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main.py
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"""
FastAPI-0.61.2
Main Script for GET and POST Request Route.
"""
import os
import cv2
import shutil
from PIL import Image
from os.path import join as joinpath
from fastapi import FastAPI, File, UploadFile, Form, status
from fastapi.responses import FileResponse
from fastapi.openapi.utils import get_openapi
import settings
from settings import UPLOADS_DIR, base_url
from utils import faceDetectionv1, faceDetectionv2
from utils import faceFilterv1, faceFilterv2
app = FastAPI()
@app.get("/")
async def home():
""" OpenCV FaceFilter RestAPI"""
return (
{
"title": settings.title,
"api_version": settings.api_version,
"documentation": f"{settings.documentation_url}",
"face_filter_v1": f"{base_url}/api/v1/facefilter",
"face_detection_v1": f"{base_url}/api/v1/facedetection",
"face_detection_v2": f"{base_url}/api/v2/facedetection",
"author": "Deepak Raj",
"github": "https://github.com/py-contributors",
"email": "[email protected]",
"supported_image_type": "{Jpg, Png}",
"time": settings.current_time,
}
)
@app.get('/api/v1/facedetection/')
async def face_detection_version_1_get():
return (
{
"title": "Face Detection Version 1",
"API Version": settings.api_version,
"status": "Create post request for face-detection",
"documentation": f"{settings.documentation_url}",
}
)
@app.post('/api/v1/facedetection/', status_code=status.HTTP_201_CREATED)
async def face_detection_version_1(image: UploadFile = File(None,
media_type='image/jpeg')):
if image.content_type == 'image/jpeg':
filename = image.filename
image_path = joinpath(UPLOADS_DIR, filename)
with open(image_path, 'wb') as buffer:
shutil.copyfileobj(image.file, buffer)
preprocess_img, _ = faceDetectionv1(image_path)
# change BGR image RGb
preprocess_img = cv2.cvtColor(preprocess_img, cv2.COLOR_BGR2RGB)
output_image = Image.fromarray(preprocess_img, "RGB")
output_image.save(image_path)
return {
"title": settings.title,
"api_version": settings.api_version,
"file_name": filename,
"output_image_url": f"{base_url}/uploads/{filename}",
"time": settings.current_time,
"documentation": f"{settings.documentation_url}",
}
return {
'status': 'Input File is not A Image'
}
@app.get('/api/v2/facedetection/')
async def face_detection_version_2_get():
return (
{
"title": "Face Detection Version 2",
"API Version": settings.api_version,
"status": "Create post request for face-detection",
"documentation": f"{settings.documentation_url}",
}
)
@app.post('/api/v2/facedetection/', status_code=status.HTTP_201_CREATED)
async def face_detection_version_2(image: UploadFile = File(None,
media_type='image/jpeg')):
if image.content_type == 'image/jpeg':
filename = image.filename
image_path = joinpath(UPLOADS_DIR, filename)
with open(image_path, 'wb') as buffer:
shutil.copyfileobj(image.file, buffer)
preprocess_img = faceDetectionv2(image_path)
# change BGR image RGb
preprocess_img = cv2.cvtColor(preprocess_img, cv2.COLOR_BGR2RGB)
output_image = Image.fromarray(preprocess_img, "RGB")
output_image.save(image_path)
return {
"title": settings.title,
"api_version": settings.api_version,
"file_name": filename,
"output_image_url": f"{base_url}/uploads/{filename}",
"time": settings.current_time,
"documentation": f"{settings.documentation_url}",
}
return {
'status': 'Input File is not A Image'
}
@app.get('/api/v1/facefilter/')
async def face_filter_version_1_get():
return (
{
"title": "Face Detection Version 1",
"API Version": settings.api_version,
"status": "Create post request for face-detection",
"documentation": f"{settings.documentation_url}",
}
)
@app.post('/api/v1/facefilter/', status_code=status.HTTP_201_CREATED)
async def face_filter_version_1(image: UploadFile = File(None,
media_type='image/jpeg'),
mask_num: int = Form(...)):
if image.content_type == 'image/jpeg':
filename = image.filename
image_path = joinpath(UPLOADS_DIR, filename)
with open(image_path, 'wb') as buffer:
shutil.copyfileobj(image.file, buffer)
preprocess_img = faceFilterv1(image_path, mask_num)
# change BGR image RGb
preprocess_img = cv2.cvtColor(preprocess_img, cv2.COLOR_BGR2RGB)
output_image = Image.fromarray(preprocess_img, "RGB")
output_image.save(image_path)
return {
"title": settings.title,
"api_version": settings.api_version,
"file_name": filename,
"output_image_url": f"{base_url}/uploads/{filename}",
"time": settings.current_time,
"documentation": f"{settings.documentation_url}",
}
return {
'status': 'Input File is not A Image'
}
@app.post('/api/v1/facefilter/', status_code=status.HTTP_201_CREATED)
async def face_filter_version_2(image: UploadFile = File(None,
media_type='image/jpeg'),
mask_num: int = Form(...)):
if image.content_type == 'image/jpeg':
filename = image.filename
image_path = joinpath(UPLOADS_DIR, filename)
with open(image_path, 'wb') as buffer:
shutil.copyfileobj(image.file, buffer)
preprocess_img = faceFilterv2(image_path, mask_num)
# change BGR image RGb
preprocess_img = cv2.cvtColor(preprocess_img, cv2.COLOR_BGR2RGB)
output_image = Image.fromarray(preprocess_img, "RGB")
output_image.save(image_path)
return {
"title": settings.title,
"api_version": settings.api_version,
"file_name": filename,
"output_image_url": f"{base_url}/uploads/{filename}",
"time": settings.current_time,
"documentation": f"{settings.documentation_url}",
}
return {
'status': 'Input File is not A Image'
}
@app.get('/uploads/{image_dest}/')
async def get_img_from_server(image_dest):
return FileResponse(f"uploads/{image_dest}")
@app.get("/uploads/{image_dest}/delete/")
async def delete_image_from_server(image_dest):
""" Delete image from serer """
try:
os.remove(joinpath(UPLOADS_DIR, image_dest))
except Exception as error:
print(error)
return ({"file_name": image_dest, "delete_it_from_server": True})
@app.get("/command/delete/")
async def delete_dir_from_server():
"""
Command for recreate uploads directory,s
It's not for production purpose.
"""
settings.recreate_uploads_dir()
return ({"status": "clearning uploads folder"})
@app.get("/command/show/")
async def show_dir_status():
""" Show content of uploads dir """
image_name = os.listdir(UPLOADS_DIR)
return (
{"total_image": len(image_name), "image_name": image_name}
)
""" empty the uploads dir if total no. of image is more than 50. """
if settings.num_of_image_on_server > 50:
settings.recreate_uploads_dir()
def custom_openapi():
if app.openapi_schema:
return app.openapi_schema
openapi_schema = get_openapi(
title="OpenCV-API",
version="0.0.2-alpha",
description="Rest API for Face Detection and Face Filters using ",
routes=app.routes,
)
openapi_schema["info"]["x-logo"] = {
"url": "https://fastapi.tiangolo.com/img/logo-margin/logo-teal.png"
}
app.openapi_schema = openapi_schema
return app.openapi_schema
app.openapi = custom_openapi