twitch-dl/twitchdl/utils.py
2021-01-14 22:14:52 +01:00

92 lines
2.3 KiB
Python

import re
import unicodedata
def _format_size(value, digits, unit):
if digits > 0:
return "{{:.{}f}}{}".format(digits, unit).format(value)
else:
return "{{:d}}{}".format(unit).format(value)
def format_size(bytes_, digits=1):
if bytes_ < 1024:
return _format_size(bytes_, digits, "B")
kilo = bytes_ / 1024
if kilo < 1024:
return _format_size(kilo, digits, "kB")
mega = kilo / 1024
if mega < 1024:
return _format_size(mega, digits, "MB")
return _format_size(mega / 1024, digits, "GB")
def format_duration(total_seconds):
total_seconds = int(total_seconds)
hours = total_seconds // 3600
remainder = total_seconds % 3600
minutes = remainder // 60
seconds = total_seconds % 60
if hours:
return "{} h {} min".format(hours, minutes)
if minutes:
return "{} min {} sec".format(minutes, seconds)
return "{} sec".format(seconds)
def read_int(msg, min, max, default):
msg = msg + " [default {}]: ".format(default)
while True:
try:
val = input(msg)
if not val:
return default
if min <= int(val) <= max:
return int(val)
except ValueError:
pass
def slugify(value):
re_pattern = re.compile(r'[^\w\s-]', flags=re.U)
re_spaces = re.compile(r'[-\s]+', flags=re.U)
value = str(value)
value = unicodedata.normalize('NFKC', value)
value = re_pattern.sub('', value).strip().lower()
return re_spaces.sub('_', value)
VIDEO_PATTERNS = [
r"^(?P<id>\d+)?$",
r"^https://(www.)?twitch.tv/videos/(?P<id>\d+)(\?.+)?$",
]
CLIP_PATTERNS = [
r"^(?P<slug>[A-Za-z0-9]+)$",
r"^https://(www.)?twitch.tv/\w+/clip/(?P<slug>[A-Za-z0-9]+)(\?.+)?$",
r"^https://clips.twitch.tv/(?P<slug>[A-Za-z0-9]+)(\?.+)?$",
]
def parse_video_identifier(identifier):
"""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)
if match:
return match.group("id")
def parse_clip_identifier(identifier):
"""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)
if match:
return match.group("slug")