--- fetcher.py.old	Fri Nov 30 00:47:35 2007
+++ fetcher.py	Fri Nov 30 02:35:05 2007
@@ -99,13 +99,13 @@ class UIHandler:
 class Fetcher:
     """Fetcher can fetch a file from various sources using various
     protocols."""
-    def __init__(self, url, destdir):
+    def __init__(self, url, destdir,wait=False):
         if not isinstance(url, pisi.uri.URI):
             url = pisi.uri.URI(url)
 
         if ctx.config.get_option("authinfo"):
             url.set_auth_info(ctx.config.get_option("authinfo"))
-
+        self.waitUntilConnection = wait
         self.url      = url
         self.destdir  = destdir
         self.archive_file = os.path.join(self.destdir, self.url.filename())
@@ -144,7 +144,15 @@ class Fetcher:
                            reget        = self._test_range_support(),
                            user_agent   = 'PiSi Fetcher/' + pisi.__version__)
         except urlgrabber.grabber.URLGrabError, e:
-            raise FetchError(_('Could not fetch destination file "%s": %s') % (self.archive_file, e))
+            if self.checkInternetConnection():
+                raise FetchError(_('Could not fetch destination file "%s": %s') % (self.archive_file, e))
+            else:
+                if self.waitUntilConnection:
+                    print "D: 5 sn sonra tekrar denenecek"
+                    time.sleep(5)
+                    self.fetch()
+                else:
+                    raise FetchError(_('Check whether got a stable internet connection or not'))
 
         if os.stat(self.partial_file).st_size == 0:
             os.remove(self.partial_file)
@@ -192,25 +200,43 @@ class Fetcher:
             return 1024 * int(bandwidth_limit)
         else:
             return 0
+        
+    def checkInternetConnection(self):
+        import urllib2
+        try:
+            file_obj = urllib2.urlopen("http://www.pardus.org.tr/resim/tubitak-uekae.png")
+            file_obj.close()
+            return True
+        except:
+            return False
 
     def _test_range_support(self):
         if not os.path.exists(self.partial_file):
             return None
 
         import urllib2
-        file_obj = urllib2.urlopen(urllib2.Request(self.url.get_uri()))
-        headers = file_obj.info()
-        file_obj.close()
-        if headers.has_key('Content-Length'):
-            return 'check_timestamp'
+        if self.checkInternetConnection():
+            file_obj = urllib2.urlopen(urllib2.Request(self.url.get_uri()))
+            headers = file_obj.info()
+            file_obj.close()
+            if headers.has_key('Content-Length'):
+                return 'check_timestamp'
+            else:
+                ctx.ui.debug(_("Server doesn't support partial downloads. Previously downloaded part of the file will be over-written."))
+                os.remove(self.partial_file)
+                return None
         else:
-            ctx.ui.debug(_("Server doesn't support partial downloads. Previously downloaded part of the file will be over-written."))
-            os.remove(self.partial_file)
-            return None
-
+            if self.waitUntilConnection:
+                time.sleep(5)
+                self.fetch()
+            else:
+                raise FetchError(_('Check whether got a stable internet connection or not'))        
 
 # helper function
-def fetch_url(url, destdir, progress=None):
-    fetch = Fetcher(url, destdir)
-    fetch.progress = progress
-    fetch.fetch()
+def fetch_url(url, destdir, progress=None,wait=False):
+    fetch = Fetcher(url, destdir,wait)
+    if fetch.checkInternetConnection():
+        fetch.progress = progress
+        fetch.fetch()
+    else:
+        raise FetchError(_('Check whether got a stable internet connection or not'))