upstream/mercurial-mirror Files · tests/test-config-env.py

windows: add win32com.shell to demandimport ignore list...

windows: add win32com.shell to demandimport ignore list Module 'appdirs' tries to import win32com.shell (and catch ImportError as an indication of failure) to check whether some further functionality should be implemented one or another way [1]. Of course, demandimport lets it down, so if we want appdirs to work we have to add it to demandimport's ignore list. The reason we want appdirs to work is becuase it is used by setuptools [2] to determine egg cache location. Only fairly recent versions of setuptools depend on this so people don't see this often. [1] https://github.com/ActiveState/appdirs/blob/master/appdirs.py#L560 [2] https://github.com/pypa/setuptools/blob/aae0a928119d2a178882c32bded02270e30d0273/pkg_resources/__init__.py#L1369

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      # Test the config layer generated by environment variables

      from __future__ import absolute_import, print_function

      import os

      from mercurial import (

          encoding,

          rcutil,

          ui as uimod,

          util,

      )

      testtmp = encoding.environ['TESTTMP']

      # prepare hgrc files

      def join(name):

          return os.path.join(testtmp, name)

      with open(join('sysrc'), 'w') as f:

          f.write('[ui]\neditor=e0\n[pager]\npager=p0\n')

      with open(join('userrc'), 'w') as f:

          f.write('[ui]\neditor=e1')

      # replace rcpath functions so they point to the files above

      def systemrcpath():

          return [join('sysrc')]

      def userrcpath():

          return [join('userrc')]

      rcutil.systemrcpath = systemrcpath

      rcutil.userrcpath = userrcpath

      os.path.isdir = lambda x: False # hack: do not load default.d/*.rc

      # utility to print configs

      def printconfigs(env):

          encoding.environ = env

          rcutil._rccomponents = None # reset cache

          ui = uimod.ui.load()

          for section, name, value in ui.walkconfig():

              source = ui.configsource(section, name)

              print('%s.%s=%s # %s' % (section, name, value, util.pconvert(source)))

          print('')

      # environment variable overrides

      printconfigs({})

      printconfigs({'EDITOR': 'e2', 'PAGER': 'p2'})

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				# Test the config layer generated by environment variables

				from __future__ import absolute_import, print_function

				import os

				from mercurial import (
				encoding,
				rcutil,
				ui as uimod,
				util,
				)

				testtmp = encoding.environ['TESTTMP']

				# prepare hgrc files
				def join(name):
				return os.path.join(testtmp, name)

				with open(join('sysrc'), 'w') as f:
				f.write('[ui]\neditor=e0\n[pager]\npager=p0\n')

				with open(join('userrc'), 'w') as f:
				f.write('[ui]\neditor=e1')

				# replace rcpath functions so they point to the files above
				def systemrcpath():
				return [join('sysrc')]

				def userrcpath():
				return [join('userrc')]

				rcutil.systemrcpath = systemrcpath
				rcutil.userrcpath = userrcpath
				os.path.isdir = lambda x: False # hack: do not load default.d/*.rc

				# utility to print configs
				def printconfigs(env):
				encoding.environ = env
				rcutil._rccomponents = None # reset cache
				ui = uimod.ui.load()
				for section, name, value in ui.walkconfig():
				source = ui.configsource(section, name)
				print('%s.%s=%s # %s' % (section, name, value, util.pconvert(source)))
				print('')

				# environment variable overrides
				printconfigs({})
				printconfigs({'EDITOR': 'e2', 'PAGER': 'p2'})