|
|
#!/usr/bin/env python
|
|
|
# encoding: utf-8
|
|
|
"""
|
|
|
The :class:`~IPython.core.application.Application` object for the command
|
|
|
line :command:`ipython` program.
|
|
|
|
|
|
Authors
|
|
|
-------
|
|
|
|
|
|
* Brian Granger
|
|
|
* Fernando Perez
|
|
|
* Min Ragan-Kelley
|
|
|
"""
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Copyright (C) 2008-2011 The IPython Development Team
|
|
|
#
|
|
|
# Distributed under the terms of the BSD License. The full license is in
|
|
|
# the file COPYING, distributed as part of this software.
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Imports
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
from __future__ import absolute_import
|
|
|
|
|
|
import logging
|
|
|
import os
|
|
|
import sys
|
|
|
|
|
|
from IPython.config.loader import (
|
|
|
Config, PyFileConfigLoader, ConfigFileNotFound
|
|
|
)
|
|
|
from IPython.config.application import boolean_flag, catch_config_error
|
|
|
from IPython.core import release
|
|
|
from IPython.core import usage
|
|
|
from IPython.core.completer import IPCompleter
|
|
|
from IPython.core.crashhandler import CrashHandler
|
|
|
from IPython.core.formatters import PlainTextFormatter
|
|
|
from IPython.core.history import HistoryManager
|
|
|
from IPython.core.prompts import PromptManager
|
|
|
from IPython.core.application import (
|
|
|
ProfileDir, BaseIPythonApplication, base_flags, base_aliases
|
|
|
)
|
|
|
from IPython.core.shellapp import (
|
|
|
InteractiveShellApp, shell_flags, shell_aliases
|
|
|
)
|
|
|
from IPython.frontend.terminal.interactiveshell import TerminalInteractiveShell
|
|
|
from IPython.lib import inputhook
|
|
|
from IPython.utils import warn
|
|
|
from IPython.utils.path import get_ipython_dir, check_for_old_config
|
|
|
from IPython.utils.traitlets import (
|
|
|
Bool, List, Dict, CaselessStrEnum
|
|
|
)
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Globals, utilities and helpers
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
#: The default config file name for this application.
|
|
|
default_config_file_name = u'ipython_config.py'
|
|
|
|
|
|
_examples = """
|
|
|
ipython --pylab # start in pylab mode
|
|
|
ipython --pylab=qt # start in pylab mode with the qt4 backend
|
|
|
ipython --log-level=DEBUG # set logging to DEBUG
|
|
|
ipython --profile=foo # start with profile foo
|
|
|
|
|
|
ipython qtconsole # start the qtconsole GUI application
|
|
|
ipython help qtconsole # show the help for the qtconsole subcmd
|
|
|
|
|
|
ipython console # start the terminal-based console application
|
|
|
ipython help console # show the help for the console subcmd
|
|
|
|
|
|
ipython notebook # start the IPython notebook
|
|
|
ipython help notebook # show the help for the notebook subcmd
|
|
|
|
|
|
ipython profile create foo # create profile foo w/ default config files
|
|
|
ipython help profile # show the help for the profile subcmd
|
|
|
|
|
|
ipython locate # print the path to the IPython directory
|
|
|
ipython locate profile foo # print the path to the directory for profile `foo`
|
|
|
"""
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Crash handler for this application
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
class IPAppCrashHandler(CrashHandler):
|
|
|
"""sys.excepthook for IPython itself, leaves a detailed report on disk."""
|
|
|
|
|
|
def __init__(self, app):
|
|
|
contact_name = release.authors['Fernando'][0]
|
|
|
contact_email = release.author_email
|
|
|
bug_tracker = 'https://github.com/ipython/ipython/issues'
|
|
|
super(IPAppCrashHandler,self).__init__(
|
|
|
app, contact_name, contact_email, bug_tracker
|
|
|
)
|
|
|
|
|
|
def make_report(self,traceback):
|
|
|
"""Return a string containing a crash report."""
|
|
|
|
|
|
sec_sep = self.section_sep
|
|
|
# Start with parent report
|
|
|
report = [super(IPAppCrashHandler, self).make_report(traceback)]
|
|
|
# Add interactive-specific info we may have
|
|
|
rpt_add = report.append
|
|
|
try:
|
|
|
rpt_add(sec_sep+"History of session input:")
|
|
|
for line in self.app.shell.user_ns['_ih']:
|
|
|
rpt_add(line)
|
|
|
rpt_add('\n*** Last line of input (may not be in above history):\n')
|
|
|
rpt_add(self.app.shell._last_input_line+'\n')
|
|
|
except:
|
|
|
pass
|
|
|
|
|
|
return ''.join(report)
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Aliases and Flags
|
|
|
#-----------------------------------------------------------------------------
|
|
|
flags = dict(base_flags)
|
|
|
flags.update(shell_flags)
|
|
|
frontend_flags = {}
|
|
|
addflag = lambda *args: frontend_flags.update(boolean_flag(*args))
|
|
|
addflag('autoedit-syntax', 'TerminalInteractiveShell.autoedit_syntax',
|
|
|
'Turn on auto editing of files with syntax errors.',
|
|
|
'Turn off auto editing of files with syntax errors.'
|
|
|
)
|
|
|
addflag('banner', 'TerminalIPythonApp.display_banner',
|
|
|
"Display a banner upon starting IPython.",
|
|
|
"Don't display a banner upon starting IPython."
|
|
|
)
|
|
|
addflag('confirm-exit', 'TerminalInteractiveShell.confirm_exit',
|
|
|
"""Set to confirm when you try to exit IPython with an EOF (Control-D
|
|
|
in Unix, Control-Z/Enter in Windows). By typing 'exit' or 'quit',
|
|
|
you can force a direct exit without any confirmation.""",
|
|
|
"Don't prompt the user when exiting."
|
|
|
)
|
|
|
addflag('term-title', 'TerminalInteractiveShell.term_title',
|
|
|
"Enable auto setting the terminal title.",
|
|
|
"Disable auto setting the terminal title."
|
|
|
)
|
|
|
classic_config = Config()
|
|
|
classic_config.InteractiveShell.cache_size = 0
|
|
|
classic_config.PlainTextFormatter.pprint = False
|
|
|
classic_config.PromptManager.in_template = '>>> '
|
|
|
classic_config.PromptManager.in2_template = '... '
|
|
|
classic_config.PromptManager.out_template = ''
|
|
|
classic_config.InteractiveShell.separate_in = ''
|
|
|
classic_config.InteractiveShell.separate_out = ''
|
|
|
classic_config.InteractiveShell.separate_out2 = ''
|
|
|
classic_config.InteractiveShell.colors = 'NoColor'
|
|
|
classic_config.InteractiveShell.xmode = 'Plain'
|
|
|
|
|
|
frontend_flags['classic']=(
|
|
|
classic_config,
|
|
|
"Gives IPython a similar feel to the classic Python prompt."
|
|
|
)
|
|
|
# # log doesn't make so much sense this way anymore
|
|
|
# paa('--log','-l',
|
|
|
# action='store_true', dest='InteractiveShell.logstart',
|
|
|
# help="Start logging to the default log file (./ipython_log.py).")
|
|
|
#
|
|
|
# # quick is harder to implement
|
|
|
frontend_flags['quick']=(
|
|
|
{'TerminalIPythonApp' : {'quick' : True}},
|
|
|
"Enable quick startup with no config files."
|
|
|
)
|
|
|
|
|
|
frontend_flags['i'] = (
|
|
|
{'TerminalIPythonApp' : {'force_interact' : True}},
|
|
|
"""If running code from the command line, become interactive afterwards.
|
|
|
Note: can also be given simply as '-i.'"""
|
|
|
)
|
|
|
flags.update(frontend_flags)
|
|
|
|
|
|
aliases = dict(base_aliases)
|
|
|
aliases.update(shell_aliases)
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Main classes and functions
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
class LocateIPythonApp(BaseIPythonApplication):
|
|
|
description = """print the path to the IPython dir"""
|
|
|
subcommands = Dict(dict(
|
|
|
profile=('IPython.core.profileapp.ProfileLocate',
|
|
|
"print the path to an IPython profile directory",
|
|
|
),
|
|
|
))
|
|
|
def start(self):
|
|
|
if self.subapp is not None:
|
|
|
return self.subapp.start()
|
|
|
else:
|
|
|
print self.ipython_dir
|
|
|
|
|
|
|
|
|
class TerminalIPythonApp(BaseIPythonApplication, InteractiveShellApp):
|
|
|
name = u'ipython'
|
|
|
description = usage.cl_usage
|
|
|
default_config_file_name = default_config_file_name
|
|
|
crash_handler_class = IPAppCrashHandler
|
|
|
examples = _examples
|
|
|
|
|
|
flags = Dict(flags)
|
|
|
aliases = Dict(aliases)
|
|
|
classes = List()
|
|
|
def _classes_default(self):
|
|
|
"""This has to be in a method, for TerminalIPythonApp to be available."""
|
|
|
return [
|
|
|
InteractiveShellApp, # ShellApp comes before TerminalApp, because
|
|
|
self.__class__, # it will also affect subclasses (e.g. QtConsole)
|
|
|
TerminalInteractiveShell,
|
|
|
PromptManager,
|
|
|
HistoryManager,
|
|
|
ProfileDir,
|
|
|
PlainTextFormatter,
|
|
|
IPCompleter,
|
|
|
]
|
|
|
|
|
|
subcommands = Dict(dict(
|
|
|
qtconsole=('IPython.frontend.qt.console.qtconsoleapp.IPythonQtConsoleApp',
|
|
|
"""Launch the IPython Qt Console."""
|
|
|
),
|
|
|
notebook=('IPython.frontend.html.notebook.notebookapp.NotebookApp',
|
|
|
"""Launch the IPython HTML Notebook Server."""
|
|
|
),
|
|
|
profile = ("IPython.core.profileapp.ProfileApp",
|
|
|
"Create and manage IPython profiles."
|
|
|
),
|
|
|
kernel = ("IPython.zmq.ipkernel.IPKernelApp",
|
|
|
"Start a kernel without an attached frontend."
|
|
|
),
|
|
|
console=('IPython.frontend.terminal.console.app.ZMQTerminalIPythonApp',
|
|
|
"""Launch the IPython terminal-based Console."""
|
|
|
),
|
|
|
locate=('IPython.frontend.terminal.ipapp.LocateIPythonApp',
|
|
|
LocateIPythonApp.description
|
|
|
),
|
|
|
))
|
|
|
|
|
|
# *do* autocreate requested profile, but don't create the config file.
|
|
|
auto_create=Bool(True)
|
|
|
# configurables
|
|
|
ignore_old_config=Bool(False, config=True,
|
|
|
help="Suppress warning messages about legacy config files"
|
|
|
)
|
|
|
quick = Bool(False, config=True,
|
|
|
help="""Start IPython quickly by skipping the loading of config files."""
|
|
|
)
|
|
|
def _quick_changed(self, name, old, new):
|
|
|
if new:
|
|
|
self.load_config_file = lambda *a, **kw: None
|
|
|
self.ignore_old_config=True
|
|
|
|
|
|
display_banner = Bool(True, config=True,
|
|
|
help="Whether to display a banner upon starting IPython."
|
|
|
)
|
|
|
|
|
|
# if there is code of files to run from the cmd line, don't interact
|
|
|
# unless the --i flag (App.force_interact) is true.
|
|
|
force_interact = Bool(False, config=True,
|
|
|
help="""If a command or file is given via the command-line,
|
|
|
e.g. 'ipython foo.py"""
|
|
|
)
|
|
|
def _force_interact_changed(self, name, old, new):
|
|
|
if new:
|
|
|
self.interact = True
|
|
|
|
|
|
def _file_to_run_changed(self, name, old, new):
|
|
|
if new:
|
|
|
self.something_to_run = True
|
|
|
if new and not self.force_interact:
|
|
|
self.interact = False
|
|
|
_code_to_run_changed = _file_to_run_changed
|
|
|
_module_to_run_changed = _file_to_run_changed
|
|
|
|
|
|
# internal, not-configurable
|
|
|
interact=Bool(True)
|
|
|
something_to_run=Bool(False)
|
|
|
|
|
|
def parse_command_line(self, argv=None):
|
|
|
"""override to allow old '-pylab' flag with deprecation warning"""
|
|
|
|
|
|
argv = sys.argv[1:] if argv is None else argv
|
|
|
|
|
|
if '-pylab' in argv:
|
|
|
# deprecated `-pylab` given,
|
|
|
# warn and transform into current syntax
|
|
|
argv = argv[:] # copy, don't clobber
|
|
|
idx = argv.index('-pylab')
|
|
|
warn.warn("`-pylab` flag has been deprecated.\n"
|
|
|
" Use `--pylab` instead, or `--pylab=foo` to specify a backend.")
|
|
|
sub = '--pylab'
|
|
|
if len(argv) > idx+1:
|
|
|
# check for gui arg, as in '-pylab qt'
|
|
|
gui = argv[idx+1]
|
|
|
if gui in ('wx', 'qt', 'qt4', 'gtk', 'auto'):
|
|
|
sub = '--pylab='+gui
|
|
|
argv.pop(idx+1)
|
|
|
argv[idx] = sub
|
|
|
|
|
|
return super(TerminalIPythonApp, self).parse_command_line(argv)
|
|
|
|
|
|
@catch_config_error
|
|
|
def initialize(self, argv=None):
|
|
|
"""Do actions after construct, but before starting the app."""
|
|
|
super(TerminalIPythonApp, self).initialize(argv)
|
|
|
if self.subapp is not None:
|
|
|
# don't bother initializing further, starting subapp
|
|
|
return
|
|
|
if not self.ignore_old_config:
|
|
|
check_for_old_config(self.ipython_dir)
|
|
|
# print self.extra_args
|
|
|
if self.extra_args and not self.something_to_run:
|
|
|
self.file_to_run = self.extra_args[0]
|
|
|
self.init_path()
|
|
|
# create the shell
|
|
|
self.init_shell()
|
|
|
# and draw the banner
|
|
|
self.init_banner()
|
|
|
# Now a variety of things that happen after the banner is printed.
|
|
|
self.init_gui_pylab()
|
|
|
self.init_extensions()
|
|
|
self.init_code()
|
|
|
|
|
|
def init_shell(self):
|
|
|
"""initialize the InteractiveShell instance"""
|
|
|
# Create an InteractiveShell instance.
|
|
|
# shell.display_banner should always be False for the terminal
|
|
|
# based app, because we call shell.show_banner() by hand below
|
|
|
# so the banner shows *before* all extension loading stuff.
|
|
|
self.shell = TerminalInteractiveShell.instance(config=self.config,
|
|
|
display_banner=False, profile_dir=self.profile_dir,
|
|
|
ipython_dir=self.ipython_dir)
|
|
|
self.shell.configurables.append(self)
|
|
|
|
|
|
def init_banner(self):
|
|
|
"""optionally display the banner"""
|
|
|
if self.display_banner and self.interact:
|
|
|
self.shell.show_banner()
|
|
|
# Make sure there is a space below the banner.
|
|
|
if self.log_level <= logging.INFO: print
|
|
|
|
|
|
def _pylab_changed(self, name, old, new):
|
|
|
"""Replace --pylab='inline' with --pylab='auto'"""
|
|
|
if new == 'inline':
|
|
|
warn.warn("'inline' not available as pylab backend, "
|
|
|
"using 'auto' instead.\n")
|
|
|
self.pylab = 'auto'
|
|
|
|
|
|
def start(self):
|
|
|
if self.subapp is not None:
|
|
|
return self.subapp.start()
|
|
|
# perform any prexec steps:
|
|
|
if self.interact:
|
|
|
self.log.debug("Starting IPython's mainloop...")
|
|
|
self.shell.mainloop()
|
|
|
else:
|
|
|
self.log.debug("IPython not interactive...")
|
|
|
|
|
|
|
|
|
def load_default_config(ipython_dir=None):
|
|
|
"""Load the default config file from the default ipython_dir.
|
|
|
|
|
|
This is useful for embedded shells.
|
|
|
"""
|
|
|
if ipython_dir is None:
|
|
|
ipython_dir = get_ipython_dir()
|
|
|
profile_dir = os.path.join(ipython_dir, 'profile_default')
|
|
|
cl = PyFileConfigLoader(default_config_file_name, profile_dir)
|
|
|
try:
|
|
|
config = cl.load_config()
|
|
|
except ConfigFileNotFound:
|
|
|
# no config found
|
|
|
config = Config()
|
|
|
return config
|
|
|
|
|
|
|
|
|
def launch_new_instance():
|
|
|
"""Create and run a full blown IPython instance"""
|
|
|
app = TerminalIPythonApp.instance()
|
|
|
app.initialize()
|
|
|
app.start()
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
launch_new_instance()
|
|
|
|
