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1 # coding: utf-8 | |
2 | |
3 # This file is part of the Adblock Plus web scripts, | |
4 # Copyright (C) 2006-2015 Eyeo GmbH | |
5 # | |
6 # Adblock Plus is free software: you can redistribute it and/or modify | |
7 # it under the terms of the GNU General Public License version 3 as | |
8 # published by the Free Software Foundation. | |
9 # | |
10 # Adblock Plus is distributed in the hope that it will be useful, | |
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 # GNU General Public License for more details. | |
14 # | |
15 # You should have received a copy of the GNU General Public License | |
16 # along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. | |
17 | |
18 import sys, os, subprocess, zipfile, json, urlparse, codecs | |
19 from StringIO import StringIO | |
20 from ConfigParser import SafeConfigParser | |
21 | |
22 class Source: | |
23 def resolve_link(self, url, locale): | |
24 parsed = urlparse.urlparse(url) | |
25 page = parsed.path | |
26 if parsed.scheme != "" or page.startswith("/") or page.startswith("."): | |
27 # Not a page link | |
28 return None, None | |
29 | |
30 if parsed.path == "" and url != "": | |
31 # Page-relative link | |
32 return None, None | |
33 | |
34 config = self.read_config() | |
35 default_locale = config.get("general", "defaultlocale") | |
36 default_page = config.get("general", "defaultpage") | |
37 | |
38 checked_page = page | |
39 if config.has_option("locale_overrides", page): | |
40 checked_page = config.get("locale_overrides", page) | |
41 | |
42 if self.has_localizable_file(default_locale, checked_page): | |
43 if not self.has_localizable_file(locale, checked_page): | |
44 locale = default_locale | |
45 elif self.has_locale(default_locale, checked_page): | |
46 if not self.has_locale(locale, checked_page): | |
47 locale = default_locale | |
48 else: | |
49 print >>sys.stderr, "Warning: Link to %s cannot be resolved" % page | |
50 | |
51 if page == default_page: | |
52 page = "" | |
53 | |
54 path = "/%s/%s" % (locale, page) | |
55 return locale, urlparse.urlunparse(parsed[0:2] + (path,) + parsed[3:]) | |
56 | |
57 def read_config(self): | |
58 configdata = self.read_file("settings.ini") | |
59 config = SafeConfigParser() | |
60 config.readfp(StringIO(configdata)) | |
61 return config | |
62 | |
63 # | |
64 # Page helpers | |
65 # | |
66 | |
67 @staticmethod | |
68 def page_filename(page, format): | |
69 return "pages/%s.%s" % (page, format) | |
70 | |
71 def list_pages(self): | |
72 for filename in self.list_files("pages"): | |
73 root, ext = os.path.splitext(filename) | |
74 format = ext[1:].lower() | |
75 yield root, format | |
76 | |
77 def has_page(self, page, format): | |
78 return self.has_file(self.page_filename(page, format)) | |
79 | |
80 def read_page(self, page, format): | |
81 return self.read_file(self.page_filename(page, format)) | |
82 | |
83 # | |
84 # Localizable files helpers | |
85 # | |
86 | |
87 @staticmethod | |
88 def localizable_file_filename(locale, filename): | |
89 return "locales/%s/%s" % (locale, filename) | |
90 | |
91 def list_localizable_files(self): | |
92 default_locale = self.read_config().get("general", "defaultlocale") | |
93 return filter( | |
94 lambda f: os.path.splitext(f)[1].lower() != ".json", | |
95 self.list_files("locales/%s" % default_locale) | |
96 ) | |
97 | |
98 def has_localizable_file(self, locale, filename): | |
99 return self.has_file(self.localizable_file_filename(locale, filename)) | |
100 | |
101 def read_localizable_file(self, locale, filename): | |
102 return self.read_file(self.localizable_file_filename(locale, filename), bina
ry=True) | |
103 | |
104 # | |
105 # Static file helpers | |
106 # | |
107 | |
108 @staticmethod | |
109 def static_filename(filename): | |
110 return "static/%s" % filename | |
111 | |
112 def list_static(self): | |
113 return self.list_files("static") | |
114 | |
115 def has_static(self, filename): | |
116 return self.has_file(self.static_filename(filename)) | |
117 | |
118 def read_static(self, filename): | |
119 return self.read_file(self.static_filename(filename), binary=True) | |
120 | |
121 # | |
122 # Locale helpers | |
123 # | |
124 | |
125 @classmethod | |
126 def locale_filename(cls, locale, page): | |
127 return cls.localizable_file_filename(locale, page + ".json") | |
128 | |
129 def list_locales(self): | |
130 result = set() | |
131 for filename in self.list_files("locales"): | |
132 if "/" in filename: | |
133 locale, path = filename.split("/", 1) | |
134 result.add(locale) | |
135 return result | |
136 | |
137 def has_locale(self, locale, page): | |
138 config = self.read_config() | |
139 if config.has_option("locale_overrides", page): | |
140 page = config.get("locale_overrides", page) | |
141 return self.has_file(self.locale_filename(locale, page)) | |
142 | |
143 def read_locale(self, locale, page): | |
144 default_locale = self.read_config().get("general", "defaultlocale") | |
145 if locale == default_locale: | |
146 result = {} | |
147 else: | |
148 result = self.read_locale(default_locale, page) | |
149 | |
150 if self.has_locale(locale, page): | |
151 filedata = self.read_file(self.locale_filename(locale, page)) | |
152 localedata = json.loads(filedata) | |
153 for key, value in localedata.iteritems(): | |
154 result[key] = value["message"] | |
155 | |
156 return result | |
157 | |
158 # | |
159 # Template helpers | |
160 # | |
161 | |
162 @staticmethod | |
163 def template_filename(template): | |
164 return "templates/%s.tmpl" % template | |
165 | |
166 def read_template(self, template): | |
167 return self.read_file(self.template_filename(template)) | |
168 | |
169 # | |
170 # Include helpers | |
171 # | |
172 | |
173 @staticmethod | |
174 def include_filename(include, format): | |
175 return "includes/%s.%s" % (include, format) | |
176 | |
177 def has_include(self, include, format): | |
178 return self.has_file(self.include_filename(include, format)) | |
179 | |
180 def read_include(self, include, format): | |
181 return self.read_file(self.include_filename(include, format)) | |
182 | |
183 class MercurialSource(Source): | |
184 def __init__(self, repo): | |
185 command = ["hg", "-R", repo, "archive", "-r", "default", | |
186 "-t", "uzip", "-p", ".", "-"] | |
187 data = subprocess.check_output(command) | |
188 self._archive = zipfile.ZipFile(StringIO(data), mode="r") | |
189 | |
190 command = ["hg", "-R", repo, "id", "-n", "-r", "default"] | |
191 self.version = subprocess.check_output(command).strip() | |
192 | |
193 def __enter__(self): | |
194 return self | |
195 | |
196 def __exit__(self, type, value, traceback): | |
197 self.close() | |
198 return False | |
199 | |
200 def close(self): | |
201 self._archive.close() | |
202 | |
203 def has_file(self, filename): | |
204 try: | |
205 self._archive.getinfo("./%s" % filename) | |
206 except KeyError: | |
207 return False | |
208 return True | |
209 | |
210 def read_file(self, filename, binary=False): | |
211 result = self._archive.read("./%s" % filename) | |
212 if not binary: | |
213 result = result.decode("utf-8") | |
214 return result | |
215 | |
216 def list_files(self, subdir): | |
217 prefix = "./%s/" % subdir | |
218 for filename in self._archive.namelist(): | |
219 if filename.startswith(prefix): | |
220 yield filename[len(prefix):] | |
221 | |
222 class FileSource(Source): | |
223 def __init__(self, dir): | |
224 self._dir = dir | |
225 | |
226 def __enter__(self): | |
227 return self | |
228 | |
229 def __exit__(self, type, value, traceback): | |
230 return False | |
231 | |
232 def close(self): | |
233 pass | |
234 | |
235 def get_path(self, filename): | |
236 return os.path.join(self._dir, *filename.split("/")) | |
237 | |
238 def has_file(self, filename): | |
239 return os.path.isfile(self.get_path(filename)) | |
240 | |
241 def read_file(self, filename, binary=False): | |
242 encoding = None if binary else "utf-8" | |
243 with codecs.open(self.get_path(filename), "rb", encoding=encoding) as handle
: | |
244 return handle.read() | |
245 | |
246 def list_files(self, subdir): | |
247 result = [] | |
248 def do_list(dir, relpath): | |
249 try: | |
250 files = os.listdir(dir) | |
251 except OSError: | |
252 return | |
253 | |
254 for filename in files: | |
255 path = os.path.join(dir, filename) | |
256 if os.path.isfile(path): | |
257 result.append(relpath + filename) | |
258 elif os.path.isdir(path): | |
259 do_list(path, relpath + filename + "/") | |
260 do_list(self.get_path(subdir), "") | |
261 return result | |
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