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youtube-dl/test/helper.py
2013-11-25 03:47:32 +01:00

85 lines
2.5 KiB
Python

import errno
import io
import hashlib
import json
import os.path
import re
import types
import sys
import youtube_dl.extractor
from youtube_dl import YoutubeDL
from youtube_dl.utils import preferredencoding
def get_params(override=None):
PARAMETERS_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)),
"parameters.json")
with io.open(PARAMETERS_FILE, encoding='utf-8') as pf:
parameters = json.load(pf)
if override:
parameters.update(override)
return parameters
def try_rm(filename):
""" Remove a file if it exists """
try:
os.remove(filename)
except OSError as ose:
if ose.errno != errno.ENOENT:
raise
def report_warning(message):
'''
Print the message to stderr, it will be prefixed with 'WARNING:'
If stderr is a tty file the 'WARNING:' will be colored
'''
if sys.stderr.isatty() and os.name != 'nt':
_msg_header = u'\033[0;33mWARNING:\033[0m'
else:
_msg_header = u'WARNING:'
output = u'%s %s\n' % (_msg_header, message)
if 'b' in getattr(sys.stderr, 'mode', '') or sys.version_info[0] < 3:
output = output.encode(preferredencoding())
sys.stderr.write(output)
class FakeYDL(YoutubeDL):
def __init__(self, override=None):
# Different instances of the downloader can't share the same dictionary
# some test set the "sublang" parameter, which would break the md5 checks.
params = get_params(override=override)
super(FakeYDL, self).__init__(params)
self.result = []
def to_screen(self, s, skip_eol=None):
print(s)
def trouble(self, s, tb=None):
raise Exception(s)
def download(self, x):
self.result.append(x)
def expect_warning(self, regex):
# Silence an expected warning matching a regex
old_report_warning = self.report_warning
def report_warning(self, message):
if re.match(regex, message): return
old_report_warning(message)
self.report_warning = types.MethodType(report_warning, self)
def get_testcases():
for ie in youtube_dl.extractor.gen_extractors():
t = getattr(ie, '_TEST', None)
if t:
t['name'] = type(ie).__name__[:-len('IE')]
yield t
for t in getattr(ie, '_TESTS', []):
t['name'] = type(ie).__name__[:-len('IE')]
yield t
md5 = lambda s: hashlib.md5(s.encode('utf-8')).hexdigest()