cpython/Lib/idlelib/filelist.py at 3.13 · python/cpython · GitHub

Name: cpython/Lib/idlelib/filelist.py at 3.13 · python/cpython · GitHub
Rating: 4.4 (8442 reviews)
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"idlelib.filelist"

importos
fromtkinterimportmessagebox


classFileList:

# N.B. this import overridden in PyShellFileList.
fromidlelib.editorimportEditorWindow

def__init__(self, root):
self.root=root
self.dict= {}
self.inversedict= {}
self.vars= {} # For EditorWindow.getrawvar (shared Tcl variables)

defopen(self, filename, action=None):
assertfilename
filename=self.canonize(filename)
ifos.path.isdir(filename):
# This can happen when bad filename is passed on command line:
messagebox.showerror(
"File Error",
f"{filename!r} is a directory.",
master=self.root)
returnNone
key=os.path.normcase(filename)
ifkeyinself.dict:
edit=self.dict[key]
edit.top.wakeup()
returnedit
ifaction:
# Don't create window, perform 'action', e.g. open in same window
returnaction(filename)
else:
edit=self.EditorWindow(self, filename, key)
ifedit.good_load:
returnedit
else:
edit._close()
returnNone

defgotofileline(self, filename, lineno=None):
edit=self.open(filename)
ifeditisnotNoneandlinenoisnotNone:
edit.gotoline(lineno)

defnew(self, filename=None):
returnself.EditorWindow(self, filename)

defclose_all_callback(self, *args, **kwds):
foreditinlist(self.inversedict):
reply=edit.close()
ifreply=="cancel":
break
return"break"

defunregister_maybe_terminate(self, edit):
try:
key=self.inversedict[edit]
exceptKeyError:
print("Don't know this EditorWindow object. (close)")
return
ifkey:
delself.dict[key]
delself.inversedict[edit]
ifnotself.inversedict:
self.root.quit()

deffilename_changed_edit(self, edit):
edit.saved_change_hook()
try:
key=self.inversedict[edit]
exceptKeyError:
print("Don't know this EditorWindow object. (rename)")
return
filename=edit.io.filename
ifnotfilename:
ifkey:
delself.dict[key]
self.inversedict[edit] =None
return
filename=self.canonize(filename)
newkey=os.path.normcase(filename)
ifnewkey==key:
return
ifnewkeyinself.dict:
conflict=self.dict[newkey]
self.inversedict[conflict] =None
messagebox.showerror(
"Name Conflict",
f"You now have multiple edit windows open for {filename!r}",
master=self.root)
self.dict[newkey] =edit
self.inversedict[edit] =newkey
ifkey:
try:
delself.dict[key]
exceptKeyError:
pass

defcanonize(self, filename):
ifnotos.path.isabs(filename):
try:
pwd=os.getcwd()
exceptOSError:
pass
else:
filename=os.path.join(pwd, filename)
returnos.path.normpath(filename)


def_test(): # TODO check and convert to htest
fromtkinterimportTk
fromidlelib.editorimportfixwordbreaks
fromidlelib.runimportfix_scaling
root=Tk()
fix_scaling(root)
fixwordbreaks(root)
root.withdraw()
flist=FileList(root)
flist.new()
ifflist.inversedict:
root.mainloop()


if__name__=='__main__':
fromunittestimportmain
main('idlelib.idle_test.test_filelist', verbosity=2)

# _test()