updates to makedist.py and set_version.py

set_version.py: add --dry-run option
set_version.py: update regexes to match only start of the line
set_version.py: recognize 'dev' as a version
makedist.py: use --version option instead of argument
makedist.py: show git branch

util/makedist.py

@@ -55,15 +55,11 @@ def makedist(*args, **kwargs):
         os.chdir(cwd)
 
 
-def _makedist(version='dev', dest=None):
+def _makedist(version=None, dest=None):
     assert exists('gevent/__init__.py'), 'Where am I?'
     basedir = abspath(os.getcwd())
-
-    if version.lower() == 'dev':
-        set_version_command = 'util/set_version.py gevent/__init__.py'
-    else:
-        set_version_command = 'util/set_version.py --version %s gevent/__init__.py' % version
-
+    version = version or 'dev'
+    set_version_command = 'util/set_version.py --version %s ./gevent/__init__.py' % version
     os.chdir('/tmp')
     system('rm -fr ' + TMPDIR)
     os.mkdir(TMPDIR)
@@ -75,6 +71,7 @@ def _makedist(version='dev', dest=None):
     assert len(directory) == 1, directory
 
     os.chdir(directory[0])
+    system('git branch')
     system(set_version_command)
     system('git diff', noisy=False)
     system('python setup.py -q sdist')
@@ -99,12 +96,10 @@ def _makedist(version='dev', dest=None):
 def main():
     parser = optparse.OptionParser()
     parser.add_option('--dest')
+    parser.add_option('--version')
     options, args = parser.parse_args()
-
-    if len(args) != 1:
-        sys.exit('Expected one argument: version (could be "dev").')
-
-    return makedist(args[0], dest=options.dest)
+    assert not args, 'Expected no arguments'
+    return makedist(options.version, dest=options.dest)
 
 
 def copy(source, dest):

util/set_version.py

@@ -12,8 +12,8 @@ from optparse import OptionParser
 from distutils.version import LooseVersion
 
 
-version_re = re.compile("__version__\s*=\s*'([^']+)'", re.M)
-version_info_re = re.compile(r"version_info\s*=\s*([^\n]+)")
+version_re = re.compile("^__version__\s*=\s*'([^']+)'", re.M)
+version_info_re = re.compile(r"^version_info\s*=\s*([^\n]+)", re.M)
 strict_version_re = re.compile(r'^(\d+) \. (\d+) (\. (\d+))? ([ab](\d+))?$', re.VERBOSE)
 
 
@@ -129,14 +129,23 @@ def write(filename, data):
 def main():
     global options
     parser = OptionParser()
-    parser.add_option('--version')
+    parser.add_option('--version', default='dev')
+    parser.add_option('--dry-run', action='store_true')
     options, args = parser.parse_args()
-    if options.version:
-        if strict_version_re.match(options.version) is None:
-            sys.exit('Not a strict version: %r (bdist_msi will fail)' % options.version)
-    assert len(args) == 1, args
+    assert len(args) == 1, 'One argument is expected, got %s' % len(args)
+    version = options.version
+    if version.lower() == 'dev':
+        version = ''
+    if version and strict_version_re.match(version) is None:
+        sys.stderr.write('WARNING: Not a strict version: %r (bdist_msi will fail)' % version)
     filename = args[0]
-    original_content, new_content = modify_version(filename, options.version)
+    original_content, new_content = modify_version(filename, version)
+    if options.dry_run:
+        tmpname = '/tmp/' + os.path.basename(filename) + '.set_version'
+        write(tmpname, new_content)
+        if not os.system('diff -u %s %s' % (filename, tmpname)):
+            sys.exit('No differences applied')
+    else:
         write(filename, new_content)
         print 'Updated %s' % filename