132 lines
3.9 KiB
Python
132 lines
3.9 KiB
Python
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"idlelib.filelist"
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import os
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from tkinter import messagebox as tkMessageBox
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class FileList:
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# N.B. this import overridden in PyShellFileList.
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from idlelib.editor import EditorWindow
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def __init__(self, root):
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self.root = root
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self.dict = {}
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self.inversedict = {}
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self.vars = {} # For EditorWindow.getrawvar (shared Tcl variables)
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def open(self, filename, action=None):
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assert filename
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filename = self.canonize(filename)
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if os.path.isdir(filename):
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# This can happen when bad filename is passed on command line:
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tkMessageBox.showerror(
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"File Error",
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"%r is a directory." % (filename,),
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master=self.root)
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return None
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key = os.path.normcase(filename)
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if key in self.dict:
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edit = self.dict[key]
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edit.top.wakeup()
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return edit
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if action:
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# Don't create window, perform 'action', e.g. open in same window
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return action(filename)
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else:
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edit = self.EditorWindow(self, filename, key)
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if edit.good_load:
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return edit
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else:
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edit._close()
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return None
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def gotofileline(self, filename, lineno=None):
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edit = self.open(filename)
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if edit is not None and lineno is not None:
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edit.gotoline(lineno)
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def new(self, filename=None):
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return self.EditorWindow(self, filename)
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def close_all_callback(self, *args, **kwds):
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for edit in list(self.inversedict):
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reply = edit.close()
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if reply == "cancel":
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break
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return "break"
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def unregister_maybe_terminate(self, edit):
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try:
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key = self.inversedict[edit]
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except KeyError:
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print("Don't know this EditorWindow object. (close)")
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return
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if key:
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del self.dict[key]
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del self.inversedict[edit]
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if not self.inversedict:
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self.root.quit()
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def filename_changed_edit(self, edit):
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edit.saved_change_hook()
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try:
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key = self.inversedict[edit]
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except KeyError:
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print("Don't know this EditorWindow object. (rename)")
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return
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filename = edit.io.filename
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if not filename:
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if key:
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del self.dict[key]
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self.inversedict[edit] = None
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return
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filename = self.canonize(filename)
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newkey = os.path.normcase(filename)
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if newkey == key:
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return
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if newkey in self.dict:
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conflict = self.dict[newkey]
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self.inversedict[conflict] = None
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tkMessageBox.showerror(
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"Name Conflict",
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"You now have multiple edit windows open for %r" % (filename,),
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master=self.root)
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self.dict[newkey] = edit
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self.inversedict[edit] = newkey
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if key:
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try:
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del self.dict[key]
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except KeyError:
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pass
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def canonize(self, filename):
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if not os.path.isabs(filename):
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try:
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pwd = os.getcwd()
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except OSError:
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pass
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else:
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filename = os.path.join(pwd, filename)
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return os.path.normpath(filename)
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def _test(): # TODO check and convert to htest
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from tkinter import Tk
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from idlelib.editor import fixwordbreaks
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from idlelib.run import fix_scaling
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root = Tk()
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fix_scaling(root)
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fixwordbreaks(root)
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root.withdraw()
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flist = FileList(root)
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flist.new()
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if flist.inversedict:
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root.mainloop()
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if __name__ == '__main__':
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from unittest import main
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main('idlelib.idle_test.test_filelist', verbosity=2)
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# _test()
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