From: Fredrik Tolf <fredrik@dolda2000.com>
Date: Sun, 5 May 2013 00:16:21 +0000 (+0200)
Subject: Added a fileno function on imgstreams, for polling.
X-Git-Url: http://git.dolda2000.com/gitweb/?a=commitdiff_plain;h=af7300680e36fb1280cf248b897069ae5af18b08;p=automanga.git

Added a fileno function on imgstreams, for polling.
---

diff --git a/manga/lib.py b/manga/lib.py
index e7c531c..8ec9c2e 100644
--- a/manga/lib.py
+++ b/manga/lib.py
@@ -123,6 +123,12 @@ class imgstream(object):
     def __exit__(self, *exc_info):
         self.close()
 
+    def fileno(self):
+        """If reading the imgstream may block, fileno() should return
+        a file descriptor that can be polled. If fileno() returns
+        None, that should mean that reading will not block."""
+        return None
+
     def close(self):
         """Close this stream."""
         raise NotImplementedError()
diff --git a/manga/mangafox.py b/manga/mangafox.py
index 8da9e10..339ed5e 100644
--- a/manga/mangafox.py
+++ b/manga/mangafox.py
@@ -8,6 +8,9 @@ class imgstream(lib.imgstream):
         self.bk = urllib.urlopen(url)
         self.ctype = self.bk.info()["Content-Type"]
 
+    def fileno(self):
+        return self.bk.fileno()
+
     def close(self):
         self.bk.close()