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Add format type B for outtmpl to treat the value as bytes

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This is useful to limit the filename to a certain number of bytes rather than characters
Closes #1003
This commit is contained in:
pukkandan
2021-09-17 23:46:17 +05:30
parent f1f6ca78b4
commit f5aa5cfbff
3 changed files with 9 additions and 4 deletions
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7
yt_dlp/YoutubeDL.py
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@@ -907,7 +907,7 @@ class YoutubeDL(object):
def validate_outtmpl(cls, outtmpl):
''' @return None or Exception object '''
outtmpl = re.sub(
STR_FORMAT_RE_TMPL.format('[^)]*', '[ljq]'),
STR_FORMAT_RE_TMPL.format('[^)]*', '[ljqB]'),
lambda mobj: f'{mobj.group(0)[:-1]}s',
cls._outtmpl_expandpath(outtmpl))
try:
@@ -939,7 +939,7 @@ class YoutubeDL(object):
}
TMPL_DICT = {}
EXTERNAL_FORMAT_RE = re.compile(STR_FORMAT_RE_TMPL.format('[^)]*', f'[{STR_FORMAT_TYPES}ljq]'))
EXTERNAL_FORMAT_RE = re.compile(STR_FORMAT_RE_TMPL.format('[^)]*', f'[{STR_FORMAT_TYPES}ljqB]'))
MATH_FUNCTIONS = {
'+': float.__add__,
'-': float.__sub__,
@@ -1031,6 +1031,9 @@ class YoutubeDL(object):
value, fmt = json.dumps(value, default=_dumpjson_default), str_fmt
elif fmt[-1] == 'q':
value, fmt = compat_shlex_quote(str(value)), str_fmt
elif fmt[-1] == 'B':
value = f'%{str_fmt}'.encode('utf-8') % str(value).encode('utf-8')
value, fmt = value.decode('utf-8', 'ignore'), 's'
elif fmt[-1] == 'c':
value = str(value)
if value is None: