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Mini Shell
import os
from tkinter import *
import tkinter.messagebox as tkMessageBox
class FileList:
# N.B. this import overridden in PyShellFileList.
from idlelib.EditorWindow import EditorWindow
def __init__(self, root):
self.root = root
self.dict = {}
self.inversedict = {}
self.vars = {} # For EditorWindow.getrawvar (shared Tcl variables)
def open(self, filename, action=None):
assert filename
filename = self.canonize(filename)
if os.path.isdir(filename):
# This can happen when bad filename is passed on command line:
tkMessageBox.showerror(
"File Error",
"%r is a directory." % (filename,),
master=self.root)
return None
key = os.path.normcase(filename)
if key in self.dict:
edit = self.dict[key]
edit.top.wakeup()
return edit
if action:
# Don't create window, perform 'action', e.g. open in same window
return action(filename)
else:
edit = self.EditorWindow(self, filename, key)
if edit.good_load:
return edit
else:
edit._close()
return None
def gotofileline(self, filename, lineno=None):
edit = self.open(filename)
if edit is not None and lineno is not None:
edit.gotoline(lineno)
def new(self, filename=None):
return self.EditorWindow(self, filename)
def close_all_callback(self, *args, **kwds):
for edit in list(self.inversedict):
reply = edit.close()
if reply == "cancel":
break
return "break"
def unregister_maybe_terminate(self, edit):
try:
key = self.inversedict[edit]
except KeyError:
print("Don't know this EditorWindow object. (close)")
return
if key:
del self.dict[key]
del self.inversedict[edit]
if not self.inversedict:
self.root.quit()
def filename_changed_edit(self, edit):
edit.saved_change_hook()
try:
key = self.inversedict[edit]
except KeyError:
print("Don't know this EditorWindow object. (rename)")
return
filename = edit.io.filename
if not filename:
if key:
del self.dict[key]
self.inversedict[edit] = None
return
filename = self.canonize(filename)
newkey = os.path.normcase(filename)
if newkey == key:
return
if newkey in self.dict:
conflict = self.dict[newkey]
self.inversedict[conflict] = None
tkMessageBox.showerror(
"Name Conflict",
"You now have multiple edit windows open for %r" % (filename,),
master=self.root)
self.dict[newkey] = edit
self.inversedict[edit] = newkey
if key:
try:
del self.dict[key]
except KeyError:
pass
def canonize(self, filename):
if not os.path.isabs(filename):
try:
pwd = os.getcwd()
except OSError:
pass
else:
filename = os.path.join(pwd, filename)
return os.path.normpath(filename)
def _test():
from idlelib.EditorWindow import fixwordbreaks
import sys
root = Tk()
fixwordbreaks(root)
root.withdraw()
flist = FileList(root)
if sys.argv[1:]:
for filename in sys.argv[1:]:
flist.open(filename)
else:
flist.new()
if flist.inversedict:
root.mainloop()
if __name__ == '__main__':
_test()
Zerion Mini Shell 1.0