284 lines
8.2 KiB
Python
284 lines
8.2 KiB
Python
# Copyright (c) 2013 The Chromium Embedded Framework Authors. All rights
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# reserved. Use of this source code is governed by a BSD-style license that
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# can be found in the LICENSE file.
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from __future__ import absolute_import
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from __future__ import print_function
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from file_util import *
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import os
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import re
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import shutil
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import string
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import sys
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import textwrap
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import time
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import itertools
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import hashlib
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class cef_api_hash:
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""" CEF API hash calculator """
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def __init__(self, headerdir, debugdir=None, verbose=False):
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if headerdir is None or len(headerdir) == 0:
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raise AssertionError("headerdir is not specified")
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self.__headerdir = headerdir
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self.__debugdir = debugdir
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self.__verbose = verbose
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self.__debug_enabled = not (self.__debugdir is
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None) and len(self.__debugdir) > 0
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self.platforms = ["windows", "macosx", "linux"]
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self.platform_files = {
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# List of includes_win_capi from cef_paths2.gypi.
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"windows": [
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"internal/cef_types_win.h",
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],
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# List of includes_mac_capi from cef_paths2.gypi.
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"macosx": [
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"internal/cef_types_mac.h",
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],
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# List of includes_linux_capi from cef_paths2.gypi.
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"linux": [
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"internal/cef_types_linux.h",
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]
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}
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self.included_files = []
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# List of include/ and include/internal/ files from cef_paths2.gypi.
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self.excluded_files = [
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# includes_common
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"cef_api_hash.h",
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"cef_base.h",
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"cef_config.h",
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"cef_version.h",
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"internal/cef_export.h",
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"internal/cef_ptr.h",
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"internal/cef_string_wrappers.h",
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"internal/cef_types_wrappers.h",
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# includes_win
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"cef_sandbox_win.h",
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"internal/cef_win.h",
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# includes_mac
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"cef_application_mac.h",
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"cef_sandbox_mac.h",
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"internal/cef_mac.h",
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# includes_linux
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"internal/cef_linux.h",
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]
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def calculate(self):
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filenames = [
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filename for filename in self.__get_filenames()
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if not filename in self.excluded_files
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]
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objects = []
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for filename in filenames:
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if self.__verbose:
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print("Processing " + filename + "...")
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content = read_file(os.path.join(self.__headerdir, filename), True)
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platforms = list([
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p for p in self.platforms if self.__is_platform_filename(filename, p)
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])
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# Parse cef_string.h happens in special case: grab only defined CEF_STRING_TYPE_xxx declaration
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content_objects = None
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if filename == "internal/cef_string.h":
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content_objects = self.__parse_string_type(content)
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else:
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content_objects = self.__parse_objects(content)
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for o in content_objects:
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o["text"] = self.__prepare_text(o["text"])
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o["platforms"] = platforms
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o["filename"] = filename
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objects.append(o)
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# objects will be sorted including filename, to make stable universal hashes
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objects = sorted(objects, key=lambda o: o["name"] + "@" + o["filename"])
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if self.__debug_enabled:
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namelen = max([len(o["name"]) for o in objects])
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filenamelen = max([len(o["filename"]) for o in objects])
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dumpsig = []
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for o in objects:
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dumpsig.append(
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format(o["name"], str(namelen) + "s") + "|" + format(
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o["filename"], "" + str(filenamelen) + "s") + "|" + o["text"])
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self.__write_debug_file("objects.txt", dumpsig)
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revisions = {}
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for platform in itertools.chain(["universal"], self.platforms):
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sig = self.__get_final_sig(objects, platform)
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if self.__debug_enabled:
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self.__write_debug_file(platform + ".sig", sig)
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revstr = hashlib.sha1(sig.encode('utf-8')).hexdigest()
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revisions[platform] = revstr
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return revisions
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def __parse_objects(self, content):
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""" Returns array of objects in content file. """
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objects = []
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content = re.sub("//.*\n", "", content)
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# function declarations
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for m in re.finditer(
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"\nCEF_EXPORT\s+?.*?\s+?(\w+)\s*?\(.*?\)\s*?;",
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content,
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flags=re.DOTALL):
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object = {"name": m.group(1), "text": m.group(0).strip()}
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objects.append(object)
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# structs
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for m in re.finditer(
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"\ntypedef\s+?struct\s+?(\w+)\s+?\{.*?\}\s+?(\w+)\s*?;",
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content,
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flags=re.DOTALL):
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object = {"name": m.group(2), "text": m.group(0).strip()}
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objects.append(object)
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# enums
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for m in re.finditer(
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"\nenum\s+?(\w+)\s+?\{.*?\}\s*?;", content, flags=re.DOTALL):
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object = {"name": m.group(1), "text": m.group(0).strip()}
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objects.append(object)
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# typedefs
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for m in re.finditer("\ntypedef\s+?.*?\s+(\w+);", content, flags=0):
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object = {"name": m.group(1), "text": m.group(0).strip()}
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objects.append(object)
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return objects
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def __parse_string_type(self, content):
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""" Grab defined CEF_STRING_TYPE_xxx """
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objects = []
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for m in re.finditer(
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"\n\s*?#\s*?define\s+?(CEF_STRING_TYPE_\w+)\s+?.*?\n", content,
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flags=0):
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object = {
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"name": m.group(1),
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"text": m.group(0),
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}
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objects.append(object)
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return objects
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def __prepare_text(self, text):
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text = text.strip()
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text = re.sub("\s+", " ", text)
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text = re.sub("\(\s+", "(", text)
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return text
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def __get_final_sig(self, objects, platform):
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sig = []
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for o in objects:
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if platform == "universal" or platform in o["platforms"]:
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sig.append(o["text"])
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return "\n".join(sig)
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def __get_filenames(self):
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""" Returns file names to be processed, relative to headerdir """
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headers = [
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os.path.join(self.__headerdir, filename)
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for filename in self.included_files
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]
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headers = itertools.chain(
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headers, get_files(os.path.join(self.__headerdir, "capi", "*.h")))
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headers = itertools.chain(
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headers, get_files(os.path.join(self.__headerdir, "internal", "*.h")))
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for v in self.platform_files.values():
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headers = itertools.chain(headers,
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[os.path.join(self.__headerdir, f) for f in v])
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normalized = [
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os.path.relpath(filename, self.__headerdir) for filename in headers
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]
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normalized = [f.replace('\\', '/').lower() for f in normalized]
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return list(set(normalized))
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def __is_platform_filename(self, filename, platform):
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if platform == "universal":
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return True
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if not platform in self.platform_files:
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return False
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listed = False
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for p in self.platforms:
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if filename in self.platform_files[p]:
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if p == platform:
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return True
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else:
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listed = True
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return not listed
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def __write_debug_file(self, filename, content):
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make_dir(self.__debugdir)
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outfile = os.path.join(self.__debugdir, filename)
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dir = os.path.dirname(outfile)
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make_dir(dir)
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if not isinstance(content, basestring):
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content = "\n".join(content)
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write_file(outfile, content)
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if __name__ == "__main__":
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from optparse import OptionParser
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import time
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disc = """
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This utility calculates CEF API hash.
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"""
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parser = OptionParser(description=disc)
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parser.add_option(
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'--cpp-header-dir',
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dest='cppheaderdir',
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metavar='DIR',
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help='input directory for C++ header files [required]')
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parser.add_option(
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'--debug-dir',
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dest='debugdir',
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metavar='DIR',
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help='intermediate directory for easy debugging')
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parser.add_option(
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'-v',
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'--verbose',
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action='store_true',
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dest='verbose',
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default=False,
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help='output detailed status information')
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(options, args) = parser.parse_args()
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# the cppheader option is required
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if options.cppheaderdir is None:
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parser.print_help(sys.stdout)
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sys.exit()
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# calculate
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c_start_time = time.time()
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calc = cef_api_hash(options.cppheaderdir, options.debugdir, options.verbose)
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revisions = calc.calculate()
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c_completed_in = time.time() - c_start_time
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print("{")
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for k in sorted(revisions.keys()):
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print(format("\"" + k + "\"", ">12s") + ": \"" + revisions[k] + "\"")
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print("}")
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# print
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# print 'Completed in: ' + str(c_completed_in)
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# print
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# print "Press any key to continue...";
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# sys.stdin.readline();
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