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138 lines
4.0 KiB
Python
138 lines
4.0 KiB
Python
"""
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This file is executed when the Python interactive shell is started if
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$PYTHONSTARTUP is in your environment and points to this file. It's just
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regular Python commands, so do what you will. Your ~/.inputrc file can greatly
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complement this file.
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"""
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import os
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try:
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import readline
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import rlcompleter
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import atexit
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except ImportError:
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print("You need readline, rlcompleter, and atexit")
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readline.parse_and_bind("tab: complete")
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#readline.parse_and_bind ("bind ^I rl_complete")
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class Completer(object):
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def __init__(self):
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# Enable a History
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self.HISTFILE=os.path.expanduser("%s/.pyhistory" % os.environ["HOME"])
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# Read the existing history if there is one
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if os.path.exists(self.HISTFILE):
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readline.read_history_file(self.HISTFILE)
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# Set maximum number of items that will be written to the history file
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readline.set_history_length(300)
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atexit.register(self.savehist)
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def savehist(self):
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import readline
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readline.write_history_file(self.HISTFILE)
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c = Completer()
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WELCOME=''
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# Color Support
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class TermColors(dict):
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"""Gives easy access to ANSI color codes. Attempts to fall back to no color
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for certain TERM values. (Mostly stolen from IPython.)"""
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COLOR_TEMPLATES = (
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("Black" , "0;30"),
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("Red" , "0;31"),
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("Green" , "0;32"),
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("Brown" , "0;33"),
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("Blue" , "0;34"),
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("Purple" , "0;35"),
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("Cyan" , "0;36"),
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("LightGray" , "0;37"),
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("DarkGray" , "1;30"), ("LightRed" , "1;31"),
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("LightGreen" , "1;32"),
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("Yellow" , "1;33"),
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("LightBlue" , "1;34"),
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("LightPurple" , "1;35"),
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("LightCyan" , "1;36"),
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("White" , "1;37"),
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("Normal" , "0"),
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)
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NoColor = ''
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_base = '\001\033[%sm\002'
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def __init__(self):
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if os.environ.get('TERM') in ('xterm-color', 'xterm-256color', 'linux',
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'screen', 'screen-256color', 'screen-bce'):
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self.update(dict([(k, self._base % v) for k,v in self.COLOR_TEMPLATES]))
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else:
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self.update(dict([(k, self.NoColor) for k,v in self.COLOR_TEMPLATES]))
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_c = TermColors()
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import sys
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# Enable Color Prompts
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sys.ps1 = '%s>>> %s' % (_c['Green'], _c['Normal'])
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sys.ps2 = '%s... %s' % (_c['Red'], _c['Normal'])
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# Enable Pretty Printing for stdout
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def my_displayhook(value):
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if value is not None:
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try:
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import __builtin__
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__builtin__._ = value
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except ImportError:
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__builtins__._ = value
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import pprint
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pprint.pprint(value)
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del pprint
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sys.displayhook = my_displayhook
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EDITOR = os.environ.get('EDITOR', 'vim')
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EDIT_CMD = '\e'
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from tempfile import mkstemp
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from code import InteractiveConsole
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class EditableBufferInteractiveConsole(InteractiveConsole):
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def __init__(self, *args, **kwargs):
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self.last_buffer = [] # This holds the last executed statement
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InteractiveConsole.__init__(self, *args, **kwargs)
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def runsource(self, source, *args):
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self.last_buffer = [ source.encode('latin-1') ]
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return InteractiveConsole.runsource(self, source, *args)
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def raw_input(self, *args):
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line = InteractiveConsole.raw_input(self, *args)
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if line == EDIT_CMD:
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fd, tmpfl = mkstemp('.py')
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os.write(fd, b'\n'.join(self.last_buffer))
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os.close(fd)
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os.system('%s %s' % (EDITOR, tmpfl))
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line = open(tmpfl).read()
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os.unlink(tmpfl)
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tmpfl = ''
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lines = line.split( '\n' )
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for i in range(len(lines) - 1): self.push( lines[i] )
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line = lines[-1]
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return line
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# clean up namespace
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del sys
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if __name__ == "__main__":
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c = EditableBufferInteractiveConsole(locals=locals())
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c.interact(banner=WELCOME)
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# Exit the Python shell on exiting the InteractiveConsole
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import sys
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sys.exit()
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