upstream/mercurial-mirror Files · mercurial/i18n.py

ui: add ui.write() output labeling API...

ui: add ui.write() output labeling API This adds output labeling support with the following methods: - ui.write(..., label='topic.name topic2.name2 ...') - ui.write_err(.., label=...) - ui.popbuffer(labeled=False) - ui.label(msg, label) By adding an API to label output directly, the color extension can forgo parsing command output and instead override the above methods to insert ANSI color codes. GUI tools can also override the above methods and use the labels to do GUI-specific styling. popbuffer gains a labeled argument that, when set to True, returns its buffered output with labels handled. In the case of the color extension, this would return output with color codes embedded. For existing users that use this method to capture and parse output, labels are discarded and output returned as normal when labeled is False (the default). Existing wrappers of ui.write() and ui.write_err() should make sure to accept its new **opts argument.

Brodie Rao - - Load All Authors

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      # i18n.py - internationalization support for mercurial

      #

      # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>

      #

      # This software may be used and distributed according to the terms of the

      # GNU General Public License version 2 or any later version.

      import encoding

      import gettext, sys, os

      # modelled after templater.templatepath:

      if hasattr(sys, 'frozen'):

          module = sys.executable

      else:

          module = __file__

      base = os.path.dirname(module)

      for dir in ('.', '..'):

          localedir = os.path.join(base, dir, 'locale')

          if os.path.isdir(localedir):

              break

      t = gettext.translation('hg', localedir, fallback=True)

      def gettext(message):

          """Translate message.

          The message is looked up in the catalog to get a Unicode string,

          which is encoded in the local encoding before being returned.

          Important: message is restricted to characters in the encoding

          given by sys.getdefaultencoding() which is most likely 'ascii'.

          """

          # If message is None, t.ugettext will return u'None' as the

          # translation whereas our callers expect us to return None.

          if message is None:

              return message

          u = t.ugettext(message)

          try:

              # encoding.tolocal cannot be used since it will first try to

              # decode the Unicode string. Calling u.decode(enc) really

              # means u.encode(sys.getdefaultencoding()).decode(enc). Since

              # the Python encoding defaults to 'ascii', this fails if the

              # translated string use non-ASCII characters.

              return u.encode(encoding.encoding, "replace")

          except LookupError:

              # An unknown encoding results in a LookupError.

              return message

      if 'HGPLAIN' in os.environ:

          _ = lambda message: message

      else:

          _ = gettext

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				# i18n.py - internationalization support for mercurial
				#
				# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
				#
				# This software may be used and distributed according to the terms of the
				# GNU General Public License version 2 or any later version.

				import encoding
				import gettext, sys, os

				# modelled after templater.templatepath:
				if hasattr(sys, 'frozen'):
				module = sys.executable
				else:
				module = __file__

				base = os.path.dirname(module)
				for dir in ('.', '..'):
				localedir = os.path.join(base, dir, 'locale')
				if os.path.isdir(localedir):
				break

				t = gettext.translation('hg', localedir, fallback=True)

				def gettext(message):
				"""Translate message.

				The message is looked up in the catalog to get a Unicode string,
				which is encoded in the local encoding before being returned.

				Important: message is restricted to characters in the encoding
				given by sys.getdefaultencoding() which is most likely 'ascii'.
				"""
				# If message is None, t.ugettext will return u'None' as the
				# translation whereas our callers expect us to return None.
				if message is None:
				return message

				u = t.ugettext(message)
				try:
				# encoding.tolocal cannot be used since it will first try to
				# decode the Unicode string. Calling u.decode(enc) really
				# means u.encode(sys.getdefaultencoding()).decode(enc). Since
				# the Python encoding defaults to 'ascii', this fails if the
				# translated string use non-ASCII characters.
				return u.encode(encoding.encoding, "replace")
				except LookupError:
				# An unknown encoding results in a LookupError.
				return message

				if 'HGPLAIN' in os.environ:
				_ = lambda message: message
				else:
				_ = gettext