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annotate .elisp/pycomplete.py @ 174:014e745b2d04

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python-mode: updating to current bzr version This is bzr revision 351, which is revision-id: barry@python.org-20090320013721-awwzwv1mfl7hicdf
author Augie Fackler <durin42@gmail.com>
date Wed, 16 Dec 2009 22:57:36 -0600
parents b5d75594b356
children
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1
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2 """
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3 Python dot expression completion using Pymacs.
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4
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5 This almost certainly needs work, but if you add
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6
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7 (require 'pycomplete)
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8
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9 to your .xemacs/init.el file (untried w/ GNU Emacs so far) and have Pymacs
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10 installed, when you hit M-TAB it will try to complete the dot expression
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11 before point. For example, given this import at the top of the file:
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12
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13 import time
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14
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15 typing "time.cl" then hitting M-TAB should complete "time.clock".
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16
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17 This is unlikely to be done the way Emacs completion ought to be done, but
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18 it's a start. Perhaps someone with more Emacs mojo can take this stuff and
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19 do it right.
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20
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21 See pycomplete.el for the Emacs Lisp side of things.
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22 """
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23
174
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24 # Author: Skip Montanaro
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25 # Maintainer: skip@pobox.com
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26 # Created: Oct 2004
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27 # Keywords: python pymacs emacs
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28
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29 # This software is provided as-is, without express or implied warranty.
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30 # Permission to use, copy, modify, distribute or sell this software, without
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31 # fee, for any purpose and by any individual or organization, is hereby
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32 # granted, provided that the above copyright notice and this paragraph
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33 # appear in all copies.
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34
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35 # Along with pycomplete.el this file allows programmers to complete Python
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36 # symbols within the current buffer.
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37
19
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38 import sys
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39 import os.path
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40
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41 try:
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42 x = set
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43 except NameError:
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44 from sets import Set as set
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45 else:
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46 del x
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47
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48 def get_all_completions(s, imports=None):
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49 """Return contextual completion of s (string of >= zero chars).
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50
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51 If given, imports is a list of import statements to be executed first.
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52 """
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53 locald = {}
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54 if imports is not None:
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55 for stmt in imports:
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56 try:
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57 exec stmt in globals(), locald
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58 except TypeError:
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59 raise TypeError, "invalid type: %s" % stmt
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60
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61 dots = s.split(".")
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62 if not s or len(dots) == 1:
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63 keys = set()
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64 keys.update(locald.keys())
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65 keys.update(globals().keys())
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66 import __builtin__
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67 keys.update(dir(__builtin__))
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68 keys = list(keys)
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69 keys.sort()
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70 if s:
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71 return [k for k in keys if k.startswith(s)]
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72 else:
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73 return keys
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74
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75 sym = None
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76 for i in range(1, len(dots)):
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77 s = ".".join(dots[:i])
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78 try:
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79 sym = eval(s, globals(), locald)
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80 except NameError:
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81 try:
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82 sym = __import__(s, globals(), locald, [])
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83 except ImportError:
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84 return []
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85 if sym is not None:
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86 s = dots[-1]
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87 return [k for k in dir(sym) if k.startswith(s)]
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88
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89 def pycomplete(s, imports=None):
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90 completions = get_all_completions(s, imports)
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91 dots = s.split(".")
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92 return os.path.commonprefix([k[len(dots[-1]):] for k in completions])
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93
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94 if __name__ == "__main__":
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95 print "<empty> ->", pycomplete("")
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96 print "sys.get ->", pycomplete("sys.get")
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97 print "sy ->", pycomplete("sy")
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98 print "sy (sys in context) ->", pycomplete("sy", imports=["import sys"])
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99 print "foo. ->", pycomplete("foo.")
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100 print "Enc (email * imported) ->",
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101 print pycomplete("Enc", imports=["from email import *"])
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102 print "E (email * imported) ->",
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103 print pycomplete("E", imports=["from email import *"])
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104
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105 print "Enc ->", pycomplete("Enc")
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106 print "E ->", pycomplete("E")
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107
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108 # Local Variables :
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109 # pymacs-auto-reload : t
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110 # End :