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1 | # resourceutil.py - utility for looking up resources |
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1 | # resourceutil.py - utility for looking up resources | |
2 | # |
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2 | # | |
3 | # Copyright 2005 K. Thananchayan <thananck@yahoo.com> |
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3 | # Copyright 2005 K. Thananchayan <thananck@yahoo.com> | |
4 | # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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4 | # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> | |
5 | # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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5 | # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> | |
6 | # |
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6 | # | |
7 | # This software may be used and distributed according to the terms of the |
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7 | # This software may be used and distributed according to the terms of the | |
8 | # GNU General Public License version 2 or any later version. |
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8 | # GNU General Public License version 2 or any later version. | |
9 |
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9 | |||
10 | from __future__ import absolute_import |
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10 | from __future__ import absolute_import | |
11 |
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11 | |||
12 | import imp |
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12 | import imp | |
13 | import os |
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13 | import os | |
14 | import sys |
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14 | import sys | |
15 |
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15 | |||
16 | from .. import pycompat |
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16 | from .. import pycompat | |
17 |
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17 | |||
18 |
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18 | |||
19 | def mainfrozen(): |
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19 | def mainfrozen(): | |
20 | """return True if we are a frozen executable. |
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20 | """return True if we are a frozen executable. | |
21 |
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21 | |||
22 | The code supports py2exe (most common, Windows only) and tools/freeze |
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22 | The code supports py2exe (most common, Windows only) and tools/freeze | |
23 | (portable, not much used). |
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23 | (portable, not much used). | |
24 | """ |
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24 | """ | |
25 | return ( |
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25 | return ( | |
26 | pycompat.safehasattr(sys, "frozen") |
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26 | pycompat.safehasattr(sys, "frozen") | |
27 | or pycompat.safehasattr(sys, "importers") # new py2exe |
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27 | or pycompat.safehasattr(sys, "importers") # new py2exe | |
28 | or imp.is_frozen("__main__") # old py2exe |
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28 | or imp.is_frozen("__main__") # old py2exe | |
29 | ) # tools/freeze |
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29 | ) # tools/freeze | |
30 |
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30 | |||
31 |
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31 | |||
32 | # the location of data files matching the source code |
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32 | # the location of data files matching the source code | |
33 | if mainfrozen() and getattr(sys, 'frozen', None) != 'macosx_app': |
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33 | if mainfrozen() and getattr(sys, 'frozen', None) != 'macosx_app': | |
34 | # executable version (py2exe) doesn't support __file__ |
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34 | # executable version (py2exe) doesn't support __file__ | |
35 | datapath = os.path.dirname(pycompat.sysexecutable) |
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35 | datapath = os.path.dirname(pycompat.sysexecutable) | |
36 | else: |
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36 | else: | |
37 | datapath = os.path.dirname(os.path.dirname(pycompat.fsencode(__file__))) |
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37 | datapath = os.path.dirname(os.path.dirname(pycompat.fsencode(__file__))) | |
38 |
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38 | |||
39 | try: |
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39 | try: | |
40 | import importlib |
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40 | from importlib import resources | |
41 |
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41 | |||
42 | # Force loading of the resources module |
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42 | # Force loading of the resources module | |
43 |
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43 | resources.open_binary # pytype: disable=module-attr | |
44 |
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44 | |||
45 | def open_resource(package, name): |
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45 | def open_resource(package, name): | |
46 | package = b'mercurial.' + package |
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46 | package = b'mercurial.' + package | |
47 |
return |
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47 | return resources.open_binary( # pytype: disable=module-attr | |
48 | pycompat.sysstr(package), pycompat.sysstr(name) |
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48 | pycompat.sysstr(package), pycompat.sysstr(name) | |
49 | ) |
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49 | ) | |
50 |
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50 | |||
51 |
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51 | |||
52 | except AttributeError: |
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52 | except (ImportError, AttributeError): | |
53 |
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53 | |||
54 | def _package_path(package): |
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54 | def _package_path(package): | |
55 | return os.path.join(datapath, *package.split(b'.')) |
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55 | return os.path.join(datapath, *package.split(b'.')) | |
56 |
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56 | |||
57 | def open_resource(package, name): |
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57 | def open_resource(package, name): | |
58 | path = os.path.join(_package_path(package), name) |
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58 | path = os.path.join(_package_path(package), name) | |
59 | return open(path, 'rb') |
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59 | return open(path, 'rb') |
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