Mercurial > hg
annotate tests/test-demandimport.py @ 36969:452696bf3e60
test-template-engine: deduplicate methods of custom template engine
author | Yuya Nishihara <yuya@tcha.org> |
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date | Thu, 15 Mar 2018 20:10:54 +0900 |
parents | c2c5f9f6fa21 |
children | 1d0610fdd63b |
rev | line source |
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1 from __future__ import absolute_import, print_function |
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2 |
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3 from mercurial import demandimport |
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4 demandimport.enable() |
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5 |
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6 import os |
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7 import subprocess |
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8 import sys |
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9 |
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10 # Only run if demandimport is allowed |
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11 if subprocess.call(['python', '%s/hghave' % os.environ['TESTDIR'], |
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12 'demandimport']): |
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13 sys.exit(80) |
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14 |
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15 if os.name != 'nt': |
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16 try: |
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17 import distutils.msvc9compiler |
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18 print('distutils.msvc9compiler needs to be an immediate ' |
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19 'importerror on non-windows platforms') |
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20 distutils.msvc9compiler |
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21 except ImportError: |
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22 pass |
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23 |
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24 import re |
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25 |
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26 rsub = re.sub |
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27 def f(obj): |
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28 l = repr(obj) |
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29 l = rsub("0x[0-9a-fA-F]+", "0x?", l) |
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30 l = rsub("from '.*'", "from '?'", l) |
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31 l = rsub("'<[a-z]*>'", "'<whatever>'", l) |
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32 return l |
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33 |
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34 demandimport.disable() |
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35 os.environ['HGDEMANDIMPORT'] = 'disable' |
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36 # this enable call should not actually enable demandimport! |
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37 demandimport.enable() |
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38 from mercurial import node |
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39 print("node =", f(node)) |
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40 # now enable it for real |
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41 del os.environ['HGDEMANDIMPORT'] |
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42 demandimport.enable() |
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43 |
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44 # Test access to special attributes through demandmod proxy |
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45 from mercurial import error as errorproxy |
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46 print("errorproxy =", f(errorproxy)) |
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47 print("errorproxy.__doc__ = %r" |
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48 % (' '.join(errorproxy.__doc__.split()[:3]) + ' ...')) |
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49 print("errorproxy.__name__ = %r" % errorproxy.__name__) |
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50 # __name__ must be accessible via __dict__ so the relative imports can be |
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51 # resolved |
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52 print("errorproxy.__dict__['__name__'] = %r" % errorproxy.__dict__['__name__']) |
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53 print("errorproxy =", f(errorproxy)) |
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54 |
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55 import os |
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56 |
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57 print("os =", f(os)) |
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58 print("os.system =", f(os.system)) |
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59 print("os =", f(os)) |
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60 |
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61 from mercurial import util |
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62 |
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63 print("util =", f(util)) |
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64 print("util.system =", f(util.system)) |
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65 print("util =", f(util)) |
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66 print("util.system =", f(util.system)) |
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67 |
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68 from mercurial import hgweb |
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69 print("hgweb =", f(hgweb)) |
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70 print("hgweb_mod =", f(hgweb.hgweb_mod)) |
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71 print("hgweb =", f(hgweb)) |
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72 |
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73 import re as fred |
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74 print("fred =", f(fred)) |
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75 |
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76 import re as remod |
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77 print("remod =", f(remod)) |
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78 |
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79 import sys as re |
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80 print("re =", f(re)) |
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81 |
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82 print("fred =", f(fred)) |
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83 print("fred.sub =", f(fred.sub)) |
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84 print("fred =", f(fred)) |
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85 |
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86 remod.escape # use remod |
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87 print("remod =", f(remod)) |
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88 |
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89 print("re =", f(re)) |
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90 print("re.stderr =", f(re.stderr)) |
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91 print("re =", f(re)) |
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92 |
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93 import contextlib |
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94 print("contextlib =", f(contextlib)) |
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95 try: |
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96 from contextlib import unknownattr |
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97 print('no demandmod should be created for attribute of non-package ' |
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98 'module:\ncontextlib.unknownattr =', f(unknownattr)) |
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99 except ImportError as inst: |
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100 print('contextlib.unknownattr = ImportError: %s' |
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101 % rsub(r"'", '', str(inst))) |
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102 |
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103 # Unlike the import statement, __import__() function should not raise |
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104 # ImportError even if fromlist has an unknown item |
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105 # (see Python/import.c:import_module_level() and ensure_fromlist()) |
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106 contextlibimp = __import__('contextlib', globals(), locals(), ['unknownattr']) |
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107 print("__import__('contextlib', ..., ['unknownattr']) =", f(contextlibimp)) |
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108 print("hasattr(contextlibimp, 'unknownattr') =", |
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109 util.safehasattr(contextlibimp, 'unknownattr')) |