* mirrors:// support added.

----

mirrors.conf example:

faik@iago ~ $ cat /etc/pisi/mirrors.conf
# Sourceforge mirrors
sourceforge      http://pardus.dl.sourceforge.net/sourceforge
sourceforge      http://easynews.dl.sourceforge.net/sourceforge

# Gnu mirrors
gnu              ftp://mirrors.hbi.co.jp/gnu
gnu              ftp://core.ring.gr.jp/pub/GNU
gnu              ftp://mirror.aarnet.edu.au/pub/gnu

# Local mirrors
local            http://192.168.3.8

----

pspec.xml line example:

<Archive ... >mirrors://sourceforge/cracklib/cracklib-2.8.9.tar.gz</Archive>

----

Output example:

Kaynak system.base bileşeninin parçası
Kaynak mirrors://sourceforge/cracklib/cracklib-2.8.9.tar.gz adresinden indiriliyor
Fetching source from mirror: http://pardus.dl.sourceforge.net/sourceforge/cracklib/cracklib-2.8.9.tar.gz
Fetching source from mirror: http://easynews.dl.sourceforge.net/sourceforge/cracklib/cracklib-2.8.9.tar.gz
cracklib-2.8.9.tar.gz          (562.0 KB)100%     72.42 KB/s [00:00:00] [bitti]
Kaynak arşivi saklandı:  /var/cache/pisi/archives/cracklib-2.8.9.tar.gz
Arşiv açılıyor... açıldı (/var/tmp/pisi/cracklib-2.8.9-3/work)

pisi/constants.py

@@ -78,6 +78,7 @@ class Constants:
         self.__c.metadata_xml = "metadata.xml"
         self.__c.install_tar = "install.tar"
         self.__c.install_tar_lzma = "install.tar.lzma"
+        self.__c.mirrors_conf = "/etc/pisi/mirrors.conf"
 
         #file/directory permissions
         self.__c.umask = 0022

pisi/mirrors.py

@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2006, TUBITAK/UEKAE
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free
+# Software Foundation; either version 2 of the License, or (at your option)
+# any later version.
+#
+# Please read the COPYING file.
+
+import os.path
+import pisi.context as ctx
+from pisi import Error
+
+import gettext
+__trans = gettext.translation('pisi', fallback=True)
+_ = __trans.ugettext
+
+class Mirrors:
+    def __init__(self, config=ctx.const.mirrors_conf):
+        self.mirrors = {}
+        self._parse(config)
+
+    def get_mirrors(self, name):
+        if self.mirrors.has_key(name):
+            return list(self.mirrors[name])
+
+        return None
+
+    def _add_mirror(self, name, url):
+        if self.mirrors.has_key(name):
+            self.mirrors[name].append(url)
+        else:
+            self.mirrors[name] = [url]
+
+    def _parse(self, config):
+        if os.path.exists(config):
+            for line in open(config, "r").readlines():
+                if not line.startswith('#') and not line == '\n':
+                  mirror = line.strip().split()
+                  if len(mirror) == 2:
+                      (name, url) = mirror
+                      self._add_mirror(name, url)
+        else:
+            raise Error(_('Mirrors file %s does not exist. Could not resolve mirrors://') % config)
+

pisi/sourcearchive.py

@@ -28,6 +28,7 @@ import pisi.context as ctx
 from pisi.archive import Archive
 from pisi.uri import URI
 from pisi.fetcher import fetch_url
+from pisi.mirrors import Mirrors
 
 class Error(pisi.Error):
     pass
@@ -44,21 +45,48 @@ class SourceArchive:
     def fetch(self, interactive=True):
         if not self.is_cached(interactive):
             if interactive:
-                progress = ctx.ui.Progress
+                self.progress = ctx.ui.Progress
             else:
-                progress = None
+                self.progress = None
+
             try:
-                fetch_url(self.url, ctx.config.archives_dir(), progress)
+                if self.url.get_uri().startswith("mirrors://"):
+                    self.fetch_from_mirror()
+                else:
+                    fetch_url(self.url, ctx.config.archives_dir(), self.progress)
             except pisi.fetcher.FetchError:
-                # if archive can not be reached from the url, try the fallback 
-                # address.
                 if ctx.config.values.build.fallback:
-                    archive = basename(self.url.get_uri())
-                    src = join(ctx.config.values.build.fallback, archive)
-                    fetch_url(src, ctx.config.archives_dir(), progress)
+                    self.fetch_from_fallback()
                 else:
                     raise
 
+    def fetch_from_fallback(self):
+        archive = basename(self.url.get_uri())
+        src = join(ctx.config.values.build.fallback, archive)
+        ctx.ui.warning(_('Trying fallback address: %s') % src)
+        fetch_url(src, ctx.config.archives_dir(), self.progress)
+
+    def fetch_from_mirror(self):
+        uri = self.url.get_uri()
+        sep = uri[len("mirrors://"):].split("/")
+        name = sep.pop(0)
+        archive = "/".join(sep)
+
+        mirrors = Mirrors().get_mirrors(name)
+        if not mirrors:
+            raise Error(_("%s mirrors are not defined.") % name)
+
+        for mirror in mirrors:
+            try:
+                url = join(mirror, archive)
+                ctx.ui.warning(_('Fetching source from mirror: %s') % url)
+                fetch_url(url, ctx.config.archives_dir(), self.progress)
+                return
+            except pisi.fetcher.FetchError:
+                pass
+
+        raise pisi.fetcher.FetchError(_('Could not fetch source from %s mirrors.') % name);
+
     def is_cached(self, interactive=True):
         if not access(self.archiveFile, R_OK):
             return False