Home | History | Annotate | Download | only in build 
      1 #!/usr/bin/env python
      2 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
      3 # Use of this source code is governed by a BSD-style license that can be
      4 # found in the LICENSE file.
      5 import optparse
      6 import parse_deps
      7 import sys
      8 import os
      9 
     10 srcdir = os.path.abspath(os.path.join(os.path.dirname(__file__), "../src"))
     11 
     12 FILES_TO_IGNORE = ["about_tracing.js"]
     13 
     14 js_warning_message = (
     15 """// Copyright (c) 2012 The Chromium Authors. All rights reserved.
     16 // Use of this source code is governed by a BSD-style license that can be
     17 // found in the LICENSE file.
     18 
     19 /**
     20  * WARNING: This file is generated by generate_deps_js_contents.py
     21  *
     22  *        Do not edit directly.
     23  */
     24 """)
     25 
     26 def generate_deps_js():
     27   all_filenames = []
     28   for dirpath, dirnames, filenames in os.walk(srcdir):
     29     for f in filenames:
     30       all_filenames.append(os.path.join(dirpath, f))
     31   filenames = [x for x in all_filenames if
     32                os.path.splitext(x)[1] == ".js"]
     33 
     34   filenames = [os.path.relpath(x) for x in filenames]
     35   filenames = [x for x in filenames
     36                if x not in FILES_TO_IGNORE]
     37   def ignored(x):
     38     if os.path.basename(x).startswith('.'):
     39       return True
     40     return False
     41   filenames = [x for x in filenames if not ignored(x)]
     42 
     43   if "deps.js" in filenames:
     44     filenames.remove("deps.js")
     45 
     46   load_sequence = parse_deps.calc_load_sequence(filenames, srcdir)
     47 
     48   chunks = [js_warning_message]
     49   for module in load_sequence:
     50     for dependent_module_name in module.dependent_module_names:
     51       chunks.append("base.addModuleDependency(\n    '%s',\n    '%s');\n" % (
     52           module.name, dependent_module_name));
     53 
     54     for style_sheet in module.style_sheets:
     55       chunks.append("base.addModuleStylesheet(\n    '%s',\n    '%s');\n" % (
     56           module.name, style_sheet.name));
     57 
     58   result = "".join(chunks)
     59   return result
     60 
     61 def is_out_of_date():
     62   olddir = os.getcwd()
     63   try:
     64     os.chdir(srcdir)
     65 
     66     o = open(os.path.join(srcdir, "deps.js"), 'r')
     67     existing_deps_js = o.read()
     68     o.close()
     69 
     70     result_js = generate_deps_js()
     71 
     72     if result_js != existing_deps_js:
     73       return True
     74 
     75   finally:
     76     os.chdir(olddir)
     77   return False
     78 
     79 
     80 def main(args):
     81   parser = optparse.OptionParser()
     82   options, args = parser.parse_args(args)
     83 
     84   olddir = os.getcwd()
     85   try:
     86     os.chdir(srcdir)
     87 
     88     try:
     89       deps_js = generate_deps_js()
     90     except parse_deps.DepsException, ex:
     91       sys.stderr.write("Error: %s\n\n" % str(ex))
     92       return 255
     93 
     94     o = open(os.path.join(srcdir, "deps.js"), 'w')
     95     o.write(deps_js)
     96     o.close()
     97 
     98   finally:
     99     os.chdir(olddir)
    100 
    101   return 0
    102 
    103 if __name__ == "__main__":
    104   sys.exit(main(sys.argv))
    105