Mercurial > hg
annotate mercurial/extensions.py @ 6398:0e91ef0b52e7
Add a test for svn tags conversion
author | Patrick Mezard <pmezard@gmail.com> |
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date | Sat, 29 Mar 2008 17:15:43 +0100 |
parents | e75aab656f46 |
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Create a separate module for managing extensions
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1 # extensions.py - extension handling for mercurial |
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2 # |
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms |
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6 # of the GNU General Public License, incorporated herein by reference. |
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7 |
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8 import imp, os |
6212 | 9 import util |
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10 from i18n import _ |
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11 |
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12 _extensions = {} |
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13 _order = [] |
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14 |
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15 def extensions(): |
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16 for name in _order: |
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17 module = _extensions[name] |
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18 if module: |
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19 yield name, module |
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20 |
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21 def find(name): |
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22 '''return module with given extension name''' |
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23 try: |
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24 return _extensions[name] |
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25 except KeyError: |
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26 for k, v in _extensions.iteritems(): |
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27 if k.endswith('.' + name) or k.endswith('/' + name): |
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28 return v |
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29 raise KeyError(name) |
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30 |
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31 def load(ui, name, path): |
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32 if name.startswith('hgext.'): |
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33 shortname = name[6:] |
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34 else: |
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35 shortname = name |
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36 if shortname in _extensions: |
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37 return |
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38 _extensions[shortname] = None |
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39 if path: |
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40 # the module will be loaded in sys.modules |
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41 # choose an unique name so that it doesn't |
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42 # conflicts with other modules |
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43 module_name = "hgext_%s" % name.replace('.', '_') |
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44 if os.path.isdir(path): |
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45 # module/__init__.py style |
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46 d, f = os.path.split(path) |
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47 fd, fpath, desc = imp.find_module(f, [d]) |
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48 mod = imp.load_module(module_name, fd, fpath, desc) |
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49 else: |
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50 mod = imp.load_source(module_name, path) |
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51 else: |
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52 def importh(name): |
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53 mod = __import__(name) |
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54 components = name.split('.') |
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55 for comp in components[1:]: |
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56 mod = getattr(mod, comp) |
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57 return mod |
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58 try: |
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59 mod = importh("hgext.%s" % name) |
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60 except ImportError: |
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61 mod = importh(name) |
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62 _extensions[shortname] = mod |
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63 _order.append(shortname) |
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64 |
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65 uisetup = getattr(mod, 'uisetup', None) |
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66 if uisetup: |
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67 uisetup(ui) |
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68 |
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69 def loadall(ui): |
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70 result = ui.configitems("extensions") |
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71 for i, (name, path) in enumerate(result): |
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72 if path: |
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73 if path[0] == '!': |
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74 continue |
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75 path = os.path.expanduser(path) |
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76 try: |
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77 load(ui, name, path) |
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78 except (util.SignalInterrupt, KeyboardInterrupt): |
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79 raise |
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80 except Exception, inst: |
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81 if path: |
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82 ui.warn(_("*** failed to import extension %s from %s: %s\n") |
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83 % (name, path, inst)) |
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84 else: |
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85 ui.warn(_("*** failed to import extension %s: %s\n") |
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86 % (name, inst)) |
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87 if ui.print_exc(): |
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88 return 1 |
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89 |