Initial source commit to grit-i18n project.

grit/tool/diff_structures.py

Index: grit/tool/diff_structures.py
===================================================================
--- grit/tool/diff_structures.py	(revision 0)
+++ grit/tool/diff_structures.py	(revision 0)
@@ -0,0 +1,114 @@
+#!/usr/bin/python2.4
+# Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+'''The 'grit sdiff' tool.
+'''
+
+import os
+import getopt
+import tempfile
+
+from grit.node import structure
+from grit.tool import interface
+
+from grit import constants
+from grit import util
+
+# Builds the description for the tool (used as the __doc__
+# for the DiffStructures class).
+_class_doc = """\
+Allows you to view the differences in the structure of two files,
+disregarding their translateable content.  Translateable portions of
+each file are changed to the string "TTTTTT" before invoking the diff program
+specified by the P4DIFF environment variable.
+
+Usage: grit sdiff [-t TYPE] [-s SECTION] [-e ENCODING] LEFT RIGHT
+
+LEFT and RIGHT are the files you want to diff.  SECTION is required
+for structure types like 'dialog' to identify the part of the file to look at.
+ENCODING indicates the encoding of the left and right files (default 'cp1252').
+TYPE can be one of the following, defaults to 'tr_html':
+"""
+for gatherer in structure._GATHERERS:
+  _class_doc += " - %s\n" % gatherer
+
+
+class DiffStructures(interface.Tool):
+  __doc__ = _class_doc
+
+  def __init__(self):
+    self.section = None
+    self.left_encoding = 'cp1252'
+    self.right_encoding = 'cp1252'
+    self.structure_type = 'tr_html'
+
+  def ShortDescription(self):
+    return 'View differences without regard for translateable portions.'
+
+  def Run(self, global_opts, args):
+    (opts, args) = getopt.getopt(args, 's:e:t:',
+                                 ['left_encoding=', 'right_encoding='])
+    for key, val in opts:
+      if key == '-s':
+        self.section = val
+      elif key == '-e':
+        self.left_encoding = val
+        self.right_encoding = val
+      elif key == '-t':
+        self.structure_type = val
+      elif key == '--left_encoding':
+        self.left_encoding = val
+      elif key == '--right_encoding':
+        self.right_encoding == val
+
+    if len(args) != 2:
+      print "Incorrect usage - 'grit help sdiff' for usage details."
+      return 2
+
+    if 'P4DIFF' not in os.environ:
+      print "Environment variable P4DIFF not set; defaulting to 'windiff'."
+      diff_program = 'windiff'
+    else:
+      diff_program = os.environ['P4DIFF']
+
+    left_trans = self.MakeStaticTranslation(args[0], self.left_encoding)
+    try:
+      try:
+        right_trans = self.MakeStaticTranslation(args[1], self.right_encoding)
+
+        os.system('%s %s %s' % (diff_program, left_trans, right_trans))
+      finally:
+        os.unlink(right_trans)
+    finally:
+      os.unlink(left_trans)
+
+  def MakeStaticTranslation(self, original_filename, encoding):
+    """Given the name of the structure type (self.structure_type), the filename
+    of the file holding the original structure, and optionally the "section" key
+    identifying the part of the file to look at (self.section), creates a
+    temporary file holding a "static" translation of the original structure
+    (i.e. one where all translateable parts have been replaced with "TTTTTT")
+    and returns the temporary file name.  It is the caller's responsibility to
+    delete the file when finished.
+
+    Args:
+      original_filename: 'c:\\bingo\\bla.rc'
+
+    Return:
+      'c:\\temp\\werlkjsdf334.tmp'
+    """
+    original = structure._GATHERERS[self.structure_type].FromFile(
+      original_filename, extkey=self.section, encoding=encoding)
+    original.Parse()
+    translated = original.Translate(constants.CONSTANT_LANGUAGE, False)
+
+    fname = tempfile.mktemp()
+    fhandle = file(fname, 'w')
+    writer = util.WrapOutputStream(fhandle)
+    writer.write("Original filename: %s\n=============\n\n" % original_filename)
+    writer.write(translated)  # write in UTF-8
+    fhandle.close()
+
+    return fname
Property changes on: grit/tool/diff_structures.py
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Added: svn:eol-style
   + LF