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| 1 # coding: utf-8 |
| 2 |
| 3 # This file is part of the Adblock Plus web scripts, |
| 4 # Copyright (C) 2006-2013 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 |
| 19 from StringIO import StringIO |
| 20 from ConfigParser import SafeConfigParser |
| 21 |
| 22 default_locale = "en" |
| 23 |
| 24 class Source: |
| 25 def resolve_link(self, url, locale): |
| 26 parsed = urlparse.urlparse(url) |
| 27 page = parsed.path |
| 28 if parsed.scheme != "" or page.startswith("/") or page.startswith("."): |
| 29 # Not a page link |
| 30 return None, None |
| 31 |
| 32 if self.has_localizable_file(default_locale, page): |
| 33 if not self.has_localizable_file(locale, page): |
| 34 locale = default_locale |
| 35 elif self.has_locale(default_locale, page): |
| 36 if not self.has_locale(locale, page): |
| 37 locale = default_locale |
| 38 else: |
| 39 print >>sys.stderr, "Warning: Link to %s cannot be resolved" % page |
| 40 |
| 41 if page == "index": |
| 42 page = "" |
| 43 |
| 44 path = "/%s/%s" % (locale, page) |
| 45 return locale, urlparse.urlunparse(list(parsed[0:2]) + [path] + list(parsed[
3:])) |
| 46 |
| 47 def read_config(self): |
| 48 configdata = self.read_file("settings.ini").decode("utf-8") |
| 49 config = SafeConfigParser() |
| 50 config.readfp(StringIO(configdata)) |
| 51 return config |
| 52 |
| 53 # |
| 54 # Page helpers |
| 55 # |
| 56 |
| 57 @staticmethod |
| 58 def page_filename(page, format): |
| 59 return "pages/%s.%s" % (page, format) |
| 60 |
| 61 def list_pages(self): |
| 62 for filename in self.list_files("pages"): |
| 63 root, ext = os.path.splitext(filename) |
| 64 format = ext[1:] |
| 65 yield root, format |
| 66 |
| 67 def has_page(self, page, format): |
| 68 return self.has_file(self.page_filename(page, format)) |
| 69 |
| 70 def read_page(self, page, format): |
| 71 return self.read_file(self.page_filename(page, format)) |
| 72 |
| 73 # |
| 74 # Localizable files helpers |
| 75 # |
| 76 |
| 77 @staticmethod |
| 78 def localizable_file_filename(locale, filename): |
| 79 return "locales/%s/%s" % (locale, filename) |
| 80 |
| 81 def list_localizable_files(self): |
| 82 return filter( |
| 83 lambda f: os.path.splitext(f)[1] != ".json", |
| 84 self.list_files("locales/%s" % default_locale) |
| 85 ) |
| 86 |
| 87 def has_localizable_file(self, locale, filename): |
| 88 return self.has_file(self.localizable_file_filename(locale, filename)) |
| 89 |
| 90 def read_localizable_file(self, locale, filename): |
| 91 return self.read_file(self.localizable_file_filename(locale, filename)) |
| 92 |
| 93 # |
| 94 # Static file helpers |
| 95 # |
| 96 |
| 97 @staticmethod |
| 98 def static_filename(filename): |
| 99 return "static/%s" % filename |
| 100 |
| 101 def list_static(self): |
| 102 return self.list_files("static") |
| 103 |
| 104 def has_static(self, filename): |
| 105 return self.has_file(self.static_filename(filename)) |
| 106 |
| 107 def read_static(self, filename): |
| 108 return self.read_file(self.static_filename(filename)) |
| 109 |
| 110 # |
| 111 # Locale helpers |
| 112 # |
| 113 |
| 114 @staticmethod |
| 115 def locale_filename(locale, page): |
| 116 return "locales/%s/%s.json" % (locale, page) |
| 117 |
| 118 def list_locales(self): |
| 119 result = set() |
| 120 for filename in self.list_files("locales"): |
| 121 if "/" in filename: |
| 122 locale, path = filename.split("/", 1) |
| 123 result.add(locale) |
| 124 return result |
| 125 |
| 126 def has_locale(self, locale, page): |
| 127 return self.has_file(self.locale_filename(locale, page)) |
| 128 |
| 129 def read_locale(self, locale, page): |
| 130 if locale == default_locale: |
| 131 result = {} |
| 132 else: |
| 133 result = self.read_locale(default_locale, page) |
| 134 |
| 135 if self.has_locale(locale, page): |
| 136 filedata = self.read_file(self.locale_filename(locale, page)) |
| 137 localedata = json.loads(filedata.decode("utf-8")) |
| 138 for key, value in localedata.iteritems(): |
| 139 result[key] = value["message"] |
| 140 |
| 141 return result |
| 142 |
| 143 # |
| 144 # Template helpers |
| 145 # |
| 146 |
| 147 @staticmethod |
| 148 def template_filename(template): |
| 149 return "templates/%s.tmpl" % template |
| 150 |
| 151 def read_template(self, template): |
| 152 return self.read_file(self.template_filename(template)) |
| 153 |
| 154 class MercurialSource(Source): |
| 155 def __init__(self, repo): |
| 156 command = ["hg", "-R", repo, "archive", "-t", "uzip", "-p", ".", "-"] |
| 157 data, _ = subprocess.Popen(command, stdout=subprocess.PIPE).communicate() |
| 158 self._archive = zipfile.ZipFile(StringIO(data), mode="r") |
| 159 |
| 160 def __enter__(self): |
| 161 return self |
| 162 |
| 163 def __exit__(self, type, value, traceback): |
| 164 self.close() |
| 165 return False |
| 166 |
| 167 def close(self): |
| 168 self._archive.close() |
| 169 |
| 170 def has_file(self, filename): |
| 171 try: |
| 172 self._archive.getinfo("./%s" % filename) |
| 173 except KeyError: |
| 174 return False |
| 175 return True |
| 176 |
| 177 def read_file(self, filename): |
| 178 return self._archive.read("./%s" % filename) |
| 179 |
| 180 def list_files(self, subdir): |
| 181 prefix = "./" + subdir + "/" |
| 182 for filename in self._archive.namelist(): |
| 183 if filename.startswith(prefix): |
| 184 yield filename[len(prefix):] |
| 185 |
| 186 class FileSource(Source): |
| 187 def __init__(self, dir): |
| 188 self._dir = dir |
| 189 |
| 190 def __enter__(self): |
| 191 return self |
| 192 |
| 193 def __exit__(self, type, value, traceback): |
| 194 return False |
| 195 |
| 196 def close(self): |
| 197 pass |
| 198 |
| 199 def get_path(self, filename): |
| 200 return os.path.join(self._dir, *filename.split("/")) |
| 201 |
| 202 def has_file(self, filename): |
| 203 return os.path.isfile(self.get_path(filename)) |
| 204 |
| 205 def read_file(self, filename): |
| 206 with open(self.get_path(filename), "rb") as handle: |
| 207 return handle.read() |
| 208 |
| 209 def list_files(self, subdir): |
| 210 result = [] |
| 211 def do_list(dir, relpath): |
| 212 files = os.listdir(dir) |
| 213 for filename in files: |
| 214 path = os.path.join(dir, filename) |
| 215 if os.path.isfile(path): |
| 216 result.append(relpath + filename) |
| 217 elif os.path.isdir(path): |
| 218 do_list(path, relpath + filename + "/") |
| 219 do_list(self.get_path(subdir), "") |
| 220 return result |
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