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Move the opener to the YoutubeDL object.

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This is the first step towards being able to just import youtube_dl and start using it.
Apart from removing global state, this would fix problems like #1805.
This commit is contained in:
Philipp Hagemeister 2013-11-22 19:57:52 +01:00
parent 0b63aed8df
commit dca0872056
4 changed files with 96 additions and 96 deletions
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86
youtube_dl/YoutubeDL.py
View File

@ -7,8 +7,10 @@ import errno
import io
import json
import os
import platform
import re
import shutil
import subprocess
import socket
import sys
import time
@ -18,6 +20,7 @@ if os.name == 'nt':
import ctypes
from .utils import (
compat_cookiejar,
compat_http_client,
compat_print,
compat_str,
@ -31,8 +34,10 @@ from .utils import (
encodeFilename,
ExtractorError,
locked_file,
make_HTTPS_handler,
MaxDownloadsReached,
PostProcessingError,
platform_name,
preferredencoding,
SameFileError,
sanitize_filename,
@ -41,9 +46,11 @@ from .utils import (
UnavailableVideoError,
write_json_file,
write_string,
YoutubeDLHandler,
)
from .extractor import get_info_extractor, gen_extractors
from .FileDownloader import FileDownloader
from .version import __version__
class YoutubeDL(object):
@ -120,6 +127,8 @@ class YoutubeDL(object):
downloadarchive: File name of a file where all downloads are recorded.
Videos already present in the file are not downloaded
again.
cookiefile: File name where cookies should be read from and dumped to.
nocheckcertificate Do not verify SSL certificates
The following parameters are not used by YoutubeDL itself, they are used by
the FileDownloader:
@ -160,6 +169,8 @@ class YoutubeDL(object):
if '%(stitle)s' in self.params['outtmpl']:
self.report_warning(u'%(stitle)s is deprecated. Use the %(title)s and the --restrict-filenames flag(which also secures %(uploader)s et al) instead.')
self._setup_opener()
def add_info_extractor(self, ie):
"""Add an InfoExtractor object to the end of the list."""
self._ies.append(ie)
@ -235,6 +246,9 @@ class YoutubeDL(object):
def __exit__(self, *args):
self.restore_console_title()
if self.params.get('cookiefile') is not None:
self.cookiejar.save()
def fixed_template(self):
"""Checks if the output template is fixed."""
@ -774,7 +788,7 @@ class YoutubeDL(object):
for url in url_list:
try:
#It also downloads the videos
videos = self.extract_info(url)
self.extract_info(url)
except UnavailableVideoError:
self.report_error(u'unable to download video')
except MaxDownloadsReached:
@ -885,3 +899,73 @@ class YoutubeDL(object):
'_resolution': u'resolution', 'format_note': u'note'})
self.to_screen(u'[info] Available formats for %s:\n%s\n%s' %
(info_dict['id'], header_line, u"\n".join(formats_s)))
def urlopen(self, req):
""" Start an HTTP download """
return self._opener.open(req)
def print_debug_header(self):
if not self.params.get('verbose'):
return
write_string(u'[debug] youtube-dl version ' + __version__ + u'\n')
try:
sp = subprocess.Popen(
['git', 'rev-parse', '--short', 'HEAD'],
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
cwd=os.path.dirname(os.path.abspath(__file__)))
out, err = sp.communicate()
out = out.decode().strip()
if re.match('[0-9a-f]+', out):
write_string(u'[debug] Git HEAD: ' + out + u'\n')
except:
try:
sys.exc_clear()
except:
pass
write_string(u'[debug] Python version %s - %s' %
(platform.python_version(), platform_name()) + u'\n')
proxy_map = {}
for handler in self._opener.handlers:
if hasattr(handler, 'proxies'):
proxy_map.update(handler.proxies)
write_string(u'[debug] Proxy map: ' + compat_str(proxy_map) + u'\n')
def _setup_opener(self, timeout=300):
opts_cookiefile = self.params.get('cookiefile')
opts_proxy = self.params.get('proxy')
if opts_cookiefile is None:
self.cookiejar = compat_cookiejar.CookieJar()
else:
self.cookiejar = compat_cookiejar.MozillaCookieJar(
opts_cookiefile)
if os.access(opts_cookiefile, os.R_OK):
self.cookiejar.load()
cookie_processor = compat_urllib_request.HTTPCookieProcessor(
self.cookiejar)
if opts_proxy is not None:
if opts_proxy == '':
proxies = {}
else:
proxies = {'http': opts_proxy, 'https': opts_proxy}
else:
proxies = compat_urllib_request.getproxies()
# Set HTTPS proxy to HTTP one if given (https://github.com/rg3/youtube-dl/issues/805)
if 'http' in proxies and 'https' not in proxies:
proxies['https'] = proxies['http']
proxy_handler = compat_urllib_request.ProxyHandler(proxies)
https_handler = make_HTTPS_handler(
self.params.get('nocheckcertificate', False))
opener = compat_urllib_request.build_opener(
https_handler, proxy_handler, cookie_processor, YoutubeDLHandler())
# Delete the default user-agent header, which would otherwise apply in
# cases where our custom HTTP handler doesn't come into play
# (See https://github.com/rg3/youtube-dl/issues/1309 for details)
opener.addheaders = []
self._opener = opener
# TODO remove this global modification
compat_urllib_request.install_opener(opener)
socket.setdefaulttimeout(timeout)

98
youtube_dl/__init__.py
View File

@ -40,45 +40,35 @@ __authors__ = (
__license__ = 'Public Domain'
import codecs
import collections
import getpass
import optparse
import os
import random
import re
import shlex
import socket
import subprocess
import sys
import traceback
import platform
from .utils import (
compat_cookiejar,
compat_print,
compat_str,
compat_urllib_request,
DateRange,
decodeOption,
determine_ext,
DownloadError,
get_cachedir,
make_HTTPS_handler,
MaxDownloadsReached,
platform_name,
preferredencoding,
SameFileError,
std_headers,
write_string,
YoutubeDLHandler,
)
from .update import update_self
from .version import __version__
from .FileDownloader import (
FileDownloader,
)
from .extractor import gen_extractors
from .version import __version__
from .YoutubeDL import YoutubeDL
from .PostProcessor import (
FFmpegMetadataPP,
@ -451,19 +441,6 @@ def _real_main(argv=None):
parser, opts, args = parseOpts(argv)
# Open appropriate CookieJar
if opts.cookiefile is None:
jar = compat_cookiejar.CookieJar()
else:
try:
jar = compat_cookiejar.MozillaCookieJar(opts.cookiefile)
if os.access(opts.cookiefile, os.R_OK):
jar.load()
except (IOError, OSError) as err:
if opts.verbose:
traceback.print_exc()
write_string(u'ERROR: unable to open cookie file\n')
sys.exit(101)
# Set user agent
if opts.user_agent is not None:
std_headers['User-Agent'] = opts.user_agent
@ -495,8 +472,6 @@ def _real_main(argv=None):
all_urls = batchurls + args
all_urls = [url.strip() for url in all_urls]
opener = _setup_opener(jar=jar, opts=opts)
extractors = gen_extractors()
if opts.list_extractors:
@ -551,7 +526,7 @@ def _real_main(argv=None):
if opts.retries is not None:
try:
opts.retries = int(opts.retries)
except (TypeError, ValueError) as err:
except (TypeError, ValueError):
parser.error(u'invalid retry count specified')
if opts.buffersize is not None:
numeric_buffersize = FileDownloader.parse_bytes(opts.buffersize)
@ -562,13 +537,13 @@ def _real_main(argv=None):
opts.playliststart = int(opts.playliststart)
if opts.playliststart <= 0:
raise ValueError(u'Playlist start must be positive')
except (TypeError, ValueError) as err:
except (TypeError, ValueError):
parser.error(u'invalid playlist start number specified')
try:
opts.playlistend = int(opts.playlistend)
if opts.playlistend != -1 and (opts.playlistend <= 0 or opts.playlistend < opts.playliststart):
raise ValueError(u'Playlist end must be greater than playlist start')
except (TypeError, ValueError) as err:
except (TypeError, ValueError):
parser.error(u'invalid playlist end number specified')
if opts.extractaudio:
if opts.audioformat not in ['best', 'aac', 'mp3', 'm4a', 'opus', 'vorbis', 'wav']:
@ -671,34 +646,12 @@ def _real_main(argv=None):
'youtube_print_sig_code': opts.youtube_print_sig_code,
'age_limit': opts.age_limit,
'download_archive': opts.download_archive,
'cookiefile': opts.cookiefile,
'nocheckcertificate': opts.no_check_certificate,
}
with YoutubeDL(ydl_opts) as ydl:
if opts.verbose:
write_string(u'[debug] youtube-dl version ' + __version__ + u'\n')
try:
sp = subprocess.Popen(
['git', 'rev-parse', '--short', 'HEAD'],
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
cwd=os.path.dirname(os.path.abspath(__file__)))
out, err = sp.communicate()
out = out.decode().strip()
if re.match('[0-9a-f]+', out):
write_string(u'[debug] Git HEAD: ' + out + u'\n')
except:
try:
sys.exc_clear()
except:
pass
write_string(u'[debug] Python version %s - %s' %
(platform.python_version(), platform_name()) + u'\n')
proxy_map = {}
for handler in opener.handlers:
if hasattr(handler, 'proxies'):
proxy_map.update(handler.proxies)
write_string(u'[debug] Proxy map: ' + compat_str(proxy_map) + u'\n')
ydl.print_debug_header()
ydl.add_default_info_extractors()
# PostProcessors
@ -729,46 +682,9 @@ def _real_main(argv=None):
ydl.to_screen(u'--max-download limit reached, aborting.')
retcode = 101
# Dump cookie jar if requested
if opts.cookiefile is not None:
try:
jar.save()
except (IOError, OSError):
sys.exit(u'ERROR: unable to save cookie jar')
sys.exit(retcode)
def _setup_opener(jar=None, opts=None, timeout=300):
if opts is None:
FakeOptions = collections.namedtuple(
'FakeOptions', ['proxy', 'no_check_certificate'])
opts = FakeOptions(proxy=None, no_check_certificate=False)
cookie_processor = compat_urllib_request.HTTPCookieProcessor(jar)
if opts.proxy is not None:
if opts.proxy == '':
proxies = {}
else:
proxies = {'http': opts.proxy, 'https': opts.proxy}
else:
proxies = compat_urllib_request.getproxies()
# Set HTTPS proxy to HTTP one if given (https://github.com/rg3/youtube-dl/issues/805)
if 'http' in proxies and 'https' not in proxies:
proxies['https'] = proxies['http']
proxy_handler = compat_urllib_request.ProxyHandler(proxies)
https_handler = make_HTTPS_handler(opts)
opener = compat_urllib_request.build_opener(
https_handler, proxy_handler, cookie_processor, YoutubeDLHandler())
# Delete the default user-agent header, which would otherwise apply in
# cases where our custom HTTP handler doesn't come into play
# (See https://github.com/rg3/youtube-dl/issues/1309 for details)
opener.addheaders = []
compat_urllib_request.install_opener(opener)
socket.setdefaulttimeout(timeout)
return opener
def main(argv=None):
try:
_real_main(argv)

4
youtube_dl/extractor/common.py
View File

@ -8,7 +8,6 @@ import netrc
from ..utils import (
compat_http_client,
compat_urllib_error,
compat_urllib_request,
compat_str,
clean_html,
@ -19,6 +18,7 @@ from ..utils import (
unescapeHTML,
)
class InfoExtractor(object):
"""Information Extractor class.
@ -156,7 +156,7 @@ class InfoExtractor(object):
elif note is not False:
self.to_screen(u'%s: %s' % (video_id, note))
try:
return compat_urllib_request.urlopen(url_or_request)
return self._downloader.urlopen(url_or_request)
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
if errnote is None:
errnote = u'Unable to download webpage'

4
youtube_dl/utils.py
View File

@ -535,7 +535,7 @@ def formatSeconds(secs):
else:
return '%d' % secs
def make_HTTPS_handler(opts):
def make_HTTPS_handler(opts_no_check_certificate):
if sys.version_info < (3,2):
# Python's 2.x handler is very simplistic
return compat_urllib_request.HTTPSHandler()
@ -545,7 +545,7 @@ def make_HTTPS_handler(opts):
context.set_default_verify_paths()
context.verify_mode = (ssl.CERT_NONE
if opts.no_check_certificate
if opts_no_check_certificate
else ssl.CERT_REQUIRED)
return compat_urllib_request.HTTPSHandler(context=context)