|
|
from IPython.hooks import CommandChainDispatcher
|
|
|
import IPython.hooks
|
|
|
|
|
|
import re
|
|
|
|
|
|
class StrDispatch(object):
|
|
|
""" Dispatch (lookup) a set of strings / regexps for match """
|
|
|
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
|
|
|
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
|
|
|
|
|
|
|
|
|
def test():
|
|
|
d = StrDispatch()
|
|
|
d.add_s('hei',34, priority = 4)
|
|
|
d.add_s('hei',123, priority = 2)
|
|
|
print list(d.dispatch('hei'))
|
|
|
d.add_re('h.i', 686)
|
|
|
print list(d.flat_matches('hei'))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
test()
|
