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# -*- coding: utf-8 -*-
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"""
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IPython -- An enhanced Interactive Python
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Requires Python 2.1 or better.
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This file contains the main make_IPython() starter function.
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$Id: ipmaker.py 925 2005-11-15 20:39:39Z fperez $"""
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#*****************************************************************************
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# Copyright (C) 2001-2004 Fernando Perez. <fperez@colorado.edu>
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#
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# Distributed under the terms of the BSD License. The full license is in
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# the file COPYING, distributed as part of this software.
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#*****************************************************************************
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from IPython import Release
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__author__ = '%s <%s>' % Release.authors['Fernando']
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__license__ = Release.license
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__version__ = Release.version
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credits._Printer__data = """
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Python: %s
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IPython: Fernando Perez, Janko Hauser, Nathan Gray, and many users.
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See http://ipython.scipy.org for more information.""" \
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% credits._Printer__data
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copyright._Printer__data += """
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Copyright (c) 2001-2004 Fernando Perez, Janko Hauser, Nathan Gray.
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All Rights Reserved."""
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#****************************************************************************
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# Required modules
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# From the standard library
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import __main__, __builtin__
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import os,sys,types,re
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from pprint import pprint,pformat
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# Our own
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from IPython import DPyGetOpt
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from IPython.Struct import Struct
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from IPython.OutputTrap import OutputTrap
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from IPython.ConfigLoader import ConfigLoader
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from IPython.iplib import InteractiveShell,qw_lol,import_fail_info
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from IPython.usage import cmd_line_usage,interactive_usage
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from IPython.Prompts import CachedOutput
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from IPython.genutils import *
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#-----------------------------------------------------------------------------
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def make_IPython(argv=None,user_ns=None,debug=1,rc_override=None,
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shell_class=InteractiveShell,embedded=False,**kw):
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"""This is a dump of IPython into a single function.
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Later it will have to be broken up in a sensible manner.
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Arguments:
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- argv: a list similar to sys.argv[1:]. It should NOT contain the desired
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script name, b/c DPyGetOpt strips the first argument only for the real
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sys.argv.
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- user_ns: a dict to be used as the user's namespace."""
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#----------------------------------------------------------------------
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# Defaults and initialization
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# For developer debugging, deactivates crash handler and uses pdb.
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DEVDEBUG = False
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if argv is None:
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argv = sys.argv
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# __IP is the main global that lives throughout and represents the whole
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# application. If the user redefines it, all bets are off as to what
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# happens.
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# __IP is the name of he global which the caller will have accessible as
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# __IP.name. We set its name via the first parameter passed to
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# InteractiveShell:
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IP = shell_class('__IP',user_ns=user_ns,embedded=embedded,**kw)
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# Put 'help' in the user namespace
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from site import _Helper
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IP.user_ns['help'] = _Helper()
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if DEVDEBUG:
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# For developer debugging only (global flag)
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from IPython import ultraTB
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sys.excepthook = ultraTB.VerboseTB(call_pdb=1)
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else:
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# IPython itself shouldn't crash. This will produce a detailed
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# post-mortem if it does
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from IPython import CrashHandler
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sys.excepthook = CrashHandler.CrashHandler(IP)
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IP.BANNER_PARTS = ['Python %s\n'
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'Type "copyright", "credits" or "license" '
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'for more information.\n'
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% (sys.version.split('\n')[0],),
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"IPython %s -- An enhanced Interactive Python."
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% (__version__,),
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"""? -> Introduction to IPython's features.
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%magic -> Information about IPython's 'magic' % functions.
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help -> Python's own help system.
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object? -> Details about 'object'. ?object also works, ?? prints more.
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""" ]
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IP.usage = interactive_usage
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# Platform-dependent suffix and directory names. We use _ipython instead
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# of .ipython under win32 b/c there's software that breaks with .named
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# directories on that platform.
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if os.name == 'posix':
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rc_suffix = ''
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ipdir_def = '.ipython'
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else:
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rc_suffix = '.ini'
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ipdir_def = '_ipython'
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# default directory for configuration
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ipythondir = os.path.abspath(os.environ.get('IPYTHONDIR',
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os.path.join(IP.home_dir,ipdir_def)))
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# we need the directory where IPython itself is installed
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import IPython
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IPython_dir = os.path.dirname(IPython.__file__)
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del IPython
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#-------------------------------------------------------------------------
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# Command line handling
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# Valid command line options (uses DPyGetOpt syntax, like Perl's
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# GetOpt::Long)
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# Any key not listed here gets deleted even if in the file (like session
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# or profile). That's deliberate, to maintain the rc namespace clean.
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# Each set of options appears twice: under _conv only the names are
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# listed, indicating which type they must be converted to when reading the
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# ipythonrc file. And under DPyGetOpt they are listed with the regular
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# DPyGetOpt syntax (=s,=i,:f,etc).
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# Make sure there's a space before each end of line (they get auto-joined!)
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cmdline_opts = ('autocall! autoindent! automagic! banner! cache_size|cs=i '
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'c=s classic|cl color_info! colors=s confirm_exit! '
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'debug! deep_reload! editor=s log|l messages! nosep pdb! '
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'pprint! prompt_in1|pi1=s prompt_in2|pi2=s prompt_out|po=s '
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'quick screen_length|sl=i prompts_pad_left=i '
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'logfile|lf=s logplay|lp=s profile|p=s '
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'readline! readline_merge_completions! '
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'readline_omit__names! '
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'rcfile=s separate_in|si=s separate_out|so=s '
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'separate_out2|so2=s xmode=s wildcards_case_sensitive! '
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'magic_docstrings system_verbose! '
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'multi_line_specials!')
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# Options that can *only* appear at the cmd line (not in rcfiles).
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# The "ignore" option is a kludge so that Emacs buffers don't crash, since
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# the 'C-c !' command in emacs automatically appends a -i option at the end.
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cmdline_only = ('help ignore|i ipythondir=s Version upgrade '
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'gthread! qthread! wthread! pylab! tk!')
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# Build the actual name list to be used by DPyGetOpt
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opts_names = qw(cmdline_opts) + qw(cmdline_only)
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# Set sensible command line defaults.
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# This should have everything from cmdline_opts and cmdline_only
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opts_def = Struct(autocall = 1,
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autoindent=0,
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automagic = 1,
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banner = 1,
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cache_size = 1000,
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c = '',
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classic = 0,
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colors = 'NoColor',
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color_info = 0,
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confirm_exit = 1,
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debug = 0,
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deep_reload = 0,
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editor = '0',
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help = 0,
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ignore = 0,
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ipythondir = ipythondir,
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log = 0,
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logfile = '',
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logplay = '',
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multi_line_specials = 1,
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messages = 1,
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nosep = 0,
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pdb = 0,
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pprint = 0,
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profile = '',
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prompt_in1 = 'In [\\#]: ',
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prompt_in2 = ' .\\D.: ',
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prompt_out = 'Out[\\#]: ',
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prompts_pad_left = 1,
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quick = 0,
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readline = 1,
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readline_merge_completions = 1,
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readline_omit__names = 0,
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rcfile = 'ipythonrc' + rc_suffix,
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screen_length = 0,
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separate_in = '\n',
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separate_out = '\n',
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separate_out2 = '',
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system_verbose = 0,
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gthread = 0,
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qthread = 0,
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wthread = 0,
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pylab = 0,
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tk = 0,
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upgrade = 0,
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Version = 0,
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xmode = 'Verbose',
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wildcards_case_sensitive = 1,
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magic_docstrings = 0, # undocumented, for doc generation
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)
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# Things that will *only* appear in rcfiles (not at the command line).
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# Make sure there's a space before each end of line (they get auto-joined!)
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rcfile_opts = { qwflat: 'include import_mod import_all execfile ',
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qw_lol: 'import_some ',
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# for things with embedded whitespace:
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list_strings:'execute alias readline_parse_and_bind ',
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# Regular strings need no conversion:
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None:'readline_remove_delims ',
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}
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# Default values for these
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rc_def = Struct(include = [],
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import_mod = [],
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import_all = [],
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import_some = [[]],
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execute = [],
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execfile = [],
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alias = [],
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readline_parse_and_bind = [],
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readline_remove_delims = '',
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)
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# Build the type conversion dictionary from the above tables:
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typeconv = rcfile_opts.copy()
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typeconv.update(optstr2types(cmdline_opts))
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# FIXME: the None key appears in both, put that back together by hand. Ugly!
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typeconv[None] += ' ' + rcfile_opts[None]
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# Remove quotes at ends of all strings (used to protect spaces)
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typeconv[unquote_ends] = typeconv[None]
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del typeconv[None]
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# Build the list we'll use to make all config decisions with defaults:
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opts_all = opts_def.copy()
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opts_all.update(rc_def)
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# Build conflict resolver for recursive loading of config files:
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# - preserve means the outermost file maintains the value, it is not
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# overwritten if an included file has the same key.
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# - add_flip applies + to the two values, so it better make sense to add
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# those types of keys. But it flips them first so that things loaded
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# deeper in the inclusion chain have lower precedence.
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conflict = {'preserve': ' '.join([ typeconv[int],
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typeconv[unquote_ends] ]),
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'add_flip': ' '.join([ typeconv[qwflat],
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typeconv[qw_lol],
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typeconv[list_strings] ])
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}
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# Now actually process the command line
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getopt = DPyGetOpt.DPyGetOpt()
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getopt.setIgnoreCase(0)
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getopt.parseConfiguration(opts_names)
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try:
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getopt.processArguments(argv)
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except:
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print cmd_line_usage
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warn('\nError in Arguments: ' + `sys.exc_value`)
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sys.exit(1)
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# convert the options dict to a struct for much lighter syntax later
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opts = Struct(getopt.optionValues)
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args = getopt.freeValues
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# this is the struct (which has default values at this point) with which
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# we make all decisions:
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opts_all.update(opts)
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# Options that force an immediate exit
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if opts_all.help:
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page(cmd_line_usage)
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sys.exit()
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if opts_all.Version:
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print __version__
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sys.exit()
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if opts_all.magic_docstrings:
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IP.magic_magic('-latex')
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sys.exit()
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# Create user config directory if it doesn't exist. This must be done
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# *after* getting the cmd line options.
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if not os.path.isdir(opts_all.ipythondir):
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IP.user_setup(opts_all.ipythondir,rc_suffix,'install')
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# upgrade user config files while preserving a copy of the originals
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if opts_all.upgrade:
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IP.user_setup(opts_all.ipythondir,rc_suffix,'upgrade')
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# check mutually exclusive options in the *original* command line
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mutex_opts(opts,[qw('log logfile'),qw('rcfile profile'),
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qw('classic profile'),qw('classic rcfile')])
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# default logfilename used when -log is called.
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IP.LOGDEF = 'ipython.log'
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#---------------------------------------------------------------------------
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# Log replay
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# if -logplay, we need to 'become' the other session. That basically means
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# replacing the current command line environment with that of the old
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# session and moving on.
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# this is needed so that later we know we're in session reload mode, as
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# opts_all will get overwritten:
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load_logplay = 0
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if opts_all.logplay:
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load_logplay = opts_all.logplay
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opts_debug_save = opts_all.debug
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try:
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logplay = open(opts_all.logplay)
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except IOError:
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if opts_all.debug: IP.InteractiveTB()
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warn('Could not open logplay file '+`opts_all.logplay`)
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# restore state as if nothing had happened and move on, but make
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# sure that later we don't try to actually load the session file
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logplay = None
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load_logplay = 0
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del opts_all.logplay
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else:
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try:
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logplay.readline()
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logplay.readline();
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# this reloads that session's command line
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cmd = logplay.readline()[6:]
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exec cmd
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# restore the true debug flag given so that the process of
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# session loading itself can be monitored.
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opts.debug = opts_debug_save
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# save the logplay flag so later we don't overwrite the log
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opts.logplay = load_logplay
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# now we must update our own structure with defaults
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opts_all.update(opts)
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# now load args
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cmd = logplay.readline()[6:]
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exec cmd
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logplay.close()
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except:
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logplay.close()
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if opts_all.debug: IP.InteractiveTB()
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warn("Logplay file lacking full configuration information.\n"
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"I'll try to read it, but some things may not work.")
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#-------------------------------------------------------------------------
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# set up output traps: catch all output from files, being run, modules
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# loaded, etc. Then give it to the user in a clean form at the end.
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msg_out = 'Output messages. '
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msg_err = 'Error messages. '
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msg_sep = '\n'
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msg = Struct(config = OutputTrap('Configuration Loader',msg_out,
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msg_err,msg_sep,debug,
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quiet_out=1),
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user_exec = OutputTrap('User File Execution',msg_out,
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msg_err,msg_sep,debug),
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logplay = OutputTrap('Log Loader',msg_out,
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msg_err,msg_sep,debug),
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summary = ''
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)
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#-------------------------------------------------------------------------
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# Process user ipythonrc-type configuration files
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# turn on output trapping and log to msg.config
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# remember that with debug on, trapping is actually disabled
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msg.config.trap_all()
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|
|
|
|
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# look for rcfile in current or default directory
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try:
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opts_all.rcfile = filefind(opts_all.rcfile,opts_all.ipythondir)
|
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|
except IOError:
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if opts_all.debug: IP.InteractiveTB()
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warn('Configuration file %s not found. Ignoring request.'
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% (opts_all.rcfile) )
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|
|
|
# 'profiles' are a shorthand notation for config filenames
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|
if opts_all.profile:
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try:
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|
opts_all.rcfile = filefind('ipythonrc-' + opts_all.profile
|
|
|
+ rc_suffix,
|
|
|
opts_all.ipythondir)
|
|
|
except IOError:
|
|
|
if opts_all.debug: IP.InteractiveTB()
|
|
|
opts.profile = '' # remove profile from options if invalid
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|
|
warn('Profile configuration file %s not found. Ignoring request.'
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|
% (opts_all.profile) )
|
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|
|
|
# load the config file
|
|
|
rcfiledata = None
|
|
|
if opts_all.quick:
|
|
|
print 'Launching IPython in quick mode. No config file read.'
|
|
|
elif opts_all.classic:
|
|
|
print 'Launching IPython in classic mode. No config file read.'
|
|
|
elif opts_all.rcfile:
|
|
|
try:
|
|
|
cfg_loader = ConfigLoader(conflict)
|
|
|
rcfiledata = cfg_loader.load(opts_all.rcfile,typeconv,
|
|
|
'include',opts_all.ipythondir,
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|
|
purge = 1,
|
|
|
unique = conflict['preserve'])
|
|
|
except:
|
|
|
IP.InteractiveTB()
|
|
|
warn('Problems loading configuration file '+
|
|
|
`opts_all.rcfile`+
|
|
|
'\nStarting with default -bare bones- configuration.')
|
|
|
else:
|
|
|
warn('No valid configuration file found in either currrent directory\n'+
|
|
|
'or in the IPython config. directory: '+`opts_all.ipythondir`+
|
|
|
'\nProceeding with internal defaults.')
|
|
|
|
|
|
#------------------------------------------------------------------------
|
|
|
# Set exception handlers in mode requested by user.
|
|
|
otrap = OutputTrap(trap_out=1) # trap messages from magic_xmode
|
|
|
IP.magic_xmode(opts_all.xmode)
|
|
|
otrap.release_out()
|
|
|
|
|
|
#------------------------------------------------------------------------
|
|
|
# Execute user config
|
|
|
|
|
|
# Create a valid config structure with the right precedence order:
|
|
|
# defaults < rcfile < command line. This needs to be in the instance, so
|
|
|
# that method calls below that rely on it find it.
|
|
|
IP.rc = rc_def.copy()
|
|
|
|
|
|
# Work with a local alias inside this routine to avoid unnecessary
|
|
|
# attribute lookups.
|
|
|
IP_rc = IP.rc
|
|
|
|
|
|
IP_rc.update(opts_def)
|
|
|
if rcfiledata:
|
|
|
# now we can update
|
|
|
IP_rc.update(rcfiledata)
|
|
|
IP_rc.update(opts)
|
|
|
IP_rc.update(rc_override)
|
|
|
|
|
|
# Store the original cmd line for reference:
|
|
|
IP_rc.opts = opts
|
|
|
IP_rc.args = args
|
|
|
|
|
|
# create a *runtime* Struct like rc for holding parameters which may be
|
|
|
# created and/or modified by runtime user extensions.
|
|
|
IP.runtime_rc = Struct()
|
|
|
|
|
|
# from this point on, all config should be handled through IP_rc,
|
|
|
# opts* shouldn't be used anymore.
|
|
|
|
|
|
# add personal .ipython dir to sys.path so that users can put things in
|
|
|
# there for customization
|
|
|
sys.path.append(IP_rc.ipythondir)
|
|
|
sys.path.insert(0, '') # add . to sys.path. Fix from Prabhu Ramachandran
|
|
|
|
|
|
# update IP_rc with some special things that need manual
|
|
|
# tweaks. Basically options which affect other options. I guess this
|
|
|
# should just be written so that options are fully orthogonal and we
|
|
|
# wouldn't worry about this stuff!
|
|
|
|
|
|
if IP_rc.classic:
|
|
|
IP_rc.quick = 1
|
|
|
IP_rc.cache_size = 0
|
|
|
IP_rc.pprint = 0
|
|
|
IP_rc.prompt_in1 = '>>> '
|
|
|
IP_rc.prompt_in2 = '... '
|
|
|
IP_rc.prompt_out = ''
|
|
|
IP_rc.separate_in = IP_rc.separate_out = IP_rc.separate_out2 = '0'
|
|
|
IP_rc.colors = 'NoColor'
|
|
|
IP_rc.xmode = 'Plain'
|
|
|
|
|
|
# configure readline
|
|
|
# Define the history file for saving commands in between sessions
|
|
|
if IP_rc.profile:
|
|
|
histfname = 'history-%s' % IP_rc.profile
|
|
|
else:
|
|
|
histfname = 'history'
|
|
|
IP.histfile = os.path.join(opts_all.ipythondir,histfname)
|
|
|
|
|
|
# update exception handlers with rc file status
|
|
|
otrap.trap_out() # I don't want these messages ever.
|
|
|
IP.magic_xmode(IP_rc.xmode)
|
|
|
otrap.release_out()
|
|
|
|
|
|
# activate logging if requested and not reloading a log
|
|
|
if IP_rc.logplay:
|
|
|
IP.magic_logstart(IP_rc.logplay + ' append')
|
|
|
elif IP_rc.logfile:
|
|
|
IP.magic_logstart(IP_rc.logfile)
|
|
|
elif IP_rc.log:
|
|
|
IP.magic_logstart()
|
|
|
|
|
|
# find user editor so that it we don't have to look it up constantly
|
|
|
if IP_rc.editor.strip()=='0':
|
|
|
try:
|
|
|
ed = os.environ['EDITOR']
|
|
|
except KeyError:
|
|
|
if os.name == 'posix':
|
|
|
ed = 'vi' # the only one guaranteed to be there!
|
|
|
else:
|
|
|
ed = 'notepad' # same in Windows!
|
|
|
IP_rc.editor = ed
|
|
|
|
|
|
# Keep track of whether this is an embedded instance or not (useful for
|
|
|
# post-mortems).
|
|
|
IP_rc.embedded = IP.embedded
|
|
|
|
|
|
# Recursive reload
|
|
|
try:
|
|
|
from IPython import deep_reload
|
|
|
if IP_rc.deep_reload:
|
|
|
__builtin__.reload = deep_reload.reload
|
|
|
else:
|
|
|
__builtin__.dreload = deep_reload.reload
|
|
|
del deep_reload
|
|
|
except ImportError:
|
|
|
pass
|
|
|
|
|
|
# Save the current state of our namespace so that the interactive shell
|
|
|
# can later know which variables have been created by us from config files
|
|
|
# and loading. This way, loading a file (in any way) is treated just like
|
|
|
# defining things on the command line, and %who works as expected.
|
|
|
|
|
|
# DON'T do anything that affects the namespace beyond this point!
|
|
|
IP.internal_ns.update(__main__.__dict__)
|
|
|
|
|
|
#IP.internal_ns.update(locals()) # so our stuff doesn't show up in %who
|
|
|
|
|
|
# Now run through the different sections of the users's config
|
|
|
if IP_rc.debug:
|
|
|
print 'Trying to execute the following configuration structure:'
|
|
|
print '(Things listed first are deeper in the inclusion tree and get'
|
|
|
print 'loaded first).\n'
|
|
|
pprint(IP_rc.__dict__)
|
|
|
|
|
|
for mod in IP_rc.import_mod:
|
|
|
try:
|
|
|
exec 'import '+mod in IP.user_ns
|
|
|
except :
|
|
|
IP.InteractiveTB()
|
|
|
import_fail_info(mod)
|
|
|
|
|
|
for mod_fn in IP_rc.import_some:
|
|
|
if mod_fn == []: break
|
|
|
mod,fn = mod_fn[0],','.join(mod_fn[1:])
|
|
|
try:
|
|
|
exec 'from '+mod+' import '+fn in IP.user_ns
|
|
|
except :
|
|
|
IP.InteractiveTB()
|
|
|
import_fail_info(mod,fn)
|
|
|
|
|
|
for mod in IP_rc.import_all:
|
|
|
try:
|
|
|
exec 'from '+mod+' import *' in IP.user_ns
|
|
|
except :
|
|
|
IP.InteractiveTB()
|
|
|
import_fail_info(mod)
|
|
|
|
|
|
for code in IP_rc.execute:
|
|
|
try:
|
|
|
exec code in IP.user_ns
|
|
|
except:
|
|
|
IP.InteractiveTB()
|
|
|
warn('Failure executing code: ' + `code`)
|
|
|
|
|
|
# Execute the files the user wants in ipythonrc
|
|
|
for file in IP_rc.execfile:
|
|
|
try:
|
|
|
file = filefind(file,sys.path+[IPython_dir])
|
|
|
except IOError:
|
|
|
warn(itpl('File $file not found. Skipping it.'))
|
|
|
else:
|
|
|
IP.safe_execfile(os.path.expanduser(file),IP.user_ns)
|
|
|
|
|
|
# release stdout and stderr and save config log into a global summary
|
|
|
msg.config.release_all()
|
|
|
if IP_rc.messages:
|
|
|
msg.summary += msg.config.summary_all()
|
|
|
|
|
|
#------------------------------------------------------------------------
|
|
|
# Setup interactive session
|
|
|
|
|
|
# Now we should be fully configured. We can then execute files or load
|
|
|
# things only needed for interactive use. Then we'll open the shell.
|
|
|
|
|
|
# Take a snapshot of the user namespace before opening the shell. That way
|
|
|
# we'll be able to identify which things were interactively defined and
|
|
|
# which were defined through config files.
|
|
|
IP.user_config_ns = IP.user_ns.copy()
|
|
|
|
|
|
# Force reading a file as if it were a session log. Slower but safer.
|
|
|
if load_logplay:
|
|
|
print 'Replaying log...'
|
|
|
try:
|
|
|
if IP_rc.debug:
|
|
|
logplay_quiet = 0
|
|
|
else:
|
|
|
logplay_quiet = 1
|
|
|
|
|
|
msg.logplay.trap_all()
|
|
|
IP.safe_execfile(load_logplay,IP.user_ns,
|
|
|
islog = 1, quiet = logplay_quiet)
|
|
|
msg.logplay.release_all()
|
|
|
if IP_rc.messages:
|
|
|
msg.summary += msg.logplay.summary_all()
|
|
|
except:
|
|
|
warn('Problems replaying logfile %s.' % load_logplay)
|
|
|
IP.InteractiveTB()
|
|
|
|
|
|
# Load remaining files in command line
|
|
|
msg.user_exec.trap_all()
|
|
|
|
|
|
# Do NOT execute files named in the command line as scripts to be loaded
|
|
|
# by embedded instances. Doing so has the potential for an infinite
|
|
|
# recursion if there are exceptions thrown in the process.
|
|
|
|
|
|
# XXX FIXME: the execution of user files should be moved out to after
|
|
|
# ipython is fully initialized, just as if they were run via %run at the
|
|
|
# ipython prompt. This would also give them the benefit of ipython's
|
|
|
# nice tracebacks.
|
|
|
|
|
|
if not embedded and IP_rc.args:
|
|
|
name_save = IP.user_ns['__name__']
|
|
|
IP.user_ns['__name__'] = '__main__'
|
|
|
try:
|
|
|
# Set our own excepthook in case the user code tries to call it
|
|
|
# directly. This prevents triggering the IPython crash handler.
|
|
|
old_excepthook,sys.excepthook = sys.excepthook, IP.excepthook
|
|
|
for run in args:
|
|
|
IP.safe_execfile(run,IP.user_ns)
|
|
|
finally:
|
|
|
# Reset our crash handler in place
|
|
|
sys.excepthook = old_excepthook
|
|
|
|
|
|
IP.user_ns['__name__'] = name_save
|
|
|
|
|
|
msg.user_exec.release_all()
|
|
|
if IP_rc.messages:
|
|
|
msg.summary += msg.user_exec.summary_all()
|
|
|
|
|
|
# since we can't specify a null string on the cmd line, 0 is the equivalent:
|
|
|
if IP_rc.nosep:
|
|
|
IP_rc.separate_in = IP_rc.separate_out = IP_rc.separate_out2 = '0'
|
|
|
if IP_rc.separate_in == '0': IP_rc.separate_in = ''
|
|
|
if IP_rc.separate_out == '0': IP_rc.separate_out = ''
|
|
|
if IP_rc.separate_out2 == '0': IP_rc.separate_out2 = ''
|
|
|
IP_rc.separate_in = IP_rc.separate_in.replace('\\n','\n')
|
|
|
IP_rc.separate_out = IP_rc.separate_out.replace('\\n','\n')
|
|
|
IP_rc.separate_out2 = IP_rc.separate_out2.replace('\\n','\n')
|
|
|
|
|
|
# Determine how many lines at the bottom of the screen are needed for
|
|
|
# showing prompts, so we can know wheter long strings are to be printed or
|
|
|
# paged:
|
|
|
num_lines_bot = IP_rc.separate_in.count('\n')+1
|
|
|
IP_rc.screen_length = IP_rc.screen_length - num_lines_bot
|
|
|
# Initialize cache, set in/out prompts and printing system
|
|
|
IP.outputcache = CachedOutput(IP_rc.cache_size,
|
|
|
IP_rc.pprint,
|
|
|
input_sep = IP_rc.separate_in,
|
|
|
output_sep = IP_rc.separate_out,
|
|
|
output_sep2 = IP_rc.separate_out2,
|
|
|
ps1 = IP_rc.prompt_in1,
|
|
|
ps2 = IP_rc.prompt_in2,
|
|
|
ps_out = IP_rc.prompt_out,
|
|
|
user_ns = IP.user_ns,
|
|
|
input_hist = IP.input_hist,
|
|
|
pad_left = IP_rc.prompts_pad_left)
|
|
|
|
|
|
# user may have over-ridden the default print hook:
|
|
|
try:
|
|
|
IP.outputcache.__class__.display = IP.hooks.display
|
|
|
except AttributeError:
|
|
|
pass
|
|
|
|
|
|
# Set calling of pdb on exceptions
|
|
|
IP.InteractiveTB.call_pdb = IP_rc.pdb
|
|
|
|
|
|
# I don't like assigning globally to sys, because it means when embedding
|
|
|
# instances, each embedded instance overrides the previous choice. But
|
|
|
# sys.displayhook seems to be called internally by exec, so I don't see a
|
|
|
# way around it.
|
|
|
sys.displayhook = IP.outputcache
|
|
|
|
|
|
# we need to know globally if we're caching i/o or not
|
|
|
IP.do_full_cache = IP.outputcache.do_full_cache
|
|
|
|
|
|
# configure startup banner
|
|
|
if IP_rc.c: # regular python doesn't print the banner with -c
|
|
|
IP_rc.banner = 0
|
|
|
if IP_rc.banner:
|
|
|
BANN_P = IP.BANNER_PARTS
|
|
|
else:
|
|
|
BANN_P = []
|
|
|
|
|
|
if IP_rc.profile: BANN_P.append('IPython profile: %s\n' % IP_rc.profile)
|
|
|
|
|
|
# add message log (possibly empty)
|
|
|
if msg.summary: BANN_P.append(msg.summary)
|
|
|
# Final banner is a string
|
|
|
IP.BANNER = '\n'.join(BANN_P)
|
|
|
|
|
|
# Finalize the IPython instance. This assumes the rc structure is fully
|
|
|
# in place.
|
|
|
IP.post_config_initialization()
|
|
|
|
|
|
return IP
|
|
|
#************************ end of file <ipmaker.py> **************************
|
|
|
|
