Add a tool to publish packages in the repo to pub.

Review URL: https://codereview.chromium.org//11415191

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@15490 260f80e4-7a28-3924-810f-c04153c831b5

tools/publish_pkg.py

@@ -0,0 +1,88 @@
+#!/usr/bin/env python
+#
+# Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+# for details. All rights reserved. Use of this source code is governed by a
+# BSD-style license that can be found in the LICENSE file.
+#
+# Script to push a package to pub. 
+#
+# Usage: publish_pkg.py pkg_dir
+
+
+import os
+import os.path
+import re
+import shutil
+import sys
+import subprocess
+import tempfile
+
+def ReplaceInFiles(paths, subs):
+  '''Reads a series of files, applies a series of substitutions to each, and
+     saves them back out. subs should be a list of (pattern, replace) tuples.'''
+  for path in paths:
+    contents = open(path).read()
+    for pattern, replace in subs:
+      contents = re.sub(pattern, replace, contents)
+
+    dest = open(path, 'w')
+    dest.write(contents)
+    dest.close()
+
+
+def ReadVersion(file, field):
+  for line in open(file).read().split('\n'):
+    [k, v] = re.split('\s+', line)
+    if field == k:
+      return int(v)
+  
+def Main(argv):
+  HOME = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
+
+  versionFile = os.path.join(HOME, 'tools', 'VERSION')
+  major = ReadVersion(versionFile, 'MAJOR')
+  minor = ReadVersion(versionFile, 'MINOR')
+  build = ReadVersion(versionFile, 'BUILD')
+  patch = ReadVersion(versionFile, 'PATCH')
+  
+  if major == 0 and minor <= 1:
+    print 'Error: Do not run this script from a bleeding_edge checkout.'
+    return -1
+
+  version = '%d.%d.%d+%d' % (major, minor, build, patch)
+
+  tmpDir = tempfile.mkdtemp()
+  pkgName = argv[1].split('/').pop()
+  shutil.copytree(os.path.join(HOME, argv[1]), 
+                  os.path.join(tmpDir, pkgName))
+
+  # Add version to pubspec file.
+  pubspec = os.path.join(tmpDir, pkgName, 'pubspec.yaml')
+  pubspecFile = open(pubspec)
+  lines = pubspecFile.readlines()
+  pubspecFile.close()
+  pubspecFile = open(pubspec, 'w')
+  foundVersion = False
+  for line in lines:
+    if line.startswith('version:'):
+      foundVersion = True
+    if line.startswith('description:') and not foundVersion:
+      pubspecFile.write('version: ' + version + '\n')
+    if not line.startswith('    sdk:'):
+      pubspecFile.write(line)
+  pubspecFile.close()
+      
+  # Replace '../*/pkg' imports and parts.
+  for root, dirs, files in os.walk(os.path.join(tmpDir, pkgName)):
+    for name in files:
+      if name.endswith('.dart'):
+        ReplaceInFiles([os.path.join(root, name)], 
+            [(r'(import|part)(\s+)(\'|")(\.\./)+pkg/', r'\1\2\3package:')])
+  
+  print 'publishing version ' + version + ' of ' + argv[1] + ' to pub\n'
+  print tmpDir
+  subprocess.call(['pub', 'publish'], cwd=os.path.join(tmpDir, pkgName))
+  shutil.rmtree(tmpDir)
+
+if __name__ == '__main__':
+  sys.exit(Main(sys.argv))