184 lines
6.3 KiB
Python
184 lines
6.3 KiB
Python
from __future__ import unicode_literals
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import errno
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import io
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import hashlib
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import json
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import os.path
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import re
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import types
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import sys
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import youtube_dl.extractor
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from youtube_dl import YoutubeDL
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from youtube_dl.utils import (
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compat_str,
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preferredencoding,
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write_string,
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)
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def get_params(override=None):
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PARAMETERS_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)),
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"parameters.json")
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with io.open(PARAMETERS_FILE, encoding='utf-8') as pf:
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parameters = json.load(pf)
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if override:
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parameters.update(override)
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return parameters
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def try_rm(filename):
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""" Remove a file if it exists """
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try:
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os.remove(filename)
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except OSError as ose:
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if ose.errno != errno.ENOENT:
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raise
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def report_warning(message):
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'''
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Print the message to stderr, it will be prefixed with 'WARNING:'
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If stderr is a tty file the 'WARNING:' will be colored
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'''
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if sys.stderr.isatty() and os.name != 'nt':
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_msg_header = '\033[0;33mWARNING:\033[0m'
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else:
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_msg_header = 'WARNING:'
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output = '%s %s\n' % (_msg_header, message)
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if 'b' in getattr(sys.stderr, 'mode', '') or sys.version_info[0] < 3:
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output = output.encode(preferredencoding())
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sys.stderr.write(output)
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class FakeYDL(YoutubeDL):
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def __init__(self, override=None):
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# Different instances of the downloader can't share the same dictionary
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# some test set the "sublang" parameter, which would break the md5 checks.
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params = get_params(override=override)
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super(FakeYDL, self).__init__(params)
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self.result = []
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def to_screen(self, s, skip_eol=None):
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print(s)
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def trouble(self, s, tb=None):
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raise Exception(s)
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def download(self, x):
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self.result.append(x)
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def expect_warning(self, regex):
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# Silence an expected warning matching a regex
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old_report_warning = self.report_warning
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def report_warning(self, message):
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if re.match(regex, message): return
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old_report_warning(message)
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self.report_warning = types.MethodType(report_warning, self)
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def gettestcases(include_onlymatching=False):
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for ie in youtube_dl.extractor.gen_extractors():
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t = getattr(ie, '_TEST', None)
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if t:
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assert not hasattr(ie, '_TESTS'), \
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'%s has _TEST and _TESTS' % type(ie).__name__
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tests = [t]
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else:
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tests = getattr(ie, '_TESTS', [])
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for t in tests:
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if not include_onlymatching and t.get('only_matching', False):
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continue
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t['name'] = type(ie).__name__[:-len('IE')]
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yield t
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md5 = lambda s: hashlib.md5(s.encode('utf-8')).hexdigest()
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def expect_info_dict(self, expected_dict, got_dict):
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for info_field, expected in expected_dict.items():
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if isinstance(expected, compat_str) and expected.startswith('re:'):
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got = got_dict.get(info_field)
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match_str = expected[len('re:'):]
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match_rex = re.compile(match_str)
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self.assertTrue(
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isinstance(got, compat_str),
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'Expected a %s object, but got %s for field %s' % (
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compat_str.__name__, type(got).__name__, info_field))
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self.assertTrue(
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match_rex.match(got),
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'field %s (value: %r) should match %r' % (info_field, got, match_str))
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elif isinstance(expected, type):
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got = got_dict.get(info_field)
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self.assertTrue(isinstance(got, expected),
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'Expected type %r for field %s, but got value %r of type %r' % (expected, info_field, got, type(got)))
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else:
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if isinstance(expected, compat_str) and expected.startswith('md5:'):
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got = 'md5:' + md5(got_dict.get(info_field))
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else:
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got = got_dict.get(info_field)
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self.assertEqual(expected, got,
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'invalid value for field %s, expected %r, got %r' % (info_field, expected, got))
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# Check for the presence of mandatory fields
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if got_dict.get('_type') != 'playlist':
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for key in ('id', 'url', 'title', 'ext'):
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self.assertTrue(got_dict.get(key), 'Missing mandatory field %s' % key)
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# Check for mandatory fields that are automatically set by YoutubeDL
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for key in ['webpage_url', 'extractor', 'extractor_key']:
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self.assertTrue(got_dict.get(key), 'Missing field: %s' % key)
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# Are checkable fields missing from the test case definition?
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test_info_dict = dict((key, value if not isinstance(value, compat_str) or len(value) < 250 else 'md5:' + md5(value))
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for key, value in got_dict.items()
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if value and key in ('title', 'description', 'uploader', 'upload_date', 'timestamp', 'uploader_id', 'location'))
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missing_keys = set(test_info_dict.keys()) - set(expected_dict.keys())
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if missing_keys:
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def _repr(v):
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if isinstance(v, compat_str):
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return "'%s'" % v.replace('\\', '\\\\').replace("'", "\\'")
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else:
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return repr(v)
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info_dict_str = ''.join(
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' %s: %s,\n' % (_repr(k), _repr(v))
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for k, v in test_info_dict.items())
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write_string('\n"info_dict": {\n' + info_dict_str + '}\n', out=sys.stderr)
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self.assertFalse(
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missing_keys,
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'Missing keys in test definition: %s' % (
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', '.join(sorted(missing_keys))))
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def assertRegexpMatches(self, text, regexp, msg=None):
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if hasattr(self, 'assertRegexp'):
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return self.assertRegexp(text, regexp, msg)
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else:
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m = re.match(regexp, text)
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if not m:
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note = 'Regexp didn\'t match: %r not found in %r' % (regexp, text)
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if msg is None:
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msg = note
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else:
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msg = note + ', ' + msg
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self.assertTrue(m, msg)
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def assertGreaterEqual(self, got, expected, msg=None):
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if not (got >= expected):
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if msg is None:
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msg = '%r not greater than or equal to %r' % (got, expected)
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self.assertTrue(got >= expected, msg)
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def expect_warnings(ydl, warnings_re):
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real_warning = ydl.report_warning
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def _report_warning(w):
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if not any(re.search(w_re, w) for w_re in warnings_re):
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real_warning(w)
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ydl.report_warning = _report_warning
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