Exemplo n.º 1
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    def _get_module(self):
        names = None
        is_package = False
        if self.path is not None:
            import_names, is_p = transform_path_to_dotted(
                self._evaluator.get_sys_path(add_parent_paths=False),
                self.path
            )
            if import_names is not None:
                names = import_names
                is_package = is_p

        if self.path is not None and self.path.endswith('.pyi'):
            # We are in a stub file. Try to load the stub properly.
            stub_module = load_proper_stub_module(
                self._evaluator,
                cast_path(self.path),
                names,
                self._module_node
            )
            if stub_module is not None:
                return stub_module

        if names is None:
            names = ('__main__',)

        module = ModuleContext(
            self._evaluator, self._module_node, cast_path(self.path),
            string_names=names,
            code_lines=self._code_lines,
            is_package=is_package,
        )
        #module, = try_to_merge_with_stub(
        #    self._evaluator, None, module.string_names, ContextSet([module])
        #)
        if names[0] not in ('builtins', '__builtin__', 'typing'):
            # These modules are essential for Jedi, so don't overwrite them.
            self._evaluator.module_cache.add(names, ContextSet([module]))
        return module
Exemplo n.º 2
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def _from_loader(loader, string):
    try:
        is_package_method = loader.is_package
    except AttributeError:
        is_package = False
    else:
        is_package = is_package_method(string)
    try:
        get_filename = loader.get_filename
    except AttributeError:
        return None, is_package
    else:
        module_path = cast_path(get_filename(string))

    # To avoid unicode and read bytes, "overwrite" loader.get_source if
    # possible.
    try:
        f = type(loader).get_source
    except AttributeError:
        raise ImportError("get_source was not defined on loader")

    if f is not importlib.machinery.SourceFileLoader.get_source:
        # Unfortunately we are reading unicode here, not bytes.
        # It seems hard to get bytes, because the zip importer
        # logic just unpacks the zip file and returns a file descriptor
        # that we cannot as easily access. Therefore we just read it as
        # a string in the cases where get_source was overwritten.
        code = loader.get_source(string)
    else:
        code = _get_source(loader, string)

    if code is None:
        return None, is_package
    if isinstance(loader, zipimporter):
        return ZipFileIO(module_path, code,
                         Path(cast_path(loader.archive))), is_package

    return KnownContentFileIO(module_path, code), is_package
Exemplo n.º 3
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    def generate():
        try:
            listed = os.listdir(directory_path_info.path)
        except (FileNotFoundError, NotADirectoryError):
            return

        for entry in listed:
            entry = cast_path(entry)
            path = os.path.join(directory_path_info.path, entry)
            if os.path.isdir(path):
                init = os.path.join(path, '__init__.pyi')
                if os.path.isfile(init):
                    yield entry, PathInfo(init, directory_path_info.is_third_party)
            elif entry.endswith('.pyi') and os.path.isfile(path):
                name = entry[:-4]
                if name != '__init__':
                    yield name, PathInfo(path, directory_path_info.is_third_party)
Exemplo n.º 4
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    def generate():
        try:
            listed = os.listdir(directory)
        except (FileNotFoundError, OSError):
            # OSError is Python 2
            return

        for entry in listed:
            entry = cast_path(entry)
            path = os.path.join(directory, entry)
            if os.path.isdir(path):
                init = os.path.join(path, '__init__.pyi')
                if os.path.isfile(init):
                    yield entry, init
            elif entry.endswith('.pyi') and os.path.isfile(path):
                name = entry[:-4]
                if name != '__init__':
                    yield name, path
Exemplo n.º 5
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    def _get_module(self):
        names = None
        is_package = False
        if self.path is not None:
            import_names, is_p = transform_path_to_dotted(
                self._inference_state.get_sys_path(add_parent_paths=False),
                self.path
            )
            if import_names is not None:
                names = import_names
                is_package = is_p

        if self.path is None:
            file_io = None
        else:
            file_io = KnownContentFileIO(cast_path(self.path), self._code)
        if self.path is not None and self.path.endswith('.pyi'):
            # We are in a stub file. Try to load the stub properly.
            stub_module = load_proper_stub_module(
                self._inference_state,
                file_io,
                names,
                self._module_node
            )
            if stub_module is not None:
                return stub_module

        if names is None:
            names = ('__main__',)

        module = ModuleValue(
            self._inference_state, self._module_node,
            file_io=file_io,
            string_names=names,
            code_lines=self._code_lines,
            is_package=is_package,
        )
        if names[0] not in ('builtins', '__builtin__', 'typing'):
            # These modules are essential for Jedi, so don't overwrite them.
            self._inference_state.module_cache.add(names, ValueSet([module]))
        return module
Exemplo n.º 6
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def get_module_info(evaluator, sys_path=None, full_name=None, **kwargs):
    if sys_path is not None:
        sys.path, temp = sys_path, sys.path
    try:
        module_file, module_path, is_pkg = find_module(full_name=full_name,
                                                       **kwargs)
    except ImportError:
        return None, None, None
    finally:
        if sys_path is not None:
            sys.path = temp

    code = None
    if is_pkg:
        # In this case, we don't have a file yet. Search for the
        # __init__ file.
        if module_path.endswith(('.zip', '.egg')):
            code = module_file.loader.get_source(full_name)
        else:
            module_path = _get_init_path(module_path)
    elif module_file:
        if module_path.endswith(('.zip', '.egg')):
            # Unfortunately we are reading unicode here already, not byes.
            # It seems however hard to get bytes, because the zip importer
            # logic just unpacks the zip file and returns a file descriptor
            # that we cannot as easily access. Therefore we just read it as
            # a string.
            code = module_file.read()
        else:
            # Read the code with a binary file, because the binary file
            # might not be proper unicode. This is handled by the parser
            # wrapper.
            with open(module_path, 'rb') as f:
                code = f.read()

        module_file.close()

    return code, cast_path(module_path), is_pkg
Exemplo n.º 7
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def get_module_info(evaluator, sys_path=None, full_name=None, **kwargs):
    if sys_path is not None:
        sys.path, temp = sys_path, sys.path
    try:
        module_file, module_path, is_pkg = find_module(full_name=full_name, **kwargs)
    except ImportError:
        return None, None, None
    finally:
        if sys_path is not None:
            sys.path = temp

    code = None
    if is_pkg:
        # In this case, we don't have a file yet. Search for the
        # __init__ file.
        if module_path.endswith(('.zip', '.egg')):
            code = module_file.loader.get_source(full_name)
        else:
            module_path = _get_init_path(module_path)
    elif module_file:
        if module_path.endswith(('.zip', '.egg')):
            # Unfortunately we are reading unicode here already, not byes.
            # It seems however hard to get bytes, because the zip importer
            # logic just unpacks the zip file and returns a file descriptor
            # that we cannot as easily access. Therefore we just read it as
            # a string.
            code = module_file.read()
        else:
            # Read the code with a binary file, because the binary file
            # might not be proper unicode. This is handled by the parser
            # wrapper.
            with open(module_path, 'rb') as f:
                code = f.read()

        module_file.close()

    return code, cast_path(module_path), is_pkg
Exemplo n.º 8
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def _try_to_load_stub(inference_state, import_names, python_value_set,
                      parent_module_value, sys_path):
    """
    Trying to load a stub for a set of import_names.

    This is modelled to work like "PEP 561 -- Distributing and Packaging Type
    Information", see https://www.python.org/dev/peps/pep-0561.
    """
    if parent_module_value is None and len(import_names) > 1:
        try:
            parent_module_value = try_to_load_stub_cached(
                inference_state,
                import_names[:-1],
                NO_VALUES,
                parent_module_value=None,
                sys_path=sys_path)
        except KeyError:
            pass

    # 1. Try to load foo-stubs folders on path for import name foo.
    if len(import_names) == 1:
        # foo-stubs
        for p in sys_path:
            p = cast_path(p)
            init = os.path.join(
                p, *import_names) + '-stubs' + os.path.sep + '__init__.pyi'
            m = _try_to_load_stub_from_file(
                inference_state,
                python_value_set,
                file_io=FileIO(init),
                import_names=import_names,
            )
            if m is not None:
                return m
        if import_names[0] == 'django' and python_value_set:
            return _try_to_load_stub_from_file(
                inference_state,
                python_value_set,
                file_io=FileIO(DJANGO_INIT_PATH),
                import_names=import_names,
            )

    # 2. Try to load pyi files next to py files.
    for c in python_value_set:
        try:
            method = c.py__file__
        except AttributeError:
            pass
        else:
            file_path = method()
            file_paths = []
            if c.is_namespace():
                file_paths = [
                    os.path.join(p, '__init__.pyi') for p in c.py__path__()
                ]
            elif file_path is not None and file_path.endswith('.py'):
                file_paths = [file_path + 'i']

            for file_path in file_paths:
                m = _try_to_load_stub_from_file(
                    inference_state,
                    python_value_set,
                    # The file path should end with .pyi
                    file_io=FileIO(file_path),
                    import_names=import_names,
                )
                if m is not None:
                    return m

    # 3. Try to load typeshed
    m = _load_from_typeshed(inference_state, python_value_set,
                            parent_module_value, import_names)
    if m is not None:
        return m

    # 4. Try to load pyi file somewhere if python_value_set was not defined.
    if not python_value_set:
        if parent_module_value is not None:
            check_path = parent_module_value.py__path__() or []
            # In case import_names
            names_for_path = (import_names[-1], )
        else:
            check_path = sys_path
            names_for_path = import_names

        for p in check_path:
            m = _try_to_load_stub_from_file(
                inference_state,
                python_value_set,
                file_io=FileIO(os.path.join(p, *names_for_path) + '.pyi'),
                import_names=import_names,
            )
            if m is not None:
                return m

    # If no stub is found, that's fine, the calling function has to deal with
    # it.
    return None
Exemplo n.º 9
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 def py__file__(self):
     return cast_path(self.access_handle.py__file__())
Exemplo n.º 10
0
Arquivo: value.py Projeto: wjz051/jedi
 def py__file__(self):
     path = cast_path(self.access_handle.py__file__())
     if path is None:
         return None
     return Path(path)
Exemplo n.º 11
0
# -*- coding: utf8 -*-

import os
import types

from jedi._compatibility import ImplicitNSInfo, cast_path
from jedi.evaluate.base_context import ContextSet, NO_CONTEXTS
from jedi.evaluate import imports

# create the path to the sibling virtual_root path
root = os.path.dirname(os.path.dirname(__file__))
virtual_mod_path = cast_path(os.path.join(root, 'virtual_root'))


def jedi_importer_test1a(importer, import_parts, import_path, sys_path):
    module_name = '.'.join(import_parts)
    if module_name == 'mylib':
        implicit_ns_info = ImplicitNSInfo('mylib', [virtual_mod_path])
        module = imports._load_module(
            importer._evaluator,
            implicit_ns_info,
            None,
            sys_path,
            # module_name = module_name,
            import_names=import_parts,
            safe_module_name=True,
        )

        if not module is None:
            return ContextSet(module)