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      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 html_warning_message = """
     13 
     14 
     15 <!------------------------------------------------------------------------------
     16 WARNING: This file is generated by generate_about_tracing_contents.py
     17 
     18          Do not edit directly.
     19 
     20 
     21 ------------------------------------------------------------------------------->
     22 
     23 
     24 """
     25 
     26 js_warning_message = """/**
     27 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
     28 // Use of this source code is governed by a BSD-style license that can be
     29 // found in the LICENSE file.
     30 
     31 * WARNING: This file is generated by generate_about_tracing_contents.py
     32 *
     33 *        Do not edit directly.
     34 */
     35 """
     36 
     37 def generate_html():
     38   f = open(os.path.join(srcdir, "about_tracing.html.template"), 'r')
     39   template = f.read()
     40   f.close()
     41 
     42   assert template.find("<WARNING_MESSAGE></WARNING_MESSAGE>") != -1
     43   assert template.find("<STYLE_SHEET_CONTENTS></STYLE_SHEET_CONTENTS>") != -1
     44 
     45   filenames = [os.path.join(srcdir, x) for x in ["base.js", "profiling_view.js"]]
     46   filenames = [os.path.relpath(x) for x in filenames]
     47 
     48   load_sequence = parse_deps.calc_load_sequence(filenames)
     49 
     50   style_sheet_contents = ""
     51   for module in load_sequence:
     52     for style_sheet in module.style_sheets:
     53       rel_filename = os.path.relpath(style_sheet.filename, srcdir)
     54       link_tag = """<link rel="stylesheet" href="%s">\n""" % rel_filename
     55       style_sheet_contents += link_tag
     56 
     57   result = template
     58   result = result.replace("<WARNING_MESSAGE></WARNING_MESSAGE>", html_warning_message)
     59   result = result.replace("<STYLE_SHEET_CONTENTS></STYLE_SHEET_CONTENTS>", style_sheet_contents)
     60 
     61   return result
     62 
     63 def generate_js():
     64   f = open(os.path.join(srcdir, "about_tracing.js.template"), 'r')
     65   template = f.read()
     66   f.close()
     67 
     68   assert template.find("<WARNING_MESSAGE></WARNING_MESSAGE>") != -1
     69   assert template.find("<SCRIPT_CONTENTS></SCRIPT_CONTENTS>") != -1
     70 
     71   filenames = [os.path.join(srcdir, x) for x in ["base.js", "profiling_view.js"]]
     72   filenames = [os.path.relpath(x) for x in filenames]
     73 
     74   import parse_deps
     75   load_sequence = parse_deps.calc_load_sequence(filenames)
     76   script_contents = ""
     77   script_contents += "window.FLATTENED = {};\n"
     78   for module in load_sequence:
     79     script_contents += "window.FLATTENED['%s'] = true;\n" % module.name
     80 
     81   for module in load_sequence:
     82     rel_filename = os.path.relpath(module.filename, srcdir)
     83     script_contents += """<include src="%s">\n""" % rel_filename
     84 
     85   result = template
     86   result = result.replace("<WARNING_MESSAGE></WARNING_MESSAGE>",
     87                           js_warning_message)
     88   result = result.replace("<SCRIPT_CONTENTS></SCRIPT_CONTENTS>", script_contents)
     89 
     90   return result
     91 
     92 def is_out_of_date():
     93   olddir = os.getcwd()
     94   try:
     95     os.chdir(srcdir)
     96 
     97     o = open(os.path.join(srcdir, "about_tracing.html"), 'r')
     98     existing_result_html = o.read()
     99     o.close()
    100 
    101     result_html = generate_html()
    102 
    103     if result_html != existing_result_html:
    104       return True
    105 
    106     o = open(os.path.join(srcdir, "about_tracing.js"), 'r')
    107     existing_result_js = o.read()
    108     o.close()
    109 
    110     result_js = generate_js()
    111 
    112     if result_js != existing_result_js:
    113       return True
    114 
    115   finally:
    116     os.chdir(olddir)
    117   return False
    118 
    119 
    120 def main(args):
    121   parser = optparse.OptionParser()
    122   options, args = parser.parse_args(args)
    123 
    124   olddir = os.getcwd()
    125   try:
    126     os.chdir(srcdir)
    127 
    128     try:
    129       result_html = generate_html()
    130     except parse_deps.DepsException, ex:
    131       sys.stderr.write("Error: %s\n\n" % str(ex))
    132       return 255
    133 
    134     o = open(os.path.join(srcdir, "about_tracing.html"), 'w')
    135     o.write(result_html)
    136     o.close()
    137 
    138     result_js = generate_js()
    139     o = open(os.path.join(srcdir, "about_tracing.js"), 'w')
    140     o.write(result_js)
    141     o.close()
    142 
    143   finally:
    144     os.chdir(olddir)
    145 
    146   return 0
    147 
    148 if __name__ == "__main__":
    149   sys.exit(main(sys.argv))
    150