Issue 520 - Generate PAD files for download portals when updating download links

sitescripts/extensions/pad/__init__.py

Index: sitescripts/extensions/pad/__init__.py
===================================================================
new file mode 100644
--- /dev/null
+++ b/sitescripts/extensions/pad/__init__.py
@@ -0,0 +1,187 @@
+# This file is part of the Adblock Plus web scripts,
+# Copyright (C) 2006-2014 Eyeo GmbH
+#
+# Adblock Plus is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 3 as
+# published by the Free Software Foundation.
+#
+# Adblock Plus is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+
+import subprocess
+import os
+import re
+import time
+from datetime import datetime
+from urlparse import urljoin
+
+from sitescripts.utils import get_template
+from sitescripts.extensions.android import get_min_android_version
+from sitescripts.extensions.pad.language import iso2pad
+from sitescripts.extensions.pad.validation import validate_pad
+
+OS_WINDOWS = ['Windows 8', 'Win7 x32', 'Win7 x64', 'WinVista', 'WinVista x64', 'WinXP']
+OS_LINUX = ['Linux']
+OS_MAC = ['Mac OS X']
+OS_ANDROID = ['Android']
+
+class PadFile:
+  def __init__(self, repo, version, download_url):
+    self.repo = repo
+    self.version = version
+    self.download_url = download_url
+
+    self.first_release = True
+    for i, (filename, version) in enumerate(repo.getDownloads()):
+      if i > 0:
+        self.first_release = False
+
+      if version == self.version:
+        self.download_filename = filename
+
+  @property
+  def release_status(self):
+    if self.first_release:
+      return 'New Release'
+
+    if self.version.rstrip('.0').count('.') < 2:
+      return 'Major Update'
+
+    return 'Minor Update'
+
+  @property
+  def release_date(self):
+    command = ['hg', 'log', '-l', '1', self.download_filename, '--template', '{date}']
+    result = subprocess.check_output(command, cwd=self.repo.downloadsRepo)
+    timestamp, offset = re.match(r'(.*)([-+].*)', result).groups()
+    return datetime(*time.gmtime(float(timestamp) + float(offset))[:6])
+
+  @property
+  def download_size(self):
+    return len(subprocess.check_output(
+      ['hg', 'cat', '-r', 'tip', self.download_filename],
+      cwd=self.repo.downloadsRepo
+    ))
+
+  @property
+  def browser_min_version(self):
+    metadata = self.repo.readMetadata(self.version)
+    compat_option = getattr(self, 'compat_option',  self.repo.type)
+    return metadata.get('compat', compat_option).split('/')[0].rstrip('.0')
+
+  @property
+  def languages(self):
+    files = self.repo.listContents(self.version)
+    languages = set()
+    skipped = set()
+
+    for filename in files:
+      match = re.match(self.translation_files_regex, filename)
+
+      if match:
+        groups = match.groupdict()
+
+        # support translation files that vary from the naming
+        # scheme like the default translation for Android
+        for k, v in groups.iteritems():
+          if k.startswith('is_') and v is not None:
+            code = k[3:]
+            break
+        else:
+          code = groups['code']
+
+        # support .incomplete files like on Firefox
+        if groups.get('skip') is not None:
+          skipped.add(code)
+          continue
+
+        languages.add(code)
+
+    return iso2pad(languages.difference(skipped))
+
+  def write(self):
+    template = get_template(self.repo.padTemplate)
+    basename = self.repo.basename
+    filename = basename + '.xml'
+
+    pad = template.render({
+      'name': self.repo.name,
+      'type': self.repo.type,
+      'basename': basename,
+      'browser_name': self.browser_name,
+      'browser_min_version': self.browser_min_version,
+      'version': self.version,
+      'release_date': self.release_date,
+      'release_status': self.release_status,
+      'os_support': ','.join(self.os_support),
+      'language': ','.join(self.languages),
+      'download_size': self.download_size,
+      'download_url': self.download_url,
+      'pad_url': urljoin(self.repo.padURL, filename),
+    }).encode('utf-8')
+
+    path = os.path.join(self.repo.padDirectory, filename)
+    validate_pad(pad, path)
+
+    with open(path, 'wb') as file:
+      file.write(pad)
+
+  @staticmethod
+  def forRepository(repo, *args, **kwargs):
+    if repo.type == 'gecko':
+      return FirefoxPadFile(repo, *args, **kwargs)
+    if repo.type == 'chrome':
+      return ChromePadFile(repo, *args, **kwargs)
+    if repo.type == 'opera':
+      return OperaPadFile(repo, *args, **kwargs)
+    if repo.type == 'safari':
+      return SafariPadFile(repo, *args, **kwargs)
+    if repo.type == 'ie':
+      return InternetExplorerPadFile(repo, *args, **kwargs)
+    if repo.type == 'android':
+      return AndroidPadFile(repo, *args, **kwargs)
+
+    raise Exception('unknown repository type %r' % repo.type)
+
+class FirefoxPadFile(PadFile):
+  browser_name = 'Mozilla Firefox'
+  os_support = OS_WINDOWS + OS_MAC + OS_LINUX + OS_ANDROID
+  translation_files_regex = r'chrome\/locale\/(?P<code>.+?)\/(?P<skip>\.incomplete$)?'
+  compat_option = 'firefox'
+
+class ChromePadFile(PadFile):
+  browser_name = 'Google Chrome'
+  os_support = OS_WINDOWS + OS_MAC + OS_LINUX
+  translation_files_regex = r'_locales\/(?P<code>.+?)\/'
+
+class OperaPadFile(PadFile):
+  browser_name = 'Opera'
+  browser_min_version = '17'
+  os_support = OS_WINDOWS + OS_MAC + OS_LINUX
+  translation_files_regex = ChromePadFile.translation_files_regex
+
+class SafariPadFile(PadFile):
+  browser_name = 'Safari'
+  browser_min_version = '6'
+  os_support = OS_MAC
+  translation_files_regex = ChromePadFile.translation_files_regex
+
+class InternetExplorerPadFile(PadFile):
+  browser_name = 'Internet Explorer'
+  browser_min_version = '8'
+  os_support = OS_WINDOWS
+  translation_files_regex = r'locales\/(?P<code>.+)\.ini$'
+
+class AndroidPadFile(PadFile):
+  browser_name = 'Android'
+  os_support = OS_ANDROID
+  translation_files_regex = r'res\/(?:raw|values)(?:-(?P<code>.+?)|(?P<is_en>))\/'
+
+  @property
+  def browser_min_version(self):
+    return get_min_android_version(self.repo, self.version)