api-profiler 0.1.7

Django profiling middleware CLI tool

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🌀 API Profiler

A plug-and-play Django middleware profiler that tracks API performance, SQL query behavior, and more — all without code changes or server restarts.

Perfect for developers who want real-time insight into their API behavior during development.

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✨ Features

• ✅ Profiles total request execution time
• ✅ Logs detailed SQL queries per request
• ✅ Detects N+1 issues with repeated query tracking
• ✅ Beautiful, structured console logs (headers, body, SQL, etc.)
• ✅ No code changes — injects middleware at runtime
• ✅ Global CLI-based usage via profile run

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📦 Installation

Once published:

pip install api-profiler

For local development (from repo root):

pip install dist/api_profiler-0.1.0-py3-none-any.whl

Or install in editable mode:

pip install -e .

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🚀 Usage

From your Django project folder, use the CLI to control profiling:

Step 1: Start Django with profiling

profile run

Step 2: In another terminal, toggle profiling live

# Activate all metrics
profile --set all

# Deactivate all
profile --unset all

# Enable specific profiling
profile --set sql response-headers

# Disable specific profiling
profile --unset sql response-body

⚡ This works on the live running server — no restart required.

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🧠 What It Profiles

Metric	Description
sql	Query count, total time, repeated queries
headers	Request and response headers
params / body	URL params and request body
response	Response content and size
response-headers	Response headers
all	Enables or disables all of the above

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📊 Sample Output

[INFO] METHOD: GET     PATH: /users/
[INFO] Headers:
    Content-Type: text/plain
    Host: 127.0.0.1:8000
    ...
[INFO] Body: Size: 0 bytes
--------------------------------------------------------------------------------
SQL Queries Summary
Path     : /users/
Total    : 10 queries
[001]
SELECT ... FROM auth_user
       Repeated: 10x | Total Time: 0.000 sec

Total Execution Time: 0.000 sec
--------------------------------------------------------------------------------
[INFO] Response: [] Size: 2 bytes
[INFO] Status: 200 Total time taken: 0.005 seconds

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🛠️ How It Works

• 🧩 Middleware Injection: Runtime patching (no settings.py modification)
• 📡 Live Toggle: CLI commands modify profiling behavior in real time
• ⚙️ Auto Project Detection: Automatically detects Django apps in the current directory
• 📋 Clean Logging: Powered by logging.config.dictConfig

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🔧 Developer Setup

git clone https://github.com/Av-sek/api-profiler.git
cd api_profiler
pip install -e .

# OR build and install from source
pip install --upgrade build
python -m build
pip install dist/api_profiler-0.1.0-py3-none-any.whl

To use on your Django app:

profile run

👤 Author

Abhishek Ghorashainee 🔗 GitHub · 🔗 LinkedIn

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📄 License

MIT License — open to all contributions.

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