##// END OF EJS Templates
update copyright to 2011/20xx-2011...
update copyright to 2011/20xx-2011 Closes #1033 (rebased to prevent recursive merge). Closes #2. 459 *.py files in : 39 empty files 176 files without copyright 36 have copyright but don't cite the dev team 208 have copyright and cite the dev team ----------------------------------------- 0 not up to date (cite dev team but not right year) FYI, list of files that don't have copyright (and are not empty..) [ 'IPython/config/profile/cluster/ipython_config.py', 'IPython/config/profile/math/ipython_config.py', 'IPython/config/profile/pylab/ipython_config.py', 'IPython/config/profile/pysh/ipython_config.py', 'IPython/config/profile/python3/ipython_config.py', 'IPython/config/profile/sympy/ipython_config.py', 'IPython/core/shadowns.py', 'IPython/core/tests/refbug.py', 'IPython/core/tests/simpleerr.py', 'IPython/core/tests/tclass.py', 'IPython/core/tests/test_application.py', 'IPython/core/tests/test_autocall.py', 'IPython/core/tests/test_completer.py', 'IPython/core/tests/test_fakemodule.py', 'IPython/core/tests/test_formatters.py', 'IPython/core/tests/test_handlers.py', 'IPython/core/tests/test_history.py', 'IPython/core/tests/test_imports.py', 'IPython/core/tests/test_iplib.py', 'IPython/core/tests/test_logger.py', 'IPython/core/tests/test_magic.py', 'IPython/core/tests/test_plugin.py', 'IPython/core/tests/test_prefilter.py', 'IPython/core/tests/test_profile.py', 'IPython/core/tests/test_run.py', 'IPython/core/tests/test_splitinput.py', 'IPython/deathrow/astyle.py', 'IPython/deathrow/dtutils.py', 'IPython/deathrow/Gnuplot2.py', 'IPython/deathrow/GnuplotInteractive.py', 'IPython/deathrow/GnuplotRuntime.py', 'IPython/deathrow/gui/wx/ipshell_nonblocking.py', 'IPython/deathrow/gui/wx/ipython_history.py', 'IPython/deathrow/gui/wx/thread_ex.py', 'IPython/deathrow/ibrowse.py', 'IPython/deathrow/igrid.py', 'IPython/deathrow/ipipe.py', 'IPython/deathrow/ipy_defaults.py', 'IPython/deathrow/ipy_kitcfg.py', 'IPython/deathrow/ipy_legacy.py', 'IPython/deathrow/ipy_p4.py', 'IPython/deathrow/ipy_profile_none.py', 'IPython/deathrow/ipy_profile_numpy.py', 'IPython/deathrow/ipy_profile_scipy.py', 'IPython/deathrow/ipy_profile_sh.py', 'IPython/deathrow/ipy_traits_completer.py', 'IPython/deathrow/ipy_vimserver.py', 'IPython/deathrow/numeric_formats.py', 'IPython/deathrow/oldfrontend/process/__init__.py', 'IPython/deathrow/oldfrontend/wx/ipythonx.py', 'IPython/deathrow/scitedirector.py', 'IPython/deathrow/tests/test_prefilter.py', 'IPython/deathrow/twshell.py', 'IPython/extensions/__init__.py', 'IPython/extensions/autoreload.py', 'IPython/extensions/storemagic.py', 'IPython/extensions/tests/test_autoreload.py', 'IPython/external/__init__.py', 'IPython/external/argparse/__init__.py', 'IPython/external/decorator/__init__.py', 'IPython/external/decorators/__init__.py', 'IPython/external/decorators/_decorators.py', 'IPython/external/decorators/_numpy_testing_noseclasses.py', 'IPython/external/decorators/_numpy_testing_utils.py', 'IPython/external/guid/__init__.py', 'IPython/external/Itpl/__init__.py', 'IPython/external/mglob/__init__.py', 'IPython/external/mglob/_mglob.py', 'IPython/external/path/__init__.py', 'IPython/external/path/_path.py', 'IPython/external/pexpect/__init__.py', 'IPython/external/pyparsing/__init__.py', 'IPython/external/qt.py', 'IPython/external/qt_for_kernel.py', 'IPython/external/simplegeneric/__init__.py', 'IPython/external/simplegeneric/_simplegeneric.py', 'IPython/frontend/html/notebook/__init__.py', 'IPython/frontend/html/notebook/tests/test_kernelsession.py', 'IPython/frontend/qt/base_frontend_mixin.py', 'IPython/frontend/qt/console/ansi_code_processor.py', 'IPython/frontend/qt/console/bracket_matcher.py', 'IPython/frontend/qt/console/call_tip_widget.py', 'IPython/frontend/qt/console/completion_lexer.py', 'IPython/frontend/qt/console/completion_widget.py', 'IPython/frontend/qt/console/console_widget.py', 'IPython/frontend/qt/console/history_console_widget.py', 'IPython/frontend/qt/console/ipython_widget.py', 'IPython/frontend/qt/console/kill_ring.py', 'IPython/frontend/qt/console/mainwindow.py', 'IPython/frontend/qt/console/pygments_highlighter.py', 'IPython/frontend/qt/console/qtconsoleapp.py', 'IPython/frontend/qt/console/rich_ipython_widget.py', 'IPython/frontend/qt/console/styles.py', 'IPython/frontend/qt/console/tests/test_ansi_code_processor.py', 'IPython/frontend/qt/console/tests/test_completion_lexer.py', 'IPython/frontend/qt/console/tests/test_kill_ring.py', 'IPython/frontend/qt/kernelmanager.py', 'IPython/frontend/qt/rich_text.py', 'IPython/frontend/qt/svg.py', 'IPython/frontend/qt/util.py', 'IPython/kernel/__init__.py', 'IPython/lib/clipboard.py', 'IPython/lib/display.py', 'IPython/lib/irunner.py', 'IPython/lib/security.py', 'IPython/lib/tests/test_imports.py', 'IPython/lib/tests/test_irunner.py', 'IPython/lib/tests/test_irunner_pylab_magic.py', 'IPython/lib/tests/test_security.py', 'IPython/nbformat/v1/tests/nbexamples.py', 'IPython/nbformat/v1/tests/test_json.py', 'IPython/nbformat/v1/tests/test_nbbase.py', 'IPython/nbformat/v2/tests/nbexamples.py', 'IPython/nbformat/v2/tests/test_json.py', 'IPython/nbformat/v2/tests/test_nbbase.py', 'IPython/nbformat/v2/tests/test_nbpy.py', 'IPython/quarantine/clearcmd.py', 'IPython/quarantine/envpersist.py', 'IPython/quarantine/ext_rescapture.py', 'IPython/quarantine/ipy_app_completers.py', 'IPython/quarantine/ipy_completers.py', 'IPython/quarantine/ipy_editors.py', 'IPython/quarantine/ipy_exportdb.py', 'IPython/quarantine/ipy_extutil.py', 'IPython/quarantine/ipy_fsops.py', 'IPython/quarantine/ipy_gnuglobal.py', 'IPython/quarantine/ipy_jot.py', 'IPython/quarantine/ipy_lookfor.py', 'IPython/quarantine/ipy_profile_doctest.py', 'IPython/quarantine/ipy_pydb.py', 'IPython/quarantine/ipy_rehashdir.py', 'IPython/quarantine/ipy_render.py', 'IPython/quarantine/ipy_server.py', 'IPython/quarantine/ipy_signals.py', 'IPython/quarantine/ipy_synchronize_with.py', 'IPython/quarantine/ipy_system_conf.py', 'IPython/quarantine/ipy_which.py', 'IPython/quarantine/ipy_winpdb.py', 'IPython/quarantine/ipy_workdir.py', 'IPython/quarantine/jobctrl.py', 'IPython/quarantine/ledit.py', 'IPython/quarantine/win32clip.py', 'IPython/testing/mkdoctests.py', 'IPython/testing/plugin/dtexample.py', 'IPython/testing/plugin/ipdoctest.py', 'IPython/testing/plugin/iptest.py', 'IPython/testing/plugin/setup.py', 'IPython/testing/plugin/show_refs.py', 'IPython/testing/plugin/simple.py', 'IPython/testing/plugin/simplevars.py', 'IPython/testing/plugin/test_ipdoctest.py', 'IPython/testing/plugin/test_refs.py', 'IPython/testing/skipdoctest.py', 'IPython/testing/tests/test_decorators.py', 'IPython/utils/autoattr.py', 'IPython/utils/nested_context.py', 'IPython/utils/pickleshare.py', 'IPython/utils/py3compat.py', 'IPython/utils/PyColorize.py', 'IPython/utils/rlineimpl.py', 'IPython/utils/strdispatch.py', 'IPython/utils/tempdir.py', 'IPython/utils/tests/test_imports.py', 'IPython/utils/tests/test_wildcard.py', 'IPython/utils/upgradedir.py', 'IPython/zmq/completer.py', 'IPython/zmq/displayhook.py', 'IPython/zmq/entry_point.py', 'IPython/zmq/frontend.py', 'IPython/zmq/iostream.py', 'IPython/zmq/ipkernel.py', 'IPython/zmq/log.py', 'IPython/zmq/parentpoller.py', 'IPython/zmq/pykernel.py', 'IPython/zmq/pylab/backend_inline.py', 'IPython/zmq/zmqshell.py' ]

File last commit:

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compilerop.py
131 lines | 5.2 KiB | text/x-python | PythonLexer
"""Compiler tools with improved interactive support.
Provides compilation machinery similar to codeop, but with caching support so
we can provide interactive tracebacks.
Authors
-------
* Robert Kern
* Fernando Perez
* Thomas Kluyver
"""
# Note: though it might be more natural to name this module 'compiler', that
# name is in the stdlib and name collisions with the stdlib tend to produce
# weird problems (often with third-party tools).
#-----------------------------------------------------------------------------
# Copyright (C) 2010-2011 The IPython Development Team.
#
# Distributed under the terms of the BSD License.
#
# The full license is in the file COPYING.txt, distributed with this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
from __future__ import print_function
# Stdlib imports
from ast import PyCF_ONLY_AST
import codeop
import hashlib
import linecache
import time
#-----------------------------------------------------------------------------
# Local utilities
#-----------------------------------------------------------------------------
def code_name(code, number=0):
""" Compute a (probably) unique name for code for caching.
This now expects code to be unicode.
"""
hash_digest = hashlib.md5(code.encode("utf-8")).hexdigest()
# Include the number and 12 characters of the hash in the name. It's
# pretty much impossible that in a single session we'll have collisions
# even with truncated hashes, and the full one makes tracebacks too long
return '<ipython-input-{0}-{1}>'.format(number, hash_digest[:12])
#-----------------------------------------------------------------------------
# Classes and functions
#-----------------------------------------------------------------------------
class CachingCompiler(codeop.Compile):
"""A compiler that caches code compiled from interactive statements.
"""
def __init__(self):
codeop.Compile.__init__(self)
# This is ugly, but it must be done this way to allow multiple
# simultaneous ipython instances to coexist. Since Python itself
# directly accesses the data structures in the linecache module, and
# the cache therein is global, we must work with that data structure.
# We must hold a reference to the original checkcache routine and call
# that in our own check_cache() below, but the special IPython cache
# must also be shared by all IPython instances. If we were to hold
# separate caches (one in each CachingCompiler instance), any call made
# by Python itself to linecache.checkcache() would obliterate the
# cached data from the other IPython instances.
if not hasattr(linecache, '_ipython_cache'):
linecache._ipython_cache = {}
if not hasattr(linecache, '_checkcache_ori'):
linecache._checkcache_ori = linecache.checkcache
# Now, we must monkeypatch the linecache directly so that parts of the
# stdlib that call it outside our control go through our codepath
# (otherwise we'd lose our tracebacks).
linecache.checkcache = self.check_cache
def ast_parse(self, source, filename='<unknown>', symbol='exec'):
"""Parse code to an AST with the current compiler flags active.
Arguments are exactly the same as ast.parse (in the standard library),
and are passed to the built-in compile function."""
return compile(source, filename, symbol, self.flags | PyCF_ONLY_AST, 1)
def reset_compiler_flags(self):
"""Reset compiler flags to default state."""
# This value is copied from codeop.Compile.__init__, so if that ever
# changes, it will need to be updated.
self.flags = codeop.PyCF_DONT_IMPLY_DEDENT
@property
def compiler_flags(self):
"""Flags currently active in the compilation process.
"""
return self.flags
def cache(self, code, number=0):
"""Make a name for a block of code, and cache the code.
Parameters
----------
code : str
The Python source code to cache.
number : int
A number which forms part of the code's name. Used for the execution
counter.
Returns
-------
The name of the cached code (as a string). Pass this as the filename
argument to compilation, so that tracebacks are correctly hooked up.
"""
name = code_name(code, number)
entry = (len(code), time.time(),
[line+'\n' for line in code.splitlines()], name)
linecache.cache[name] = entry
linecache._ipython_cache[name] = entry
return name
def check_cache(self, *args):
"""Call linecache.checkcache() safely protecting our cached values.
"""
# First call the orignal checkcache as intended
linecache._checkcache_ori(*args)
# Then, update back the cache with our data, so that tracebacks related
# to our compiled codes can be produced.
linecache.cache.update(linecache._ipython_cache)