[CalendarServer-changes] [470] CalendarServer/trunk/patchmaker.py

[source_changes at macosforge.org]

Revision: 470
          http://trac.macosforge.org/projects/calendarserver/changeset/470
Author:   cdaboo at apple.com
Date:     2006-11-15 11:46:32 -0800 (Wed, 15 Nov 2006)

Log Message:
-----------
Python script to generate patch files for other projects we depend on. Still a work in progress.

Added Paths:
-----------
    CalendarServer/trunk/patchmaker.py

Added: CalendarServer/trunk/patchmaker.py
===================================================================
--- CalendarServer/trunk/patchmaker.py	                        (rev 0)
+++ CalendarServer/trunk/patchmaker.py	2006-11-15 19:46:32 UTC (rev 470)
@@ -0,0 +1,103 @@
+#!/usr/bin/env python
+
+##
+# Copyright (c) 2005-2006 Apple Computer, Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# DRI: Cyrus Daboo, cdaboo at apple.com
+##
+
+import os
+import sys
+
+#
+# Create a new set of patch files for dependent projects.
+#
+
+#projects = ("Twisted", "vobject", "dateutil", "xattr")
+projects = ("Twisted",)
+cwd = os.getcwd()
+libpatches = os.path.join(cwd, "lib-patches")
+
+svn = "/usr/local/subversion/bin/svn"
+
+def makepatches(project):
+    
+    # First delete existing patch files.
+    path = os.path.join(libpatches, project)
+    print "Removing patches from directory: %s" % (path,)
+    for file in os.listdir(path):
+        fpath = os.path.join(path, file)
+        if os.path.isfile(fpath):
+            os.remove(fpath)
+    
+    # Now execute svn status to find files needing to be patched.
+    os.system("%s status ../%s > temppatch" % (svn, project))
+    
+    f = open("temppatch")
+    for line in f:
+        
+        # We are only interested in new files and modified files.
+        if line and line[0] == "?":
+            new = True
+        elif line and line[0] == "M":
+            new = False
+        else:
+            continue
+        
+        # Ignore files ending in .pyc and file names starting with ".".
+        line = line[1:]
+        line = line.strip()
+        if line.endswith(".pyc"):
+            continue
+        if os.path.basename(line)[0] == ".":
+            continue
+        
+        # Generate the name of the patch file we want to create.
+        patch = line[:line.rfind(".")]
+        patch = patch[3 + len(project) + 1:]
+        patch = patch.replace(os.sep, ".") + ".patch"
+        patch = os.path.join(path, patch)
+
+        print ("Creating diff file %s for existing file %s", "Creating diff file %s for new file %s")[new] % (patch, line)
+        
+        # Generate an svn diff.
+        # NB For new files we have to first add them then do the diff, then revert,
+        # otherwise svn diff complains about an unversioned resource.
+        if new:
+            os.system("%s add %s" % (svn, line))
+        os.system("%s diff %s > tempdiff" % (svn, line))
+        if new:
+            os.system("%s revert %s" % (svn, line))
+        
+        # Now replace the directory prefix in the diff output and write to the actual patch file.
+        repl = "../%s/" % (project,)
+        fin = open("tempdiff")
+        fout = open(patch, 'w')
+        for line2 in fin:
+            fout.write(line2.replace(repl, ""))
+        fout.close()
+        fin.close()
+        os.remove("tempdiff")
+        
+    f.close()
+    os.remove("temppatch")
+    
+if __name__ == "__main__":
+
+    try:
+        for project in projects:
+            makepatches(project)
+    except Exception, e:
+        sys.exit(str(e))

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