Add paging to videos command

CHANGELOG.md

@@ -7,6 +7,7 @@ Twitch Downloader change log
 * Fix videos command (#18)
 * **Breaking**: `videos` command no longer takes the `--offset` parameter due to
   API changes
+* Add paging to `videos` command to replace offset
 
 1.7.0 (2020-04-25)
 ------------------

twitchdl/commands.py

@@ -16,23 +16,44 @@ from twitchdl.exceptions import ConsoleError
 from twitchdl.output import print_out, print_video
 
 
+def _continue():
+    print_out(
+        "\nThere are more videos. "
+        "Press <green><b>Enter</green> to continue, "
+        "<yellow><b>Ctrl+C</yellow> to break."
+    )
+
+    try:
+        input()
+    except KeyboardInterrupt:
+        return False
+
+    return True
+
 def videos(channel_name, limit, sort, type, **kwargs):
     print_out("Loading videos...")
-    videos = twitch.get_channel_videos(channel_name, limit, sort, type)
-    count = len(videos["edges"])
-    total = videos["totalCount"]
+    generator = twitch.channel_videos_generator(channel_name, limit, sort, type)
 
-    if not count:
-        print_out("No videos found")
-        return
-
-    # TODO: paging
     first = 1
-    last = count
-    print_out("<yellow>Showing videos {}-{} of {}</yellow>".format(first, last, total))
 
-    for video in videos["edges"]:
-        print_video(video["node"])
+    for videos, has_more in generator:
+        if "edges" not in videos:
+            break
+
+        count = len(videos["edges"]) if "edges" in videos else 0
+        total = videos["totalCount"]
+        last = first + count - 1
+
+        print_out("-" * 80)
+        print_out("<yellow>Showing videos {}-{} of {}</yellow>".format(first, last, total))
+
+        for video in videos["edges"]:
+            print_video(video["node"])
+
+        if not has_more or not _continue():
+            break
+
+        first += count
 
 
 def _select_quality(playlists):

twitchdl/output.py

@@ -7,7 +7,7 @@ from twitchdl import utils
 
 
 START_CODES = {
-    'bold': '\033[1m',
+    'b': '\033[1m',
     'i': '\033[3m',
     'u': '\033[4m',
     'red': '\033[91m',
@@ -65,7 +65,7 @@ def print_video(video):
     # Can't find URL in video object, strange
     url = "https://twitch.tv/{}".format(video["id"])
 
-    print_out("\n<bold>{}</bold>".format(video["id"]))
+    print_out("\n<b>{}</b>".format(video["id"]))
     print_out("<green>{}</green>".format(video["title"]))
     print_out("<cyan>{}</cyan> playing <cyan>{}</cyan>".format(channel, game))
     print_out("Published <cyan>{}</cyan>  Length: <cyan>{}</cyan> ".format(published_at, length))

twitchdl/twitch.py

@@ -81,13 +81,13 @@ def get_clip(slug):
     return data["data"]["clip"]
 
 
-def get_channel_videos(channel_id, limit, sort, type="archive"):
+def get_channel_videos(channel_id, limit, sort, type="archive", after=None):
     url = "https://gql.twitch.tv/gql"
 
     query = """
     {{
       user(login: "{channel_id}") {{
-        videos(options: {{ }}, first: {limit}, type: {type}, sort: {sort}, after: "opaqueCursor") {{
+        videos(options: {{ }}, first: {limit}, type: {type}, sort: {sort}, after: "{after}") {{
           totalCount
           edges {{
             cursor
@@ -114,15 +114,28 @@ def get_channel_videos(channel_id, limit, sort, type="archive"):
 
     query = query.format(**{
         "channel_id": channel_id,
+        "after": after,
         "limit": limit,
-        "type": type.upper(),
         "sort": sort.upper(),
+        "type": type.upper(),
     })
 
     response = authenticated_post(url, json={"query": query}).json()
     return response["data"]["user"]["videos"]
 
 
+def channel_videos_generator(channel_id, limit, sort, type):
+    cursor = None
+    while True:
+        videos = get_channel_videos(channel_id, limit, sort, type, after=cursor)
+        cursor = videos["edges"][-1]["cursor"]
+
+        yield videos, cursor is not None
+
+        if not cursor:
+            break
+
+
 def get_access_token(video_id):
     url = "https://api.twitch.tv/api/vods/{}/access_token".format(video_id)