canonic(): This used to be equivalent to str() but that caused too

much breakage (esp. in JPython which holds absolute path names in
co_filename already).  This implementation uses os.path.abspath() as a
slightly better way to canonicalize path names.  It implements a
cache.
This commit is contained in:
Barry Warsaw 1999-09-09 23:24:33 +00:00
parent 2bee8feac6
commit 148ffbc886
1 changed files with 9 additions and 6 deletions

View File

@ -1,6 +1,7 @@
# Debugger basics
import sys
import os
import types
BdbQuit = 'bdb.BdbQuit' # Exception to give up completely
@ -17,12 +18,14 @@ class Bdb:
def __init__(self):
self.breaks = {}
# We want to have a method self.canonic() which
# canonicalizes filenames before comparing them
# but we want the default to be a very fast no-op.
# Solution: the built-in str function.
if not hasattr(self, "canonic"):
self.canonic = str
self.fncache = {}
def canonic(self, filename):
canonic = self.fncache.get(filename)
if not canonic:
canonic = os.path.abspath(filename)
self.fncache[filename] = canonic
return canonic
def reset(self):
import linecache