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jedi-fork/docs/docs/api.rst
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.. include:: ../global.rst
API Overview
============
.. note:: This documentation is mostly for Plugin developers, who want to
improve their editors/IDE with Jedi.
.. _api:
The API consists of a few different parts:
- The main starting points for complete/goto: :class:`.Script` and
:class:`.Interpreter`. If you work with Jedi you want to understand these
classes first.
- :ref:`API Result Classes <api-classes>`
- :ref:`Python Versions/Virtualenv Support <environments>` with functions like
:func:`.find_system_environments` and :func:`.find_virtualenvs`
- A way to work with different :ref:`Folders / Projects <projects>`
- Helpful functions: :func:`.preload_module` and :func:`.set_debug_function`
The methods that you are most likely going to use to work with Jedi are the
following ones:
.. currentmodule:: jedi
.. autosummary::
:nosignatures:
Script.complete
Script.goto
Script.infer
Script.help
Script.get_signatures
Script.get_references
Script.get_context
Script.get_names
Script.get_syntax_errors
Script.rename
Script.inline
Script.extract_variable
Script.extract_function
Script.search
Script.complete_search
Project.search
Project.complete_search
Script
------
.. autoclass:: jedi.Script
:members:
Interpreter
-----------
.. autoclass:: jedi.Interpreter
:members:
.. _projects:
Projects
--------
.. automodule:: jedi.api.project
.. autofunction:: jedi.get_default_project
.. autoclass:: jedi.Project
:members:
.. _environments:
Environments
------------
.. automodule:: jedi.api.environment
.. autofunction:: jedi.find_system_environments
.. autofunction:: jedi.find_virtualenvs
.. autofunction:: jedi.get_system_environment
.. autofunction:: jedi.create_environment
.. autofunction:: jedi.get_default_environment
.. autoexception:: jedi.InvalidPythonEnvironment
.. autoclass:: jedi.api.environment.Environment
:members:
Helper Functions
----------------
.. autofunction:: jedi.preload_module
.. autofunction:: jedi.set_debug_function
Errors
------
.. autoexception:: jedi.InternalError
.. autoexception:: jedi.RefactoringError
Examples
--------
Completions
~~~~~~~~~~~
.. sourcecode:: python
>>> import jedi
>>> code = '''import json; json.l'''
>>> script = jedi.Script(code, path='example.py')
>>> script
<Script: 'example.py' <SameEnvironment: 3.9.0 in /usr>>
>>> completions = script.complete(1, 19)
>>> completions
[<Completion: load>, <Completion: loads>]
>>> completions[1]
<Completion: loads>
>>> completions[1].complete
'oads'
>>> completions[1].name
'loads'
Type Inference / Goto
~~~~~~~~~~~~~~~~~~~~~
.. sourcecode:: python
>>> import jedi
>>> code = '''\
... def my_func():
... print 'called'
...
... alias = my_func
... my_list = [1, None, alias]
... inception = my_list[2]
...
... inception()'''
>>> script = jedi.Script(code)
>>>
>>> script.goto(8, 1)
[<Name full_name='__main__.inception', description='inception = my_list[2]'>]
>>>
>>> script.infer(8, 1)
[<Name full_name='__main__.my_func', description='def my_func'>]
References
~~~~~~~~~~
.. sourcecode:: python
>>> import jedi
>>> code = '''\
... x = 3
... if 1 == 2:
... x = 4
... else:
... del x'''
>>> script = jedi.Script(code)
>>> rns = script.get_references(5, 8)
>>> rns
[<Name full_name='__main__.x', description='x = 3'>,
<Name full_name='__main__.x', description='x = 4'>,
<Name full_name='__main__.x', description='del x'>]
>>> rns[1].line
3
>>> rns[1].column
4
Deprecations
------------
The deprecation process is as follows:
1. A deprecation is announced in any release.
2. The next major release removes the deprecated functionality.