mirror of https://github.com/python/cpython
107 lines
2.4 KiB
Python
107 lines
2.4 KiB
Python
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# Instant Python
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# $Id$
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#
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# tk common file dialogues
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#
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# this module provides interfaces to the native file dialogues
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# available in Tk 4.2 and newer.
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#
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# written by Fredrik Lundh, May 1997.
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#
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#
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# options (all have default values):
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#
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# - defaultextension: added to filename if not explicitly given
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#
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# - filetypes: sequence of (label, pattern) tuples. the same pattern
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# may occur with several patterns. use "*" as pattern to indicate
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# all files.
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#
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# - initialdir: initial directory. preserved by dialog instance.
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#
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# - initialfile: initial file (ignored by the open dialog). preserved
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# by dialog instance.
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#
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# - parent: which window to place the dialog on top of
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#
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# - title: dialog title
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#
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from tkCommonDialog import Dialog
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class _Dialog(Dialog):
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def _fixoptions(self):
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try:
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# make sure "filetypes" is a tuple
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self.options["filetypes"] = tuple(self.options["filetypes"])
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except KeyError:
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pass
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def _fixresult(self, widget, result):
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if result:
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# keep directory and filename until next time
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import os
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path, file = os.path.split(result)
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self.options["initialdir"] = path
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self.options["initialfile"] = file
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self.filename = result # compatibility
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return result
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#
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# file dialogs
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class Open(_Dialog):
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"Ask for a filename to open"
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command = "tk_getOpenFile"
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class SaveAs(_Dialog):
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"Ask for a filename to save as"
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command = "tk_getSaveFile"
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#
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# convenience stuff
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def askopenfilename(**options):
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"Ask for a filename to open"
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return apply(Open, (), options).show()
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def asksaveasfilename(**options):
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"Ask for a filename to save as"
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return apply(SaveAs, (), options).show()
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# FIXME: are the following two perhaps a bit too convenient?
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def askopenfile(mode = "r", **options):
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"Ask for a filename to open, and returned the opened file"
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filename = apply(Open, (), options).show()
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if filename:
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return open(filename, mode)
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return None
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def asksaveasfile(mode = "w", **options):
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"Ask for a filename to save as, and returned the opened file"
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filename = apply(SaveAs, (), options).show()
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if filename:
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return open(filename, mode)
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return None
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# --------------------------------------------------------------------
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# test stuff
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if __name__ == "__main__":
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print "open", askopenfilename(filetypes=[("all filez", "*")])
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print "saveas", asksaveasfilename()
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