archive.selectors

+ 1 #============================================================================ + 2 #Name : selectors.py + 3 #Part of : Helium + 4 + 5 #Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). + 6 #All rights reserved. + 7 #This component and the accompanying materials are made available + 8 #under the terms of the License "Eclipse Public License v1.0" + 9 #which accompanies this distribution, and is available + 10 #at the URL "http://www.eclipse.org/legal/epl-v10.html". + 11 # + 12 #Initial Contributors: + 13 #Nokia Corporation - initial contribution. + 14 # + 15 #Contributors: + 16 # + 17 #Description: + 18 #=============================================================================== + 19 + 20 import re + 21 import os + 22 import sys + 23 import logging + 24 import fileutils + 25 import archive + 26 + 27 # Getting logger for the module + 28 logger = logging.getLogger("archive.selectors") + 29 + 30 +

31 -class DistributionPolicySelector: +

32 """ A selector that selects files based on other criteria. + 33 + 34 It is similar to the Ant file selector objects in design. This one selects files + 35 based on whether the root-most Distribution.Policy.S60 file matches the given value. + 36 """ + 37 +

38 - def __init__(self, policy_files, value, ignoremissingpolicyfiles=False): +

39 """ Initialization. """ + 40 self._negate = False + 41 self.values = [v.strip() for v in value.split() if v.strip()!=""] + 42 self._policy_files = policy_files + 43 self._ignoremissingpolicyfiles = ignoremissingpolicyfiles +

44 +

45 - def get_value_and_negate(self, value): +

46 if value.startswith('!'): + 47 return (value[1:], True) + 48 return (value, False) +

49 +

50 - def is_selected(self, path): +

51 """ Determines if the path is selected by this selector. """ + 52 current_dir = os.path.abspath(os.path.dirname(path)) + 53 logger.debug('is_selected: current dir = ' + current_dir + ' ' + str(os.path.exists(current_dir))) + 54 result = False + 55 policy_file = None + 56 # finding the distribution policy from the filelist. + 57 for filename in self._policy_files: + 58 #slow method on case sensitive system + 59 if sys.platform != 'win32': + 60 for f in os.listdir(current_dir): + 61 if f.lower() == filename.lower(): + 62 policy_file = os.path.join(current_dir, f) + 63 break + 64 elif os.path.exists(os.path.join(current_dir, filename)): + 65 policy_file = os.path.join(current_dir, filename) + 66 logger.debug('Using Policy file: ' + policy_file) + 67 break + 68 + 69 policy_value = None + 70 if policy_file is None: + 71 if not self._ignoremissingpolicyfiles: + 72 logger.error("POLICY_ERROR: Policy file not found under '%s' using names [%s]" % (current_dir, ", ".join(self._policy_files))) + 73 policy_value = archive.mappers.MISSING_POLICY + 74 else: + 75 try: + 76 policy_value = fileutils.read_policy_content(policy_file) + 77 except Exception: + 78 logger.warning('POLICY_ERROR: Exception thrown parsing policy file: ' + policy_file) + 79 policy_value = archive.mappers.MISSING_POLICY + 80 # loop through the possible values + 81 for value in self.values: + 82 (val, negate) = self.get_value_and_negate(value) + 83 logger.debug('Policy value: ' + str(policy_value) + ' ' + val) + 84 if (not negate and policy_value == val) or (negate and policy_value != val): + 85 return True + 86 return False +

87 + 88 +

89 -class SymbianPolicySelector: +

90 """ A selector that selects files based on other criteria. + 91 + 92 It is similar to the Ant file selector objects in design. This one selects files + 93 based on whether the root-most distribution.policy file matches the given value. + 94 """ + 95 +

96 - def __init__(self, policy_files, value): +

97 """ Initialization. """ + 98 self._negate = False + 99 self.values = [v.strip() for v in value.split() if v.strip()!=""] +100 self._policy_files = policy_files +

101 +102 +

103 - def get_value_and_negate(self, value): +

104 if value.startswith('!'): +105 return (value[1:], True) +106 return (value, False) +

107 +

108 - def is_selected(self, path): +

109 """ Determines if the path is selected by this selector. """ +110 current_dir = os.path.abspath(os.path.dirname(path)) +111 logger.debug('is_selected: current dir = ' + current_dir + ' ' + str(os.path.exists(current_dir))) +112 result = False +113 policy_file = None +114 # finding the distribution policy from the filelist. +115 for filename in self._policy_files: +116 if sys.platform != 'win32': +117 for f in os.listdir(current_dir): +118 if f.lower() == filename.lower(): +119 policy_file = os.path.join(current_dir, f) +120 logger.debug('Using Policy file: ' + policy_file) +121 break +122 elif os.path.exists(os.path.join(current_dir, filename)): +123 policy_file = os.path.join(current_dir, filename) +124 logger.debug('Using Policy file: ' + policy_file) +125 break +126 +127 policy_value = None +128 if policy_file is None: +129 logger.error("POLICY_ERROR: Policy file not found under '%s' using names [%s]" % (current_dir, ", ".join(self._policy_files))) +130 policy_value = archive.mappers.MISSING_POLICY +131 else: +132 try: +133 policy_value = fileutils.read_symbian_policy_content(policy_file) +134 except Exception: +135 logger.warning('POLICY_ERROR: Exception thrown parsing policy file: ' + policy_file) +136 policy_value = archive.mappers.MISSING_POLICY +137 # loop through the possible values +138 for value in self.values: +139 (val, negate) = self.get_value_and_negate(value) +140 logger.debug('Policy value: ' + str(policy_value) + ' ' + val) +141 if (not negate and policy_value == val) or (negate and policy_value != val): +142 return True +143 return False +

144 +145 SELECTORS = {'policy': lambda config: DistributionPolicySelector(config.get_list('policy.filenames', ['Distribution.Policy.S60']), config['policy.value']), +146 'symbian.policy': lambda config: SymbianPolicySelector(config.get_list('policy.filenames', ['distribution.policy']), config['policy.value']), +147 'distribution.policy.s60': lambda config: DistributionPolicySelector(['Distribution.Policy.S60'], config['distribution.policy.s60'], config['ignore.missing.policyfiles'] == 'true'), +148 } +149 +

150 -def get_selector(name, config): +

151 if not 'ignore.missing.policyfiles' in config: +152 config['ignore.missing.policyfiles'] = 'false' +153 return SELECTORS[name](config) +

154 +

Source Code for Module archive.selectors