Python PEXBuilder.add_interpreter_constraint方法代码示例

# 需要导入模块: from pex.pex_builder import PEXBuilder [as 别名]
# 或者: from pex.pex_builder.PEXBuilder import add_interpreter_constraint [as 别名]
  def merge_pexes(cls, path, pex_info, interpreter, pexes, interpeter_constraints=None):
    """Generates a merged pex at path."""
    pex_paths = [pex.path() for pex in pexes if pex]
    if pex_paths:
      pex_info = pex_info.copy()
      pex_info.merge_pex_path(':'.join(pex_paths))

    with safe_concurrent_creation(path) as safe_path:
      builder = PEXBuilder(safe_path, interpreter, pex_info=pex_info)
      if interpeter_constraints:
        for constraint in interpeter_constraints:
          builder.add_interpreter_constraint(constraint)
      builder.freeze()

# 需要导入模块: from pex.pex_builder import PEXBuilder [as 别名]
# 或者: from pex.pex_builder.PEXBuilder import add_interpreter_constraint [as 别名]
  def _create_binary(self, binary_tgt, results_dir):
    """Create a .pex file for the specified binary target."""
    # Note that we rebuild a chroot from scratch, instead of using the REQUIREMENTS_PEX
    # and PYTHON_SOURCES products, because those products are already-built pexes, and there's
    # no easy way to merge them into a single pex file (for example, they each have a __main__.py,
    # metadata, and so on, which the merging code would have to handle specially).
    interpreter = self.context.products.get_data(PythonInterpreter)
    with temporary_dir() as tmpdir:
      # Create the pex_info for the binary.
      run_info_dict = self.context.run_tracker.run_info.get_as_dict()
      build_properties = PexInfo.make_build_properties()
      build_properties.update(run_info_dict)
      pex_info = binary_tgt.pexinfo.copy()
      pex_info.build_properties = build_properties

      builder = PEXBuilder(path=tmpdir, interpreter=interpreter, pex_info=pex_info, copy=True)

      if binary_tgt.shebang:
        self.context.log.info('Found Python binary target {} with customized shebang, using it: {}'
                                .format(binary_tgt.name, binary_tgt.shebang))
        builder.set_shebang(binary_tgt.shebang)
      else:
        self.context.log.debug('No customized shebang found for {}'.format(binary_tgt.name))

      # Find which targets provide sources and which specify requirements.
      source_tgts = []
      req_tgts = []
      for tgt in binary_tgt.closure(exclude_scopes=Scopes.COMPILE):
        if has_python_sources(tgt) or has_resources(tgt):
          source_tgts.append(tgt)
        elif has_python_requirements(tgt):
          req_tgts.append(tgt)
        # Add target's interpreter compatibility constraints to pex info.
        if is_python_target(tgt):
          for constraint in tgt.compatibility:
            builder.add_interpreter_constraint(constraint)

      # Dump everything into the builder's chroot.
      for tgt in source_tgts:
        dump_sources(builder, tgt, self.context.log)
      # We need to ensure that we are resolving for only the current platform if we are
      # including local python dist targets that have native extensions.
      self._python_native_code_settings.check_build_for_current_platform_only(self.context.targets())
      dump_requirement_libs(builder, interpreter, req_tgts, self.context.log,
                            platforms=binary_tgt.platforms)

      # Build the .pex file.
      pex_path = os.path.join(results_dir, '{}.pex'.format(binary_tgt.name))
      builder.build(pex_path)
      return pex_path

# 需要导入模块: from pex.pex_builder import PEXBuilder [as 别名]
# 或者: from pex.pex_builder.PEXBuilder import add_interpreter_constraint [as 别名]
  def merged_pex(cls, path, pex_info, interpreter, pexes, interpeter_constraints=None):
    """Yields a pex builder at path with the given pexes already merged.

    :rtype: :class:`pex.pex_builder.PEXBuilder`
    """
    pex_paths = [pex.path() for pex in pexes if pex]
    if pex_paths:
      pex_info = pex_info.copy()
      pex_info.merge_pex_path(':'.join(pex_paths))

    with safe_concurrent_creation(path) as safe_path:
      builder = PEXBuilder(safe_path, interpreter, pex_info=pex_info)
      if interpeter_constraints:
        for constraint in interpeter_constraints:
          builder.add_interpreter_constraint(constraint)
      yield builder

# 需要导入模块: from pex.pex_builder import PEXBuilder [as 别名]
# 或者: from pex.pex_builder.PEXBuilder import add_interpreter_constraint [as 别名]
def build_pex(args, options, resolver_option_builder):
  with TRACER.timed('Resolving interpreters', V=2):
    def to_python_interpreter(full_path_or_basename):
      if os.path.exists(full_path_or_basename):
        return PythonInterpreter.from_binary(full_path_or_basename)
      else:
        interpreter = PythonInterpreter.from_env(full_path_or_basename)
        if interpreter is None:
          die('Failed to find interpreter: %s' % full_path_or_basename)
        return interpreter

    interpreters = [to_python_interpreter(interp) for interp in options.python or [sys.executable]]

  if options.interpreter_constraint:
    # NB: options.python and interpreter constraints cannot be used together, so this will not
    # affect usages of the interpreter(s) specified by the "--python" command line flag.
    constraints = options.interpreter_constraint
    validate_constraints(constraints)
    if options.rc_file or not ENV.PEX_IGNORE_RCFILES:
      rc_variables = Variables.from_rc(rc=options.rc_file)
      pex_python_path = rc_variables.get('PEX_PYTHON_PATH', '')
    else:
      pex_python_path = ""
    interpreters = find_compatible_interpreters(pex_python_path, constraints)

  if not interpreters:
    die('Could not find compatible interpreter', CANNOT_SETUP_INTERPRETER)

  try:
    with open(options.preamble_file) as preamble_fd:
      preamble = preamble_fd.read()
  except TypeError:
    # options.preamble_file is None
    preamble = None

  interpreter = min(interpreters)

  pex_builder = PEXBuilder(path=safe_mkdtemp(), interpreter=interpreter, preamble=preamble)

  def walk_and_do(fn, src_dir):
    src_dir = os.path.normpath(src_dir)
    for root, dirs, files in os.walk(src_dir):
      for f in files:
        src_file_path = os.path.join(root, f)
        dst_path = os.path.relpath(src_file_path, src_dir)
        fn(src_file_path, dst_path)

  for directory in options.sources_directory:
    walk_and_do(pex_builder.add_source, directory)

  for directory in options.resources_directory:
    walk_and_do(pex_builder.add_resource, directory)

  pex_info = pex_builder.info
  pex_info.zip_safe = options.zip_safe
  pex_info.pex_path = options.pex_path
  pex_info.always_write_cache = options.always_write_cache
  pex_info.ignore_errors = options.ignore_errors
  pex_info.emit_warnings = options.emit_warnings
  pex_info.inherit_path = options.inherit_path
  if options.interpreter_constraint:
    for ic in options.interpreter_constraint:
      pex_builder.add_interpreter_constraint(ic)

  resolvables = resolvables_from_iterable(args, resolver_option_builder, interpreter=interpreter)

  for requirements_txt in options.requirement_files:
    resolvables.extend(requirements_from_file(requirements_txt,
                                              builder=resolver_option_builder,
                                              interpreter=interpreter))

  # pip states the constraints format is identical tor requirements
  # https://pip.pypa.io/en/stable/user_guide/#constraints-files
  for constraints_txt in options.constraint_files:
    constraints = []
    for r in requirements_from_file(constraints_txt,
                                    builder=resolver_option_builder,
                                    interpreter=interpreter):
      r.is_constraint = True
      constraints.append(r)
    resolvables.extend(constraints)

  with TRACER.timed('Resolving distributions'):
    try:
      resolveds = resolve_multi(resolvables,
                                interpreters=interpreters,
                                platforms=options.platforms,
                                cache=options.cache_dir,
                                cache_ttl=options.cache_ttl,
                                allow_prereleases=resolver_option_builder.prereleases_allowed,
                                use_manylinux=options.use_manylinux)

      for resolved_dist in resolveds:
        log('  %s -> %s' % (resolved_dist.requirement, resolved_dist.distribution),
            V=options.verbosity)
        pex_builder.add_distribution(resolved_dist.distribution)
        pex_builder.add_requirement(resolved_dist.requirement)
    except Unsatisfiable as e:
      die(e)

#.........这里部分代码省略.........

# 需要导入模块: from pex.pex_builder import PEXBuilder [as 别名]
# 或者: from pex.pex_builder.PEXBuilder import add_interpreter_constraint [as 别名]
def build_pex(args, options, resolver_option_builder):
  with TRACER.timed('Resolving interpreters', V=2):
    interpreters = [
      get_interpreter(interpreter,
                      options.interpreter_cache_dir,
                      options.repos,
                      options.use_wheel)
      for interpreter in options.python or [None]
    ]

  if options.interpreter_constraint:
    # NB: options.python and interpreter constraints cannot be used together, so this will not
    # affect usages of the interpreter(s) specified by the "--python" command line flag.
    constraints = options.interpreter_constraint
    validate_constraints(constraints)
    rc_variables = Variables.from_rc(rc=options.rc_file)
    pex_python_path = rc_variables.get('PEX_PYTHON_PATH', '')
    interpreters = find_compatible_interpreters(pex_python_path, constraints)

  if not interpreters:
    die('Could not find compatible interpreter', CANNOT_SETUP_INTERPRETER)

  try:
    with open(options.preamble_file) as preamble_fd:
      preamble = preamble_fd.read()
  except TypeError:
    # options.preamble_file is None
    preamble = None

  interpreter = min(interpreters)

  pex_builder = PEXBuilder(path=safe_mkdtemp(), interpreter=interpreter, preamble=preamble)

  pex_info = pex_builder.info
  pex_info.zip_safe = options.zip_safe
  pex_info.pex_path = options.pex_path
  pex_info.always_write_cache = options.always_write_cache
  pex_info.ignore_errors = options.ignore_errors
  pex_info.inherit_path = options.inherit_path
  if options.interpreter_constraint:
    for ic in options.interpreter_constraint:
      pex_builder.add_interpreter_constraint(ic)

  resolvables = [Resolvable.get(arg, resolver_option_builder) for arg in args]

  for requirements_txt in options.requirement_files:
    resolvables.extend(requirements_from_file(requirements_txt, resolver_option_builder))

  # pip states the constraints format is identical tor requirements
  # https://pip.pypa.io/en/stable/user_guide/#constraints-files
  for constraints_txt in options.constraint_files:
    constraints = []
    for r in requirements_from_file(constraints_txt, resolver_option_builder):
      r.is_constraint = True
      constraints.append(r)
    resolvables.extend(constraints)

  with TRACER.timed('Resolving distributions'):
    try:
      resolveds = resolve_multi(resolvables,
                                interpreters=interpreters,
                                platforms=options.platform,
                                cache=options.cache_dir,
                                cache_ttl=options.cache_ttl,
                                allow_prereleases=resolver_option_builder.prereleases_allowed)

      for dist in resolveds:
        log('  %s' % dist, v=options.verbosity)
        pex_builder.add_distribution(dist)
        pex_builder.add_requirement(dist.as_requirement())
    except Unsatisfiable as e:
      die(e)

  if options.entry_point and options.script:
    die('Must specify at most one entry point or script.', INVALID_OPTIONS)

  if options.entry_point:
    pex_builder.set_entry_point(options.entry_point)
  elif options.script:
    pex_builder.set_script(options.script)

  if options.python_shebang:
    pex_builder.set_shebang(options.python_shebang)

  return pex_builder