lopar/youtube-dl
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Put the downloader in full control of output messages

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This commit is contained in:
Ricardo Garcia 2009-04-23 21:58:03 +02:00
parent 9bf386d74b
commit 3aaf887e98
1 changed files with 37 additions and 57 deletions
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youtube-dl
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@ -419,15 +419,6 @@ class InfoExtractor(object):
"""Sets the downloader for this IE.""" """Sets the downloader for this IE."""
self._downloader = downloader self._downloader = downloader
def to_stdout(self, message):
"""Print message to stdout if downloader is not in quiet mode."""
if self._downloader is None or not self._downloader.params.get('quiet', False):
print message
def to_stderr(self, message):
"""Print message to stderr."""
print >>sys.stderr, message
def _real_initialize(self): def _real_initialize(self):
"""Real initialization process. Redefine in subclasses.""" """Real initialization process. Redefine in subclasses."""
pass pass
@ -474,27 +465,27 @@ class YoutubeIE(InfoExtractor):
def report_lang(self): def report_lang(self):
"""Report attempt to set language.""" """Report attempt to set language."""
self.to_stdout(u'[youtube] Setting language') self._downloader.to_stdout(u'[youtube] Setting language')
def report_login(self): def report_login(self):
"""Report attempt to log in.""" """Report attempt to log in."""
self.to_stdout(u'[youtube] Logging in') self._downloader.to_stdout(u'[youtube] Logging in')
def report_age_confirmation(self): def report_age_confirmation(self):
"""Report attempt to confirm age.""" """Report attempt to confirm age."""
self.to_stdout(u'[youtube] Confirming age') self._downloader.to_stdout(u'[youtube] Confirming age')
def report_webpage_download(self, video_id): def report_webpage_download(self, video_id):
"""Report attempt to download webpage.""" """Report attempt to download webpage."""
self.to_stdout(u'[youtube] %s: Downloading video webpage' % video_id) self._downloader.to_stdout(u'[youtube] %s: Downloading video webpage' % video_id)
def report_information_extraction(self, video_id): def report_information_extraction(self, video_id):
"""Report attempt to extract video information.""" """Report attempt to extract video information."""
self.to_stdout(u'[youtube] %s: Extracting video information' % video_id) self._downloader.to_stdout(u'[youtube] %s: Extracting video information' % video_id)
def report_video_url(self, video_id, video_real_url): def report_video_url(self, video_id, video_real_url):
"""Report extracted video URL.""" """Report extracted video URL."""
self.to_stdout(u'[youtube] %s: URL: %s' % (video_id, video_real_url)) self._downloader.to_stdout(u'[youtube] %s: URL: %s' % (video_id, video_real_url))
def _real_initialize(self): def _real_initialize(self):
if self._downloader is None: if self._downloader is None:
@ -517,7 +508,7 @@ class YoutubeIE(InfoExtractor):
else: else:
raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE) raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE)
except (IOError, netrc.NetrcParseError), err: except (IOError, netrc.NetrcParseError), err:
self.to_stderr(u'WARNING: parsing .netrc: %s' % str(err)) self._downloader.to_stderr(u'WARNING: parsing .netrc: %s' % str(err))
return return
# Set language # Set language
@ -526,7 +517,7 @@ class YoutubeIE(InfoExtractor):
self.report_lang() self.report_lang()
urllib2.urlopen(request).read() urllib2.urlopen(request).read()
except (urllib2.URLError, httplib.HTTPException, socket.error), err: except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self.to_stderr(u'WARNING: unable to set language: %s' % str(err)) self._downloader.to_stderr(u'WARNING: unable to set language: %s' % str(err))
return return
# No authentication to be performed # No authentication to be performed
@ -546,10 +537,10 @@ class YoutubeIE(InfoExtractor):
self.report_login() self.report_login()
login_results = urllib2.urlopen(request).read() login_results = urllib2.urlopen(request).read()
if re.search(r'(?i)<form[^>]* name="loginForm"', login_results) is not None: if re.search(r'(?i)<form[^>]* name="loginForm"', login_results) is not None:
self.to_stderr(u'WARNING: unable to log in: bad username or password') self._downloader.to_stderr(u'WARNING: unable to log in: bad username or password')
return return
except (urllib2.URLError, httplib.HTTPException, socket.error), err: except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self.to_stderr(u'WARNING: unable to log in: %s' % str(err)) self._downloader.to_stderr(u'WARNING: unable to log in: %s' % str(err))
return return
# Confirm age # Confirm age
@ -562,14 +553,14 @@ class YoutubeIE(InfoExtractor):
self.report_age_confirmation() self.report_age_confirmation()
age_results = urllib2.urlopen(request).read() age_results = urllib2.urlopen(request).read()
except (urllib2.URLError, httplib.HTTPException, socket.error), err: except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self.to_stderr(u'ERROR: unable to confirm age: %s' % str(err)) self._downloader.to_stderr(u'ERROR: unable to confirm age: %s' % str(err))
return return
def _real_extract(self, url): def _real_extract(self, url):
# Extract video id from URL # Extract video id from URL
mobj = re.match(self._VALID_URL, url) mobj = re.match(self._VALID_URL, url)
if mobj is None: if mobj is None:
self.to_stderr(u'ERROR: invalid URL: %s' % url) self._downloader.to_stderr(u'ERROR: invalid URL: %s' % url)
return [None] return [None]
video_id = mobj.group(2) video_id = mobj.group(2)
@ -578,8 +569,6 @@ class YoutubeIE(InfoExtractor):
if self._downloader is not None: if self._downloader is not None:
params = self._downloader.params params = self._downloader.params
format_param = params.get('format', None) format_param = params.get('format', None)
if format_param is None:
format_param = '34'
# Extension # Extension
video_extension = { video_extension = {
@ -597,14 +586,14 @@ class YoutubeIE(InfoExtractor):
self.report_webpage_download(video_id) self.report_webpage_download(video_id)
video_webpage = urllib2.urlopen(request).read() video_webpage = urllib2.urlopen(request).read()
except (urllib2.URLError, httplib.HTTPException, socket.error), err: except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self.to_stderr(u'ERROR: unable to download video webpage: %s' % str(err)) self._downloader.to_stderr(u'ERROR: unable to download video webpage: %s' % str(err))
return [None] return [None]
self.report_information_extraction(video_id) self.report_information_extraction(video_id)
# "t" param # "t" param
mobj = re.search(r', "t": "([^"]+)"', video_webpage) mobj = re.search(r', "t": "([^"]+)"', video_webpage)
if mobj is None: if mobj is None:
self.to_stderr(u'ERROR: unable to extract "t" parameter') self._downloader.to_stderr(u'ERROR: unable to extract "t" parameter')
return [None] return [None]
video_real_url = 'http://www.youtube.com/get_video?video_id=%s&t=%s&el=detailpage&ps=' % (video_id, mobj.group(1)) video_real_url = 'http://www.youtube.com/get_video?video_id=%s&t=%s&el=detailpage&ps=' % (video_id, mobj.group(1))
if format_param is not None: if format_param is not None:
@ -614,14 +603,14 @@ class YoutubeIE(InfoExtractor):
# uploader # uploader
mobj = re.search(r"var watchUsername = '([^']+)';", video_webpage) mobj = re.search(r"var watchUsername = '([^']+)';", video_webpage)
if mobj is None: if mobj is None:
self.to_stderr(u'ERROR: unable to extract uploader nickname') self._downloader.to_stderr(u'ERROR: unable to extract uploader nickname')
return [None] return [None]
video_uploader = mobj.group(1) video_uploader = mobj.group(1)
# title # title
mobj = re.search(r'(?im)<title>YouTube - ([^<]*)</title>', video_webpage) mobj = re.search(r'(?im)<title>YouTube - ([^<]*)</title>', video_webpage)
if mobj is None: if mobj is None:
self.to_stderr(u'ERROR: unable to extract video title') self._downloader.to_stderr(u'ERROR: unable to extract video title')
return [None] return [None]
video_title = mobj.group(1).decode('utf-8') video_title = mobj.group(1).decode('utf-8')
video_title = re.sub(ur'(?u)&(.+?);', self.htmlentity_transform, video_title) video_title = re.sub(ur'(?u)&(.+?);', self.htmlentity_transform, video_title)
@ -631,7 +620,7 @@ class YoutubeIE(InfoExtractor):
simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title) simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
simple_title = simple_title.strip(ur'_') simple_title = simple_title.strip(ur'_')
# Return information # Process video information
return [{ return [{
'id': video_id.decode('utf-8'), 'id': video_id.decode('utf-8'),
'url': video_real_url.decode('utf-8'), 'url': video_real_url.decode('utf-8'),
@ -658,19 +647,19 @@ class MetacafeIE(InfoExtractor):
def report_disclaimer(self): def report_disclaimer(self):
"""Report disclaimer retrieval.""" """Report disclaimer retrieval."""
self.to_stdout(u'[metacafe] Retrieving disclaimer') self._downloader.to_stdout(u'[metacafe] Retrieving disclaimer')
def report_age_confirmation(self): def report_age_confirmation(self):
"""Report attempt to confirm age.""" """Report attempt to confirm age."""
self.to_stdout(u'[metacafe] Confirming age') self._downloader.to_stdout(u'[metacafe] Confirming age')
def report_download_webpage(self, video_id): def report_download_webpage(self, video_id):
"""Report webpage download.""" """Report webpage download."""
self.to_stdout(u'[metacafe] %s: Downloading webpage' % video_id) self._downloader.to_stdout(u'[metacafe] %s: Downloading webpage' % video_id)
def report_extraction(self, video_id): def report_extraction(self, video_id):
"""Report information extraction.""" """Report information extraction."""
self.to_stdout(u'[metacafe] %s: Extracting information' % video_id) self._downloader.to_stdout(u'[metacafe] %s: Extracting information' % video_id)
def _real_initialize(self): def _real_initialize(self):
# Retrieve disclaimer # Retrieve disclaimer
@ -679,7 +668,7 @@ class MetacafeIE(InfoExtractor):
self.report_disclaimer() self.report_disclaimer()
disclaimer = urllib2.urlopen(request).read() disclaimer = urllib2.urlopen(request).read()
except (urllib2.URLError, httplib.HTTPException, socket.error), err: except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self.to_stderr(u'ERROR: unable to retrieve disclaimer: %s' % str(err)) self._downloader.to_stderr(u'ERROR: unable to retrieve disclaimer: %s' % str(err))
return return
# Confirm age # Confirm age
@ -692,14 +681,14 @@ class MetacafeIE(InfoExtractor):
self.report_age_confirmation() self.report_age_confirmation()
disclaimer = urllib2.urlopen(request).read() disclaimer = urllib2.urlopen(request).read()
except (urllib2.URLError, httplib.HTTPException, socket.error), err: except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self.to_stderr(u'ERROR: unable to confirm age: %s' % str(err)) self._downloader.to_stderr(u'ERROR: unable to confirm age: %s' % str(err))
return return
def _real_extract(self, url): def _real_extract(self, url):
# Extract id and simplified title from URL # Extract id and simplified title from URL
mobj = re.match(self._VALID_URL, url) mobj = re.match(self._VALID_URL, url)
if mobj is None: if mobj is None:
self.to_stderr(u'ERROR: invalid URL: %s' % url) self._downloader.to_stderr(u'ERROR: invalid URL: %s' % url)
return [None] return [None]
video_id = mobj.group(1) video_id = mobj.group(1)
@ -718,20 +707,20 @@ class MetacafeIE(InfoExtractor):
self.report_download_webpage(video_id) self.report_download_webpage(video_id)
webpage = urllib2.urlopen(request).read() webpage = urllib2.urlopen(request).read()
except (urllib2.URLError, httplib.HTTPException, socket.error), err: except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self.to_stderr(u'ERROR: unable retrieve video webpage: %s' % str(err)) self._downloader.to_stderr(u'ERROR: unable retrieve video webpage: %s' % str(err))
return [None] return [None]
# Extract URL, uploader and title from webpage # Extract URL, uploader and title from webpage
self.report_extraction(video_id) self.report_extraction(video_id)
mobj = re.search(r'(?m)"mediaURL":"(http.*?\.flv)"', webpage) mobj = re.search(r'(?m)"mediaURL":"(http.*?\.flv)"', webpage)
if mobj is None: if mobj is None:
self.to_stderr(u'ERROR: unable to extract media URL') self._downloader.to_stderr(u'ERROR: unable to extract media URL')
return [None] return [None]
mediaURL = mobj.group(1).replace('\\', '') mediaURL = mobj.group(1).replace('\\', '')
mobj = re.search(r'(?m)"gdaKey":"(.*?)"', webpage) mobj = re.search(r'(?m)"gdaKey":"(.*?)"', webpage)
if mobj is None: if mobj is None:
self.to_stderr(u'ERROR: unable to extract gdaKey') self._downloader.to_stderr(u'ERROR: unable to extract gdaKey')
return [None] return [None]
gdaKey = mobj.group(1) gdaKey = mobj.group(1)
@ -739,13 +728,13 @@ class MetacafeIE(InfoExtractor):
mobj = re.search(r'(?im)<title>(.*) - Video</title>', webpage) mobj = re.search(r'(?im)<title>(.*) - Video</title>', webpage)
if mobj is None: if mobj is None:
self.to_stderr(u'ERROR: unable to extract title') self._downloader.to_stderr(u'ERROR: unable to extract title')
return [None] return [None]
video_title = mobj.group(1).decode('utf-8') video_title = mobj.group(1).decode('utf-8')
mobj = re.search(r'(?m)<li id="ChnlUsr">.*?Submitter:<br />(.*?)</li>', webpage) mobj = re.search(r'(?m)<li id="ChnlUsr">.*?Submitter:<br />(.*?)</li>', webpage)
if mobj is None: if mobj is None:
self.to_stderr(u'ERROR: unable to extract uploader nickname') self._downloader.to_stderr(u'ERROR: unable to extract uploader nickname')
return [None] return [None]
video_uploader = re.sub(r'<.*?>', '', mobj.group(1)) video_uploader = re.sub(r'<.*?>', '', mobj.group(1))
@ -779,7 +768,7 @@ class YoutubeSearchIE(InfoExtractor):
def report_download_page(self, query, pagenum): def report_download_page(self, query, pagenum):
"""Report attempt to download playlist page with given number.""" """Report attempt to download playlist page with given number."""
self.to_stdout(u'[youtube] query "%s": Downloading page %s' % (query, pagenum)) self._downloader.to_stdout(u'[youtube] query "%s": Downloading page %s' % (query, pagenum))
def _real_initialize(self): def _real_initialize(self):
self._youtube_ie.initialize() self._youtube_ie.initialize()
@ -787,7 +776,7 @@ class YoutubeSearchIE(InfoExtractor):
def _real_extract(self, query): def _real_extract(self, query):
mobj = re.match(self._VALID_QUERY, query) mobj = re.match(self._VALID_QUERY, query)
if mobj is None: if mobj is None:
self.to_stderr(u'ERROR: invalid search query "%s"' % query) self._downloader.to_stderr(u'ERROR: invalid search query "%s"' % query)
return [None] return [None]
prefix, query = query.split(':') prefix, query = query.split(':')
@ -800,10 +789,10 @@ class YoutubeSearchIE(InfoExtractor):
try: try:
n = int(prefix) n = int(prefix)
if n <= 0: if n <= 0:
self.to_stderr(u'ERROR: invalid download number %s for query "%s"' % (n, query)) self._downloader.to_stderr(u'ERROR: invalid download number %s for query "%s"' % (n, query))
return [None] return [None]
elif n > self._max_youtube_results: elif n > self._max_youtube_results:
self.to_stderr(u'WARNING: ytsearch returns max %i results (you requested %i)' % (self._max_youtube_results, n)) self._downloader.to_stderr(u'WARNING: ytsearch returns max %i results (you requested %i)' % (self._max_youtube_results, n))
n = self._max_youtube_results n = self._max_youtube_results
return self._download_n_results(query, n) return self._download_n_results(query, n)
except ValueError: # parsing prefix as int fails except ValueError: # parsing prefix as int fails
@ -823,7 +812,7 @@ class YoutubeSearchIE(InfoExtractor):
try: try:
page = urllib2.urlopen(request).read() page = urllib2.urlopen(request).read()
except (urllib2.URLError, httplib.HTTPException, socket.error), err: except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self.to_stderr(u'ERROR: unable to download webpage: %s' % str(err)) self._downloader.to_stderr(u'ERROR: unable to download webpage: %s' % str(err))
return [None] return [None]
# Extract video identifiers # Extract video identifiers
@ -866,7 +855,7 @@ class YoutubePlaylistIE(InfoExtractor):
def report_download_page(self, playlist_id, pagenum): def report_download_page(self, playlist_id, pagenum):
"""Report attempt to download playlist page with given number.""" """Report attempt to download playlist page with given number."""
self.to_stdout(u'[youtube] PL %s: Downloading page #%s' % (playlist_id, pagenum)) self._downloader.to_stdout(u'[youtube] PL %s: Downloading page #%s' % (playlist_id, pagenum))
def _real_initialize(self): def _real_initialize(self):
self._youtube_ie.initialize() self._youtube_ie.initialize()
@ -875,7 +864,7 @@ class YoutubePlaylistIE(InfoExtractor):
# Extract playlist id # Extract playlist id
mobj = re.match(self._VALID_URL, url) mobj = re.match(self._VALID_URL, url)
if mobj is None: if mobj is None:
self.to_stderr(u'ERROR: invalid url: %s' % url) self._downloader.to_stderr(u'ERROR: invalid url: %s' % url)
return [None] return [None]
# Download playlist pages # Download playlist pages
@ -889,7 +878,7 @@ class YoutubePlaylistIE(InfoExtractor):
try: try:
page = urllib2.urlopen(request).read() page = urllib2.urlopen(request).read()
except (urllib2.URLError, httplib.HTTPException, socket.error), err: except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self.to_stderr(u'ERROR: unable to download webpage: %s' % str(err)) self._downloader.to_stderr(u'ERROR: unable to download webpage: %s' % str(err))
return [None] return [None]
# Extract video identifiers # Extract video identifiers
@ -930,15 +919,6 @@ class PostProcessor(object):
def __init__(self, downloader=None): def __init__(self, downloader=None):
self._downloader = downloader self._downloader = downloader
def to_stdout(self, message):
"""Print message to stdout if downloader is not in quiet mode."""
if self._downloader is None or not self._downloader.params.get('quiet', False):
print message
def to_stderr(self, message):
"""Print message to stderr."""
print >>sys.stderr, message
def set_downloader(self, downloader): def set_downloader(self, downloader):
"""Sets the downloader for this PP.""" """Sets the downloader for this PP."""
self._downloader = downloader self._downloader = downloader