##// END OF EJS Templates
note
note

File last commit:

r2267:928c921b
r5934:cce2cf44
Show More
ipy_legacy.py
62 lines | 1.9 KiB | text/x-python | PythonLexer
""" Legacy stuff
Various stuff that are there for historical / familiarity reasons.
This is automatically imported by default profile, though not other profiles
(e.g. 'sh' profile).
Stuff that is considered obsolete / redundant is gradually moved here.
"""
from IPython.core import ipapi
ip = ipapi.get()
import os,sys
from IPython.utils.genutils import *
# use rehashx
def magic_rehash(self, parameter_s = ''):
"""Update the alias table with all entries in $PATH.
This version does no checks on execute permissions or whether the
contents of $PATH are truly files (instead of directories or something
else). For such a safer (but slower) version, use %rehashx."""
# This function (and rehashx) manipulate the alias_table directly
# rather than calling magic_alias, for speed reasons. A rehash on a
# typical Linux box involves several thousand entries, so efficiency
# here is a top concern.
path = filter(os.path.isdir,os.environ.get('PATH','').split(os.pathsep))
alias_table = self.shell.alias_table
for pdir in path:
for ff in os.listdir(pdir):
# each entry in the alias table must be (N,name), where
# N is the number of positional arguments of the alias.
alias_table[ff] = (0,ff)
# Make sure the alias table doesn't contain keywords or builtins
self.shell.alias_table_validate()
# Call again init_auto_alias() so we get 'rm -i' and other modified
# aliases since %rehash will probably clobber them
self.shell.init_auto_alias()
ip.define_magic("rehash", magic_rehash)
# Exit
def magic_Quit(self, parameter_s=''):
"""Exit IPython without confirmation (like %Exit)."""
self.shell.ask_exit()
ip.define_magic("Quit", magic_Quit)
# make it autocallable fn if you really need it
def magic_p(self, parameter_s=''):
"""Just a short alias for Python's 'print'."""
exec 'print ' + parameter_s in self.shell.user_ns
ip.define_magic("p", magic_p)