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Better error handling of syntax errors in -f

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This commit is contained in:
pukkandan 2021-06-11 19:13:22 +05:30
parent 4ba001080f
commit 187986a857
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GPG Key ID: 0F00D95A001F4698
2 changed files with 20 additions and 19 deletions
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5
test/test_YoutubeDL.py
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@ -461,14 +461,13 @@ def test_format_selection_issue_10083(self):
def test_invalid_format_specs(self):
def assert_syntax_error(format_spec):
ydl = YDL({'format': format_spec})
info_dict = _make_result([{'format_id': 'foo', 'url': TEST_URL}])
self.assertRaises(SyntaxError, ydl.process_ie_result, info_dict)
self.assertRaises(SyntaxError, YDL, {'format': format_spec})
assert_syntax_error('bestvideo,,best')
assert_syntax_error('+bestaudio')
assert_syntax_error('bestvideo+')
assert_syntax_error('/')
assert_syntax_error('[720<height]')
def test_format_filtering(self):
formats = [

34
yt_dlp/YoutubeDL.py
View File

@ -538,6 +538,11 @@ def check_deprecated(param, option, suggestion):
self.outtmpl_dict = self.parse_outtmpl()
# Creating format selector here allows us to catch syntax errors before the extraction
self.format_selector = (
None if self.params.get('format') is None
else self.build_format_selector(self.params['format']))
self._setup_opener()
"""Preload the archive, if any is specified"""
@ -1487,12 +1492,11 @@ def _build_format_filter(self, filter_spec):
'!=': operator.ne,
}
operator_rex = re.compile(r'''(?x)\s*
(?P<key>width|height|tbr|abr|vbr|asr|filesize|filesize_approx|fps)
\s*(?P<op>%s)(?P<none_inclusive>\s*\?)?\s*
(?P<value>[0-9.]+(?:[kKmMgGtTpPeEzZyY]i?[Bb]?)?)
$
(?P<key>width|height|tbr|abr|vbr|asr|filesize|filesize_approx|fps)\s*
(?P<op>%s)(?P<none_inclusive>\s*\?)?\s*
(?P<value>[0-9.]+(?:[kKmMgGtTpPeEzZyY]i?[Bb]?)?)\s*
''' % '|'.join(map(re.escape, OPERATORS.keys())))
m = operator_rex.search(filter_spec)
m = operator_rex.fullmatch(filter_spec)
if m:
try:
comparison_value = int(m.group('value'))
@ -1513,13 +1517,12 @@ def _build_format_filter(self, filter_spec):
'$=': lambda attr, value: attr.endswith(value),
'*=': lambda attr, value: value in attr,
}
str_operator_rex = re.compile(r'''(?x)
\s*(?P<key>[a-zA-Z0-9._-]+)
\s*(?P<negation>!\s*)?(?P<op>%s)(?P<none_inclusive>\s*\?)?
\s*(?P<value>[a-zA-Z0-9._-]+)
\s*$
str_operator_rex = re.compile(r'''(?x)\s*
(?P<key>[a-zA-Z0-9._-]+)\s*
(?P<negation>!\s*)?(?P<op>%s)(?P<none_inclusive>\s*\?)?\s*
(?P<value>[a-zA-Z0-9._-]+)\s*
''' % '|'.join(map(re.escape, STR_OPERATORS.keys())))
m = str_operator_rex.search(filter_spec)
m = str_operator_rex.fullmatch(filter_spec)
if m:
comparison_value = m.group('value')
str_op = STR_OPERATORS[m.group('op')]
@ -1529,7 +1532,7 @@ def _build_format_filter(self, filter_spec):
op = str_op
if not m:
raise ValueError('Invalid filter specification %r' % filter_spec)
raise SyntaxError('Invalid filter specification %r' % filter_spec)
def _filter(f):
actual_value = f.get(m.group('key'))
@ -2118,12 +2121,11 @@ def is_wellformed(f):
self.list_formats(info_dict)
return
req_format = self.params.get('format')
if req_format is None:
format_selector = self.format_selector
if format_selector is None:
req_format = self._default_format_spec(info_dict, download=download)
self.write_debug('Default format spec: %s' % req_format)
format_selector = self.build_format_selector(req_format)
format_selector = self.build_format_selector(req_format)
# While in format selection we may need to have an access to the original
# format set in order to calculate some metrics or do some processing.