bitbake: copy bb.fetch to bb.fetch2 as initial code base for fetcher overhaul

Signed-off-by: Yu Ke <ke.yu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 73 insertions, 0 deletions

diff --git a/bitbake/lib/bb/fetch2/local.py b/bitbake/lib/bb/fetch2/local.py
new file mode 100644
index 000000000..6aa9e4576
--- /dev/null
+++ b/bitbake/lib/bb/fetch2/local.py
@@ -0,0 +1,73 @@
+# ex:ts=4:sw=4:sts=4:et
+# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
+"""
+BitBake 'Fetch' implementations
+
+Classes for obtaining upstream sources for the
+BitBake build tools.
+
+"""
+
+# Copyright (C) 2003, 2004  Chris Larson
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Based on functions from the base bb module, Copyright 2003 Holger Schurig
+
+import os
+import bb
+import bb.utils
+from   bb import data
+from   bb.fetch import Fetch
+
+class Local(Fetch):
+    def supports(self, url, urldata, d):
+        """
+        Check to see if a given url represents a local fetch.
+        """
+        return urldata.type in ['file']
+
+    def localpath(self, url, urldata, d):
+        """
+        Return the local filename of a given url assuming a successful fetch.
+        """
+        path = url.split("://")[1]
+        path = path.split(";")[0]
+        newpath = path
+        if path[0] != "/":
+            filespath = data.getVar('FILESPATH', d, 1)
+            if filespath:
+                newpath = bb.utils.which(filespath, path)
+            if not newpath:
+                filesdir = data.getVar('FILESDIR', d, 1)
+                if filesdir:
+                    newpath = os.path.join(filesdir, path)
+        # We don't set localfile as for this fetcher the file is already local!
+        return newpath
+
+    def go(self, url, urldata, d):
+        """Fetch urls (no-op for Local method)"""
+        # no need to fetch local files, we'll deal with them in place.
+        return 1
+
+    def checkstatus(self, url, urldata, d):
+        """
+        Check the status of the url
+        """
+        if urldata.localpath.find("*") != -1:
+            logger.info("URL %s looks like a glob and was therefore not checked.", url)
+            return True
+        if os.path.exists(urldata.localpath):
+            return True
+        return False