youtube-dl/test/helper.py

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import errno
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import io
import json
import os.path
import re
import types
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import youtube_dl.extractor
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from youtube_dl import YoutubeDL, YoutubeDLHandler
from youtube_dl.utils import (
compat_cookiejar,
compat_urllib_request,
)
# General configuration (from __init__, not very elegant...)
jar = compat_cookiejar.CookieJar()
cookie_processor = compat_urllib_request.HTTPCookieProcessor(jar)
proxy_handler = compat_urllib_request.ProxyHandler()
opener = compat_urllib_request.build_opener(proxy_handler, cookie_processor, YoutubeDLHandler())
compat_urllib_request.install_opener(opener)
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)
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def try_rm(filename):
""" Remove a file if it exists """
try:
os.remove(filename)
except OSError as ose:
if ose.errno != errno.ENOENT:
raise
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class FakeYDL(YoutubeDL):
def __init__(self):
# Different instances of the downloader can't share the same dictionary
# some test set the "sublang" parameter, which would break the md5 checks.
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params = dict(parameters)
super(FakeYDL, self).__init__(params)
self.result = []
def to_screen(self, s, skip_eol=None):
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print(s)
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def trouble(self, s, tb=None):
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):
# 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)
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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