Raphaël G. Git Repositories - youtubedl/blob - test/helper.py

   1 import errno
   2 import io
   3 import hashlib
   4 import json
   5 import os.path
   6 import re
   7 import types
   8 import sys
   9
  10 import youtube_dl.extractor
  11 from youtube_dl import YoutubeDL
  12 from youtube_dl.utils import preferredencoding
  13
  14
  15 def global_setup():
  16     youtube_dl._setup_opener(timeout=10)
  17
  18
  19 def get_params(override=None):
  20     PARAMETERS_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)),
  21                                    "parameters.json")
  22     with io.open(PARAMETERS_FILE, encoding='utf-8') as pf:
  23         parameters = json.load(pf)
  24     if override:
  25         parameters.update(override)
  26     return parameters
  27
  28
  29 def try_rm(filename):
  30     """ Remove a file if it exists """
  31     try:
  32         os.remove(filename)
  33     except OSError as ose:
  34         if ose.errno != errno.ENOENT:
  35             raise
  36
  37
  38 def report_warning(message):
  39     '''
  40     Print the message to stderr, it will be prefixed with 'WARNING:'
  41     If stderr is a tty file the 'WARNING:' will be colored
  42     '''
  43     if sys.stderr.isatty() and os.name != 'nt':
  44         _msg_header = u'\033[0;33mWARNING:\033[0m'
  45     else:
  46         _msg_header = u'WARNING:'
  47     output = u'%s %s\n' % (_msg_header, message)
  48     if 'b' in getattr(sys.stderr, 'mode', '') or sys.version_info[0] < 3:
  49         output = output.encode(preferredencoding())
  50     sys.stderr.write(output)
  51
  52
  53 class FakeYDL(YoutubeDL):
  54     def __init__(self, override=None):
  55         # Different instances of the downloader can't share the same dictionary
  56         # some test set the "sublang" parameter, which would break the md5 checks.
  57         params = get_params(override=override)
  58         super(FakeYDL, self).__init__(params)
  59         self.result = []
  60
  61     def to_screen(self, s, skip_eol=None):
  62         print(s)
  63
  64     def trouble(self, s, tb=None):
  65         raise Exception(s)
  66
  67     def download(self, x):
  68         self.result.append(x)
  69
  70     def expect_warning(self, regex):
  71         # Silence an expected warning matching a regex
  72         old_report_warning = self.report_warning
  73         def report_warning(self, message):
  74             if re.match(regex, message): return
  75             old_report_warning(message)
  76         self.report_warning = types.MethodType(report_warning, self)
  77
  78 def get_testcases():
  79     for ie in youtube_dl.extractor.gen_extractors():
  80         t = getattr(ie, '_TEST', None)
  81         if t:
  82             t['name'] = type(ie).__name__[:-len('IE')]
  83             yield t
  84         for t in getattr(ie, '_TESTS', []):
  85             t['name'] = type(ie).__name__[:-len('IE')]
  86             yield t
  87
  88
  89 md5 = lambda s: hashlib.md5(s.encode('utf-8')).hexdigest()