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Update deepreload to use a rewritten knee.py. Fixes dreload(numpy)....
Update deepreload to use a rewritten knee.py. Fixes dreload(numpy). knee.py, a Python re-implementation of hierarchical module import was removed from the standard library because it no longer functioned properly. deepreload.py is little more than a hacked version of knee.py which overrides __builtin__.__import__ to ensure that each module is re-imported once (before just referring to sys.modules as usual). In addition, `os.path` was added to the default excluded modules, since somehow it has an entry in sys.modules without `os' being a package.

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ipy_which.py
76 lines | 1.9 KiB | text/x-python | PythonLexer
r""" %which magic command
%which <cmd> => search PATH for files matching PATH. Also scans aliases
"""
from IPython.core import ipapi
ip = ipapi.get()
import os,sys
from fnmatch import fnmatch
def which(fname):
fullpath = filter(os.path.isdir,os.environ['PATH'].split(os.pathsep))
if '.' not in fullpath:
fullpath = ['.'] + fullpath
fn = fname
for p in fullpath:
for f in os.listdir(p):
head, ext = os.path.splitext(f)
if f == fn or fnmatch(head, fn):
yield os.path.join(p,f)
return
def which_alias(fname):
for al, tgt in ip.alias_table.items():
if not (al == fname or fnmatch(al, fname)):
continue
if callable(tgt):
print "Callable alias",tgt
d = tgt.__doc__
if d:
print "Docstring:\n",d
continue
trg = tgt[1]
trans = ip.expand_alias(trg)
cmd = trans.split(None,1)[0]
print al,"->",trans
for realcmd in which(cmd):
print " ==",realcmd
def which_f(self, arg):
r""" %which <cmd> => search PATH for files matching cmd. Also scans aliases.
Traverses PATH and prints all files (not just executables!) that match the
pattern on command line. Probably more useful in finding stuff
interactively than 'which', which only prints the first matching item.
Also discovers and expands aliases, so you'll see what will be executed
when you call an alias.
Example:
[~]|62> %which d
d -> ls -F --color=auto
== c:\cygwin\bin\ls.exe
c:\cygwin\bin\d.exe
[~]|64> %which diff*
diff3 -> diff3
== c:\cygwin\bin\diff3.exe
diff -> diff
== c:\cygwin\bin\diff.exe
c:\cygwin\bin\diff.exe
c:\cygwin\bin\diff3.exe
"""
which_alias(arg)
for e in which(arg):
print e
ip.define_magic("which",which_f)