Put the downloader in full control of output messages

15 years ago · 3aaf887e98
1 changed files with 37 additions and 57 deletions
--- a/94
+++ b/94
@ -419,15 +419,6 @@ class InfoExtractor(object):
 		"""Sets the downloader for this IE."""
 		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):
 		"""Real initialization process. Redefine in subclasses."""
 		pass
@ -474,27 +465,27 @@ class YoutubeIE(InfoExtractor):

 	def report_lang(self):
 		"""Report attempt to set language."""
-		self.to_stdout(u'[youtube] Setting language')
+		self._downloader.to_stdout(u'[youtube] Setting language')

 	def report_login(self):
 		"""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):
 		"""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):
 		"""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):
 		"""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):
 		"""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):
 		if self._downloader is None:
@ -517,7 +508,7 @@ class YoutubeIE(InfoExtractor):
 				else:
 					raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE)
 			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

 		# Set language
@ -526,7 +517,7 @@ class YoutubeIE(InfoExtractor):
 			self.report_lang()
 			urllib2.urlopen(request).read()
 		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

 		# No authentication to be performed
@ -546,10 +537,10 @@ class YoutubeIE(InfoExtractor):
 			self.report_login()
 			login_results = urllib2.urlopen(request).read()
 			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
 		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
 	
 		# Confirm age
@ -562,14 +553,14 @@ class YoutubeIE(InfoExtractor):
 			self.report_age_confirmation()
 			age_results = urllib2.urlopen(request).read()
 		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

 	def _real_extract(self, url):
 		# Extract video id from URL
 		mobj = re.match(self._VALID_URL, url)
 		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]
 		video_id = mobj.group(2)

@ -578,8 +569,6 @@ class YoutubeIE(InfoExtractor):
 		if self._downloader is not None:
 			params = self._downloader.params
 			format_param = params.get('format', None)
-		if format_param is None:
-			format_param = '34'

 		# Extension
 		video_extension = {
@ -597,14 +586,14 @@ class YoutubeIE(InfoExtractor):
 			self.report_webpage_download(video_id)
 			video_webpage = urllib2.urlopen(request).read()
 		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]
 		self.report_information_extraction(video_id)
 		
 		# "t" param
 		mobj = re.search(r', "t": "([^"]+)"', video_webpage)
 		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]
 		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:
@ -614,14 +603,14 @@ class YoutubeIE(InfoExtractor):
 		# uploader
 		mobj = re.search(r"var watchUsername = '([^']+)';", video_webpage)
 		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]
 		video_uploader = mobj.group(1)

 		# title
 		mobj = re.search(r'(?im)<title>YouTube - ([^<]*)</title>', video_webpage)
 		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]
 		video_title = mobj.group(1).decode('utf-8')
 		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 = simple_title.strip(ur'_')

-		# Return information
+		# Process video information
 		return [{
 			'id':		video_id.decode('utf-8'),
 			'url':		video_real_url.decode('utf-8'),
@ -658,19 +647,19 @@ class MetacafeIE(InfoExtractor):

 	def report_disclaimer(self):
 		"""Report disclaimer retrieval."""
-		self.to_stdout(u'[metacafe] Retrieving disclaimer')
+		self._downloader.to_stdout(u'[metacafe] Retrieving disclaimer')

 	def report_age_confirmation(self):
 		"""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):
 		"""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):
 		"""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):
 		# Retrieve disclaimer
@ -679,7 +668,7 @@ class MetacafeIE(InfoExtractor):
 			self.report_disclaimer()
 			disclaimer = urllib2.urlopen(request).read()
 		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

 		# Confirm age
@ -692,14 +681,14 @@ class MetacafeIE(InfoExtractor):
 			self.report_age_confirmation()
 			disclaimer = urllib2.urlopen(request).read()
 		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
 	
 	def _real_extract(self, url):
 		# Extract id and simplified title from URL
 		mobj = re.match(self._VALID_URL, url)
 		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]

 		video_id = mobj.group(1)
@ -718,20 +707,20 @@ class MetacafeIE(InfoExtractor):
 			self.report_download_webpage(video_id)
 			webpage = urllib2.urlopen(request).read()
 		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]

 		# Extract URL, uploader and title from webpage
 		self.report_extraction(video_id)
 		mobj = re.search(r'(?m)"mediaURL":"(http.*?\.flv)"', webpage)
 		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]
 		mediaURL = mobj.group(1).replace('\\', '')

 		mobj = re.search(r'(?m)"gdaKey":"(.*?)"', webpage)
 		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]
 		gdaKey = mobj.group(1)

@ -739,13 +728,13 @@ class MetacafeIE(InfoExtractor):

 		mobj = re.search(r'(?im)<title>(.*) - Video</title>', webpage)
 		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]
 		video_title = mobj.group(1).decode('utf-8')

 		mobj = re.search(r'(?m)<li id="ChnlUsr">.*?Submitter:<br />(.*?)</li>', webpage)
 		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]
 		video_uploader = re.sub(r'<.*?>', '', mobj.group(1))

@ -779,7 +768,7 @@ class YoutubeSearchIE(InfoExtractor):

 	def report_download_page(self, query, pagenum):
 		"""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):
 		self._youtube_ie.initialize()
@ -787,7 +776,7 @@ class YoutubeSearchIE(InfoExtractor):
 	def _real_extract(self, query):
 		mobj = re.match(self._VALID_QUERY, query)
 		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]

 		prefix, query = query.split(':')
@ -800,10 +789,10 @@ class YoutubeSearchIE(InfoExtractor):
 			try:
 				n = int(prefix)
 				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]
 				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
 				return self._download_n_results(query, n)
 			except ValueError: # parsing prefix as int fails
@ -823,7 +812,7 @@ class YoutubeSearchIE(InfoExtractor):
 			try:
 				page = urllib2.urlopen(request).read()
 			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]

 			# Extract video identifiers
@ -866,7 +855,7 @@ class YoutubePlaylistIE(InfoExtractor):

 	def report_download_page(self, playlist_id, pagenum):
 		"""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):
 		self._youtube_ie.initialize()
@ -875,7 +864,7 @@ class YoutubePlaylistIE(InfoExtractor):
 		# Extract playlist id
 		mobj = re.match(self._VALID_URL, url)
 		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]

 		# Download playlist pages
@ -889,7 +878,7 @@ class YoutubePlaylistIE(InfoExtractor):
 			try:
 				page = urllib2.urlopen(request).read()
 			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]

 			# Extract video identifiers
@ -930,15 +919,6 @@ class PostProcessor(object):
 	def __init__(self, downloader=None):
 		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):
 		"""Sets the downloader for this PP."""
 		self._downloader = downloader