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195 lines
6.2 KiB
Python
195 lines
6.2 KiB
Python
# Copyright (c) Microsoft Corporation. All rights reserved.
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# Licensed under the MIT License. See LICENSE in the project root
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# for license information.
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from __future__ import annotations
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import functools
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import typing
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from debugpy import _version
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# Expose debugpy.server API from subpackage, but do not actually import it unless
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# and until a member is invoked - we don't want the server package loaded in the
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# adapter, the tests, or setup.py.
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# Docstrings for public API members must be formatted according to PEP 8 - no more
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# than 72 characters per line! - and must be readable when retrieved via help().
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Endpoint = typing.Tuple[str, int]
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def _api(cancelable=False):
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def apply(f):
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@functools.wraps(f)
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def wrapper(*args, **kwargs):
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from debugpy.server import api
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wrapped = getattr(api, f.__name__)
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return wrapped(*args, **kwargs)
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if cancelable:
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def cancel(*args, **kwargs):
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from debugpy.server import api
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wrapped = getattr(api, f.__name__)
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return wrapped.cancel(*args, **kwargs)
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wrapper.cancel = cancel
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return wrapper
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return apply
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@_api()
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def log_to(__path: str) -> None:
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"""Generate detailed debugpy logs in the specified directory.
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The directory must already exist. Several log files are generated,
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one for every process involved in the debug session.
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"""
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@_api()
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def configure(__properties: dict[str, typing.Any] | None = None, **kwargs) -> None:
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"""Sets debug configuration properties that cannot be set in the
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"attach" request, because they must be applied as early as possible
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in the process being debugged.
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For example, a "launch" configuration with subprocess debugging
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disabled can be defined entirely in JSON::
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{
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"request": "launch",
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"subProcess": false,
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...
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}
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But the same cannot be done with "attach", because "subProcess"
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must be known at the point debugpy starts tracing execution. Thus,
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it is not available in JSON, and must be omitted::
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{
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"request": "attach",
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...
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}
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and set from within the debugged process instead::
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debugpy.configure(subProcess=False)
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debugpy.listen(...)
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Properties to set can be passed either as a single dict argument,
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or as separate keyword arguments::
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debugpy.configure({"subProcess": False})
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"""
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@_api()
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def listen(
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__endpoint: Endpoint | int, *, in_process_debug_adapter: bool = False
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) -> Endpoint:
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"""Starts a debug adapter debugging this process, that listens for
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incoming socket connections from clients on the specified address.
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`__endpoint` must be either a (host, port) tuple as defined by the
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standard `socket` module for the `AF_INET` address family, or a port
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number. If only the port is specified, host is "127.0.0.1".
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`in_process_debug_adapter`: by default a separate python process is
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spawned and used to communicate with the client as the debug adapter.
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By setting the value of `in_process_debug_adapter` to True a new
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python process is not spawned. Note: the con of setting
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`in_process_debug_adapter` to True is that subprocesses won't be
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automatically debugged.
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Returns the interface and the port on which the debug adapter is
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actually listening, in the same format as `__endpoint`. This may be
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different from address if port was 0 in the latter, in which case
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the adapter will pick some unused ephemeral port to listen on.
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This function does't wait for a client to connect to the debug
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adapter that it starts. Use `wait_for_client` to block execution
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until the client connects.
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"""
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@_api()
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def connect(__endpoint: Endpoint | int, *, access_token: str | None = None) -> Endpoint:
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"""Tells an existing debug adapter instance that is listening on the
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specified address to debug this process.
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`__endpoint` must be either a (host, port) tuple as defined by the
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standard `socket` module for the `AF_INET` address family, or a port
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number. If only the port is specified, host is "127.0.0.1".
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`access_token` must be the same value that was passed to the adapter
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via the `--server-access-token` command-line switch.
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This function does't wait for a client to connect to the debug
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adapter that it connects to. Use `wait_for_client` to block
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execution until the client connects.
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"""
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@_api(cancelable=True)
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def wait_for_client() -> None:
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"""If there is a client connected to the debug adapter that is
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debugging this process, returns immediately. Otherwise, blocks
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until a client connects to the adapter.
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While this function is waiting, it can be canceled by calling
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`wait_for_client.cancel()` from another thread.
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"""
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@_api()
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def is_client_connected() -> bool:
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"""True if a client is connected to the debug adapter that is
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debugging this process.
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"""
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@_api()
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def breakpoint() -> None:
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"""If a client is connected to the debug adapter that is debugging
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this process, pauses execution of all threads, and simulates a
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breakpoint being hit at the line following the call.
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It is also registered as the default handler for builtins.breakpoint().
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"""
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@_api()
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def debug_this_thread() -> None:
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"""Makes the debugger aware of the current thread.
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Must be called on any background thread that is started by means
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other than the usual Python APIs (i.e. the "threading" module),
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in order for breakpoints to work on that thread.
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"""
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@_api()
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def trace_this_thread(__should_trace: bool):
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"""Tells the debug adapter to enable or disable tracing on the
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current thread.
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When the thread is traced, the debug adapter can detect breakpoints
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being hit, but execution is slower, especially in functions that
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have any breakpoints set in them. Disabling tracing when breakpoints
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are not anticipated to be hit can improve performance. It can also
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be used to skip breakpoints on a particular thread.
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Tracing is automatically disabled for all threads when there is no
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client connected to the debug adapter.
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"""
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__version__: str = _version.get_versions()["version"]
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