upstream/mercurial-mirror Files · mercurial/pure/charencode.py

contrib: add a set of scripts to run pytype in Docker...

contrib: add a set of scripts to run pytype in Docker Having a simple way to run pytype for developers can massively shorten development cycle. Using the same Docker image and scripts that we use on our CI guarantees that the result achieved locally will be very similar to (if not the same as) the output of our CI runners. Things to note: the Dockerfile needs to do a little dance around user permissions inside /home/ci-runner/ because: - on one hand, creating new files on the host (e.g. .pyi files inside .pytype/) should use host user's uid and gid - on the other hand, when we run the image as uid:gid of host user, it needs to be able to read/execute files inside the image that are owned by ci-runner Since local user's uid might be different from ci-runner's uid, we execute this very broad chmod command inside /home/ci-runner/, but then run the image as the host user's uid:gid. There might be a better way to do this.

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      # charencode.py - miscellaneous character encoding

      #

      #  Copyright 2005-2009 Olivia Mackall <olivia@selenic.com> and others

      #

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

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

      import array

      from .. import pycompat

      def isasciistr(s):

          try:

              s.decode('ascii')

              return True

          except UnicodeDecodeError:

              return False

      def asciilower(s):

          """convert a string to lowercase if ASCII

          Raises UnicodeDecodeError if non-ASCII characters are found."""

          s.decode('ascii')

          return s.lower()

      def asciiupper(s):

          """convert a string to uppercase if ASCII

          Raises UnicodeDecodeError if non-ASCII characters are found."""

          s.decode('ascii')

          return s.upper()

      _jsonmap = []

      _jsonmap.extend(b"\\u%04x" % x for x in range(32))

      _jsonmap.extend(pycompat.bytechr(x) for x in range(32, 127))

      _jsonmap.append(b'\\u007f')

      _jsonmap[0x09] = b'\\t'

      _jsonmap[0x0A] = b'\\n'

      _jsonmap[0x22] = b'\\"'

      _jsonmap[0x5C] = b'\\\\'

      _jsonmap[0x08] = b'\\b'

      _jsonmap[0x0C] = b'\\f'

      _jsonmap[0x0D] = b'\\r'

      _paranoidjsonmap = _jsonmap[:]

      _paranoidjsonmap[0x3C] = b'\\u003c'  # '<' (e.g. escape "</script>")

      _paranoidjsonmap[0x3E] = b'\\u003e'  # '>'

      _jsonmap.extend(pycompat.bytechr(x) for x in range(128, 256))

      def jsonescapeu8fast(u8chars, paranoid):

          """Convert a UTF-8 byte string to JSON-escaped form (fast path)

          Raises ValueError if non-ASCII characters have to be escaped.

          """

          if paranoid:

              jm = _paranoidjsonmap

          else:

              jm = _jsonmap

          try:

              return b''.join(jm[x] for x in bytearray(u8chars))

          except IndexError:

              raise ValueError

      _utf8strict = r'surrogatepass'

      def jsonescapeu8fallback(u8chars, paranoid):

          """Convert a UTF-8 byte string to JSON-escaped form (slow path)

          Escapes all non-ASCII characters no matter if paranoid is False.

          """

          if paranoid:

              jm = _paranoidjsonmap

          else:

              jm = _jsonmap

          # non-BMP char is represented as UTF-16 surrogate pair

          u16b = u8chars.decode('utf-8', _utf8strict).encode('utf-16', _utf8strict)

          u16codes = array.array('H', u16b)

          u16codes.pop(0)  # drop BOM

          return b''.join(jm[x] if x < 128 else b'\\u%04x' % x for x in u16codes)

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				# charencode.py - miscellaneous character encoding
				#
				# Copyright 2005-2009 Olivia Mackall <olivia@selenic.com> and others
				#
				# This software may be used and distributed according to the terms of the
				# GNU General Public License version 2 or any later version.


				import array

				from .. import pycompat


				def isasciistr(s):
				try:
				s.decode('ascii')
				return True
				except UnicodeDecodeError:
				return False


				def asciilower(s):
				"""convert a string to lowercase if ASCII

				Raises UnicodeDecodeError if non-ASCII characters are found."""
				s.decode('ascii')
				return s.lower()


				def asciiupper(s):
				"""convert a string to uppercase if ASCII

				Raises UnicodeDecodeError if non-ASCII characters are found."""
				s.decode('ascii')
				return s.upper()


				_jsonmap = []
				_jsonmap.extend(b"\\u%04x" % x for x in range(32))
				_jsonmap.extend(pycompat.bytechr(x) for x in range(32, 127))
				_jsonmap.append(b'\\u007f')
				_jsonmap[0x09] = b'\\t'
				_jsonmap[0x0A] = b'\\n'
				_jsonmap[0x22] = b'\\"'
				_jsonmap[0x5C] = b'\\\\'
				_jsonmap[0x08] = b'\\b'
				_jsonmap[0x0C] = b'\\f'
				_jsonmap[0x0D] = b'\\r'
				_paranoidjsonmap = _jsonmap[:]
				_paranoidjsonmap[0x3C] = b'\\u003c' # '<' (e.g. escape "</script>")
				_paranoidjsonmap[0x3E] = b'\\u003e' # '>'
				_jsonmap.extend(pycompat.bytechr(x) for x in range(128, 256))


				def jsonescapeu8fast(u8chars, paranoid):
				"""Convert a UTF-8 byte string to JSON-escaped form (fast path)

				Raises ValueError if non-ASCII characters have to be escaped.
				"""
				if paranoid:
				jm = _paranoidjsonmap
				else:
				jm = _jsonmap
				try:
				return b''.join(jm[x] for x in bytearray(u8chars))
				except IndexError:
				raise ValueError


				_utf8strict = r'surrogatepass'


				def jsonescapeu8fallback(u8chars, paranoid):
				"""Convert a UTF-8 byte string to JSON-escaped form (slow path)

				Escapes all non-ASCII characters no matter if paranoid is False.
				"""
				if paranoid:
				jm = _paranoidjsonmap
				else:
				jm = _jsonmap
				# non-BMP char is represented as UTF-16 surrogate pair
				u16b = u8chars.decode('utf-8', _utf8strict).encode('utf-16', _utf8strict)
				u16codes = array.array('H', u16b)
				u16codes.pop(0) # drop BOM
				return b''.join(jm[x] if x < 128 else b'\\u%04x' % x for x in u16codes)