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import os
import sys
import imp
import string
import tkMessageBox
from MultiScrolledLists import MultiScrolledLists
class PathBrowser(MultiScrolledLists):
def __init__(self, flist):
self.flist = flist
MultiScrolledLists.__init__(self, flist.root, 4)
def longtitle(self):
return "Path Browser"
def width(self, i):
return 30
def height(self, i):
return 20
def subtitle(self, i):
if i == 0:
return "Path Entries (sys.path)"
if i-1 >= len(self.path):
return ""
if i == 1:
return self.path[0]
if i == 2:
return "Classes in " + self.path[1]
if i == 3:
s = self.path[2]
i = string.find(s, "(")
if i > 0:
s = s[:i]
return "Methods of " + s
return ""
def items(self, i):
if i == 0:
return sys.path
if i == 1:
return self.listmodules()
if i == 2:
return self.listclasses()
if i == 3:
return self.listmethods()
def listmodules(self):
dir = self.path[0] or os.curdir
modules = {}
suffixes = imp.get_suffixes()
allnames = os.listdir(dir)
sorted = []
for suff, mode, flag in suffixes:
i = -len(suff)
for name in allnames:
normed_name = os.path.normcase(name)
if normed_name[i:] == suff:
mod_name = name[:i]
if not modules.has_key(mod_name):
modules[mod_name] = None
sorted.append((normed_name, name))
sorted.sort()
names = []
for nn, name in sorted:
names.append(name)
return names
def listclasses(self):
import pyclbr
dir = self.path[0]
file = self.path[1]
name, ext = os.path.splitext(file)
if os.path.normcase(ext) != ".py":
self.top.bell()
return []
try:
self.top.configure(cursor="watch")
self.top.update_idletasks()
try:
dict = pyclbr.readmodule(name, [dir] + sys.path)
finally:
self.top.configure(cursor="")
except ImportError, msg:
tkMessageBox.showerror("Import error", str(msg), parent=root)
return []
items = []
self.classes = {}
for key, cl in dict.items():
if cl.module == name:
s = key
if cl.super:
supers = []
for sup in cl.super:
if type(sup) is type(''):
sname = sup
else:
sname = sup.name
if sup.module != cl.module:
sname = "%s.%s" % (sup.module, sname)
supers.append(sname)
s = s + "(%s)" % string.join(supers, ", ")
items.append((cl.lineno, s))
self.classes[s] = cl
items.sort()
list = []
for item, s in items:
list.append(s)
return list
def listmethods(self):
try:
cl = self.classes[self.path[2]]
except (IndexError, KeyError):
return []
items = []
for name, lineno in cl.methods.items():
items.append((lineno, name))
items.sort()
list = []
for item, name in items:
list.append(name)
return list
def on_double(self, index, i):
if i == 0:
return
if i >= 1:
dir = self.path[0]
file = self.path[1]
name, ext = os.path.splitext(file)
if os.path.normcase(ext) != ".py":
self.top.bell()
return
fullname = os.path.join(dir, file)
edit = self.flist.open(fullname)
if i >= 2:
classname = self.path[2]
try:
cl = self.classes[classname]
except KeyError:
cl = None
else:
if i == 2:
edit.gotoline(cl.lineno)
else:
methodname = self.path[3]
edit.gotoline(cl.methods[methodname])
def main():
import PyShell
PathBrowser(PyShell.flist)
if __name__ == "__main__":
main()
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