script to help with building releases

release.py

+#! /usr/bin/env python
+"""Update version numbers and release dates for the next release.
+
+usage: release.py version date
+
+version should be a string like "3.2c1"
+date should be a string like "23-Sep-2003"
+
+The following files are updated:
+    - setup.py gets a version number
+"""
+
+import fileinput
+import os
+import re
+
+def fixpath(path):
+    parts = path.split("/")
+    return os.sep.join(parts)
+
+def replace(filename, pat, repl):
+    parts = filename.split("/")
+    filename = os.sep.join(parts)
+    for line in fileinput.input([filename], inplace=True, backup="~"):
+        print re.sub(pat, repl, line),
+
+def compute_zeoversion(version):
+    # ZEO version's trail ZODB versions by one full revision.
+    # ZODB 3.2c1 corresponds to ZEO 2.2c1
+    major, rest = version.split(".", 1)
+    major = int(major) - 1
+    return "%s.%s" % (major, rest)
+
+def write_zeoversion(path, version):
+    f = open(fixpath(path), "wb")
+    print >> f, version
+    f.close()
+
+def main(args):
+    version, date = args
+    zeoversion = compute_zeoversion(version)
+
+    replace("src/setup.py", 'version="\S+"', 'version="%s"' % version)
+    replace("src/README.txt", "'\d+\.\d+[a-z]?\d*'", "'%s'" % version)
+    replace("src/ZODB/__init__.py",
+            "__version__ = '\S+'", "__version__ = '%s'" % version)
+    replace("src/ZEO/__init__.py",
+            'version = "\S+"', 'version = "%s"' % zeoversion)
+    write_zeoversion("src/ZEO/version.txt", zeoversion)
+    replace("src/NEWS.txt",
+            "Release date: XX-\S+-\S+", "Release date: %s" % date)
+
+if __name__ == "__main__":
+    import sys
+    main(sys.argv[1:])