1 files changed, 22 insertions, 17 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 1f3bfef7d..7426e2a1f 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -35,7 +35,6 @@ import zlib
 from .compat import (
     compat_basestring,
     compat_chr,
-    compat_getenv,
     compat_html_entities,
     compat_http_client,
     compat_parse_qs,
@@ -306,6 +305,7 @@ def sanitize_filename(s, restricted=False, is_id=False):
             result = result[2:]
         if result.startswith('-'):
             result = '_' + result[len('-'):]
+        result = result.lstrip('.')
         if not result:
             result = '_'
     return result
@@ -1173,22 +1173,6 @@ def parse_filesize(s):
     return int(float(num_str) * mult)
 
 
-def get_term_width():
-    columns = compat_getenv('COLUMNS', None)
-    if columns:
-        return int(columns)
-
-    try:
-        sp = subprocess.Popen(
-            ['stty', 'size'],
-            stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-        out, err = sp.communicate()
-        return int(out.split()[1])
-    except:
-        pass
-    return None
-
-
 def month_by_name(name):
     """ Return the number of a month by (locale-independently) English name """
 
@@ -1784,3 +1768,24 @@ def match_filter_func(filter_str):
             video_title = info_dict.get('title', info_dict.get('id', 'video'))
             return '%s does not pass filter %s, skipping ..' % (video_title, filter_str)
     return _match_func
+
+
+class PerRequestProxyHandler(compat_urllib_request.ProxyHandler):
+    def __init__(self, proxies=None):
+        # Set default handlers
+        for type in ('http', 'https'):
+            setattr(self, '%s_open' % type,
+                    lambda r, proxy='__noproxy__', type=type, meth=self.proxy_open:
+                        meth(r, proxy, type))
+        return compat_urllib_request.ProxyHandler.__init__(self, proxies)
+
+    def proxy_open(self, req, proxy, type):
+        req_proxy = req.headers.get('Ytdl-request-proxy')
+        if req_proxy is not None:
+            proxy = req_proxy
+            del req.headers['Ytdl-request-proxy']
+
+        if proxy == '__noproxy__':
+            return None  # No Proxy
+        return compat_urllib_request.ProxyHandler.proxy_open(
+            self, req, proxy, type)