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fastapi/fastapi

2,989 files 10 languages 389,528 total lines @5f9fc5c analysed just now
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01Overview

fastapi · 261,330 lines of actual code
2,989
Files
261,330
Code lines
8,903
Comments
10
Languages
3,447
Complexity
44
Secrets
Line Composition 389,528 total lines
Code261,33067.1%
Blank119,29530.6%
Comments8,9032.3%
~99%
tokens saved
Reading fastapi/fastapi via an LLM
~1.8M tokens → ~1.4k tokens via code_analyze

The entire repo summarised by code_analyze — structured JSON in <2k tokens. The dossier above is built from one call. Drill into specifics with code_search.

02Languages & Tech Stack

what it’s written in, what it depends on

Language Breakdown

Language
Files
Code
Share
Markdown
1,705
145,194
55.6%
Python
1,166
94,648
36.2%
SVG
56
12,815
4.9%
YAML
42
7,096
2.7%
CSS
3
551
0.2%
JavaScript
4
463
0.2%
TOML
1
356
0.1%
HTML
5
170
0.1%
Shell
5
19
0.0%
+ 1 more
—
17
·

Tech Stack  (31 detected)

FastAPI 855 pytest 292 Pydantic 234 Starlette 50 Typer 16 unittest.mock / mock 15 Playwright (Python) 12 Pydantic Settings 12 HTTPX 11 AnyIO 9 PyYAML 5 PyJWT 4 SQLAlchemy 3 Flask 1 GitPython 1 Jinja2 1 Node.js File System 1 Rich 1 Strawberry GraphQL 1 Uvicorn 1 Standard Library 40411 modules

03Notable Files

where complexity and size live

Most Complex

FileLinesCx
fastapi/routing.py3,892456
fastapi/dependencies/utils.py911208
scripts/docs.py706156
fastapi/telemetry/_asgi.py410145
fastapi/openapi/utils.py638117
tests/test_telemetry/test_runtime.py54773
fastapi/_compat/v2.py39868
fastapi/_compat/shared.py17267
docs/en/docs/js/custom.js23364
tests/test_telemetry/test_environment_integrations.py22561

Largest

FileLinesCx
tests/test_include_router_defaults_overrides.py7,20719
docs/en/docs/release-notes.md5,4030
fastapi/routing.py3,892456
docs/en/docs/img/sponsors/jina.svg1,9810
fastapi/applications.py1,91434
docs/en/data/translation_reviewers.yml1,8850
tests/test_generate_unique_id_function.py1,6443
fastapi/param_functions.py1,3790
docs/en/docs/img/sponsors/cryptapi-banner.svg1,3750
tests/test_application.py1,2710

04Code Quality

style, correctness, and maintainability findings

By Severity & Category

Warning
12
Info
976
Error
0
Total
988
By Category
accessibility 50 correctness 37 maintainability 894 performance 7

Top Findings

Use of !important detected; avoid overriding specificity with safer cascade management
docs/en/docs/css/custom.css:98
ID selector detected; prefer class selectors for reusability and lower specificity ×3
docs/en/docs/css/custom.css:170 + 2 more
Remove event listeners when no longer needed to prevent memory leaks
docs/en/docs/js/custom.js:110

05Secrets & Credentials

pattern-based scan for hardcoded secrets
generic-password — Detected a potential hardcoded password literal, which may expose account credentials.
docs/hi/docs/tutorial/security/simple-oauth2.md:249
generic-password — Detected a potential hardcoded password literal, which may expose account credentials.
docs/hi/docs/tutorial/security/simple-oauth2.md:269
jwt — Uncovered a JSON Web Token, which may lead to unauthorized access to web applications and sensitive user data.
docs/en/docs/tutorial/security/oauth2-jwt.md:16
generic-password — Detected a potential hardcoded password literal, which may expose account credentials.
docs/ru/docs/tutorial/security/simple-oauth2.md:233
generic-password — Detected a potential hardcoded password literal, which may expose account credentials.
docs/pt/docs/tutorial/security/simple-oauth2.md:249

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