Merge branch 'compat-getenv-and-expanduser' of https://github.com/dstftw/youtube...
[youtube-dl] / youtube_dl / YoutubeDL.py
index dec0e20e7907d9fcf0110d6c992f14456336580d..242affb5b8dbbc88ebf6806642a0e4e61931d0c3 100755 (executable)
@@ -24,6 +24,7 @@ if os.name == 'nt':
 
 from .utils import (
     compat_cookiejar,
+    compat_expanduser,
     compat_http_client,
     compat_str,
     compat_urllib_error,
@@ -107,6 +108,8 @@ class YoutubeDL(object):
     forcefilename:     Force printing final filename.
     forceduration:     Force printing duration.
     forcejson:         Force printing info_dict as JSON.
+    dump_single_json:  Force printing the info_dict of the whole playlist
+                       (or video) as a single JSON line.
     simulate:          Do not download the video files.
     format:            Video format code.
     format_limit:      Highest quality format to try.
@@ -165,6 +168,8 @@ class YoutubeDL(object):
                        'auto' for elaborate guessing
     encoding:          Use this encoding instead of the system-specified.
     extract_flat:      Do not resolve URLs, return the immediate result.
+                       Pass in 'in_playlist' to only show this behavior for
+                       playlist items.
 
     The following parameters are not used by YoutubeDL itself, they are used by
     the FileDownloader:
@@ -447,7 +452,7 @@ class YoutubeDL(object):
             template_dict = collections.defaultdict(lambda: 'NA', template_dict)
 
             outtmpl = self.params.get('outtmpl', DEFAULT_OUTTMPL)
-            tmpl = os.path.expanduser(outtmpl)
+            tmpl = compat_expanduser(outtmpl)
             filename = tmpl % template_dict
             return filename
         except ValueError as err:
@@ -568,8 +573,12 @@ class YoutubeDL(object):
 
         result_type = ie_result.get('_type', 'video')
 
-        if self.params.get('extract_flat', False):
-            if result_type in ('url', 'url_transparent'):
+        if result_type in ('url', 'url_transparent'):
+            extract_flat = self.params.get('extract_flat', False)
+            if ((extract_flat == 'in_playlist' and 'playlist' in extra_info) or
+                    extract_flat is True):
+                if self.params.get('forcejson', False):
+                    self.to_stdout(json.dumps(ie_result))
                 return ie_result
 
         if result_type == 'video':
@@ -897,6 +906,8 @@ class YoutubeDL(object):
         if self.params.get('forcejson', False):
             info_dict['_filename'] = filename
             self.to_stdout(json.dumps(info_dict))
+        if self.params.get('dump_single_json', False):
+            info_dict['_filename'] = filename
 
         # Do nothing else if in simulate mode
         if self.params.get('simulate', False):
@@ -1064,12 +1075,15 @@ class YoutubeDL(object):
         for url in url_list:
             try:
                 #It also downloads the videos
-                self.extract_info(url)
+                res = self.extract_info(url)
             except UnavailableVideoError:
                 self.report_error('unable to download video')
             except MaxDownloadsReached:
                 self.to_screen('[info] Maximum number of downloaded files reached.')
                 raise
+            else:
+                if self.params.get('dump_single_json', False):
+                    self.to_stdout(json.dumps(res))
 
         return self._download_retcode