🐞 A debug toolbar for FastAPI based on the original django-debug-toolbar. 🐞

Related tags

FastAPI Utilitiesgraphqlsqlalchemyswaggergraphenedebugprofilingariadnepyinstrumenttortoise-ormfastapi
Overview

FastAPI Debug Toolbar

FastAPI Debug Toolbar

🐞 A debug toolbar for FastAPI based on the original django-debug-toolbar. 🐞
Swagger UI & GraphQL are supported.

Test Coverage Codacy Package version

Documentation: https://fastapi-debug-toolbar.domake.io

Installation

pip install fastapi-debug-toolbar

Quickstart

Add DebugToolbarMiddleware middleware to your FastAPI application:

from debug_toolbar.middleware import DebugToolbarMiddleware
from fastapi import FastAPI

app = FastAPI(debug=True)
app.add_middleware(DebugToolbarMiddleware)

SQLAlchemy

Please make sure to use the "Dependency Injection" system as described in the FastAPI docs and add the SQLAlchemyPanel to your panel list:

app.add_middleware(
    DebugToolbarMiddleware,
    panels=["debug_toolbar.panels.sqlalchemy.SQLAlchemyPanel"],
)

Tortoise ORM

Add the TortoisePanel to your panel list:

app.add_middleware(
    DebugToolbarMiddleware,
    panels=["debug_toolbar.panels.tortoise.TortoisePanel"],
)
Comments
  • h11._util.LocalProtocolError: Too little data for declared Content-Length when open FastAPI docs

    h11._util.LocalProtocolError: Too little data for declared Content-Length when open FastAPI docs

    Dependencies:

    • fastapi 0.73.0
    • starlette 0.17.1
    • pydantic 1.9.0
    • h11 0.12.0

    Traceback

    When trying to open http://localhost:XXXX/docs:

    Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/uvicorn/protocols/http/h11_impl.py", line 364, in run_asgi
    result = await app(self.scope, self.receive, self.send)
  File "/usr/local/lib/python3.9/site-packages/uvicorn/middleware/proxy_headers.py", line 75, in __call__
    return await self.app(scope, receive, send)
  File "/usr/local/lib/python3.9/site-packages/fastapi/applications.py", line 212, in __call__
    await super().__call__(scope, receive, send)
  File "/usr/local/lib/python3.9/site-packages/starlette/applications.py", line 112, in __call__
    await self.middleware_stack(scope, receive, send)
  File "/usr/local/lib/python3.9/site-packages/starlette/middleware/errors.py", line 181, in __call__
    raise exc
  File "/usr/local/lib/python3.9/site-packages/starlette/middleware/errors.py", line 159, in __call__
    await self.app(scope, receive, _send)
  File "/usr/local/lib/python3.9/site-packages/starlette/middleware/base.py", line 64, in __call__
    await response(scope, receive, send)
  File "/usr/local/lib/python3.9/site-packages/starlette/responses.py", line 244, in __call__
    await wrap(partial(self.listen_for_disconnect, receive))
  File "/usr/local/lib/python3.9/site-packages/anyio/_backends/_asyncio.py", line 574, in __aexit__
    raise exceptions[0]
  File "/usr/local/lib/python3.9/site-packages/starlette/responses.py", line 240, in wrap
    await func()
  File "/usr/local/lib/python3.9/site-packages/starlette/responses.py", line 234, in stream_response
    await send({"type": "http.response.body", "body": b"", "more_body": False})
  File "/usr/local/lib/python3.9/site-packages/starlette/middleware/errors.py", line 156, in _send
    await send(message)
  File "/usr/local/lib/python3.9/site-packages/uvicorn/protocols/http/h11_impl.py", line 468, in send
    output = self.conn.send(event)
  File "/usr/local/lib/python3.9/site-packages/h11/_connection.py", line 468, in send
    data_list = self.send_with_data_passthrough(event)
  File "/usr/local/lib/python3.9/site-packages/h11/_connection.py", line 501, in send_with_data_passthrough
    writer(event, data_list.append)
  File "/usr/local/lib/python3.9/site-packages/h11/_writers.py", line 60, in __call__
    self.send_eom(event.headers, write)
  File "/usr/local/lib/python3.9/site-packages/h11/_writers.py", line 83, in send_eom
    raise LocalProtocolError("Too little data for declared Content-Length")
h11._util.LocalProtocolError: Too little data for declared Content-Length

    The issue (I think)

    https://github.com/mongkok/fastapi-debug-toolbar/blob/3552b0bbb8e1a86a4f5eaaf214e6916d52c941ef/debug_toolbar/middleware.py#L84

    On first iteration, body equals the correct body from response (b'<HTML CONTENT>'), on second iteration body is empty (b''). This empty body is use on the subsequent code, inserted on response, but line 97 never occurs.

    opened by chrismaille 3
  • try version 1.1, 1.2, 1.3 but never see the toolbar

    try version 1.1, 1.2, 1.3 but never see the toolbar

    Hi, I try it in a very simple Fastapi apps alike: from debug_toolbar.middleware import DebugToolbarMiddleware from fastapi import FastAPI

    app = FastAPI(debug=True) app.add_middleware(DebugToolbarMiddleware)

    @app.get("/") async def root(): return {"message": "Hello World"}

    start with :uvicorn main :app

    and doesn't works , I don't see the toolbar

    logs: INFO: Application startup complete. INFO: 127.0.0.1:61005 - "GET / HTTP/1.1" 200 OK INFO: 127.0.0.1:61005 - "GET /docs HTTP/1.1" 200 OK INFO: 127.0.0.1:61005 - "GET /_debug_toolbar/static/css/toolbar.css HTTP/1.1" 304 Not Modified INFO: 127.0.0.1:50609 - "GET /_debug_toolbar/static/js/toolbar.js HTTP/1.1" 304 Not Modified INFO: 127.0.0.1:61063 - "GET /_debug_toolbar/static/js/refresh.js HTTP/1.1" 304 Not Modified INFO: 127.0.0.1:60063 - "GET /_debug_toolbar/static/img/icon-white.svg HTTP/1.1" 304 Not Modified INFO: 127.0.0.1:61063 - "GET /_debug_toolbar/static/css/print.css HTTP/1.1" 304 Not Modified INFO: 127.0.0.1:60063 - "GET /openapi.json HTTP/1.1" 200 OK

    opened by ericfran 3
  • An error raised from PackageLoader in version of v0.3.0, what happened?

    An error raised from PackageLoader in version of v0.3.0, what happened?

    Here is the error stack information:

    Traceback (most recent call last):
  File "/xxx/pypoetry/virtualenvs/py3.8/lib/python3.8/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/xxx/pypoetry/virtualenvs/py3.8/lib/python3.8/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/xxx/pypoetry/virtualenvs/py3.8/lib/python3.8/site-packages/uvicorn/_subprocess.py", line 76, in subprocess_started
    target(sockets=sockets)
  File "/xxx/pypoetry/virtualenvs/py3.8/lib/python3.8/site-packages/uvicorn/server.py", line 60, in run
    return asyncio.run(self.serve(sockets=sockets))
  File "/xxx/pypoetry/virtualenvs/py3.8/lib/python3.8/asyncio/runners.py", line 44, in run
    return loop.run_until_complete(main)
  File "/xxx/pypoetry/virtualenvs/py3.8/lib/python3.8/asyncio/base_events.py", line 616, in run_until_complete
    return future.result()
  File "/xxx/pypoetry/virtualenvs/py3.8/lib/python3.8/site-packages/uvicorn/server.py", line 67, in serve
    config.load()
  File "/xxx/pypoetry/virtualenvs/py3.8/lib/python3.8/site-packages/uvicorn/config.py", line 477, in load
    self.loaded_app = import_from_string(self.app)
  File "/xxx/pypoetry/virtualenvs/py3.8/lib/python3.8/site-packages/uvicorn/importer.py", line 21, in import_from_string
    module = importlib.import_module(module_str)
  File "xxx/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 783, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "./main.py", line 18, in <module>
    app.add_middleware(
  File "/xxx/pypoetry/virtualenvs/py3.8/lib/python3.8/site-packages/starlette/applications.py", line 169, in add_middleware
    self.middleware_stack = self.build_middleware_stack()
  File "/xxx/pypoetry/virtualenvs/py3.8/lib/python3.8/site-packages/fastapi/applications.py", line 195, in build_middleware_stack
    app = cls(app=app, **options)
  File "/xxx/pypoetry/virtualenvs/py3.8/lib/python3.8/site-packages/debug_toolbar/middleware.py", line 31, in __init__
    self.settings = DebugToolbarSettings(**settings)
  File "/xxx/pypoetry/virtualenvs/py3.8/lib/python3.8/site-packages/debug_toolbar/settings.py", line 139, in __init__
    loaders = self.JINJA_LOADERS + [PackageLoader("debug_toolbar", "templates")]
  File "/xxx/pypoetry/virtualenvs/py3.8/lib/python3.8/site-packages/jinja2/loaders.py", line 323, in __init__
    raise ValueError(
ValueError: The 'debug_toolbar' package was not installed in a way that PackageLoader understands.

    So what happened with this version v0.3.0?

    Can some useful help information be provided for this error?

    Thanks a lot!

    opened by YaoJusheng 2
  • Versions Bug & No SQL queries were recorded during this request.

    Versions Bug & No SQL queries were recorded during this request.

    Hi, im getting this error on the Versions Tab

    image

    And i am not able to get any SQL query response. I am using the Depends() function on my routes, Tried with sqllite and maria db with no success. The dependency injection setup is as the docs requsted.

    The same results with starting via python3 form my machine or docker (python:3.10.3-alpine) :(

    image image

    my requirements.txt

    fastapi==0.78.0
uvicorn[standard]==0.18.2
gunicorn==20.1.0
uuid==1.30
python-multipart==0.0.5
weasyprint==55.0
SQLAlchemy==1.4.39
PyJWT==2.4.0
cairocffi==1.3.0
aiofiles==0.8.0
PyPDF2==2.4.1
bcrypt==3.2.2
greenlet==1.1.2
sentry-sdk==1.6.0
fastapi_msal==0.1.7
itsdangerous==2.1.2
fastapi-debug-toolbar==0.2.1

pydantic~=1.9.1
starlette~=0.19.1
flake8

alembic==1.8.0
PyMySQL~=1.0.2
    opened by AndreasMietk 2
  • Ability to parse UUID

    Ability to parse UUID

    https://github.com/mongkok/fastapi-debug-toolbar/blob/3552b0bbb8e1a86a4f5eaaf214e6916d52c941ef/debug_toolbar/panels/sql.py#L120-L121

    Using UUID field raise an exception

    *** TypeError: Object of type UUID is not JSON serializable

    I suggest, adding UUID serialization, by cast to str

    if isinstance(obj, UUID):
    return str(obj)

    Or allow setting encoder on json.dumps method

    opened by deby22 2
  • Add reviver parameter on JSON.parse redefinition

    Add reviver parameter on JSON.parse redefinition

    This solves Issue #13 that explains how the reviver parameter is excluded from the JSON.parse redefinition. This causes errors when trying to decode parameters using the openapi module contained in the FastApi framework.

    opened by armando-herastang 2
  • fix version home_page null

    fix version home_page null

    fix https://pypi.org/pypi/idna/json having the property set as null and later using ".length on null" in utils.js:82

    partially closing https://github.com/mongkok/fastapi-debug-toolbar/issues/16

    opened by AndreasMietk 1
  • JSON.parse collision with fastapi openapi module

    JSON.parse collision with fastapi openapi module

    I've experienced collisions on the JSON.parse function. When using the fastapi-debug-toolbar and /docs on fastapi which uses openapi module.

    refresh.js file redefines JSON.parse functions, excluding the reviver parameter. This cause issues on the function on get_swagger_ui_oauth2_redirect_html() function on file https://github.com/tiangolo/fastapi/blob/master/fastapi/openapi/docs.py.

    JSON.parse is used on L140:

    qp = qp ? JSON.parse('{' + arr.join() + '}',
                    function (key, value) {
                        return key === "" ? value : decodeURIComponent(value)
                    }
            ) : {}

    that uses the reviver function. The original implementation is not executed, but your overridden function, which does not include the reviver function which causes issues on encoded URI character not being properly decoded.

    Greetings

    opened by armando-herastang 1
  • feat: Fixes and Updates

    feat: Fixes and Updates

    • Fix h11._util.LocalProtocolError: Too little data for declared Content-Length when open FastAPI docs/swagger
    • Fix missing table error in unit tests, when sqlite drops table on memory after closing session.
    • Fix Generator-type Session dependencies not asserting AsyncExitStack. Use the settings session_generators option to pass the full python path for your generator: "foo.bar:my_db_session"
    • Do not show database credential on panels
    • Fix json encoding error using special UUID and datetime types in python
    • Show loguru logs in logging panel

    Resolves #10

    opened by chrismaille 0
Releases(0.3.2)
Owner
Dani
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