| """ |
| Projects are a way to handle Python projects within Jedi. For simpler plugins |
| you might not want to deal with projects, but if you want to give the user more |
| flexibility to define sys paths and Python interpreters for a project, |
| :class:`.Project` is the perfect way to allow for that. |
| |
| Projects can be saved to disk and loaded again, to allow project definitions to |
| be used across repositories. |
| """ |
| import json |
| from pathlib import Path |
| from itertools import chain |
|
|
| from jedi import debug |
| from jedi.api.environment import get_cached_default_environment, create_environment |
| from jedi.api.exceptions import WrongVersion |
| from jedi.api.completion import search_in_module |
| from jedi.api.helpers import split_search_string, get_module_names |
| from jedi.inference.imports import load_module_from_path, \ |
| load_namespace_from_path, iter_module_names |
| from jedi.inference.sys_path import discover_buildout_paths |
| from jedi.inference.cache import inference_state_as_method_param_cache |
| from jedi.inference.references import recurse_find_python_folders_and_files, search_in_file_ios |
| from jedi.file_io import FolderIO |
|
|
| _CONFIG_FOLDER = '.jedi' |
| _CONTAINS_POTENTIAL_PROJECT = \ |
| 'setup.py', '.git', '.hg', 'requirements.txt', 'MANIFEST.in', 'pyproject.toml' |
|
|
| _SERIALIZER_VERSION = 1 |
|
|
|
|
| def _try_to_skip_duplicates(func): |
| def wrapper(*args, **kwargs): |
| found_tree_nodes = [] |
| found_modules = [] |
| for definition in func(*args, **kwargs): |
| tree_node = definition._name.tree_name |
| if tree_node is not None and tree_node in found_tree_nodes: |
| continue |
| if definition.type == 'module' and definition.module_path is not None: |
| if definition.module_path in found_modules: |
| continue |
| found_modules.append(definition.module_path) |
| yield definition |
| found_tree_nodes.append(tree_node) |
| return wrapper |
|
|
|
|
| def _remove_duplicates_from_path(path): |
| used = set() |
| for p in path: |
| if p in used: |
| continue |
| used.add(p) |
| yield p |
|
|
|
|
| class Project: |
| """ |
| Projects are a simple way to manage Python folders and define how Jedi does |
| import resolution. It is mostly used as a parameter to :class:`.Script`. |
| Additionally there are functions to search a whole project. |
| """ |
| _environment = None |
|
|
| @staticmethod |
| def _get_config_folder_path(base_path): |
| return base_path.joinpath(_CONFIG_FOLDER) |
|
|
| @staticmethod |
| def _get_json_path(base_path): |
| return Project._get_config_folder_path(base_path).joinpath('project.json') |
|
|
| @classmethod |
| def load(cls, path): |
| """ |
| Loads a project from a specific path. You should not provide the path |
| to ``.jedi/project.json``, but rather the path to the project folder. |
| |
| :param path: The path of the directory you want to use as a project. |
| """ |
| if isinstance(path, str): |
| path = Path(path) |
| with open(cls._get_json_path(path)) as f: |
| version, data = json.load(f) |
|
|
| if version == 1: |
| return cls(**data) |
| else: |
| raise WrongVersion( |
| "The Jedi version of this project seems newer than what we can handle." |
| ) |
|
|
| def save(self): |
| """ |
| Saves the project configuration in the project in ``.jedi/project.json``. |
| """ |
| data = dict(self.__dict__) |
| data.pop('_environment', None) |
| data.pop('_django', None) |
| data = {k.lstrip('_'): v for k, v in data.items()} |
| data['path'] = str(data['path']) |
|
|
| self._get_config_folder_path(self._path).mkdir(parents=True, exist_ok=True) |
| with open(self._get_json_path(self._path), 'w') as f: |
| return json.dump((_SERIALIZER_VERSION, data), f) |
|
|
| def __init__( |
| self, |
| path, |
| *, |
| environment_path=None, |
| load_unsafe_extensions=False, |
| sys_path=None, |
| added_sys_path=(), |
| smart_sys_path=True, |
| ) -> None: |
| """ |
| :param path: The base path for this project. |
| :param environment_path: The Python executable path, typically the path |
| of a virtual environment. |
| :param load_unsafe_extensions: Default False, Loads extensions that are not in the |
| sys path and in the local directories. With this option enabled, |
| this is potentially unsafe if you clone a git repository and |
| analyze it's code, because those compiled extensions will be |
| important and therefore have execution privileges. |
| :param sys_path: list of str. You can override the sys path if you |
| want. By default the ``sys.path.`` is generated by the |
| environment (virtualenvs, etc). |
| :param added_sys_path: list of str. Adds these paths at the end of the |
| sys path. |
| :param smart_sys_path: If this is enabled (default), adds paths from |
| local directories. Otherwise you will have to rely on your packages |
| being properly configured on the ``sys.path``. |
| """ |
|
|
| if isinstance(path, str): |
| path = Path(path).absolute() |
| self._path = path |
|
|
| self._environment_path = environment_path |
| if sys_path is not None: |
| |
| sys_path = list(map(str, sys_path)) |
| self._sys_path = sys_path |
| self._smart_sys_path = smart_sys_path |
| self._load_unsafe_extensions = load_unsafe_extensions |
| self._django = False |
| |
| self.added_sys_path = list(map(str, added_sys_path)) |
| """The sys path that is going to be added at the end of the """ |
|
|
| @property |
| def path(self): |
| """ |
| The base path for this project. |
| """ |
| return self._path |
|
|
| @property |
| def sys_path(self): |
| """ |
| The sys path provided to this project. This can be None and in that |
| case will be auto generated. |
| """ |
| return self._sys_path |
|
|
| @property |
| def smart_sys_path(self): |
| """ |
| If the sys path is going to be calculated in a smart way, where |
| additional paths are added. |
| """ |
| return self._smart_sys_path |
|
|
| @property |
| def load_unsafe_extensions(self): |
| """ |
| Wheter the project loads unsafe extensions. |
| """ |
| return self._load_unsafe_extensions |
|
|
| @inference_state_as_method_param_cache() |
| def _get_base_sys_path(self, inference_state): |
| |
| sys_path = list(inference_state.environment.get_sys_path()) |
| try: |
| sys_path.remove('') |
| except ValueError: |
| pass |
| return sys_path |
|
|
| @inference_state_as_method_param_cache() |
| def _get_sys_path(self, inference_state, add_parent_paths=True, add_init_paths=False): |
| """ |
| Keep this method private for all users of jedi. However internally this |
| one is used like a public method. |
| """ |
| suffixed = list(self.added_sys_path) |
| prefixed = [] |
|
|
| if self._sys_path is None: |
| sys_path = list(self._get_base_sys_path(inference_state)) |
| else: |
| sys_path = list(self._sys_path) |
|
|
| if self._smart_sys_path: |
| prefixed.append(str(self._path)) |
|
|
| if inference_state.script_path is not None: |
| suffixed += map(str, discover_buildout_paths( |
| inference_state, |
| inference_state.script_path |
| )) |
|
|
| if add_parent_paths: |
| |
| |
| |
| traversed = [] |
| for parent_path in inference_state.script_path.parents: |
| if parent_path == self._path \ |
| or self._path not in parent_path.parents: |
| break |
| if not add_init_paths \ |
| and parent_path.joinpath("__init__.py").is_file(): |
| continue |
| traversed.append(str(parent_path)) |
|
|
| |
| |
| |
| suffixed += reversed(traversed) |
|
|
| if self._django: |
| prefixed.append(str(self._path)) |
|
|
| path = prefixed + sys_path + suffixed |
| return list(_remove_duplicates_from_path(path)) |
|
|
| def get_environment(self): |
| if self._environment is None: |
| if self._environment_path is not None: |
| self._environment = create_environment(self._environment_path, safe=False) |
| else: |
| self._environment = get_cached_default_environment() |
| return self._environment |
|
|
| def search(self, string, *, all_scopes=False): |
| """ |
| Searches a name in the whole project. If the project is very big, |
| at some point Jedi will stop searching. However it's also very much |
| recommended to not exhaust the generator. Just display the first ten |
| results to the user. |
| |
| There are currently three different search patterns: |
| |
| - ``foo`` to search for a definition foo in any file or a file called |
| ``foo.py`` or ``foo.pyi``. |
| - ``foo.bar`` to search for the ``foo`` and then an attribute ``bar`` |
| in it. |
| - ``class foo.bar.Bar`` or ``def foo.bar.baz`` to search for a specific |
| API type. |
| |
| :param bool all_scopes: Default False; searches not only for |
| definitions on the top level of a module level, but also in |
| functions and classes. |
| :yields: :class:`.Name` |
| """ |
| return self._search_func(string, all_scopes=all_scopes) |
|
|
| def complete_search(self, string, **kwargs): |
| """ |
| Like :meth:`.Script.search`, but completes that string. An empty string |
| lists all definitions in a project, so be careful with that. |
| |
| :param bool all_scopes: Default False; searches not only for |
| definitions on the top level of a module level, but also in |
| functions and classes. |
| :yields: :class:`.Completion` |
| """ |
| return self._search_func(string, complete=True, **kwargs) |
|
|
| @_try_to_skip_duplicates |
| def _search_func(self, string, complete=False, all_scopes=False): |
| |
| from jedi import Script |
| s = Script('', project=self) |
| inference_state = s._inference_state |
| empty_module_context = s._get_module_context() |
|
|
| debug.dbg('Search for string %s, complete=%s', string, complete) |
| wanted_type, wanted_names = split_search_string(string) |
| name = wanted_names[0] |
| stub_folder_name = name + '-stubs' |
|
|
| ios = recurse_find_python_folders_and_files(FolderIO(str(self._path))) |
| file_ios = [] |
|
|
| |
| for folder_io, file_io in ios: |
| if file_io is None: |
| file_name = folder_io.get_base_name() |
| if file_name == name or file_name == stub_folder_name: |
| f = folder_io.get_file_io('__init__.py') |
| try: |
| m = load_module_from_path(inference_state, f).as_context() |
| except FileNotFoundError: |
| f = folder_io.get_file_io('__init__.pyi') |
| try: |
| m = load_module_from_path(inference_state, f).as_context() |
| except FileNotFoundError: |
| m = load_namespace_from_path(inference_state, folder_io).as_context() |
| else: |
| continue |
| else: |
| file_ios.append(file_io) |
| if Path(file_io.path).name in (name + '.py', name + '.pyi'): |
| m = load_module_from_path(inference_state, file_io).as_context() |
| else: |
| continue |
|
|
| debug.dbg('Search of a specific module %s', m) |
| yield from search_in_module( |
| inference_state, |
| m, |
| names=[m.name], |
| wanted_type=wanted_type, |
| wanted_names=wanted_names, |
| complete=complete, |
| convert=True, |
| ignore_imports=True, |
| ) |
|
|
| |
| for module_context in search_in_file_ios(inference_state, file_ios, |
| name, complete=complete): |
| names = get_module_names(module_context.tree_node, all_scopes=all_scopes) |
| names = [module_context.create_name(n) for n in names] |
| names = _remove_imports(names) |
| yield from search_in_module( |
| inference_state, |
| module_context, |
| names=names, |
| wanted_type=wanted_type, |
| wanted_names=wanted_names, |
| complete=complete, |
| ignore_imports=True, |
| ) |
|
|
| |
| sys_path = [ |
| p for p in self._get_sys_path(inference_state) |
| |
| if p != self._path |
| ] |
| names = list(iter_module_names(inference_state, empty_module_context, sys_path)) |
| yield from search_in_module( |
| inference_state, |
| empty_module_context, |
| names=names, |
| wanted_type=wanted_type, |
| wanted_names=wanted_names, |
| complete=complete, |
| convert=True, |
| ) |
|
|
| def __repr__(self): |
| return '<%s: %s>' % (self.__class__.__name__, self._path) |
|
|
|
|
| def _is_potential_project(path): |
| for name in _CONTAINS_POTENTIAL_PROJECT: |
| try: |
| if path.joinpath(name).exists(): |
| return True |
| except OSError: |
| continue |
| return False |
|
|
|
|
| def _is_django_path(directory): |
| """ Detects the path of the very well known Django library (if used) """ |
| try: |
| with open(directory.joinpath('manage.py'), 'rb') as f: |
| return b"DJANGO_SETTINGS_MODULE" in f.read() |
| except (FileNotFoundError, IsADirectoryError, PermissionError): |
| return False |
|
|
|
|
| def get_default_project(path=None): |
| """ |
| If a project is not defined by the user, Jedi tries to define a project by |
| itself as well as possible. Jedi traverses folders until it finds one of |
| the following: |
| |
| 1. A ``.jedi/config.json`` |
| 2. One of the following files: ``setup.py``, ``.git``, ``.hg``, |
| ``requirements.txt`` and ``MANIFEST.in``. |
| """ |
| if path is None: |
| path = Path.cwd() |
| elif isinstance(path, str): |
| path = Path(path) |
|
|
| check = path.absolute() |
| probable_path = None |
| first_no_init_file = None |
| for dir in chain([check], check.parents): |
| try: |
| return Project.load(dir) |
| except (FileNotFoundError, IsADirectoryError, PermissionError): |
| pass |
| except NotADirectoryError: |
| continue |
|
|
| if first_no_init_file is None: |
| if dir.joinpath('__init__.py').exists(): |
| |
| |
| continue |
| elif not dir.is_file(): |
| first_no_init_file = dir |
|
|
| if _is_django_path(dir): |
| project = Project(dir) |
| project._django = True |
| return project |
|
|
| if probable_path is None and _is_potential_project(dir): |
| probable_path = dir |
|
|
| if probable_path is not None: |
| return Project(probable_path) |
|
|
| if first_no_init_file is not None: |
| return Project(first_no_init_file) |
|
|
| curdir = path if path.is_dir() else path.parent |
| return Project(curdir) |
|
|
|
|
| def _remove_imports(names): |
| return [ |
| n for n in names |
| if n.tree_name is None or n.api_type not in ('module', 'namespace') |
| ] |
|
|