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70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
import glob
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import os.path
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import urwid
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class _PathCompleter:
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def __init__(self, _testing=False):
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"""
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_testing: disables reloading of the lookup table to make testing
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possible.
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"""
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self.lookup, self.offset = None, None
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self.final = None
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self._testing = _testing
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def reset(self):
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self.lookup = None
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self.offset = -1
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def complete(self, txt):
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"""
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Returns the next completion for txt, or None if there is no
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completion.
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"""
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path = os.path.expanduser(txt)
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if not self.lookup:
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if not self._testing:
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# Lookup is a set of (display value, actual value) tuples.
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self.lookup = []
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if os.path.isdir(path):
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files = glob.glob(os.path.join(path, "*"))
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prefix = txt
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else:
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files = glob.glob(path + "*")
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prefix = os.path.dirname(txt)
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prefix = prefix or "./"
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for f in files:
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display = os.path.join(prefix, os.path.basename(f))
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if os.path.isdir(f):
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display += "/"
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self.lookup.append((display, f))
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if not self.lookup:
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self.final = path
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return path
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self.lookup.sort()
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self.offset = -1
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self.lookup.append((txt, txt))
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self.offset += 1
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if self.offset >= len(self.lookup):
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self.offset = 0
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ret = self.lookup[self.offset]
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self.final = ret[1]
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return ret[0]
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class PathEdit(urwid.Edit, _PathCompleter):
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def __init__(self, *args, **kwargs):
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urwid.Edit.__init__(self, *args, **kwargs)
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_PathCompleter.__init__(self)
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def keypress(self, size, key):
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if key == "tab":
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comp = self.complete(self.get_edit_text())
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self.set_edit_text(comp)
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self.set_edit_pos(len(comp))
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else:
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self.reset()
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return urwid.Edit.keypress(self, size, key)
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