drop some 2.6 hacks

IPython/terminal/console/tests/test_console.py

@@ -1,83 +1,78 b''
 """Tests for two-process terminal frontend
 
 Currently only has the most simple test possible, starting a console and running
 a single command.
 
 Authors:
 
 * Min RK
 """
 
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 
 import sys
 
 from nose import SkipTest
 
 import IPython.testing.tools as tt
 from IPython.testing import decorators as dec
 
 #-----------------------------------------------------------------------------
 # Tests
 #-----------------------------------------------------------------------------
 
 @dec.skip_win32
 def test_console_starts():
     """test that `ipython console` starts a terminal"""
     p, pexpect, t = start_console()
     p.sendline('5')
     idx = p.expect([r'Out\[\d+\]: 5', pexpect.EOF], timeout=t)
     idx = p.expect([r'In \[\d+\]', pexpect.EOF], timeout=t)
     stop_console(p, pexpect, t)
 
 def test_help_output():
     """ipython console --help-all works"""
     tt.help_all_output_test('console')
 
 
 def test_display_text():
     "Ensure display protocol plain/text key is supported"
     # equivalent of:
     #
     #   x = %lsmagic
     #   from IPython.display import display; display(x);
     p, pexpect, t = start_console()
     p.sendline('x = %lsmagic')
     idx = p.expect([r'In \[\d+\]', pexpect.EOF], timeout=t)
     p.sendline('from IPython.display import display; display(x);')
     p.expect([r'Available line magics:', pexpect.EOF], timeout=t)
     stop_console(p, pexpect, t)
 
 def stop_console(p, pexpect, t):
     "Stop a running `ipython console` running via pexpect"
     # send ctrl-D;ctrl-D to exit
     p.sendeof()
     p.sendeof()
     p.expect([pexpect.EOF, pexpect.TIMEOUT], timeout=t)
     if p.isalive():
         p.terminate()
 
 
 def start_console():
     "Start `ipython console` using pexpect"
     from IPython.external import pexpect
     
-    args = ['console', '--colors=NoColor']
-    # FIXME: remove workaround for 2.6 support
-    if sys.version_info[:2] > (2,6):
-        args = ['-m', 'IPython'] + args
+    args = ['-m', 'IPython', 'console', '--colors=NoColor']
         cmd = sys.executable
-    else:
-        cmd = 'ipython'
     
     try:
         p = pexpect.spawn(cmd, args=args)
     except IOError:
         raise SkipTest("Couldn't find command %s" % cmd)
     
     # timeout after one minute
     t = 60
     idx = p.expect([r'In \[\d+\]', pexpect.EOF], timeout=t)
     return p, pexpect, t

IPython/utils/py3compat.py

@@ -1,247 +1,244 b''
 # coding: utf-8
 """Compatibility tricks for Python 3. Mainly to do with unicode."""
 import functools
 import os
 import sys
 import re
 import types
 
 from .encoding import DEFAULT_ENCODING
 
 def no_code(x, encoding=None):
     return x
 
 def decode(s, encoding=None):
     encoding = encoding or DEFAULT_ENCODING
     return s.decode(encoding, "replace")
 
 def encode(u, encoding=None):
     encoding = encoding or DEFAULT_ENCODING
     return u.encode(encoding, "replace")
 
 
 def cast_unicode(s, encoding=None):
     if isinstance(s, bytes):
         return decode(s, encoding)
     return s
 
 def cast_bytes(s, encoding=None):
     if not isinstance(s, bytes):
         return encode(s, encoding)
     return s
 
 def _modify_str_or_docstring(str_change_func):
     @functools.wraps(str_change_func)
     def wrapper(func_or_str):
         if isinstance(func_or_str, string_types):
             func = None
             doc = func_or_str
         else:
             func = func_or_str
             doc = func.__doc__
         
         doc = str_change_func(doc)
         
         if func:
             func.__doc__ = doc
             return func
         return doc
     return wrapper
 
 def safe_unicode(e):
     """unicode(e) with various fallbacks. Used for exceptions, which may not be
     safe to call unicode() on.
     """
     try:
         return unicode_type(e)
     except UnicodeError:
         pass
 
     try:
         return str_to_unicode(str(e))
     except UnicodeError:
         pass
 
     try:
         return str_to_unicode(repr(e))
     except UnicodeError:
         pass
 
     return u'Unrecoverably corrupt evalue'
 
 if sys.version_info[0] >= 3:
     PY3 = True
     
     # keep reference to builtin_mod because the kernel overrides that value
     # to forward requests to a frontend.
     def input(prompt=''):
         return builtin_mod.input(prompt)
     
     builtin_mod_name = "builtins"
     import builtins as builtin_mod
     
     str_to_unicode = no_code
     unicode_to_str = no_code
     str_to_bytes = encode
     bytes_to_str = decode
     cast_bytes_py2 = no_code
     cast_unicode_py2 = no_code
     
     string_types = (str,)
     unicode_type = str
     
     def isidentifier(s, dotted=False):
         if dotted:
             return all(isidentifier(a) for a in s.split("."))
         return s.isidentifier()
 
     xrange = range
     def iteritems(d): return iter(d.items())
     def itervalues(d): return iter(d.values())
     getcwd = os.getcwd
     
     MethodType = types.MethodType
     
     def execfile(fname, glob, loc=None):
         loc = loc if (loc is not None) else glob
         with open(fname, 'rb') as f:
             exec(compile(f.read(), fname, 'exec'), glob, loc)
     
     # Refactor print statements in doctests.
     _print_statement_re = re.compile(r"\bprint (?P<expr>.*)$", re.MULTILINE)
     def _print_statement_sub(match):
         expr = match.groups('expr')
         return "print(%s)" % expr
     
     @_modify_str_or_docstring
     def doctest_refactor_print(doc):
         """Refactor 'print x' statements in a doctest to print(x) style. 2to3
         unfortunately doesn't pick up on our doctests.
         
         Can accept a string or a function, so it can be used as a decorator."""
         return _print_statement_re.sub(_print_statement_sub, doc)
     
     # Abstract u'abc' syntax:
     @_modify_str_or_docstring
     def u_format(s):
         """"{u}'abc'" --> "'abc'" (Python 3)
         
         Accepts a string or a function, so it can be used as a decorator."""
         return s.format(u='')
     
     def get_closure(f):
         """Get a function's closure attribute"""
         return f.__closure__
 
 else:
     PY3 = False
     
     # keep reference to builtin_mod because the kernel overrides that value
     # to forward requests to a frontend.
     def input(prompt=''):
         return builtin_mod.raw_input(prompt)
     
     builtin_mod_name = "__builtin__"
     import __builtin__ as builtin_mod
     
     str_to_unicode = decode
     unicode_to_str = encode
     str_to_bytes = no_code
     bytes_to_str = no_code
     cast_bytes_py2 = cast_bytes
     cast_unicode_py2 = cast_unicode
     
     string_types = (str, unicode)
     unicode_type = unicode
     
     import re
     _name_re = re.compile(r"[a-zA-Z_][a-zA-Z0-9_]*$")
     def isidentifier(s, dotted=False):
         if dotted:
             return all(isidentifier(a) for a in s.split("."))
         return bool(_name_re.match(s))
     
     xrange = xrange
     def iteritems(d): return d.iteritems()
     def itervalues(d): return d.itervalues()
     getcwd = os.getcwdu
 
     def MethodType(func, instance):
         return types.MethodType(func, instance, type(instance))
     
     def doctest_refactor_print(func_or_str):
         return func_or_str
 
     def get_closure(f):
         """Get a function's closure attribute"""
         return f.func_closure
 
     # Abstract u'abc' syntax:
     @_modify_str_or_docstring
     def u_format(s):
         """"{u}'abc'" --> "u'abc'" (Python 2)
         
         Accepts a string or a function, so it can be used as a decorator."""
         return s.format(u='u')
 
     if sys.platform == 'win32':
         def execfile(fname, glob=None, loc=None):
             loc = loc if (loc is not None) else glob
-            # The rstrip() is necessary b/c trailing whitespace in files will
-            # cause an IndentationError in Python 2.6 (this was fixed in 2.7,
-            # but we still support 2.6).  See issue 1027.
-            scripttext = builtin_mod.open(fname).read().rstrip() + '\n'
+            scripttext = builtin_mod.open(fname).read()+ '\n'
             # compile converts unicode filename to str assuming
             # ascii. Let's do the conversion before calling compile
             if isinstance(fname, unicode):
                 filename = unicode_to_str(fname)
             else:
                 filename = fname
             exec(compile(scripttext, filename, 'exec'), glob, loc)
     else:
         def execfile(fname, *where):
             if isinstance(fname, unicode):
                 filename = fname.encode(sys.getfilesystemencoding())
             else:
                 filename = fname
             builtin_mod.execfile(filename, *where)
 
 
 def annotate(**kwargs):
     """Python 3 compatible function annotation for Python 2."""
     if not kwargs:
         raise ValueError('annotations must be provided as keyword arguments')
     def dec(f):
         if hasattr(f, '__annotations__'):
             for k, v in kwargs.items():
                 f.__annotations__[k] = v
         else:
             f.__annotations__ = kwargs
         return f
     return dec
 
 
 # Parts below taken from six:
 # Copyright (c) 2010-2013 Benjamin Peterson
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
 # in the Software without restriction, including without limitation the rights
 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
 # The above copyright notice and this permission notice shall be included in all
 # copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
 def with_metaclass(meta, *bases):
     """Create a base class with a metaclass."""
     return meta("_NewBase", bases, {})