Put the downloader in full control of output messages

diff --git a/youtube-dl b/youtube-dl
index 5c3746b54110aceff9addbd2e4e12f4e299de206..cedbf5977667d2100fe27184a222f00908be8f4c 100755 (executable)
--- a/youtube-dl
+++ b/youtube-dl
@@ -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