Added --get-filesize option

README.md

@@ -170,6 +170,7 @@ which means you can modify it, redistribute it or use it however you like.
     --get-duration                   simulate, quiet but print video length
     --get-filename                   simulate, quiet but print output filename
     --get-format                     simulate, quiet but print output format
+    --get-filesize                   simulate, quiet but print video filesize
     -j, --dump-json                  simulate, quiet but print JSON information
     --newline                        output progress bar as new lines
     --no-progress                    do not print progress bar

youtube_dl/YoutubeDL.py

@@ -159,7 +159,7 @@ class YoutubeDL(object):
     The following parameters are not used by YoutubeDL itself, they are used by
     the FileDownloader:
     nopart, updatetime, buffersize, ratelimit, min_filesize, max_filesize, test,
-    noresizebuffer, retries, continuedl, noprogress, consoletitle
+    noresizebuffer, retries, continuedl, noprogress, consoletitle, get_filesize
 
     The following options are used by the post processors:
     prefer_ffmpeg:     If True, use ffmpeg instead of avconv if both are available,

youtube_dl/__init__.py

@@ -377,6 +377,9 @@ def parseOpts(overrideArguments=None):
     verbosity.add_option('--get-format',
             action='store_true', dest='getformat',
             help='simulate, quiet but print output format', default=False)
+    verbosity.add_option('--get-filesize',
+            action='store_true', dest='get_filesize',
+            help='simulate, quiet but print video filesize', default=False)
     verbosity.add_option('-j', '--dump-json',
             action='store_true', dest='dumpjson',
             help='simulate, quiet but print JSON information', default=False)
@@ -685,7 +688,7 @@ def _real_main(argv=None):
         'username': opts.username,
         'password': opts.password,
         'videopassword': opts.videopassword,
-        'quiet': (opts.quiet or any_printing),
+        'quiet': (opts.quiet or any_printing or opts.get_filesize),
         'forceurl': opts.geturl,
         'forcetitle': opts.gettitle,
         'forceid': opts.getid,
@@ -740,6 +743,7 @@ def _real_main(argv=None):
         'keepvideo': opts.keepvideo,
         'min_filesize': opts.min_filesize,
         'max_filesize': opts.max_filesize,
+        'get_filesize': opts.get_filesize,
         'min_views': opts.min_views,
         'max_views': opts.max_views,
         'daterange': date,

youtube_dl/downloader/common.py

@@ -37,6 +37,7 @@ class FileDownloader(object):
     test:              Download only first bytes to test the downloader.
     min_filesize:      Skip files smaller than this size
     max_filesize:      Skip files larger than this size
+    get_filesize:      Simulate quietly and print video filesize
 
     Subclasses of this one must re-define the real_download method.
     """

youtube_dl/downloader/http.py

@@ -97,6 +97,9 @@ class HttpFD(FileDownloader):
             return False
 
         data_len = data.info().get('Content-length', None)
+        if self.params.get('get_filesize', False):
+            print data_len
+            return True
         if data_len is not None:
             data_len = int(data_len) + resume_len
             min_data_len = self.params.get("min_filesize", None)