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ledit.py
97 lines | 3.0 KiB | text/x-python | PythonLexer
vivainio
merge all from 0.7.3 branch to trunk
r503 """ Fun magic line editor for ipython
Use this to easily edit lists of strings gradually without crafting long
list comprehensions.
'l' is the magic variable name for every line (array element). Save the current
result (or more exactly, retrieve the last ipython computation result into
%led work area) by running '%led s'. Just run '%led' to show the current work
area data.
Example use:
[ipython]|25> setups = !ls *setup*.py
==
['eggsetup.py', 'setup.py', 'setup_bdist_egg.py']
[ipython]|26> setups
<26> ['eggsetup.py', 'setup.py', 'setup_bdist_egg.py']
[ipython]|27> %led s
Data set from last result (_)
<27> ['eggsetup.py', 'setup.py', 'setup_bdist_egg.py']
[ipython]|28> %led upper
cmd translated => l.upper()
<28> ['EGGSETUP.PY', 'SETUP.PY', 'SETUP_BDIST_EGG.PY']
[ipython]|29> %led
Magic line editor (for lists of strings)
current data is:
['eggsetup.py', 'setup.py', 'setup_bdist_egg.py']
[ipython]|30> %led upper
cmd translated => l.upper()
<30> ['EGGSETUP.PY', 'SETUP.PY', 'SETUP_BDIST_EGG.PY']
[ipython]|31> %led s
Data set from last result (_)
<31> ['EGGSETUP.PY', 'SETUP.PY', 'SETUP_BDIST_EGG.PY']
[ipython]|32> %led "n:" + l
<32> ['n:EGGSETUP.PY', 'n:SETUP.PY', 'n:SETUP_BDIST_EGG.PY']
[ipython]|33> %led s
Data set from last result (_)
<33> ['n:EGGSETUP.PY', 'n:SETUP.PY', 'n:SETUP_BDIST_EGG.PY']
[ipython]|34> %led l.
l.__add__ l.__gt__ l.__reduce_ex__ l.endswith l.join l.rstrip
l.__class__ l.__hash__ l.__repr__ l.expandtabs l.ljust l.split
... (completions for string variable shown ) ...
"""
Brian Granger
ipapi.py => core/ipapi.py and imports updated.
r2027 from IPython.core import ipapi
vivainio
merge all from 0.7.3 branch to trunk
r503 import pprint
Brian Granger
ipapi.py => core/ipapi.py and imports updated.
r2027 ip = ipapi.get()
vivainio
merge all from 0.7.3 branch to trunk
r503
curdata = []
def line_edit_f(self, cmd ):
global curdata
if not cmd:
print "Magic line editor (for lists of strings)"
if curdata:
print "current data is:"
pprint.pprint(curdata)
else:
print "No current data, you should set it by running '%led s'"
print "When you have your data in _ (result of last computation)."
return
if cmd == 's':
curdata = ip.ev('_')
print "Data set from last result (_)"
newlines = curdata
else:
# simple method call, e.g. upper
if cmd.isalpha():
cmd = 'l.' + cmd + '()'
print "cmd translated =>",cmd
newlines = []
for l in curdata:
try:
l2 = eval(cmd)
except Exception,e:
print "Dropping exception",e,"on line:",l
continue
newlines.append(l2)
return newlines
def line_edit_complete_f(self,event):
""" Show all string methods in completions """
if event.symbol.startswith('l.'):
return ['l.' + func for func in dir('')]
return dir('') + ['l.' + func for func in dir('')]
ip.set_hook('complete_command', line_edit_complete_f , str_key = '%led')
Brian Granger
Continuing a massive refactor of everything.
r2205 ip.define_magic('led', line_edit_f)