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api.py
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api.py
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from PIL.Image import Image
from fastapi import FastAPI, HTTPException
from fastapi import UploadFile
from fastapi.responses import StreamingResponse
import os
import numpy as np
from predict import generate_image, generate_latent_space, img_to_array, array_to_img
app = FastAPI()
@app.get("/")
async def index():
return {
"status": 200,
"content": {
"registry": {
"/compress": {
"method": "POST",
"description": "Compress an image",
"parameters": [
{
"name": "image",
"filetype": "image/png | image/jpeg",
}
],
"responses": {
"200": {
"description": "Compressed image",
"filetype": "npy",
}
}
},
"/decompress": {
"method": "POST",
"description": "Decompress an image",
"parameters": [
{
"name": "compressed image",
"filetype": "npy",
}
],
"responses": {
"200": {
"description": "Decompressed image",
"filetype": "image/png | image/jpeg",
}
}
},
"/regenerate": {
"method": "POST",
"description": "Regenerate an image",
"parameters": [
{
"name": "Input Image",
"filetype": "image/png | image/jpeg",
}
],
"responses": {
"200": {
"description": "Regenerated image",
"filetype": "image/png | image/jpeg",
}
}
}
}
}
}
@app.post("/compress")
async def compress(file: UploadFile):
print("INFO: Received image for compression : {}".format(file.filename))
img = Image.open(file.file)
img = img_to_array(img)
compressed_img = generate_latent_space(img)
# File name is the same as the original file but with .npy extension and send it back
return StreamingResponse(compressed_img, media_type="application/octet-stream", headers={"Content-Disposition": "attachment; filename={}".format(file.filename.split(".")[0] + ".npy")})
@app.post("/decompress")
async def decompress(file: UploadFile):
print("INFO: Received compressed image for decompression : {}".format(file.filename))
compressed_img = np.load(file.file)
decompressed_img = generate_image(compressed_img)
decompressed_img = array_to_img(decompressed_img)
# File name is the same as the original file but with .png extension and send it back as image with samefile name
return StreamingResponse(decompressed_img, media_type="image/png", headers={"Content-Disposition": "attachment; filename={}".format(file.filename.split(".")[0] + ".png")})
@app.post("/regenerate")
async def regenerate(file: UploadFile):
print("INFO: Received compressed image for regeneration : {}".format(file.filename))
image = Image.open(file.file)
image = img_to_array(image)
compressed_img = generate_latent_space(image)
decompressed_img = generate_image(compressed_img)
decompressed_img = array_to_img(decompressed_img)
# File name is the same as the original file but with .png extension and send it back as image with samefile name
return StreamingResponse(decompressed_img, media_type="image/png", headers={"Content-Disposition": "attachment; filename={}".format(file.filename.split(".")[0] + ".png")})