annotate tests/test-demandimport.py @ 37274:45987e2b64f0

templatekw: do not directly call .gen
author Yuya Nishihara <yuya@tcha.org>
date Sun, 18 Mar 2018 00:11:36 +0900
parents c2c5f9f6fa21
children 1d0610fdd63b
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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'))