build/buildutils/setpolicyfiles.py
author hgs
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v2.2.19_1
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#
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# Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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# All rights reserved.
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# This component and the accompanying materials are made available
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# under the terms of "Eclipse Public License v1.0"
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# which accompanies this distribution, and is available
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# at the URL "http://www.eclipse.org/legal/epl-v10.html".
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#
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# Initial Contributors:
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# Nokia Corporation - initial contribution.
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#
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# Contributors:
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#
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# Description: 
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#
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#!/usr/bin/python
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import datetime, os, os.path, sys, traceback, shutil
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from optparse import OptionParser
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"""This script sets up S60 distribution policy files and optionally filters out non-distributed directories."""
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class PolicyData:
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    def __init__(self):
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        self.root_policy = None
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        self.policies = []
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        self.filtered_directories = 0
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        self.created_policies = 0
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        self.existing_policies = 0
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        self.warning_count = 0
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        self.start_time = datetime.datetime.now()
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        self.stop_time = None
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    def __str__(self):
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        if self.stop_time is None:
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            self.stop_time = datetime.datetime.now()
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        msg = "Distribution policies generation time " + str(self.stop_time - self.start_time)
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        msg += "\nCreated policies: " + str(self.created_policies)
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        msg += "\nExisting policies: " + str(self.existing_policies)
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        msg += "\nFiltered directories: " + str(self.filtered_directories)
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        if self.warning_count > 0:
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            msg += "\nWarnings: " + str(self.warning_count)
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        return msg
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policy_data = PolicyData()
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def main():
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    parser = OptionParser(usage = "python -u %prog [options] <path>")
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    parser.add_option("-f", "--filter", action="store_true", dest="filter",
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                  help="filter non-distributed directories")
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    (opts, args) = parser.parse_args()
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    if len(args) == 0:
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        print "Mandatory argument <path> missing"
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        parser.print_help()
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        sys.exit(1);
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    root_path = args[0]
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    if not os.path.isdir(root_path):
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        print "ERROR: %s is not a directory" % root_path
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        sys.exit(1);
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    try:
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        global policy_data
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        print "Started " + str(policy_data.start_time)
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        parseConfigurationFile(policy_data)
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        print "Generating S60 distribution policies to", root_path
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        if opts.filter:
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            print "Removing non-contributed directories"
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        print "Policy config:", str(policy_data.policies)
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        print "Policy for root dir:", str(policy_data.root_policy)
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        filterAndWritePolicies(root_path, policy_data, opts.filter)
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        policy_data.stop_time = datetime.datetime.now()
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        print "Finished " + str(policy_data.stop_time)
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        print str(policy_data)
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    except:
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        print "ERROR: Unexpected exception"
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        traceback.print_exc()
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        print str(policy_data)
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        sys.exit(1)
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def parseConfigurationFile(policy_data):
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    config_file = "distribution.policy.s60.configuration.txt"
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    f = open(config_file)
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    try:
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        default_policy = None
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        line_count = 0;
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        for line in f.readlines():
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            line_count += 1
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            line = line.strip()
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            if len(line) == 0 or line.find("#") == 0:
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                continue
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            tokens = line.split(':')
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            if len(tokens) != 2:
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                print "ERROR: Invalid line", line_count, "at file", config_file
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                sys.exit(1)
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            dir = tokens[0].strip()
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            dir = dir.replace("/", os.sep)
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            policy = tokens[1].strip()
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            if dir == "DEFAULT_POLICY":
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                default_policy = policy
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            elif dir == "ROOT_POLICY":
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                policy_data.root_policy = policy
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            else:
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                policy_data.policies += [(dir, policy)]
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        if default_policy is None:
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            print "ERROR: Default policy not defined at", config_file
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            sys.exit(1)
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        policy_data.policies += [("", default_policy)]
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    finally:
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        f.close()
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def filterAndWritePolicies(root_path, policy_data, filter):
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    # Write policy for the root directory.
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   113
    if (not policy_data.root_policy is None) and \
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   114
            (policy_data.root_policy != "IGNORE"):
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   115
        writePolicy(root_path, policy_data.root_policy)
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   116
    # Write policies for the subdirectories.
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   117
    for root, dirs, files in os.walk(root_path):
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   118
        for dir in dirs:
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            path = os.path.join(root, dir)
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            policy = getPolicyForPath(path.replace(root_path, ""), policy_data)
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            if policy != "IGNORE":
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                if filter and policy != "7":
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                    print "Removing directory", path
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                    shutil.rmtree(path)
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                    policy_data.filtered_directories += 1
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                else:
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                    writePolicy(path, policy)
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   128
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def writePolicy(path, policy):
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    global policy_data
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    policy_file = os.path.join(path, 'distribution.policy.s60')
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   132
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   133
    if os.path.exists(policy_file):
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        existing_policy = readPolicy(policy_file)
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        if policy == existing_policy:
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            print "Policy %s already exists in %s" % (existing_policy, policy_file)
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        else:
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            print "WARNING: Policy %s (should be %s) already exists in %s"  % (existing_policy, policy, policy_file)
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            policy_data.warning_count += 1
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        policy_data.existing_policies += 1
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   141
        return
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   142
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    f = open(policy_file, "w+")
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   144
    try:
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        print "Writing policy", policy, "to", policy_file
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        f.write(policy)
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   147
        policy_data.created_policies += 1
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   148
    except IOError:
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        print "ERROR: Writing policy to", policy_file, "failed"
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        sys.exit(1)
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    finally:
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        f.close
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   153
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   154
def readPolicy(policy_file):
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    policy = None
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    f = open(policy_file)
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   157
    try:
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        for line in f.readlines():
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            # Take the last line from the policy.
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   160
            policy = line.strip()
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   161
    finally:
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        f.close
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   163
    return policy
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   164
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   165
def getPolicyForPath(target_path, policy_data):
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    for path, policy in policy_data.policies:
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        match_path = target_path
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        if path.find("ROOT" + os.sep) == 0:
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            # Add keyword ROOT to target_path so that only
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   170
            # paths in root directory will match.
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   171
            match_path = "ROOT" + target_path
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   172
        if match_path.find(path + os.sep) != -1 or \
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   173
                match_path.find(path, -len(path)) != -1:
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   174
            return policy
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   175
    return None
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   176
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   177
if __name__ == "__main__":
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   178
    main()