Simple CMS as Anwiki replacement

sitescripts/web/bin/generate_static_pages.py

+# coding: utf-8
+
+# This file is part of the Adblock Plus web scripts,
+# Copyright (C) 2006-2013 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 sys, os, re, errno, codecs
+from ...utils import setupStderr, cached
+from ..utils import process_page
+from ..sources import MercurialSource
+
+def generate_pages(repo, output_dir):
+  known_files = set()
+
+  def write_file(path_parts, contents, binary=False):
+    encoding = None if binary else "utf-8"
+    outfile = os.path.join(output_dir, *path_parts)
+    if outfile in known_files:
+      print >>sys.stderr, "Warning: File %s has multiple sources" % outfile
+      return
+    known_files.add(outfile)
+
+    if os.path.exists(outfile):
+      with codecs.open(outfile, "rb", encoding=encoding) as handle:
+        if handle.read() == contents:
+          return
+
+    try:
+      os.makedirs(os.path.dirname(outfile))
+    except OSError, e:
+      if e.errno != errno.EEXIST:
+        raise
+
+    with codecs.open(outfile, "wb", encoding=encoding) as handle:
+      handle.write(contents)
+
+  with MercurialSource(repo) as source:
+    # Cache the result for some functions - we can assume here that the data
+    # never changes
+    source.resolve_link = cached(float("Infinity"))(source.resolve_link)
+    source.read_config = cached(float("Infinity"))(source.read_config)
+    source.read_template = cached(float("Infinity"))(source.read_template)
+    source.read_locale = cached(float("Infinity"))(source.read_locale)
+    source.read_include = cached(float("Infinity"))(source.read_include)
+
+    locales = list(source.list_locales())
+    for page, format in source.list_pages():
+      for locale in locales:
+        if source.has_locale(locale, page):
+          pagedata = process_page(source, locale, page, format)
+
+          # Make sure links to static files are versioned
+          pagedata = re.sub(r'(<script\s[^<>]*\bsrc="/[^"<>]+)', r"\1?%s" % source.version, pagedata)
+          pagedata = re.sub(r'(<link\s[^<>]*\bhref="/[^"<>]+)', r"\1?%s" % source.version, pagedata)
+          pagedata = re.sub(r'(<img\s[^<>]*\bsrc="/[^"<>]+)', r"\1?%s" % source.version, pagedata)
+
+          write_file([locale] + page.split("/"), pagedata)
+
+    for filename in source.list_localizable_files():
+      for locale in locales:
+        if source.has_localizable_file(locale, filename):
+          filedata = source.read_localizable_file(locale, filename)
+          write_file([locale] + filename.split("/"), filedata, binary=True)
+
+    for filename in source.list_static():
+      write_file(filename.split("/"), source.read_static(filename), binary=True)
+
+  def remove_unknown(dir):
+    files = os.listdir(dir)
+    for filename in files:
+      path = os.path.join(dir, filename)
+      if os.path.isfile(path) and path not in known_files:
+        os.remove(path)
+      elif os.path.isdir(path):
+        remove_unknown(path)
+        if not os.listdir(path):
+          os.rmdir(path)
+  remove_unknown(output_dir)
+
+if __name__ == "__main__":
+  setupStderr()
+  if len(sys.argv) < 3:
+    print >>sys.stderr, "Usage: %s source_repository output_dir" % sys.argv[0]
+    sys.exit(1)
+
+  repo, output_dir = sys.argv[1:3]
+  generate_pages(repo, output_dir)