Update web-platform-tests to revision 58eb04cecbbec2e18531ab440225e38944a9c444

tests/wpt/web-platform-tests/css/tools/w3ctestlib/Utils.py

@@ -0,0 +1,161 @@
+#!/usr/bin/python
+# CSS Test Suite Manipulation Library Utilities
+# Initial code by fantasai, joint copyright 2010 W3C and Microsoft
+# Licensed under BSD 3-Clause: <http://www.w3.org/Consortium/Legal/2008/03-bsd-license>
+
+###### XML Parsing ######
+
+import os
+import w3ctestlib
+os.environ['XML_CATALOG_FILES'] = os.path.join(w3ctestlib.__path__[0], 'catalog/catalog.xml')
+
+###### File path manipulation ######
+
+import os.path
+from os.path import sep, pardir
+
+def assetName(path):
+  return intern(os.path.splitext(os.path.basename(path))[0].lower().encode('ascii'))
+  
+def basepath(path):
+  """ Returns the path part of os.path.split.
+  """
+  return os.path.split(path)[0]
+
+def isPathInsideBase(path, base=''):
+  path = os.path.normpath(path)
+  if base:
+    base = os.path.normpath(base)
+    pathlist = path.split(os.path.sep)
+    baselist = base.split(os.path.sep)
+    while baselist:
+      p = pathlist.pop(0)
+      b = baselist.pop(0)
+      if p != b:
+        return False
+    return not pathlist[0].startswith(os.path.pardir)
+  return not path.startswith(os.path.pardir)
+
+def relpath(path, start):
+  """Return relative path from start to end. WARNING: this is not the
+     same as a relative URL; see relativeURL()."""
+  try:
+    return os.path.relpath(path, start)
+  except AttributeError:
+    # This function is copied directly from the Python 2.6 source
+    # code, and is therefore under a different license.
+
+    if not path:
+        raise ValueError("no path specified")
+    start_list = os.path.abspath(start).split(sep)
+    path_list = os.path.abspath(path).split(sep)
+    if start_list[0].lower() != path_list[0].lower():
+        unc_path, rest = os.path.splitunc(path)
+        unc_start, rest = os.path.splitunc(start)
+        if bool(unc_path) ^ bool(unc_start):
+            raise ValueError("Cannot mix UNC and non-UNC paths (%s and %s)"
+                                                                % (path, start))
+        else:
+            raise ValueError("path is on drive %s, start on drive %s"
+                                                % (path_list[0], start_list[0]))
+    # Work out how much of the filepath is shared by start and path.
+    for i in range(min(len(start_list), len(path_list))):
+        if start_list[i].lower() != path_list[i].lower():
+            break
+    else:
+        i += 1
+
+    rel_list = [pardir] * (len(start_list)-i) + path_list[i:]
+    if not rel_list:
+        return os.path.curdir
+    return os.path.join(*rel_list)
+
+def relativeURL(start, end):
+  """ Returns relative URL from `start` to `end`.
+  """
+#  if isPathInsideBase(end, start):
+#    return relpath(end, start)
+#  else:
+  return relpath(end, basepath(start))
+
+def listfiles(path, ext = None):
+  """ Returns a list of all files in a directory.
+      Optionally lists only files with a given extension.
+  """
+  try:
+    _,_,files = os.walk(path).next()
+    if (ext):
+      files = [fileName for fileName in files if fileName.endswith(ext)]
+  except StopIteration, e:
+    files = []
+  return files
+
+def listdirs(path):
+  """ Returns a list of all subdirectories in a directory.
+  """
+  try:
+    _,dirs,_ = os.walk(path).next()
+  except StopIteration, e:
+    dirs = []
+  return dirs
+
+###### MIME types and file extensions ######
+
+extensionMap = { None     : 'application/octet-stream', # default
+                 '.xht'   : 'application/xhtml+xml',
+                 '.xhtml' : 'application/xhtml+xml',
+                 '.xml'   : 'application/xml',
+                 '.htm'   : 'text/html',
+                 '.html'  : 'text/html',
+                 '.txt'   : 'text/plain',
+                 '.jpg'   : 'image/jpeg',
+                 '.png'   : 'image/png',
+                 '.svg'   : 'image/svg+xml',
+               }
+
+def getMimeFromExt(filepath):
+  """Convenience function: equal to extenionMap.get(ext, extensionMap[None]).
+  """
+  if filepath.endswith('.htaccess'):
+    return 'config/htaccess'
+  ext = os.path.splitext(filepath)[1]
+  return extensionMap.get(ext, extensionMap[None])
+
+###### Escaping ######
+
+import types
+from htmlentitydefs import entitydefs
+
+entityify = dict([c,e] for e,c in entitydefs.iteritems())
+
+def escapeMarkup(data):
+  """Escape markup characters (&, >, <). Copied from xml.sax.saxutils.
+  """
+  # must do ampersand first
+  data = data.replace("&", "&amp;")
+  data = data.replace(">", "&gt;")
+  data = data.replace("<", "&lt;")
+  return data
+
+def escapeToNamedASCII(text):
+  """Escapes to named entities where possible and numeric-escapes non-ASCII
+  """
+  return escapeToNamed(text).encode('ascii', 'xmlcharrefreplace')
+
+def escapeToNamed(text):
+  """Escape characters with named entities.
+  """
+  escapable = set()
+
+  for c in text:
+    if ord(c) > 127:
+      escapable.add(c)
+  if type(text) == types.UnicodeType:
+    for c in escapable:
+      cLatin = c.encode('Latin-1', 'ignore')
+      if (cLatin in entityify):
+        text = text.replace(c, "&%s;" % entityify[cLatin])
+  else:
+    for c in escapable:
+      text = text.replace(c, "&%s;" % entityify[c])
+  return text