/usr/lib/python3/dist-packages/IPython/utils/strdispatch.py is in python3-ipython 5.5.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | """String dispatch class to match regexps and dispatch commands.
"""
# Stdlib imports
import re
# Our own modules
from IPython.core.hooks import CommandChainDispatcher
# Code begins
class StrDispatch(object):
"""Dispatch (lookup) a set of strings / regexps for match.
Example:
>>> dis = StrDispatch()
>>> dis.add_s('hei',34, priority = 4)
>>> dis.add_s('hei',123, priority = 2)
>>> dis.add_re('h.i', 686)
>>> print(list(dis.flat_matches('hei')))
[123, 34, 686]
"""
def __init__(self):
self.strs = {}
self.regexs = {}
def add_s(self, s, obj, priority= 0 ):
""" Adds a target 'string' for dispatching """
chain = self.strs.get(s, CommandChainDispatcher())
chain.add(obj,priority)
self.strs[s] = chain
def add_re(self, regex, obj, priority= 0 ):
""" Adds a target regexp for dispatching """
chain = self.regexs.get(regex, CommandChainDispatcher())
chain.add(obj,priority)
self.regexs[regex] = chain
def dispatch(self, key):
""" Get a seq of Commandchain objects that match key """
if key in self.strs:
yield self.strs[key]
for r, obj in self.regexs.items():
if re.match(r, key):
yield obj
else:
#print "nomatch",key # dbg
pass
def __repr__(self):
return "<Strdispatch %s, %s>" % (self.strs, self.regexs)
def s_matches(self, key):
if key not in self.strs:
return
for el in self.strs[key]:
yield el[1]
def flat_matches(self, key):
""" Yield all 'value' targets, without priority """
for val in self.dispatch(key):
for el in val:
yield el[1] # only value, no priority
return
|