Fastapi static files not working. Below's an example doing so with FastAPI. What is "Dependency Injection". html file. jpg" in the "static" directory, it can be Jan 18, 2020 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand The first step is to disable the automatic docs, as by default, those use the default CDN. Sorry for the long delay! 🙈 I wanted to personally address each issue/PR and they piled up through time, but now I'm checking each one in order. 1:58109 - "POST /b HTTP/1. Very simple app structure: app api. yml and auto-reload will work: services: fastapi-dev: image: myimagename:${TAG:-latest} build: context: . security import HTTPBasic, HTTPBasicCredentials PathLike = typing. jpg does not exist. $ pip install "fastapi [all]" Both worked for me from VS Code installed on Linux Mint 20. Apr 1, 2019 · Hi, in case a solution is still needed, though the issue is closed, i propose the following way to serve files (for react): put your react-scripts build in a "frontend/build" folder and serve with the following FastAPI app. This is normally done automatically by FastAPI using the default URL /openapi. 最初の "/static" は、この「サブアプリケーション」が「マウント」されるサブパスを指します。. In order to handle static files, you need a library called aiofiles. And then, that system (in this case FastAPI) will take care of doing whatever is needed to provide your code with those Use CORSMiddleware. py. Each section gradually builds on the previous ones, but it's structured to separate topics, so that you can go directly to any specific one to solve your specific API needs. mount that can specify the static files be served over https rather than having to give a cert file in uvicorn start process. , root path) would work fine, adding an Jan 8, 2021 · 118. staticfiles import StaticFiles from fastapi. The URL to use to load the Swagger UI JavaScript. import typing from pathlib import Path import secrets from fastapi import FastAPI, Request, HTTPException, status from fastapi. FastAPI framework, high performance, easy to learn, fast to code, ready for production 更多细节和选择查阅 Starlette's docs about Static Files. inferring_router import InferringRouter def get_x(): return 10 app = FastAPI() router = InferringRouter() # Step 1: Create a router @cbv(router) # Step 2: Create and decorate a class to hold the endpoints class Foo: # Step 3: Add dependencies as class Jul 24, 2020 · from pathlib import Path from typing import Union from fastapi import FastAPI, Request from fastapi. staticfiles ，只是为了方便开发者。但它实际上直接来自 Starlette。 但它实际上直接来自 Starlette。 什么是 "Mounting" I'm running a FastAPI app in Python using uvicorn on a Windows machine without a frontend (e. responses import HTMLResponse from fastapi. utcnow(). pulling swagger-ui-bundle. from typing import Annotated, Any. I believe that FastAPI only supports mounting sub-applications on the app. isfile(filepath) (Note: you need to make sure there is no pre-existing file with the same Jun 21, 2023 · 2. Is there a different API I should be using? Oct 12, 2020 · Are you not satisfied and you are saying what if I add a middleware, what is going to happen? Easy to answer, it will not inherit. from fastapi import FastAPI, Request. I have following folders: And in the nginx config file, I have the following setup. To serve static images or files, we utilized FastAPI’s StaticFiles class. Navigate to it and use the command below to create a virtual environment: python3 -m venv env. Other platforms do not support this; your code should not rely on a temporary file created using this function having or not having a visible name in the file system. However, I get different types of errors when I'm trying it with HTML forms and it doesn't process the uploaded file. folder1 import folder1 as folder1_main # In the end of code i add app. Upload files by Form Data using FastAPI In the following code we define the file field, it is there where we will receive the file by Form Data Aug 23, 2021 · I run python FASTapi web-app on the server using nginx and all works correctly excepting . But May 23, 2022 · I have an endpoint which uses a function to get the image URL's from the volume but this doesn't seem to be working at the moment as I'm getting a status code 404 back. Steps to reproduce the behavior: Create the file test. This could be a starting point: Feb 12, 2024 · From my perspective static files are normally served from the front end, so this would be a natural place to do it. To Reproduce. Jul 14, 2021 · I'm trying to replicate uploading a file which works with the /docs of Swagger/Fastapi and process it with Pandas. Feb 4, 2024 · FastAPI - set arbitrary header in response FastAPI mounted sub-applications . py Create a new file in VS Code ( File > New Text File or ⌘N (Windows, Linux Ctrl+N) ). A file stored in memory up to a maximum size limit, and after passing this limit it will be stored in disk. / (GET) - Flet app static files Apr 16, 2021 · So I tried streaming response and get an empty downloaded file. cors import CORSMiddleware subapi. And as I've stated it's on a local cluster. pip3 install aiofiles. The OpenAPI URL that Swagger UI should load and use. In the app directory I have a main. For some reason, relative links (specifying root_path takes care of the rest) seem to work all over FastAPI, except for the openapi_url argument in get_swagger_ui_html(). FastAPI 提供了与 fastapi. return StreamingResponse(flo. As explained in this answer, as well as here and here, the order in which the endpoints are defined matters, as, in FastAPI, endpoints are evaluated in order. how should I do this? The problem is that index. In the guide I see the following. Mar 15, 2023 · No the theme. Nov 26, 2021 · For anybody coming here from Google: After spending even more hours on this, I finally figured it out myself. Am I missing something? I want to create an API for a file download site. staticfiles 相同的 starlette. This tutorial shows you how to use FastAPI with most of its features, step by step. jpg etc), JavaScript files to be used for executing some front end code, or stylesheets for formatting HTML (. 0. CORSMiddleware, allow_origins=origins, allow_credentials=True, allow_methods=["*"], allow_headers=["*"], Everything works fine other than for static files am serving through /static/ mount. To be more clear they're not being severed over my domain but the localhost of my webserver. /static"), name="static") Second solution: If you work in PyCharm you could right click on the app folder->Mark directory as->Sources root and then the original code from the fastapi docs will work. The static_files_dir is expected to point to a directory containing the static files necessary for your frontend application. したがって、 "/static" から始まるパスはすべてサブアプリケーションによって処理されます。. js, etc. Just needed to put all static files including index. It will be inside 'static' folder only. There must be a primary script file that acts as an entry point of your application. Moreover I noticed the tests are not using the same path like the application. css. This is a tricky part, now you can choose to do one of these two options: You can choose to use implement a solution like this where you can build a custom SSR solution. I want to use mount becuase I want to put js and css files there as well, to be used by the index. Apr 23, 2021 · with open(os. css templates index. Oct 6, 2021 · for changes in watch ('/code', force_polling=True): Fortunately in the documentation we are given the possibility to force the polling via the environment variable WATCHFILES_FORCE_POLLING. 04. Following the example in the FastAPI documentation Sep 7, 2022 · In the last video in this series I wrap up a couple of loose ends such as- How to serve static files- Some simple testing functionality- Debugging your app i Sep 18, 2020 · The changeResponse api just changed a global variable, another api return different response through the same global variable. Read more about it in the FastAPI docs for Configure Swagger UI and the FastAPI docs for Custom Docs UI Static Assets (Self-Hosting). "Dependency Injection" means, in programming, that there is a way for your code (in this case, your path operation functions) to declare things that it requires to work and use: "dependencies". It will be inside static folder only. Ok, this part is complete, now lets put an image in the path static > images > logo. Jan 19, 2023 · To serve static files in FastAPI, just call the built-in mount () method on your app instance. Why would anyone use FastAPI to render templates? – name="static" は、FastAPI によって内部的に使用できる名前を付けます。 これらのパラメータはすべて " static " とは異なる場合がありますので、独自のアプリケーションのニーズや特定の詳細に応じて調整してください。 Use the templates you created to render and return a TemplateResponse, pass the name of the template, the request object, and a "context" dictionary with key-value pairs to be used inside of the Jinja2 template. middleware. css files (which are currently Jun 7, 2022 · I'd like all the file-writing to happen in a temporary directory, so it gets cleaned up. Next, import StaticFiles class from the fastapi. path. First of all i did as in your example "pointless StreamingResponse ". Is there a way I can get fastapi to serve the vite projects static files so I Oct 9, 2019 · Hi everyone! When running the docs (Swagger) of FastAPI the UI is not rendered while offline. , file_id) pointing to the given filepath from the cache as well. May 24, 2020 · Describe the bug Mounting StaticFiles with an APIRouter doesn't work. CSS files) are the examples of static files. 65. Create a virtual environment by opening the Command Palette ( ⇧⌘P (Windows, Linux Ctrl+Shift+P)) and running Aug 4, 2022 · For Option 2, however, you would have to make sure to delete the key (i. class Person(BaseModel): name: str. I already read and followed all the tutorial in the docs and didn't find an answer. export default defineConfig({ base: '/static/', }) Jan 14, 2020 · Checks you are authenticated and then delegates to StaticFiles. But it shouldn't be too hard to implement something yourself. js and swagger-ui. staticfiles import StaticFiles. py file. FastAPI - serve static files - JavaScript example. e. Now, create a new directory called server-side-rendering-with-fastapi. Let me explain this with a simple example, I am going to add a middleware for my subapi. router) So, for static files just create a folder named like staticserve in src folder and in there put something like this ( not to add as router though ) Dec 26, 2021 · From a Terminal Shown Within VS Code. Setting up main. You can also specify if your backend allows: Credentials (Authorization headers, Cookies, etc). Person. testclient import TestClie Feb 6, 2021 · 2. I noticed that TTFB is not good and i got some problems when trying to send files more than 50 MB - it was very slow. openapi. Sep 20, 2022 · In both cases I could not import static files using : from fastapi. py is responsible for setting up the FastAPI application and serving static files if the backend_only variable is set to False and a valid static_files_dir is provided. then this is a very simple code to achieve it: create a python file and named it main. Next. tar. Starlette has recently added the follow_symlink parameter in StaticFiles class, which is a boolean indicating if symbolic links for files and directories should be followed—by default, this value is set to False. It seems from fastapi import FastAPI also could not be resolved but that did not stop the program from working before I tried loading the html file, Static Files Static Files Зміст Use FastAPI provides the same starlette. The same principles apply for uvicorn [standard] when you install that. Oct 30, 2023 · Here are my experiments. Oct 19, 2021 · pip install virtualenv. Import CORSMiddleware. I want to call it to my . Ok, this part is complete, now let's put an image in the path static > images > logo. data, file) Feb 26, 2020 · The app for the server is server and the nginx app is a different one, at least that's the way all the examples I've seen work. There is the first naive approach but served files can be arbitrarily large so I don't want to load the whole content in memory. Plus the answer(s) to that question would not have solved my issue/question. Aug 10, 2022 · That would depend on how you serve your HTML; that would have a reference to the favicon and the browser would load that file. Then use the FastAPI app StaticFiles to serve the static pages under /static and the Gradio app under /. Sep 11, 2020 · from fastapi import Depends, FastAPI from fastapi_utils. You need to actually serve the static files. 詳細. Equally you could do it using the approach above. If I can get this to work, I can get the rest to work. age: int. # Your main app must be first! The order of mounting of the app objects seems to matter. Apr 26, 2019 · Man, i faced this choice few days ago. The code is as follows: from typing import Optional. It is also built to work as a future reference. directory="static" は、静的ファイルを含むディレクトリの名前 21. I'm assuming this is something between how my webserver is setup and the mount function of FastAPI. For the OpenAPI docs, you'll have a /docs for the root app, and a /api/docs for your API app. Aug 25, 2020 · Under Unix, the directory entry for the file is either not created at all or is removed immediately after the file is created. Add it as a "middleware" to your FastAPI application. py static styles. html is hosted but import inside are not working. ) so there should NOT be any iteraction between a local frontend and backend like there is in this question. The route works fine if the output file is not in the temporary directory. Technical Details: root_path ¶ When you mount a sub-application as described above, FastAPI will take care of communicating the mount path for the sub-application using a mechanism from Jan 27, 2021 · Option 1: Static file mounting. For example, if we have a file named "dog1. [from official documentation]. But now I created the app using vite and there is no "publicPath" anymore but a "base" attribute for the vite. mount("/static", StaticFiles(directory="static")) Dockerfile: FROM python:3. Add the following content to it: fastapi redis types-redis uvicorn. html I connect. I use FastAPI Response for this, because FileResponse can only be used if files are in the file system. static directory will be used for placing all the static files required by the application. To achieve this, create main. I am running the application in a container with traefik. FileResponse to return the whole file—just like what I've Nov 12, 2023 · I followed this Azure sample code to create the FastAPI Python Azure Function: Azure Functions Python Create FastAPI App. 8+ non-Annotated. png. Consider the following structure; app/main. This means that it will work well for large files like images, videos, large binaries, etc. Add this environment variable to your docker-compose. Aug 15, 2022 · Then in the main. import zipfile. If you are using a regular def function, you can use the upload_file. A file uploaded in a request. py file inside app directory. Tutorial - User Guide. I already searched in Google "How to X in FastAPI" and didn't find any information. from fastapi import FastAPI, Depends. Create a list of allowed origins (as strings). file attribute to access the raw standard Python file (blocking, not async), useful and needed for non Mar 16, 2024 · I need to download files stored in MongoDB (and not in file system) using FastAPI. How could I extend the CORS to this mount serving static files. Hi, in case a solution is still needed, though the issue is closed, i propose the following way to serve files (for react): put your react-scripts build in a "frontend/build" folder and serve with the following FastAPI app. js React front end. Define it as a path operation function (or dependency) parameter. add_middleware(CORSMiddleware) Jul 12, 2022 · I have a project that uses a fastapi backend and a vite. Here is a complete example of how to do that: file_name = f"{datetime. If you could reach out to them and see how to serve a static css file, that should solve the issue you're seeing. app = FastAPI(title="static_api") app. Aug 3, 2023 · FastAPI Version [e. js had this, to make it work properly: module. – datawookie 2 days ago · FastAPI is a modern, fast (high-performance), web framework for building APIs with Python based on standard Python type hints. If you need FastAPI to serve the static resource, look at the static file support of FastAPI; otherwise - please elaborate what you're missing and how you're servering your HTML now. staticfiles for convenience. Everything works fine when tested locally, but upon deploying to Azure Mar 7, 2023 · The following code will help us to display the static images on the frontend. Create file and form parameters the same way you would for Body or Query: Python 3. gz) from FastAPI backend. To activate the virtual environment we just created, run the command below: source env/bin/activate. For example: When we run in pytest: "C:\Users\user\PycharmProjects\application\static\def_Sys\colors. May 27, 2023 · With this code, any files placed in the “static” directory will be accessible via the /static URL path. abspath("static\def_Sys\colors. Feb 26, 2022 · I am not sure FastAPI/Starlette exposes functionality to do that out of the box. 7. staticfiles instead of starlette. /routes containing my person. Please have a look at those references for more details. async def endpoint Mar 18, 2023 · When using FastAPI all files in my static folder are served over HTTP and not HTTPS. When I open app on the server where I host it - all formattings are correct, but when I tried to open app from another PC I lose all formats. files = {} def remove_file(filepath, fileId): Feb 26, 2021 · My models directory is at . html: Dec 23, 2020 · 18. I'm hosting using Apache, with a domain, static IP, and https Jul 30, 2021 · In this example I will show you how to upload, download, delete and obtain files with FastAPI. txt. To Reproduce from typing import Any from fastapi import FastAPI, Request, APIRouter from fastapi. May 16, 2023 · with the same HTML file, I click on the download button, and I get detail: "Method Not Allowed" because it is doing INFO: 127. Use the below command to Jul 11, 2019 · Fastapi, on the other hand, is backend and therefore is only affected by the server-side changes (e. This class is derived directly from Starlette; we can simply import that class from fastapi. js and hard-coding it in the API response or serving as a static file should work without modifying CORS). Jan 25, 2021 · I searched the FastAPI documentation, with the integrated search. You need to configure your nginx and fastapi accordingly! Solution to SSR's. staticfiles as fastapi. from typing import Annotated from fastapi import FastAPI, File, Form, UploadFile app = FastAPI() @app. I'm not sure it makes sense to mount it on an APIRouter as the features of that class (default dependencies, response models) don Nov 23, 2022 · I want to write a minimal FastAPI static file server launched from a script that allows you to specify the directory to share on the command line. TemplateResponse("index. Code: from starlette. py from fastapi import FastAPI from fastapi. strftime('%s')}. In a 'real world' scenario you would probably leave serving these files to a reverse proxy, like nginx. Multiple things are causing problems but I've included the most basic part I want to get working. g. exports = { publicPath: "/static/", }; So the publicPath was necessary to make it work in vue2 using vue cli. Would it be possible to include the swagger-ui-bundle. I like FastAPI Login. def __get_url(self, image, request: Request): return request. If this was the problem it wouldn't have worked at all. staticfiles import StaticFiles from Jun 28, 2022 · I see the functions for uploading in an API, but I don't see how to download. html This is the contents of index. It was easier than expected. include_router(folder1_main. Sep 10, 2022 · In case of FastAPI (which is not a must in my case), this solution worked great for APIs. For example, you can use the following code to serve static assets in a directory named public: # main. add code in this file. Define File and Form parameters. js. without consuming all the memory. css file is creating specifically for your app and it might differ from app to app, so it wouldn't be available on a CDN. staticfiles module. responses import StreamingResponse. RuntimeError: File at path /tmp/tmpp5x_p4n9/out. I am working with an APIRouter, the idea is to modularize, to have everything separated. May 24, 2020 · A StaticFiles is a sub-application, not a Route. It works great couse my servece send files 50 - 200 KB. html", {"request": request}) In the file index. app = FastAPI() Aug 22, 2022 · As for the file(s), you can check whether file_. Jan 10, 2022 · Update. html. config. I did this and did not work since it's not from the same directory. Save the file ( ⌘S (Windows, Linux Ctrl+S)) and name it requirements. . Jun 20, 2021 · Hello everyone, there is something that I am not quite understanding and it is when working with static files. I'm going to close this issue as it doesn't seem related to Gradio, but rather Railway. from fastapi import FastAPI, Request from fastapi. multipart_filename is not empty; however, since a filename could likely not be included in the Content-Disposition by some user, you may also want to check if the file exists in the filesystem, using os. When I do the mount of the static files, it does not generate any error, but when I use Jinja2 to render a template that has a static file, it FastAPI framework, high performance, easy to learn, fast to code, ready for production - tiangolo/fastapi Media files (. json"),'r') as f: The application run, but the tests can't find the path to this static file. After that i came to Response variant. docs import ( get_redoc_html, get_swagger_ui_html, get_swagger_ui_oauth2_redirect_html, ) app = FastAPI(docs_url=None, redoc_url=None Jul 14, 2022 · Now once done, you can use this NGINX documentation to serve the built static file. You can configure it in your FastAPI application using the CORSMiddleware. from fastapi import FastAPI. static/css/main. staticfiles just as a convenience for you, the developer. This seems to be an issue with mount when using StaticFiles. staticfiles import StaticFiles from fastapi. Oct 10, 2023 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Oct 30, 2023 · everybody! I have the following application structure in Fastapi: All directories are on the same level. you can find answer from this: fastapi cors. app = FastAPI() Oct 5, 2023 · html directory will be used for saving all HTML files. url_for('static', path=f"app/images/{image}") this is how I am running my container & mounting volumes to it - Jun 29, 2021 · I am trying to render a few things in HTML. How can I make it work or is my way of thinking completely wrong? Thank you in advance. I was wondering if there is a quick solution to the config of app. templating import Jinja2Templates def serve_react_app(app: FastAPI, build_dir: Union[Path, str]) -> FastAPI: """Serves a React application in the root directory `/` Args: app: FastAPI application The setup_app function in main. post("/files/") async def create_file( file: Annotated[bytes, File()], fileb Oct 13, 2012 · Question I am running the program on windows 11 PC with WSL2 Ubuntu 22. 0. But here's a link with the best auth modules for fastapi. fileDownload(r. UploadFile(file, *, size=None, filename=None, headers=None) Bases: UploadFile. py file that has my BaseModel definition. To disable them, set their URLs to None when creating your FastAPI app: from fastapi import FastAPI from fastapi. 7; Additional Comments. FastAPI Auth Jan 14, 2021 · Thanks for the help here everyone! 👏 🙇. app = FastAPI() Jul 7, 2019 · The following line should work too on Linux: app. cbv import cbv from fastapi_utils. Hence, while mounting api_app to /api, and then the StaticFiles instance/app to / (i. examples/fastapi/static-files/main. py file with this code: return templates. json" If you try interacting with any of the two user interfaces, they will work correctly, because the browser will be able to talk to each specific app or sub-app. Hope it helps. The app is functioning fully it is just the connection to the FastAPI default docs page that doesn't work. It has a file-like async interface. 0]: 0. I already checked if it is not related to FastAPI but to Pydantic. html into static folder in project directory and mount static files. On local env,it works correctly, but the response always changed after i just call changeResponse once when i build this on docker. Mentioned solution for API Jan 2, 2024 · My vue. read(), media_type=kind[0]) This is my front end just using a simple axios get and file download library. . Mar 10, 2021 · Im not sure you can add basic authentication to the route itself I add it directly to the endpoint. But if I try to put the output file in the temporary directory, the FileResponse can't find it, and requests fail. I currently have each dockerized as image. mount("/static", StaticFiles(directory=". 3 LTS and am running the flet_fastapi app using uvicorn. 1; Python version: 3. png, . from src. from fastapi. – Jul 7, 2019 · This is really important for my home project to make sense so any input is really appreciated because I'm stuck on this. RedirectResponse will not work here, since services are not available outside of docker inner network. import os. I have set CORS middleware in my FastAPI program. 3. Mar 19, 2021 · Our team is struggling to get fastapi-versioning working in our environment since we are serving static assets for our frontend and docs. Hence, you should create a background task function, as shown below: from fastapi import BackgroundTasks. Create an outer (root) FastAPI app and mount the StaticFiles app and your existing FastAPI app inside of it. – Basically, we are informing fastapi that we are going to keep all our static files in a folder named 'static' and whenever it has to search for a static file, say an image, don't search here and there. css style. personModel. 8+ Python 3. good luck! Basically, we are informing fastapi that we are going to keep all our static files in a folder named 'static' and whenever it has to search for a static file, say an image, don't search here and there. I would go further and try use StreamingResponse to display HTML page with static files and hyperlinks generated dynamically. You can get metadata from the uploaded file. 1" 405 Method Not Allowed. Additionally, I implemented the timer-scheduled trigger using the code suggested in this GitHub issue: Azure/azure-functions-python-worker#1284. The html template itself is loaded, but the css files are not visible. templates/index. /models containing my personModel. Downloading works, but I cannot find a way to specify the filename when downloading it. 9+ Python 3. html". Aug 31, 2022 · I am trying to download a large file (. cors import CORSMiddleware. Mar 16, 2023 · You can’t serve the static pages direct from Gradio, but you can mount Gradio within another FastAPI app. On server side, I simply validate the filepath, and I then use Starlette. json. Thanks for reporting back and closing the issue @Bryan-u-2 👍. kn xf go no lp ik mv cm cp ge