fastapi swagger ui not workingfastapi swagger ui not working

Sign in Authorize button in swagger ui of FastAPI Ask Question Asked 1 year, 5 months ago Modified 24 days ago Viewed 3k times 0 I am really confused between the need of OAuth2PasswordRequestForm and OAuth2PasswordBearer in below oauth code in Fastapi. Is this going to update automatically or does it require action on Swagger's part? Already on GitHub? To disable them, set their URLs to None when creating your FastAPI app: Now you can create the path operations for the custom docs. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, Hey @Isabi, this error I am facing for cases where response type is JSON and not HTML, so my. This means that when you build an API with FastAPI, you can automatically generate API documentation using Swagger UI . Swagger UI not working in Fastapi version 0.61.2 #2346 - GitHub to your account. When laying trominos on an 8x8, where must the empty square be? How do I figure out what size drill bit I need to hang some ceiling hooks? OpenAPI UI not working properly when using automatic swagger-ui CDN The normal (default) process, is as follows. You can re-use FastAPI's internal functions to create the HTML pages for the docs, and pass them the needed arguments: The path operation for swagger_ui_redirect is a helper for when you use OAuth2. Setting the root_path in the FastAPI app About root_path About proxies with a stripped path prefix Testing locally with Traefik Check the responses Check the docs UI Additional servers Disable automatic server from root_path Mounting a sub-application Behind a Proxy Not the answer you're looking for? This means that when you define the request and response models for your API using Python type hints, FastAPI will automatically validate the requests and responses based on the types you define. Do US citizens need a reason to enter the US? If you already know that you need to modify the generated OpenAPI schema, continue reading. How many alchemical items can I create per day with Alchemist Dedication? If the Jetty server doesn't respond, the Swagger UI and other integrations that use the Jetty server do not work. You signed in with another tab or window. The braking change seems to be part of swagger-ui v3.30.1 as forcing it to v3.30.0 works for me. 3.30.1 breaks path tags (endpoints don't expand) #6249 - GitHub Have a question about this project? We read every piece of feedback, and take your input very seriously. For example: "Tigers (plural) are a wild animal (singular)", Looking for story about robots replacing actors. that use Swagger-UI indirectly, like Springfox or swagger-node. They allow you to easily design, document, and test your API, ensuring that it is well-designed and working correctly. message when a GET request is made to the root path of the API. You can continue the conversation there. Running the Streamlit Frontend Open a new terminal session. @raghavsikaria have you tried with response.json() ? Using the information above, you can use the same utility function to generate the OpenAPI schema and override each part that you need. FASTAPI custom middleware getting body of request inside, FastAPI - Unable to render Swagger in production, How to write a custom FastAPI middleware class, fastapi logging error and swagger is not working, FastAPI - Unable to get auth token from middleware's Request object. See also: https://github.com/tiangolo/fastapi/issues/1762. Geonodes: which is faster, Set Position or Transform node? This package includes the required files from the CDN and serves them locally. That was the fastest reply I ever saw. New release to resolve this issue, v3.30.2. In this section you will see how. How does hardware RAID handle firmware updates for the underlying drives? By clicking Sign up for GitHub, you agree to our terms of service and Once you go to http://127.0.0.1:8000/redoc you will see that you are using your custom logo (in this example, FastAPI's logo): The API docs use Swagger UI and ReDoc, and each of those need some JavaScript and CSS files. If I run the curlcommand Swagger UI is showing, it's working as expected (I get "johnette"). Go to discussion . One of the fastest Python frameworks available. Does this definition of an epimorphism work? Released: May 7, 2023 Project description Overview FastAPI is awesome, but the documentation pages (Swagger or Redoc) all depend on external CDNs, which is problematic if you want to run on disconnected networks. FastAPI also includes these JavaScript-only presets settings: These are JavaScript objects, not strings, so you can't pass them from Python code directly. Already on GitHub? 592), Stack Overflow at WeAreDevelopers World Congress in Berlin, Temporary policy: Generative AI (e.g., ChatGPT) is banned. Who counts as pupils or as a student in Germany? Hi everyone! I have below two queries. Repository owner This can only be done if it can be safely assumed that every json response needs the metadata to be added, while html content type doesn't. For example: "Tigers (plural) are a wild animal (singular)", My bechamel takes over an hour to thicken, what am I doing wrong. Question 2: When you click the Authorize button and log in using it, the UI will receive the token back from your API and will store it somewhere and provide it as needed for the endpoints that require it. The item moves under a new category "default" which I didn't create. Then downgraded starlette==0.13.4 , it works ! FastAPI is a Python web framework that has been built from the ground up to make use of modern Python features. The first step is to disable the automatic docs, as those use the CDN by default. This is the UI before clicking on one of the items "/sat-players/" It will be generated only once, and then the same cached schema will be used for the next requests. It is built on top of the popular web framework Starlette and includes built-in support for Swagger and OpenAPI. why does my class schema looks broken in fastAPi and swagger? This following code block necessary to switch offline cdn files via fastapi_offline_swagger_ui module, https://github.com/tiangolo/fastapi/blob/4cea311e6ef112edfa1e42fde2f63b6ab2d7e413/fastapi/openapi/docs.py, https://fastapi.tiangolo.com/advanced/extending-openapi/#self-hosting-javascript-and-css-for-docs, https://fastapi.tiangolo.com/advanced/sub-applications/, https://pypi.org/project/fastapi-offline/, Add reference to fastapi-offline for self-hosting OpenAPI javascript, ui not loading icons/swagger on startup without internet. The key features are: Fast: Very high performance, on par with NodeJS and Go (thanks to Starlette and Pydantic). If you happen to have a key with such a name in your response data, then you could have additional checks using further keys that are present in the response for the OpenAPI, e.g., info, version, paths, and, if needed, you can check against their values too. Already on GitHub? It would be nice to find out which version introduces the issue so that we can pin to another older version as the workaround. Parts of Swagger are included in this package. The text was updated successfully, but these errors were encountered: Please provide more details, we cannot help you with the details you have provided. Thanks for reporting back and closing the issue , Repository owner If you are just following the tutorial - user guide, you can probably skip this section. But I expected it to return "johnette". Sign up for a free GitHub account to open an issue and contact its maintainers and the community. There's no Swagger UI. It just returns a JSON response with the result of the application's .openapi() method. FastAPI: How to enable CORS only for specific endpoints? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Connect and share knowledge within a single location that is structured and easy to search. Example is given below. Indeed, it's a bug in Swagger UI, not in FastAPI, as @cimera255 noticed. So far, so good. However, when I served my app using uvicorn, and launched the swagger URL, here is what I see: With a lot of debugging, I found that this error was due to the custom middleware and specifically this line: If I simply comment out this line, swagger renders just fine for me. Anyway, thanks for reporting back and closing the issue . (you can change the check according to your needs). This is a rather advanced feature. Authorize button in swagger ui of FastAPI - Stack Overflow GitHub - pranjalpruthi/Streamlit-FastAPI: Building a Streamlit If you need to use JavaScript-only configurations like those, you can use one of the methods above. Would it be possible to include the swagger-ui-bundle.js and swagger-ui.css files (which are currently loaded via a CDN in https://github.com/tiangolo/fastapi/blob/4cea311e6ef112edfa1e42fde2f63b6ab2d7e413/fastapi/openapi/docs.py) in the project so those resources are available offline as well? Term meaning multiple different layers across many eras? To see all available qualifiers, see our documentation. If you look inside the file you will see mentions of "OAuth2PasswordBearer", and they disappear if you comment out the "read_users_me" path operation function and decorator. OS: Windows FastAPI Version 0.45.0 Python version 3.6.10 :: Anaconda Inc. Sign in By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Does glide ratio improve with increase in scale? To make an endpoint protected, you just need to add the get_current_user function as a dependency. Can't find anything on google and the issue so fundamental I don't know where to look. Was the release of "Barbie" intentionally coordinated to be on the same day as "Oppenheimer"? Can a Rogue Inquisitive use their passive Insight with Insightful Fighting? Thanks for contributing an answer to Stack Overflow! When running the docs (Swagger) of FastAPI the UI is not rendered while offline. If you followed along, you should have a working FastAPI application with JWT authentication. Hi @svalouch. all systems operational. Another solution would be to use a custom APIRoute class, as demonstrated here and here, which would allow you to apply the changes on the response body only to routes that you specifywhich would solve the issue with Swaager UI in a more easy way. We read every piece of feedback, and take your input very seriously. To see all available qualifiers, see our documentation. Here's an example of how to define a basic "Hello, World!" FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.7+ based on standard Python type hints. FastAPI is awesome, but the documentation pages (Swagger or Redoc) all depend on external CDNs, which is problematic if you want to run on disconnected networks. Path Parameters - FastAPI - tiangolo Using FastAPI to Build Python Web APIs - Real Python When you run this app and access the /docs path in your browser, you will see the API documentation generated by Swagger UI. If you're building an API with FastAPI, be sure to check out Swagger and OpenAPI to take advantage of their many features. You can continue the conversation there. However, I need this line for passing the content argument in Response from Middleware. I already searched in Google "How to X in FastAPI" and didn't find any information. I expected the cookie to be sent and not getting None. Under the hood, this simply automates the process described in the official documentation here. Support Jose Diaz by becoming a sponsor. Your new file structure could look like this: Download the static files needed for the docs and put them on that static/ directory. The code was hung up in the middleware level indefinitely and the page was not still loading. Swagger UI Not Loading : r/FastAPI - Reddit It also provides a super-simple way to get a FastAPI instance configured to use those files. You can temporarily pin to 3.30.0 as @andrewminion-luminfire explained. Any help would be appreciated. by removing default arg, the swagger did successfully load. When running the docs (Swagger) of FastAPI the UI is not rendered while offline. and this is how it looks after clicking on it. FastAPI converts the configurations to JSON to make them compatible with JavaScript, as that's what Swagger UI needs. Why would God condemn all and only those that don't believe in God? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. We read every piece of feedback, and take your input very seriously. pip install fastapi-offline Given the example from the FastAPI tutorial: Simply create a fastapi_offline.FastAPIOffline object instead: Any options passed to FastAPIOffline() except docs_url, redoc_url, favicon_url, and static_url are passed through to FastAPI(). It returns a 401 Unauthorized: Invalid cookie. How many alchemical items can I create per day with Alchemist Dedication? Extend the response if it json, otherwise leave it as it is. If it doesn't, it generates them using the utility function at fastapi.openapi.utils.get_openapi. One of my routes expects a Cookie parameter. First, write all your FastAPI application as normally: Then, use the same utility function to generate the OpenAPI schema, inside a custom_openapi() function: Now you can add the ReDoc extension, adding a custom x-logo to the info "object" in the OpenAPI schema: You can use the property .openapi_schema as a "cache", to store your generated schema. By clicking Sign up for GitHub, you agree to our terms of service and Was the release of "Barbie" intentionally coordinated to be on the same day as "Oppenheimer"? How to link an external swagger json file to Python FastAPI? @andrewminion-luminfire Thanks for reporting. Conclusion. The original license (. Now we can configure the app to use those static files for the docs. Make sure to check the Content-Type of the response (as shown below), so that you can modify it by adding the metadata, only if it is of application/json type. It seems I am having some troubleshootings, Hi pedro, you can simply update your FastApi version with your preferred package management tool, or use the monkey patch referenced by @ratopythonista here. 0.3.0]: Python version: There are some cases where you might need to modify the generated OpenAPI schema. (go to Swagger ui at localhost:8000/docs#/) Fastapi Swagger UI Snip. Perform the following steps to troubleshoot an issue: Step: Task. i am facing an issue that is when i click on the authorize button it pops up a form and if i provide invalid credentials it saves it, Authorize button in swagger ui of FastAPI, Improving time to first byte: Q&A with Dana Lawson of Netlify, What its like to be on the Python Steering Council (Ep. Go to discussion . that this way of adding custom middleware works by inheriting from BaseHTTPMiddleware in Starlette and has its own issues (something to do with awaiting inside middleware, streamingresponse and normal response, and the way it is called). Why do capacitors have less energy density than batteries? How to Add JWT Authentication in FastAPI - A Practical Guide . @svalouch oh yea you're absolutely right, it's already implemented. "PyPI", "Python Package Index", and the blocks logos are registered trademarks of the Python Software Foundation. Now, to be able to test that everything works, create a path operation: Now, you should be able to disconnect your WiFi, go to your docs at http://127.0.0.1:8000/docs, and reload the page. Cheers. I can't expand/collapse routes or see schemas when I access /docs. Asking for help, clarification, or responding to other answers. To learn more, see our tips on writing great answers. My bechamel takes over an hour to thicken, what am I doing wrong. Donate today! You are substituting the body of the swagger html with json data taken from both middleware and response (html response in this case). By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Thanks for reporting back with the answer to this! Copy and run following. We need to mount static folder to make our files visible. OpenAPI UI not working properly when using automatic swagger-ui CDN (swagger-ui-3.30.1), Swagger-ui template not working after Swagger-UI version: 3.30.1, https://github.com/tiangolo/uvicorn-gunicorn-fastapi-docker#dependencies-and-packages. There is also this for npm but I haven't tried it myself. to your account. @Christomesh so could you please close this issue. FastAPI is a modern, fast, web framework for building APIs with Python 3.6+ based on standard Python-type hints. Just Modern Python It's all based on standard Python 3.6 type declarations (thanks to Pydantic). To use Swagger and OpenAPI with FastAPI, you simply need to add a few lines of code to your FastAPI app. For example, let's add ReDoc's OpenAPI extension to include a custom logo. Have a question about this project? It was a bug in Swagger UI v. 3.30.1, fixed in v. 3.30.2. Have a question about this project? Circlip removal when pliers are too large, Do the subject and object have to agree in number? What you can't do is provide a cookie value in the docs UI. Yep, Cookie authentication is difficult to debug and modify while running on the web browser docs UI as the browsers have security restrictions for JS on the browser. By default, those files are served from a CDN. Cant update deployed code without going through hoops. (Once you understand what the curl command should look like based on a single-file endpoint . Perform a check on the content type of the response in the middleware. Wait for the following issue to be merged into the current starlettes implementation and fastapi to start using this version. Swagger UI not working in Fastapi version 0.61.2. For the OpenAPI (Swagger UI) to render (both /docs and /redoc), make sure to check whether openapi key is not present in the response, so that you can proceed modifying the response only in that case. how to secure graphql in strawberry and FastAPI both in Swagger and Sign in How to setup a swagger API login with authorize button in asp.net web api? Swagger integrated login form successfully logged in. When clicked, endpoint automatically moves under "default" tag. You could still use the middleware option if you wish, but instead of adding the middleware to the main app, you could add it to a sub applicationas shown in this answer and this answerthat includes again only the routes for which you need to modify the response in order to add some additional data in the body. This is a regression in 3.30.1; I temporarily set my unpkg URL to 3.30.0 (https://unpkg.com/swagger-ui-dist@3.30.0/swagger-ui-bundle.js) and the behavior no longer happens. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Let's say your project file structure looks like this: Now create a directory to store those static files. If you already know that you need to modify the generated OpenAPI schema, continue reading. As a work around I disabled automatic docs setting docs_url=None, downloaded the previous swagger-ui (3.29.0) and served them as static files. Could ChatGPT etcetera undermine community by making statements less significant for us? By default, what the method .openapi() does is check the property .openapi_schema to see if it has contents and return them. You signed in with another tab or window. Swagger UI not working in Fastapi version 0.62 #2345 - GitHub locked and limited conversation to collaborators. Now you can replace the .openapi() method with your new function. Navigate to the project directory (if not already there): I don't understand it yet. Thanks in advance! Alternatively, a likely better approach would be to check for the request's url path at the start of the middleware function (against a pre-defined list of paths/routes that you would like to add metadata to their responses), and proceed accordingly. Problems begin when I click on any of the methods. Anyway, it's fine because I can use my login route to get the cookie in my browser session, and then let the cookie field empty. to your account. Fastapi: [BUG] Multiple files on swagger not work - Bleep Coder Anthology TV series, episodes include people forced to dance, waking up from a virtual reality and an acidic rain. FastAPI also includes automatic request and response validation using the OpenAPI specification. Features - FastAPI - tiangolo That's useful, for example, if you need your app to keep working even while offline, without open Internet access, or in a local network. The text was updated successfully, but these errors were encountered: @tim-lai This bug completely breaks the swagger-ui as the API Explorer. You signed in with another tab or window. Uploaded To learn more, see our tips on writing great answers. static_url can be used to set the path for the static js/css files, e.g. Scope. Is there an error in your server console, or in the Javascript console in your browser? Is there something we can do from the client (browser) side? Successfully merging a pull request may close this issue. I am investigating. That's all you need to do! If the request body is not valid, FastAPI will return an error response. By clicking Sign up for GitHub, you agree to our terms of service and Is it better to use swiss pass or rent a car? Upgraded to v0.60.1 .. but failed to POST for starlette==0.13.6 But it's possible to customize it, you can set a specific CDN, or serve the files yourself. privacy statement. https://github.com/tiangolo/fastapi/issues/1174 1st question: swagger backend consumes the code you write, and produces what is called "documentation", which is not a production GUI, so that button is there only for help. Well occasionally send you account related emails. Find centralized, trusted content and collaborate around the technologies you use most. I think this behavior should be highlighted in the cookie parameter section in the docs, which will save me much time for googling this. is absolutely continuous? The original license (, Parts of Redoc are included in this package. I already hit the "watch" button in this repository to receive notifications and I commit to help at least 2 people that ask questions in the future. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Copy PIP instructions, FastAPI without reliance on CDNs for docs, View statistics for this project via Libraries.io, or by using our public dataset on Google BigQuery.