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Support passing image format to external program...
Support passing image format to external program 1. In tempfile handler, extension of the file is properly set. 2. In stream and tempfile handler, {format} in command line is replaced with image format.

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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)