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Side by Side Diff: grit/format/policy_templates/policy_template_generator.py

Issue 1438403002: Remove contents of grit's git-svn-mirror repository. (Closed) Base URL: https://chromium.googlesource.com/external/grit-i18n@master
Patch Set: Created 5 years, 1 month ago
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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
6
7 import copy
8
9
10 class PolicyTemplateGenerator:
11 '''Generates template text for a particular platform.
12
13 This class is used to traverse a JSON structure from a .json template
14 definition metafile and merge GUI message string definitions that come
15 from a .grd resource tree onto it. After this, it can be used to output
16 this data to policy template files using TemplateWriter objects.
17 '''
18
19 def _ImportMessage(self, msg_txt):
20 msg_txt = msg_txt.decode('utf-8')
21 # Replace the placeholder of app name.
22 msg_txt = msg_txt.replace('$1', self._config['app_name'])
23 msg_txt = msg_txt.replace('$2', self._config['os_name'])
24 msg_txt = msg_txt.replace('$3', self._config['frame_name'])
25 # Strip spaces and escape newlines.
26 lines = msg_txt.split('\n')
27 lines = [line.strip() for line in lines]
28 return "\n".join(lines)
29
30 def __init__(self, config, policy_data):
31 '''Initializes this object with all the data necessary to output a
32 policy template.
33
34 Args:
35 messages: An identifier to string dictionary of all the localized
36 messages that might appear in the policy template.
37 policy_definitions: The list of defined policies and groups, as
38 parsed from the policy metafile. Note that this list is passed by
39 reference and its contents are modified.
40 See chrome/app/policy.policy_templates.json for description and
41 content.
42 '''
43 # List of all the policies:
44 self._policy_data = copy.deepcopy(policy_data)
45 # Localized messages to be inserted to the policy_definitions structure:
46 self._messages = self._policy_data['messages']
47 self._config = config
48 for key in self._messages.keys():
49 self._messages[key]['text'] = self._ImportMessage(
50 self._messages[key]['text'])
51 self._policy_definitions = self._policy_data['policy_definitions']
52 self._ProcessPolicyList(self._policy_definitions)
53
54 def _ProcessSupportedOn(self, supported_on):
55 '''Parses and converts the string items of the list of supported platforms
56 into dictionaries.
57
58 Args:
59 supported_on: The list of supported platforms. E.g.:
60 ['chrome.win:8-10', 'chrome_frame:10-']
61
62 Returns:
63 supported_on: The list with its items converted to dictionaries. E.g.:
64 [{
65 'product': 'chrome',
66 'platform': 'win',
67 'since_version': '8',
68 'until_version': '10'
69 }, {
70 'product': 'chrome_frame',
71 'platform': 'win',
72 'since_version': '10',
73 'until_version': ''
74 }]
75 '''
76 result = []
77 for supported_on_item in supported_on:
78 product_platform_part, version_part = supported_on_item.split(':')
79
80 if '.' in product_platform_part:
81 product, platform = product_platform_part.split('.')
82 if platform == '*':
83 # e.g.: 'chrome.*:8-10'
84 platforms = ['linux', 'mac', 'win']
85 else:
86 # e.g.: 'chrome.win:-10'
87 platforms = [platform]
88 else:
89 # e.g.: 'chrome_frame:7-'
90 product, platform = {
91 'android': ('chrome', 'android'),
92 'chrome_os': ('chrome_os', 'chrome_os'),
93 'chrome_frame': ('chrome_frame', 'win'),
94 'ios': ('chrome', 'ios'),
95 }[product_platform_part]
96 platforms = [platform]
97 since_version, until_version = version_part.split('-')
98 result.append({
99 'product': product,
100 'platforms': platforms,
101 'since_version': since_version,
102 'until_version': until_version
103 })
104 return result
105
106 def _ProcessPolicy(self, policy):
107 '''Processes localized message strings in a policy or a group.
108 Also breaks up the content of 'supported_on' attribute into a list.
109
110 Args:
111 policy: The data structure of the policy or group, that will get message
112 strings here.
113 '''
114 policy['desc'] = self._ImportMessage(policy['desc'])
115 policy['caption'] = self._ImportMessage(policy['caption'])
116 if 'label' in policy:
117 policy['label'] = self._ImportMessage(policy['label'])
118
119 if policy['type'] == 'group':
120 self._ProcessPolicyList(policy['policies'])
121 elif policy['type'] in ('string-enum', 'int-enum', 'string-enum-list'):
122 # Iterate through all the items of an enum-type policy, and add captions.
123 for item in policy['items']:
124 item['caption'] = self._ImportMessage(item['caption'])
125 if policy['type'] != 'group':
126 if not 'label' in policy:
127 # If 'label' is not specified, then it defaults to 'caption':
128 policy['label'] = policy['caption']
129 policy['supported_on'] = self._ProcessSupportedOn(policy['supported_on'])
130
131 def _ProcessPolicyList(self, policy_list):
132 '''Adds localized message strings to each item in a list of policies and
133 groups. Also breaks up the content of 'supported_on' attributes into lists
134 of dictionaries.
135
136 Args:
137 policy_list: A list of policies and groups. Message strings will be added
138 for each item and to their child items, recursively.
139 '''
140 for policy in policy_list:
141 self._ProcessPolicy(policy)
142
143 def GetTemplateText(self, template_writer):
144 '''Generates the text of the template from the arguments given
145 to the constructor, using a given TemplateWriter.
146
147 Args:
148 template_writer: An object implementing TemplateWriter. Its methods
149 are called here for each item of self._policy_groups.
150
151 Returns:
152 The text of the generated template.
153 '''
154 return template_writer.WriteTemplate(self._policy_data)
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