merge heads

26 files changed, 55 insertions, 383 deletions

diff --git a/CHANGES b/CHANGES
index 020058ee..33cc66fd 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,11 @@
 Release 1.3 (in development)
 ============================
 
+Change support versions
+-----------------------
+
+* Drop Python-2.5, 3.1 (support code was completely removed)
+
 Incompatible changes
 --------------------
 
diff --git a/doc/install.rst b/doc/install.rst
index bf653872..71e37e9c 100644
--- a/doc/install.rst
+++ b/doc/install.rst
@@ -4,7 +4,7 @@ Installing Sphinx
 =================
 
 Since Sphinx is written in the Python language, you need to install Python
-(the required version is at least 2.5) and Sphinx.
+(the required version is at least 2.6) and Sphinx.
 
 Sphinx packages are available on the `Python Package Index
 <https://pypi.python.org/pypi/Sphinx>`_.
@@ -79,8 +79,8 @@ sidebar and under "Quick Links", click "Windows Installer" to download.
 
 .. note::
 
-   Currently, Python offers two major versions, 2.x and 3.x. Sphinx 1.2 can run
-   under Python 2.5 to 2.7 and 3.1 to 3.3, with the recommended version being
+   Currently, Python offers two major versions, 2.x and 3.x. Sphinx 1.3 can run
+   under Python 2.6, 2.7, 3.2, 3.3, with the recommended version being
    2.7.  This chapter assumes you have installed Python 2.7.
 
 Follow the Windows installer for Python.
diff --git a/doc/intro.rst b/doc/intro.rst
index 66d0c58d..dd541bf1 100644
--- a/doc/intro.rst
+++ b/doc/intro.rst
@@ -54,7 +54,7 @@ See the :ref:`pertinent section in the FAQ list <usingwith>`.
 Prerequisites
 -------------
 
-Sphinx needs at least **Python 2.5** or **Python 3.1** to run, as well as the
+Sphinx needs at least **Python 2.6** or **Python 3.2** to run, as well as the
 docutils_ and Jinja2_ libraries.  Sphinx should work with docutils version 0.7
 or some (not broken) SVN trunk snapshot.  If you like to have source code
 highlighting support, you must also install the Pygments_ library.
diff --git a/setup.py b/setup.py
index 553cf12d..53a4c04b 100644
--- a/setup.py
+++ b/setup.py
@@ -44,20 +44,20 @@ A development egg can be found `here
 <http://bitbucket.org/birkenfeld/sphinx/get/tip.gz#egg=Sphinx-dev>`_.
 '''
 
+if sys.version_info < (2, 6) or (3, 0) <= sys.version_info < (3, 2):
+    print('ERROR: Sphinx requires at least Python 2.6 or 3.2 to run.')
+    sys.exit(1)
+
 requires = ['Pygments>=1.2', 'docutils>=0.7']
 
 if sys.version_info[:3] >= (3, 3, 0):
     requires[1] = 'docutils>=0.10'
 
-if sys.version_info < (2, 6) or (3, 0) <= sys.version_info < (3, 3):
+if (3, 0) <= sys.version_info < (3, 3):
     requires.append('Jinja2>=2.3,<2.7')
-else:
+else:  # 2.6, 2.7, 3.3 or later
     requires.append('Jinja2>=2.3')
 
-if sys.version_info < (2, 5):
-    print('ERROR: Sphinx requires at least Python 2.5 to run.')
-    sys.exit(1)
-
 # tell distribute to use 2to3 with our own fixers
 extra = {}
 if sys.version_info >= (3, 0):
diff --git a/sphinx/__init__.py b/sphinx/__init__.py
index f93e57a1..2551526f 100644
--- a/sphinx/__init__.py
+++ b/sphinx/__init__.py
@@ -42,8 +42,9 @@ if '+' in __version__ or 'pre' in __version__:
 
 def main(argv=sys.argv):
     """Sphinx build "main" command-line entry."""
-    if sys.version_info[:3] < (2, 5, 0):
-        sys.stderr.write('Error: Sphinx requires at least Python 2.5 to run.\n')
+    if (sys.version_info[:3] < (2, 6, 0) or
+       (3, 0, 0) <= sys.version_info[:3] < (3, 2, 0)):
+        sys.stderr.write('Error: Sphinx requires at least Python 2.6 to run.\n')
         return 1
     try:
         from sphinx import cmdline
diff --git a/sphinx/builders/epub.py b/sphinx/builders/epub.py
index 1dfcc704..35061b79 100644
--- a/sphinx/builders/epub.py
+++ b/sphinx/builders/epub.py
@@ -12,7 +12,6 @@
 
 import os
 import re
-import sys
 import time
 import codecs
 import zipfile
@@ -750,12 +749,5 @@ class EpubBuilder(StandaloneHTMLBuilder):
             zipfile.ZIP_STORED)
         for file in projectfiles:
             fp = path.join(outdir, file)
-            if sys.version_info < (2, 6):
-                # When zipile.ZipFile.write call with unicode filename, ZipFile
-                # encode filename to 'utf-8' (only after Python-2.6).
-                if isinstance(file, unicode):
-                    # OEBPS Container Format (OCF) 2.0.1 specification require
-                    # "File Names MUST be UTF-8 encoded".
-                    file = file.encode('utf-8')
             epub.write(fp, file, zipfile.ZIP_DEFLATED)
         epub.close()
diff --git a/sphinx/builders/html.py b/sphinx/builders/html.py
index dd62e2ba..b6ebf926 100644
--- a/sphinx/builders/html.py
+++ b/sphinx/builders/html.py
@@ -16,11 +16,7 @@ import codecs
 import posixpath
 import cPickle as pickle
 from os import path
-try:
-    from hashlib import md5
-except ImportError:
-    # 2.4 compatibility
-    from md5 import md5
+from hashlib import md5
 
 from docutils import nodes
 from docutils.io import DocTreeInput, StringOutput
@@ -35,7 +31,7 @@ from sphinx.util.osutil import SEP, os_path, relative_uri, ensuredir, \
      movefile, ustrftime, copyfile
 from sphinx.util.nodes import inline_all_toctrees
 from sphinx.util.matching import patmatch, compile_matchers
-from sphinx.util.pycompat import any, b
+from sphinx.util.pycompat import b
 from sphinx.errors import SphinxError
 from sphinx.locale import _
 from sphinx.search import js_index
@@ -1098,8 +1094,4 @@ class JSONHTMLBuilder(SerializingHTMLBuilder):
     searchindex_filename = 'searchindex.json'
 
     def init(self):
-        if jsonimpl.json is None:
-            raise SphinxError(
-                'The module simplejson (or json in Python >= 2.6) '
-                'is not available. The JSONHTMLBuilder builder will not work.')
         SerializingHTMLBuilder.init(self)
diff --git a/sphinx/builders/linkcheck.py b/sphinx/builders/linkcheck.py
index 6cbe361b..171e68d5 100644
--- a/sphinx/builders/linkcheck.py
+++ b/sphinx/builders/linkcheck.py
@@ -10,7 +10,6 @@
 """
 
 import re
-import sys
 import Queue
 import socket
 import threading
@@ -110,7 +109,7 @@ class CheckExternalLinksBuilder(Builder):
 
     def check_thread(self):
         kwargs = {}
-        if sys.version_info > (2, 5) and self.app.config.linkcheck_timeout:
+        if self.app.config.linkcheck_timeout:
             kwargs['timeout'] = self.app.config.linkcheck_timeout
 
         def check():
diff --git a/sphinx/ext/autodoc.py b/sphinx/ext/autodoc.py
index c454641b..571f36cb 100644
--- a/sphinx/ext/autodoc.py
+++ b/sphinx/ext/autodoc.py
@@ -29,7 +29,7 @@ from sphinx.util.nodes import nested_parse_with_titles
 from sphinx.util.compat import Directive
 from sphinx.util.inspect import getargspec, isdescriptor, safe_getmembers, \
      safe_getattr, safe_repr, is_builtin_class_method
-from sphinx.util.pycompat import base_exception, class_types
+from sphinx.util.pycompat import class_types
 from sphinx.util.docstrings import prepare_docstring
 
 
@@ -1130,7 +1130,7 @@ class ExceptionDocumenter(ClassDocumenter):
     @classmethod
     def can_document_member(cls, member, membername, isattr, parent):
         return isinstance(member, class_types) and \
-               issubclass(member, base_exception)
+               issubclass(member, BaseException)
 
 
 class DataDocumenter(ModuleLevelDocumenter):
diff --git a/sphinx/highlighting.py b/sphinx/highlighting.py
index 2c95dec0..c30c9ef3 100644
--- a/sphinx/highlighting.py
+++ b/sphinx/highlighting.py
@@ -63,12 +63,6 @@ _LATEX_STYLES = r'''
 \newcommand\PYGZcb{\char`\}}
 '''
 
-parsing_exceptions = (SyntaxError, UnicodeEncodeError)
-if sys.version_info < (2, 5):
-    # Python <= 2.4 raises MemoryError when parsing an
-    # invalid encoding cookie
-    parsing_exceptions += MemoryError,
-
 
 class PygmentsBridge(object):
     # Set these attributes if you want to have different Pygments formatters
@@ -131,10 +125,6 @@ class PygmentsBridge(object):
         # lines beginning with "..." are probably placeholders for suite
         src = re.sub(r"(?m)^(\s*)" + mark + "(.)", r"\1"+ mark + r"# \2", src)
 
-        # if we're using 2.5, use the with statement
-        if sys.version_info >= (2, 5):
-            src = 'from __future__ import with_statement\n' + src
-
         if sys.version_info < (3, 0) and isinstance(src, unicode):
             # Non-ASCII chars will only occur in string literals
             # and comments.  If we wanted to give them to the parser
@@ -143,18 +133,12 @@ class PygmentsBridge(object):
             # just replace all non-ASCII characters.
             src = src.encode('ascii', 'replace')
 
-        if (3, 0) <= sys.version_info < (3, 2):
-            # Python 3.1 can't process '\r' as linesep.
-            # `parser.suite("print('hello')\r\n")` cause error.
-            if '\r\n' in src:
-                src = src.replace('\r\n', '\n')
-
         if parser is None:
             return True
 
         try:
             parser.suite(src)
-        except parsing_exceptions:
+        except (SyntaxError, UnicodeEncodeError):
             return False
         else:
             return True
diff --git a/sphinx/pycode/__init__.py b/sphinx/pycode/__init__.py
index 2c0708f9..54e79da6 100644
--- a/sphinx/pycode/__init__.py
+++ b/sphinx/pycode/__init__.py
@@ -17,7 +17,7 @@ from sphinx.errors import PycodeError
 from sphinx.pycode import nodes
 from sphinx.pycode.pgen2 import driver, token, tokenize, parse, literals
 from sphinx.util import get_module_source, detect_encoding
-from sphinx.util.pycompat import next, StringIO, BytesIO, TextIOWrapper
+from sphinx.util.pycompat import StringIO, BytesIO, TextIOWrapper
 from sphinx.util.docstrings import prepare_docstring, prepare_commentdoc
 
 
diff --git a/sphinx/pycode/pgen2/parse.c b/sphinx/pycode/pgen2/parse.c
index e09f5058..96fa6c8b 100644
--- a/sphinx/pycode/pgen2/parse.c
+++ b/sphinx/pycode/pgen2/parse.c
@@ -353,95 +353,6 @@ static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
 
 static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],     PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,     const char* function_name); /*proto*/
 
-#if PY_VERSION_HEX < 0x02050000
-#ifndef PyAnySet_CheckExact
-
-#define PyAnySet_CheckExact(ob) \
-    ((ob)->ob_type == &PySet_Type || \
-     (ob)->ob_type == &PyFrozenSet_Type)
-
-#define PySet_New(iterable) \
-    PyObject_CallFunctionObjArgs((PyObject *)&PySet_Type, (iterable), NULL)
-
-#define Pyx_PyFrozenSet_New(iterable) \
-    PyObject_CallFunctionObjArgs((PyObject *)&PyFrozenSet_Type, (iterable), NULL)
-
-#define PySet_Size(anyset) \
-    PyObject_Size((anyset))
-
-#define PySet_Contains(anyset, key) \
-    PySequence_Contains((anyset), (key))
-
-#define PySet_Pop(set) \
-    PyObject_CallMethod(set, (char *)"pop", NULL)
-
-static INLINE int PySet_Clear(PyObject *set) {
-    PyObject *ret = PyObject_CallMethod(set, (char *)"clear", NULL);
-    if (!ret) return -1;
-    Py_DECREF(ret); return 0;
-}
-
-static INLINE int PySet_Discard(PyObject *set, PyObject *key) {
-    PyObject *ret = PyObject_CallMethod(set, (char *)"discard", (char *)"O", key);
-    if (!ret) return -1;
-    Py_DECREF(ret); return 0;
-}
-
-static INLINE int PySet_Add(PyObject *set, PyObject *key) {
-    PyObject *ret = PyObject_CallMethod(set, (char *)"add", (char *)"O", key);
-    if (!ret) return -1;
-    Py_DECREF(ret); return 0;
-}
-
-#endif /* PyAnySet_CheckExact (<= Py2.4) */
-
-#if PY_VERSION_HEX < 0x02040000
-#ifndef Py_SETOBJECT_H
-#define Py_SETOBJECT_H
-
-static PyTypeObject *__Pyx_PySet_Type = NULL;
-static PyTypeObject *__Pyx_PyFrozenSet_Type = NULL;
-
-#define PySet_Type (*__Pyx_PySet_Type)
-#define PyFrozenSet_Type (*__Pyx_PyFrozenSet_Type)
-
-#define PyAnySet_Check(ob) \
-    (PyAnySet_CheckExact(ob) || \
-     PyType_IsSubtype((ob)->ob_type, &PySet_Type) || \
-     PyType_IsSubtype((ob)->ob_type, &PyFrozenSet_Type))
-
-#define PyFrozenSet_CheckExact(ob) ((ob)->ob_type == &PyFrozenSet_Type)
-
-static int __Pyx_Py23SetsImport(void) {
-    PyObject *sets=0, *Set=0, *ImmutableSet=0;
-
-    sets = PyImport_ImportModule((char *)"sets");
-    if (!sets) goto bad;
-    Set = PyObject_GetAttrString(sets, (char *)"Set");
-    if (!Set) goto bad;
-    ImmutableSet = PyObject_GetAttrString(sets, (char *)"ImmutableSet");
-    if (!ImmutableSet) goto bad;
-    Py_DECREF(sets);
-
-    __Pyx_PySet_Type       = (PyTypeObject*) Set;
-    __Pyx_PyFrozenSet_Type = (PyTypeObject*) ImmutableSet;
-
-    return 0;
-
- bad:
-    Py_XDECREF(sets);
-    Py_XDECREF(Set);
-    Py_XDECREF(ImmutableSet);
-    return -1;
-}
-
-#else
-static int __Pyx_Py23SetsImport(void) { return 0; }
-#endif /* !Py_SETOBJECT_H */
-#endif /* < Py2.4  */
-#endif /* < Py2.5  */
-
-
 static INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
     PyObject *r;
     if (!j) return NULL;
diff --git a/sphinx/quickstart.py b/sphinx/quickstart.py
index ce18c0c1..3e32f35b 100644
--- a/sphinx/quickstart.py
+++ b/sphinx/quickstart.py
@@ -11,6 +11,7 @@
 
 import sys, os, time, re
 from os import path
+from io import open
 
 TERM_ENCODING = getattr(sys.stdin, 'encoding', None)
 
@@ -21,7 +22,6 @@ from sphinx.util.osutil import make_filename
 from sphinx.util.console import purple, bold, red, turquoise, \
      nocolor, color_terminal
 from sphinx.util import texescape
-from sphinx.util.pycompat import open
 
 # function to get input from terminal -- overridden by the test suite
 try:
diff --git a/sphinx/transforms.py b/sphinx/transforms.py
index 338d4739..35e9d297 100644
--- a/sphinx/transforms.py
+++ b/sphinx/transforms.py
@@ -23,7 +23,6 @@ from sphinx.util import split_index_msg
 from sphinx.util.nodes import traverse_translatable_index, extract_messages
 from sphinx.util.osutil import ustrftime, find_catalog
 from sphinx.util.compat import docutils_version
-from sphinx.util.pycompat import all
 from sphinx.domains.std import (
     make_term_from_paragraph_node,
     make_termnodes_from_paragraph_node,
diff --git a/sphinx/util/inspect.py b/sphinx/util/inspect.py
index 61061a9a..c7556d05 100644
--- a/sphinx/util/inspect.py
+++ b/sphinx/util/inspect.py
@@ -55,7 +55,7 @@ if sys.version_info >= (3, 0):
             raise TypeError('%r is not a Python function' % func)
         return inspect.getfullargspec(func)
 
-elif sys.version_info >= (2, 5):
+else:  # 2.6, 2.7
     from functools import partial
     def getargspec(func):
         """Like inspect.getargspec but supports functools.partial as well."""
@@ -86,12 +86,7 @@ elif sys.version_info >= (2, 5):
                     del func_defaults[i]
                 except IndexError:
                     pass
-        if sys.version_info >= (2, 6):
-            return inspect.ArgSpec(args, varargs, varkw, func_defaults)
-        else:
-            return (args, varargs, varkw, func_defaults)
-else:
-    getargspec = inspect.getargspec
+        return inspect.ArgSpec(args, varargs, varkw, func_defaults)
 
 
 def isdescriptor(x):
diff --git a/sphinx/util/jsonimpl.py b/sphinx/util/jsonimpl.py
index aa0ea825..de846b24 100644
--- a/sphinx/util/jsonimpl.py
+++ b/sphinx/util/jsonimpl.py
@@ -10,27 +10,15 @@
 """
 
 import UserString
+import json
 
-try:
-    import json
-    # json-py's json module has no JSONEncoder; this will raise AttributeError
-    # if json-py is imported instead of the built-in json module
-    JSONEncoder = json.JSONEncoder
-except (ImportError, AttributeError):
-    try:
-        import simplejson as json
-        JSONEncoder = json.JSONEncoder
-    except ImportError:
-        json = None
-        JSONEncoder = object
-
-
-class SphinxJSONEncoder(JSONEncoder):
+
+class SphinxJSONEncoder(json.JSONEncoder):
     """JSONEncoder subclass that forces translation proxies."""
     def default(self, obj):
         if isinstance(obj, UserString.UserString):
             return unicode(obj)
-        return JSONEncoder.default(self, obj)
+        return json.JSONEncoder.default(self, obj)
 
 
 def dump(obj, fp, *args, **kwds):
diff --git a/sphinx/util/osutil.py b/sphinx/util/osutil.py
index 87717771..a5c461a6 100644
--- a/sphinx/util/osutil.py
+++ b/sphinx/util/osutil.py
@@ -69,6 +69,9 @@ def ensuredir(path):
             raise
 
 
+# This function is same as os.walk of Python2.6, 2.7, 3.2, 3.3 except a
+# customization that check UnicodeError.
+# The customization obstacle to replace the function with the os.walk.
 def walk(top, topdown=True, followlinks=False):
     """Backport of os.walk from 2.6, where the *followlinks* argument was
     added.
@@ -155,9 +158,8 @@ else:
 
 
 def safe_relpath(path, start=None):
-    from sphinx.util.pycompat import relpath
     try:
-        return relpath(path, start)
+        return os.path.relpath(path, start)
     except ValueError:
         return path
 
@@ -171,14 +173,13 @@ def find_catalog(docname, compaction):
 
 
 def find_catalog_files(docname, srcdir, locale_dirs, lang, compaction):
-    from sphinx.util.pycompat import relpath
     if not(lang and locale_dirs):
         return []
 
     domain = find_catalog(docname, compaction)
     files = [gettext.find(domain, path.join(srcdir, dir_), [lang])
              for dir_ in locale_dirs]
-    files = [relpath(f, srcdir) for f in files if f]
+    files = [path.relpath(f, srcdir) for f in files if f]
     return files
 
 
diff --git a/sphinx/util/pycompat.py b/sphinx/util/pycompat.py
index 1e5ea314..9941dc0c 100644
--- a/sphinx/util/pycompat.py
+++ b/sphinx/util/pycompat.py
@@ -11,7 +11,6 @@
 
 import sys
 import codecs
-import encodings
 
 # ------------------------------------------------------------------------------
 # Python 2/3 compatibility
@@ -48,6 +47,7 @@ if sys.version_info >= (3, 0):
             # try to match ParseError details with SyntaxError details
             raise SyntaxError(err.msg, (filepath, lineno, offset, err.value))
         return unicode(tree)
+    from itertools import zip_longest  # Python 3 name
 
 else:
     # Python 2
@@ -69,6 +69,8 @@ else:
     # error handler
     import locale
     sys_encoding = locale.getpreferredencoding()
+    # use Python 3 name
+    from itertools import izip_longest as zip_longest
 
 
 def execfile_(filepath, _globals):
@@ -81,8 +83,8 @@ def execfile_(filepath, _globals):
     finally:
         f.close()
 
-    # py25,py26,py31 accept only LF eol instead of CRLF
-    if sys.version_info[:2] in ((2, 5), (2, 6), (3, 1)):
+    # py26 accept only LF eol instead of CRLF
+    if sys.version_info[:2] == (2, 6):
         source = source.replace(b('\r\n'), b('\n'))
 
     # compile to a code object, handle syntax errors
@@ -100,178 +102,7 @@ def execfile_(filepath, _globals):
     exec code in _globals
 
 
-try:
-    from html import escape as htmlescape
-except ImportError:
+if sys.version_info >= (3, 2):
+    from html import escape as htmlescape  # >= Python 3.2
+else:  # 2.6, 2.7, 3.1
     from cgi import escape as htmlescape
-
-# ------------------------------------------------------------------------------
-# Missing builtins and itertools in Python < 2.6
-
-if sys.version_info >= (2, 6):
-    # Python >= 2.6
-    next = next
-
-    from itertools import product
-    try:
-        from itertools import zip_longest  # Python 3 name
-    except ImportError:
-        from itertools import izip_longest as zip_longest
-
-    import os
-    relpath = os.path.relpath
-    del os
-
-    import io
-    open = io.open
-
-else:
-    # Python < 2.6
-    from itertools import izip, repeat, chain
-
-    # this is on Python 2, where the method is called "next" (it is refactored
-    # to __next__ by 2to3, but in that case never executed)
-    def next(iterator):
-        return iterator.next()
-
-    # These replacement functions have been taken from the Python 2.6
-    # itertools documentation.
-    def product(*args, **kwargs):
-        pools = map(tuple, args) * kwargs.get('repeat', 1)
-        result = [[]]
-        for pool in pools:
-            result = [x + [y] for x in result for y in pool]
-        for prod in result:
-            yield tuple(prod)
-
-    def zip_longest(*args, **kwds):
-        # zip_longest('ABCD', 'xy', fillvalue='-') --> Ax By C- D-
-        fillvalue = kwds.get('fillvalue')
-        def sentinel(counter = ([fillvalue]*(len(args)-1)).pop):
-            yield counter()   # yields the fillvalue, or raises IndexError
-        fillers = repeat(fillvalue)
-        iters = [chain(it, sentinel(), fillers) for it in args]
-        try:
-            for tup in izip(*iters):
-                yield tup
-        except IndexError:
-            pass
-
-    from os.path import curdir
-    def relpath(path, start=curdir):
-        """Return a relative version of a path"""
-        from os.path import sep, abspath, commonprefix, join, pardir
-
-        if not path:
-            raise ValueError("no path specified")
-
-        start_list = abspath(start).split(sep)
-        path_list = abspath(path).split(sep)
-
-        # Work out how much of the filepath is shared by start and path.
-        i = len(commonprefix([start_list, path_list]))
-
-        rel_list = [pardir] * (len(start_list)-i) + path_list[i:]
-        if not rel_list:
-            return start
-        return join(*rel_list)
-    del curdir
-
-    from types import MethodType
-    def open(filename, mode='r', *args, **kw):
-        newline = kw.pop('newline', None)
-        mode = mode.replace('t', '')
-        f = codecs.open(filename, mode, *args, **kw)
-        if newline is not None:
-            f._write = f.write
-            def write(self, text):
-                text = text.replace(u'\r\n', u'\n').replace(u'\n', newline)
-                self._write(text)
-            f.write = MethodType(write, f)
-        return f
-
-
-# ------------------------------------------------------------------------------
-# Missing builtins and codecs in Python < 2.5
-
-if sys.version_info >= (2, 5):
-    # Python >= 2.5
-    base_exception = BaseException
-    any = any
-    all = all
-
-else:
-    # Python 2.4
-    base_exception = Exception
-
-    def all(gen):
-        for i in gen:
-            if not i:
-                return False
-        return True
-
-    def any(gen):
-        for i in gen:
-            if i:
-                return True
-        return False
-
-    # Python 2.4 doesn't know the utf-8-sig encoding, so deliver it here
-
-    def my_search_function(encoding):
-        norm_encoding = encodings.normalize_encoding(encoding)
-        if norm_encoding != 'utf_8_sig':
-            return None
-        return (encode, decode, StreamReader, StreamWriter)
-
-    codecs.register(my_search_function)
-
-    # begin code copied from utf_8_sig.py in Python 2.6
-
-    def encode(input, errors='strict'):
-        return (codecs.BOM_UTF8 +
-                codecs.utf_8_encode(input, errors)[0], len(input))
-
-    def decode(input, errors='strict'):
-        prefix = 0
-        if input[:3] == codecs.BOM_UTF8:
-            input = input[3:]
-            prefix = 3
-        (output, consumed) = codecs.utf_8_decode(input, errors, True)
-        return (output, consumed+prefix)
-
-    class StreamWriter(codecs.StreamWriter):
-        def reset(self):
-            codecs.StreamWriter.reset(self)
-            try:
-                del self.encode
-            except AttributeError:
-                pass
-
-        def encode(self, input, errors='strict'):
-            self.encode = codecs.utf_8_encode
-            return encode(input, errors)
-
-    class StreamReader(codecs.StreamReader):
-        def reset(self):
-            codecs.StreamReader.reset(self)
-            try:
-                del self.decode
-            except AttributeError:
-                pass
-
-        def decode(self, input, errors='strict'):
-            if len(input) < 3:
-                if codecs.BOM_UTF8.startswith(input):
-                    # not enough data to decide if this is a BOM
-                    # => try again on the next call
-                    return (u"", 0)
-            elif input[:3] == codecs.BOM_UTF8:
-                self.decode = codecs.utf_8_decode
-                (output, consumed) = codecs.utf_8_decode(input[3:],errors)
-                return (output, consumed+3)
-            # (else) no BOM present
-            self.decode = codecs.utf_8_decode
-            return codecs.utf_8_decode(input, errors)
-
-    # end code copied from utf_8_sig.py
diff --git a/sphinx/versioning.py b/sphinx/versioning.py
index a16751bb..ccab41d4 100644
--- a/sphinx/versioning.py
+++ b/sphinx/versioning.py
@@ -11,8 +11,9 @@
 """
 from uuid import uuid4
 from operator import itemgetter
+from itertools import product
 
-from sphinx.util.pycompat import product, zip_longest, all
+from sphinx.util.pycompat import zip_longest
 
 
 # anything below that ratio is considered equal/changed
diff --git a/sphinx/writers/latex.py b/sphinx/writers/latex.py
index b55adda0..5429bcbb 100644
--- a/sphinx/writers/latex.py
+++ b/sphinx/writers/latex.py
@@ -25,7 +25,6 @@ from sphinx.errors import SphinxError
 from sphinx.locale import admonitionlabels, _
 from sphinx.util import split_into
 from sphinx.util.osutil import ustrftime
-from sphinx.util.pycompat import any
 from sphinx.util.texescape import tex_escape_map, tex_replace_map
 from sphinx.util.smartypants import educate_quotes_latex
 
diff --git a/tests/test_autodoc.py b/tests/test_autodoc.py
index 3735a7b6..82eb0f71 100644
--- a/tests/test_autodoc.py
+++ b/tests/test_autodoc.py
@@ -751,12 +751,8 @@ def _funky_classmethod(name, b, c, d, docstring=None):
     some arguments."""
     def template(cls, a, b, c, d=4, e=5, f=6):
         return a, b, c, d, e, f
-    if sys.version_info >= (2, 5):
-        from functools import partial
-        function = partial(template, b=b, c=c, d=d)
-    else:
-        def function(cls, a, e=5, f=6):
-            return template(a, b, c, d, e, f)
+    from functools import partial
+    function = partial(template, b=b, c=c, d=d)
     function.__name__ = name
     function.__doc__ = docstring
     return classmethod(function)
@@ -788,10 +784,9 @@ class Class(Base):
     #: should be documented -- süß
     attr = 'bar'
 
+    @property
     def prop(self):
         """Property."""
-    # stay 2.4 compatible (docstring!)
-    prop = property(prop, doc="Property.")
 
     docattr = 'baz'
     """should likewise be documented -- süß"""
diff --git a/tests/test_intl.py b/tests/test_intl.py
index c9822089..0119d677 100644
--- a/tests/test_intl.py
+++ b/tests/test_intl.py
@@ -16,8 +16,6 @@ from StringIO import StringIO
 from subprocess import Popen, PIPE
 from xml.etree import ElementTree
 
-from sphinx.util.pycompat import relpath
-
 from util import test_roots, path, with_app, SkipTest
 
 
@@ -49,7 +47,7 @@ def setup_module():
         for f in [f for f in files if f.endswith('.po')]:
             po = dirpath / f
             mo = root / 'xx' / 'LC_MESSAGES' / (
-                    relpath(po[:-3], root) + '.mo')
+                    os.path.relpath(po[:-3], root) + '.mo')
             if not mo.parent.exists():
                 mo.parent.makedirs()
             try:
@@ -75,7 +73,7 @@ def teardown_module():
 def elem_gettexts(elem):
     def itertext(self):
         # this function copied from Python-2.7 'ElementTree.itertext'.
-        # for compatibility to Python-2.5, 2.6, 3.1
+        # for compatibility to Python-2.6
         tag = self.tag
         if not isinstance(tag, basestring) and tag is not None:
             return
diff --git a/tests/test_versioning.py b/tests/test_versioning.py
index 6469a33c..5cff92ff 100644
--- a/tests/test_versioning.py
+++ b/tests/test_versioning.py
@@ -15,7 +15,6 @@ from docutils.parsers.rst.directives.html import MetaBody
 
 from sphinx import addnodes
 from sphinx.versioning import add_uids, merge_doctrees, get_ratio
-from sphinx.util.pycompat import all
 
 from util import test_root, TestApp
 
diff --git a/tests/test_websupport.py b/tests/test_websupport.py
index 611a131a..d950a36c 100644
--- a/tests/test_websupport.py
+++ b/tests/test_websupport.py
@@ -11,12 +11,7 @@
 
 import os
 from StringIO import StringIO
-
-try:
-    from functools import wraps
-except ImportError:
-    # functools is new in 2.5
-    wraps = lambda f: (lambda w: w)
+from functools import wraps
 
 from sphinx.websupport import WebSupport
 from sphinx.websupport.errors import DocumentNotFoundError, \
diff --git a/tests/util.py b/tests/util.py
index 4ba89030..a2f345bf 100644
--- a/tests/util.py
+++ b/tests/util.py
@@ -13,12 +13,7 @@ import tempfile
 import shutil
 import re
 from codecs import open
-
-try:
-    from functools import wraps
-except ImportError:
-    # functools is new in 2.4
-    wraps = lambda f: (lambda w: w)
+from functools import wraps
 
 from sphinx import application
 from sphinx.theming import Theme
diff --git a/tox.ini b/tox.ini
index f1675e90..006819ef 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist=py25,py26,py27,py31,py32,py33,pypy,du11,du10,du09,du08,du07
+envlist=py26,py27,py32,py33,pypy,du11,du10,du09,du08,du07
 
 [testenv]
 deps=
@@ -12,14 +12,6 @@ commands=
     {envpython} tests/run.py {posargs}
     sphinx-build -W -b html -d {envtmpdir}/doctrees doc {envtmpdir}/html
 
-[testenv:py25]
-deps=
-    simplejson==2.5.0
-    {[testenv]deps}
-setenv=
-    PIP_INSECURE = 1
-    {[testenv]setenv}
-
 [testenv:py33]
 deps=
     docutils>=0.10.0