Mercurial > dotfiles
annotate .elisp/pycomplete.py @ 109:8e04d9d41a55
reindent-then-newline-and-indent is the best discovery of the week.
author | Augie Fackler <durin42@gmail.com> |
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date | Wed, 17 Jun 2009 15:47:51 -0500 |
parents | b5d75594b356 |
children | 014e745b2d04 |
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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 |
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24 import sys |
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25 import os.path |
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26 |
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27 try: |
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28 x = set |
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29 except NameError: |
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30 from sets import Set as set |
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31 else: |
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32 del x |
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33 |
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34 def get_all_completions(s, imports=None): |
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35 """Return contextual completion of s (string of >= zero chars). |
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36 |
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37 If given, imports is a list of import statements to be executed first. |
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38 """ |
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39 locald = {} |
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40 if imports is not None: |
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41 for stmt in imports: |
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42 try: |
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43 exec stmt in globals(), locald |
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44 except TypeError: |
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45 raise TypeError, "invalid type: %s" % stmt |
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46 |
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47 dots = s.split(".") |
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48 if not s or len(dots) == 1: |
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49 keys = set() |
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50 keys.update(locald.keys()) |
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51 keys.update(globals().keys()) |
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52 import __builtin__ |
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53 keys.update(dir(__builtin__)) |
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54 keys = list(keys) |
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55 keys.sort() |
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56 if s: |
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57 return [k for k in keys if k.startswith(s)] |
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58 else: |
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59 return keys |
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60 |
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61 sym = None |
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62 for i in range(1, len(dots)): |
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63 s = ".".join(dots[:i]) |
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64 try: |
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65 sym = eval(s, globals(), locald) |
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66 except NameError: |
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67 try: |
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68 sym = __import__(s, globals(), locald, []) |
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69 except ImportError: |
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70 return [] |
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71 if sym is not None: |
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72 s = dots[-1] |
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73 return [k for k in dir(sym) if k.startswith(s)] |
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74 |
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75 def pycomplete(s, imports=None): |
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76 completions = get_all_completions(s, imports) |
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77 dots = s.split(".") |
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78 return os.path.commonprefix([k[len(dots[-1]):] for k in completions]) |
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79 |
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80 if __name__ == "__main__": |
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81 print "<empty> ->", pycomplete("") |
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82 print "sys.get ->", pycomplete("sys.get") |
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83 print "sy ->", pycomplete("sy") |
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84 print "sy (sys in context) ->", pycomplete("sy", imports=["import sys"]) |
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85 print "foo. ->", pycomplete("foo.") |
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86 print "Enc (email * imported) ->", |
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87 print pycomplete("Enc", imports=["from email import *"]) |
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88 print "E (email * imported) ->", |
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89 print pycomplete("E", imports=["from email import *"]) |
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90 |
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91 print "Enc ->", pycomplete("Enc") |
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92 print "E ->", pycomplete("E") |
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93 |
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94 # Local Variables : |
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95 # pymacs-auto-reload : t |
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96 # End : |