playing))
+    print_out(f"Clip <b>{clip['slug']}</b>")
+    print_out(f"<green>{clip['title']}</green>")
+    print_out(f"<blue>{channel}</blue> {playing}")
    print_out(
-        "Published <blue>{}</blue>"
-        "  Length: <blue>{}</blue>"
-        "  Views: <blue>{}</blue>".format(published_at, length, clip["viewCount"]))
-    print_out("<i>{}</i>".format(clip["url"]))
+        f"Published <blue>{published_at}</blue>" +
+        f"  Length: <blue>{length}</blue>" +
+        f"  Views: <blue>{clip["viewCount"]}</blue>"
+    )
+    print_out(f"<i>{clip['url']}</i>")


 def _continue():
--- a/twitchdl/progress.py
+++ b/twitchdl/progress.py
@ -21,7 +21,7 @@ class Task:
    size: int
    downloaded: int = 0

-    def advance(self, size):
+    def advance(self, size: int):
        self.downloaded += size


--- a/twitchdl/twitch.py
+++ b/twitchdl/twitch.py
@ -4,16 +4,19 @@ Twitch API access.

 import httpx
 import json
+import click

 from typing import Dict
 from twitchdl import CLIENT_ID
 from twitchdl.exceptions import ConsoleError


-class GQLError(Exception):
-    def __init__(self, errors):
-        super().__init__("GraphQL query failed")
-        self.errors = errors
+class GQLError(click.ClickException):
+    def __init__(self, errors: list[str]):
+        message = "GraphQL query failed."
+        for error in errors:
+            message += f"\n* {error}"
+        super().__init__(message)


 def authenticated_post(url, data=None, json=None, headers={}):
@ -29,29 +32,31 @@ def authenticated_post(url, data=None, json=None, headers={}):
    return response


-def gql_post(query):
+def gql_post(query: str):
    url = "https://gql.twitch.tv/gql"
-    response = authenticated_post(url, data=query).json()
-
-    if "errors" in response:
-        raise GQLError(response["errors"])
-
-    return response
+    response = authenticated_post(url, data=query)
+    gql_raise_on_error(response)
+    return response.json()


 def gql_query(query: str, headers: Dict[str, str] = {}):
    url = "https://gql.twitch.tv/gql"
-    response = authenticated_post(url, json={"query": query}, headers=headers).json()
+    response = authenticated_post(url, json={"query": query}, headers=headers)
+    gql_raise_on_error(response)
+    return response.json()

-    if "errors" in response:
-        raise GQLError(response["errors"])

-    return response
+def gql_raise_on_error(response: httpx.Response):
+    data = response.json()
+    if "errors" in data:
+        errors = [e["message"] for e in data["errors"]]
+        raise GQLError(errors)


 VIDEO_FIELDS = """
    id
    title
+    description
    publishedAt
    broadcastType
    lengthSeconds
@ -89,36 +94,34 @@ CLIP_FIELDS = """
 """


-def get_video(video_id):
-    query = """
+def get_video(video_id: str):
+    query = f"""
    {{
        video(id: "{video_id}") {{
-            {fields}
+            {VIDEO_FIELDS}
        }}
    }}
    """

-    query = query.format(video_id=video_id, fields=VIDEO_FIELDS)
-
    response = gql_query(query)
    return response["data"]["video"]


-def get_clip(slug):
-    query = """
+def get_clip(slug: str):
+    query = f"""
    {{
-        clip(slug: "{}") {{
-            {fields}
+        clip(slug: "{slug}") {{
+            {CLIP_FIELDS}
        }}
    }}
    """

-    response = gql_query(query.format(slug, fields=CLIP_FIELDS))
+    response = gql_query(query)
    return response["data"]["clip"]


-def get_clip_access_token(slug):
-    query = """
+def get_clip_access_token(slug: str):
+    query = f"""
    {{
        "operationName": "VideoAccessToken_Clip",
        "variables": {{
@ -133,11 +136,11 @@ def get_clip_access_token(slug):
    }}
    """

-    response = gql_post(query.format(slug=slug).strip())
+    response = gql_post(query.strip())
    return response["data"]["clip"]


-def get_channel_clips(channel_id, period, limit, after=None):
+def get_channel_clips(channel_id: str, period: str, limit: int, after: str | None= None):
    """
    List channel clips.

@ -147,10 +150,10 @@ def get_channel_clips(channel_id, period, limit, after=None):
    * sorting by VIEWS_DESC and TRENDING returns the same results
    * there is no totalCount
    """
-    query = """
+    query = f"""
    {{
      user(login: "{channel_id}") {{
-        clips(first: {limit}, after: "{after}", criteria: {{ period: {period}, sort: VIEWS_DESC }}) {{
+        clips(first: {limit}, after: "{after or ''}", criteria: {{ period: {period.upper()}, sort: VIEWS_DESC }}) {{
          pageInfo {{
            hasNextPage
            hasPreviousPage
@ -158,7 +161,7 @@ def get_channel_clips(channel_id, period, limit, after=None):
          edges {{
            cursor
            node {{
-              {fields}
+              {CLIP_FIELDS}
            }}
          }}
        }}
@ -166,18 +169,10 @@ def get_channel_clips(channel_id, period, limit, after=None):
    }}
    """

-    query = query.format(
-        channel_id=channel_id,
-        after=after if after else "",
-        limit=limit,
-        period=period.upper(),
-        fields=CLIP_FIELDS
-    )
-
    response = gql_query(query)
    user = response["data"]["user"]
    if not user:
-        raise ConsoleError("Channel {} not found".format(channel_id))
+        raise ConsoleError(f"Channel {channel_id} not found")

    return response["data"]["user"]["clips"]

@ -222,15 +217,24 @@ def channel_clips_generator_old(channel_id, period, limit):
            break


-def get_channel_videos(channel_id, limit, sort, type="archive", game_ids=[], after=None):
-    query = """
+def get_channel_videos(
+    channel_id: str,
+    limit: int,
+    sort: str,
+    type: str = "archive",
+    game_ids: list[str] | None = None,
+    after: str | None = None
+):
+    game_ids = game_ids or []
+
+    query = f"""
    {{
        user(login: "{channel_id}") {{
            videos(
                first: {limit},
-                type: {type},
-                sort: {sort},
-                after: "{after}",
+                type: {type.upper()},
+                sort: {sort.upper()},
+                after: "{after or ''}",
                options: {{
                    gameIDs: {game_ids}
                }}
@ -242,7 +246,7 @@ def get_channel_videos(channel_id, limit, sort, type="archive", game_ids=[], aft
                edges {{
                    cursor
                    node {{
-                        {fields}
+                        {VIDEO_FIELDS}
                    }}
                }}
            }}
@ -250,20 +254,10 @@ def get_channel_videos(channel_id, limit, sort, type="archive", game_ids=[], aft
    }}
    """

-    query = query.format(
-        channel_id=channel_id,
-        game_ids=game_ids,
-        after=after if after else "",
-        limit=limit,
-        sort=sort.upper(),
-        type=type.upper(),
-        fields=VIDEO_FIELDS
-    )
-
    response = gql_query(query)

    if not response["data"]["user"]:
-        raise ConsoleError("Channel {} not found".format(channel_id))
+        raise ConsoleError(f"Channel {channel_id} not found")

    return response["data"]["user"]["videos"]

@ -291,7 +285,7 @@ def channel_videos_generator(channel_id, max_videos, sort, type, game_ids=[]):


 def get_access_token(video_id, auth_token=None):
-    query = """
+    query = f"""
    {{
        videoPlaybackAccessToken(
            id: {video_id},
@ -307,8 +301,6 @@ def get_access_token(video_id, auth_token=None):
    }}
    """

-    query = query.format(video_id=video_id)
-
    headers = {}
    if auth_token is not None:
        headers['authorization'] = f'OAuth {auth_token}'
@ -335,7 +327,7 @@ def get_playlists(video_id, access_token):
    """
    For a given video return a playlist which contains possible video qualities.
    """
-    url = "http://usher.twitch.tv/vod/{}".format(video_id)
+    url = f"https://usher.ttvnw.net/vod/{video_id}"

    response = httpx.get(url, params={
        "nauth": access_token['value'],
@ -349,21 +341,21 @@ def get_playlists(video_id, access_token):


 def get_game_id(name):
-    query = """
+    query = f"""
    {{
-        game(name: "{}") {{
+        game(name: "{name.strip()}") {{
            id
        }}
    }}
    """

-    response = gql_query(query.format(name.strip()))
+    response = gql_query(query)
    game = response["data"]["game"]
    if game:
        return game["id"]


-def get_video_chapters(video_id):
+def get_video_chapters(video_id: str):
    query = {
        "operationName": "VideoPlayer_ChapterSelectButtonVideo",
        "variables":
--- a/twitchdl/utils.py
+++ b/twitchdl/utils.py
@ -2,14 +2,14 @@ import re
 import unicodedata


-def _format_size(value, digits, unit):
+def _format_size(value: float, digits: int, unit: str):
    if digits > 0:
-        return "{{:.{}f}}{}".format(digits, unit).format(value)
+        return f"{{:.{digits}f}}{unit}".format(value)
    else:
-        return "{{:d}}{}".format(unit).format(value)
+        return f"{int(value)}{unit}"


-def format_size(bytes_, digits=1):
+def format_size(bytes_: int, digits: int = 1):
    if bytes_ < 1024:
        return _format_size(bytes_, digits, "B")

@ -24,7 +24,7 @@ def format_size(bytes_, digits=1):
    return _format_size(mega / 1024, digits, "GB")


-def format_duration(total_seconds):
+def format_duration(total_seconds: int | float) -> str:
    total_seconds = int(total_seconds)
    hours = total_seconds // 3600
    remainder = total_seconds % 3600
@ -32,15 +32,15 @@ def format_duration(total_seconds):
    seconds = total_seconds % 60

    if hours:
-        return "{} h {} min".format(hours, minutes)
+        return f"{hours} h {minutes} min"

    if minutes:
-        return "{} min {} sec".format(minutes, seconds)
+        return f"{minutes} min {seconds} sec"

-    return "{} sec".format(seconds)
+    return f"{seconds} sec"


-def format_time(total_seconds, force_hours=False):
+def format_time(total_seconds: int | float, force_hours: bool = False) -> str:
    total_seconds = int(total_seconds)
    hours = total_seconds // 3600
    remainder = total_seconds % 3600
@ -53,7 +53,7 @@ def format_time(total_seconds, force_hours=False):
    return f"{minutes:02}:{seconds:02}"


-def read_int(msg, min, max, default=None):
+def read_int(msg: str, min: int, max: int, default: int | None = None) -> int:
    if default:
        msg = msg + f" [default {default}]"

@ -70,14 +70,14 @@ def read_int(msg, min, max, default=None):
            pass


-def slugify(value):
+def slugify(value: str) -> str:
    value = unicodedata.normalize('NFKC', str(value))
    value = re.sub(r'[^\w\s_-]', '', value)
    value = re.sub(r'[\s_-]+', '_', value)
    return value.strip("_").lower()


-def titlify(value):
+def titlify(value: str) -> str:
    value = unicodedata.normalize('NFKC', str(value))
    value = re.sub(r'[^\w\s\[\]().-]', '', value)
    value = re.sub(r'\s+', ' ', value)
@ -96,7 +96,7 @@ CLIP_PATTERNS = [
 ]


-def parse_video_identifier(identifier):
+def parse_video_identifier(identifier: str) -> str | None:
    """Given a video ID or URL returns the video ID, or null if not matched"""
    for pattern in VIDEO_PATTERNS:
        match = re.match(pattern, identifier)
@ -104,7 +104,7 @@ def parse_video_identifier(identifier):
            return match.group("id")


-def parse_clip_identifier(identifier):
+def parse_clip_identifier(identifier: str) -> str | None:
    """Given a clip slug or URL returns the clip slug, or null if not matched"""
    for pattern in CLIP_PATTERNS:
        match = re.match(pattern, identifier)
Author	SHA1	Message	Date
Ivan Habunek	a21e965e04	wip	2024-03-29 09:58:36 +01:00
Ivan Habunek	1c1e5955b8	Add video description to metadata	2024-03-29 09:45:04 +01:00
Ivan Habunek	8a097f5f93	Update docs and changelog	2024-03-29 08:49:35 +01:00
Ivan Habunek	7cc67133f5	Add download --concat option	2024-03-29 08:43:32 +01:00
Ivan Habunek	e228971f66	Remove requirements-dev.txt, included in pyproject	2024-03-29 08:43:32 +01:00
Ivan Habunek	96526c2ca5	Display exception errors in console	2024-03-29 08:43:32 +01:00
Ivan Habunek	9bf0f1b425	Use fstrings where possible	2024-03-29 08:43:31 +01:00
Ivan Habunek	77e75b5dad	Improve types	2024-03-29 08:43:31 +01:00
Ivan Habunek	cf1693b500	Fix env command	2024-03-29 08:43:31 +01:00
Ivan Habunek	52a7191d1f	Add docs and changelog	2024-03-29 08:43:31 +01:00
Ivan Habunek	24eb163d98	Regenerate docs	2024-03-29 08:43:30 +01:00
Ivan Habunek	13b063cbc6	Use backquotes to get code blocks in markdown	2024-03-29 08:43:30 +01:00
Ivan Habunek	43a4a6c4f5	Rework the docs script to work with click	2024-03-29 08:43:30 +01:00
Ivan Habunek	b0c21ac436	Convert to click	2024-03-29 08:43:30 +01:00
Ivan Habunek	229a849f87	Add dependency on click	2024-03-25 09:10:36 +01:00
Ivan Habunek	5589f33142	Add vermin config file	2024-03-25 09:10:36 +01:00
Ivan Habunek	40d52891f8	Don't hardcode version number	2024-03-23 08:55:56 +01:00
Ivan Habunek	c727d65694	Require python 3.8	2024-03-23 08:55:38 +01:00
Ivan Habunek	8592c41a50	Use an abstract base class for TokenBucket	2024-03-23 07:56:50 +01:00
Ivan Habunek	a9aefa871d	Migrate to pyproject.toml	2024-03-23 07:31:40 +01:00
Ryabin Sergey	65bf6a2b99	Add --dry-run option	2024-03-14 15:36:28 +01:00
Ivan Habunek	9685ea6a36	Add setuptools as dev dependency	2024-01-06 19:48:41 +01:00
Ivan Habunek	73757b557e	Bump version, add changelog	2024-01-06 19:43:48 +01:00
Dean Perry	ddead05712	update http to https	2024-01-06 19:40:06 +01:00
Ivan Habunek	bcb55be7ad	Bump version	2023-05-07 11:50:17 +02:00
Ivan Habunek	a4bdb90faa	Update changelog	2023-05-07 11:49:53 +02:00
Matt White	8db7dd7b8a	Updated client id updated client id to test downloading based on solution here: https://github.com/xenova/chat-downloader/issues/207	2023-05-07 11:45:43 +02:00
Ivan Habunek	5a43a4388c	Bump version, add changelog	2023-04-18 07:09:18 +02:00
Adam Sandström	6f461d889c	Update get playlists endpoint URL	2023-04-18 07:05:01 +02:00