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Diffstat (limited to 'contrib/python/ipython/py3/IPython/testing/globalipapp.py')
| -rw-r--r-- | contrib/python/ipython/py3/IPython/testing/globalipapp.py | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/contrib/python/ipython/py3/IPython/testing/globalipapp.py b/contrib/python/ipython/py3/IPython/testing/globalipapp.py deleted file mode 100644 index 698e3d845a..0000000000 --- a/contrib/python/ipython/py3/IPython/testing/globalipapp.py +++ /dev/null @@ -1,115 +0,0 @@ -"""Global IPython app to support test running. - -We must start our own ipython object and heavily muck with it so that all the -modifications IPython makes to system behavior don't send the doctest machinery -into a fit. This code should be considered a gross hack, but it gets the job -done. -""" - -# Copyright (c) IPython Development Team. -# Distributed under the terms of the Modified BSD License. - -import builtins as builtin_mod -import sys -import types -import warnings - -from pathlib import Path - -from . import tools - -from IPython.core import page -from IPython.utils import io -from IPython.terminal.interactiveshell import TerminalInteractiveShell - - -def get_ipython(): - # This will get replaced by the real thing once we start IPython below - return start_ipython() - - -# A couple of methods to override those in the running IPython to interact -# better with doctest (doctest captures on raw stdout, so we need to direct -# various types of output there otherwise it will miss them). - -def xsys(self, cmd): - """Replace the default system call with a capturing one for doctest. - """ - # We use getoutput, but we need to strip it because pexpect captures - # the trailing newline differently from commands.getoutput - print(self.getoutput(cmd, split=False, depth=1).rstrip(), end='', file=sys.stdout) - sys.stdout.flush() - - -def _showtraceback(self, etype, evalue, stb): - """Print the traceback purely on stdout for doctest to capture it. - """ - print(self.InteractiveTB.stb2text(stb), file=sys.stdout) - - -def start_ipython(): - """Start a global IPython shell, which we need for IPython-specific syntax. - """ - global get_ipython - - # This function should only ever run once! - if hasattr(start_ipython, 'already_called'): - return - start_ipython.already_called = True - - # Store certain global objects that IPython modifies - _displayhook = sys.displayhook - _excepthook = sys.excepthook - _main = sys.modules.get('__main__') - - # Create custom argv and namespaces for our IPython to be test-friendly - config = tools.default_config() - config.TerminalInteractiveShell.simple_prompt = True - - # Create and initialize our test-friendly IPython instance. - shell = TerminalInteractiveShell.instance(config=config, - ) - - # A few more tweaks needed for playing nicely with doctests... - - # remove history file - shell.tempfiles.append(Path(config.HistoryManager.hist_file)) - - # These traps are normally only active for interactive use, set them - # permanently since we'll be mocking interactive sessions. - shell.builtin_trap.activate() - - # Modify the IPython system call with one that uses getoutput, so that we - # can capture subcommands and print them to Python's stdout, otherwise the - # doctest machinery would miss them. - shell.system = types.MethodType(xsys, shell) - - shell._showtraceback = types.MethodType(_showtraceback, shell) - - # IPython is ready, now clean up some global state... - - # Deactivate the various python system hooks added by ipython for - # interactive convenience so we don't confuse the doctest system - sys.modules['__main__'] = _main - sys.displayhook = _displayhook - sys.excepthook = _excepthook - - # So that ipython magics and aliases can be doctested (they work by making - # a call into a global _ip object). Also make the top-level get_ipython - # now return this without recursively calling here again. - _ip = shell - get_ipython = _ip.get_ipython - builtin_mod._ip = _ip - builtin_mod.ip = _ip - builtin_mod.get_ipython = get_ipython - - # Override paging, so we don't require user interaction during the tests. - def nopage(strng, start=0, screen_lines=0, pager_cmd=None): - if isinstance(strng, dict): - strng = strng.get('text/plain', '') - print(strng) - - page.orig_page = page.pager_page - page.pager_page = nopage - - return _ip |