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fifa-tryon-demo / rembg /cli.py

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	import pathlib
	import sys
	import time
	from enum import Enum
	from typing import IO, cast

	import aiohttp
	import click
	import filetype
	import uvicorn
	from asyncer import asyncify
	from fastapi import Depends, FastAPI, File, Form, Query
	from fastapi.middleware.cors import CORSMiddleware
	from starlette.responses import Response
	from tqdm import tqdm
	from watchdog.events import FileSystemEvent, FileSystemEventHandler
	from watchdog.observers import Observer

	from . import _version
	from .bg import remove
	from .session_base import BaseSession
	from .session_factory import new_session


	@click.group()
	@click.version_option(version=_version.get_versions()["version"])
	def main() -> None:
	pass


	@main.command(help="for a file as input")
	@click.option(
	"-m",
	"--model",
	default="u2net",
	type=click.Choice(["u2net", "u2netp", "u2net_human_seg", "u2net_cloth_seg"]),
	show_default=True,
	show_choices=True,
	help="model name",
	)
	@click.option(
	"-a",
	"--alpha-matting",
	is_flag=True,
	show_default=True,
	help="use alpha matting",
	)
	@click.option(
	"-af",
	"--alpha-matting-foreground-threshold",
	default=240,
	type=int,
	show_default=True,
	help="trimap fg threshold",
	)
	@click.option(
	"-ab",
	"--alpha-matting-background-threshold",
	default=10,
	type=int,
	show_default=True,
	help="trimap bg threshold",
	)
	@click.option(
	"-ae",
	"--alpha-matting-erode-size",
	default=10,
	type=int,
	show_default=True,
	help="erode size",
	)
	@click.option(
	"-om",
	"--only-mask",
	is_flag=True,
	show_default=True,
	help="output only the mask",
	)
	@click.option(
	"-ppm",
	"--post-process-mask",
	is_flag=True,
	show_default=True,
	help="post process the mask",
	)
	@click.argument(
	"input", default=(None if sys.stdin.isatty() else "-"), type=click.File("rb")
	)
	@click.argument(
	"output",
	default=(None if sys.stdin.isatty() else "-"),
	type=click.File("wb", lazy=True),
	)
	def i(model: str, input: IO, output: IO, **kwargs) -> None:
	output.write(remove(input.read(), session=new_session(model), **kwargs))


	@main.command(help="for a folder as input")
	@click.option(
	"-m",
	"--model",
	default="u2net",
	type=click.Choice(["u2net", "u2netp", "u2net_human_seg", "u2net_cloth_seg"]),
	show_default=True,
	show_choices=True,
	help="model name",
	)
	@click.option(
	"-a",
	"--alpha-matting",
	is_flag=True,
	show_default=True,
	help="use alpha matting",
	)
	@click.option(
	"-af",
	"--alpha-matting-foreground-threshold",
	default=240,
	type=int,
	show_default=True,
	help="trimap fg threshold",
	)
	@click.option(
	"-ab",
	"--alpha-matting-background-threshold",
	default=10,
	type=int,
	show_default=True,
	help="trimap bg threshold",
	)
	@click.option(
	"-ae",
	"--alpha-matting-erode-size",
	default=10,
	type=int,
	show_default=True,
	help="erode size",
	)
	@click.option(
	"-om",
	"--only-mask",
	is_flag=True,
	show_default=True,
	help="output only the mask",
	)
	@click.option(
	"-ppm",
	"--post-process-mask",
	is_flag=True,
	show_default=True,
	help="post process the mask",
	)
	@click.option(
	"-w",
	"--watch",
	default=False,
	is_flag=True,
	show_default=True,
	help="watches a folder for changes",
	)
	@click.argument(
	"input",
	type=click.Path(
	exists=True,
	path_type=pathlib.Path,
	file_okay=False,
	dir_okay=True,
	readable=True,
	),
	)
	@click.argument(
	"output",
	type=click.Path(
	exists=False,
	path_type=pathlib.Path,
	file_okay=False,
	dir_okay=True,
	writable=True,
	),
	)
	def p(
	model: str, input: pathlib.Path, output: pathlib.Path, watch: bool, **kwargs
	) -> None:
	session = new_session(model)

	def process(each_input: pathlib.Path) -> None:
	try:
	mimetype = filetype.guess(each_input)
	if mimetype is None:
	return
	if mimetype.mime.find("image") < 0:
	return

	each_output = (output / each_input.name).with_suffix(".png")
	each_output.parents[0].mkdir(parents=True, exist_ok=True)

	if not each_output.exists():
	each_output.write_bytes(
	cast(
	bytes,
	remove(each_input.read_bytes(), session=session, **kwargs),
	)
	)

	if watch:
	print(
	f"processed: {each_input.absolute()} -> {each_output.absolute()}"
	)
	except Exception as e:
	print(e)

	inputs = list(input.glob("*/"))
	if not watch:
	inputs = tqdm(inputs)

	for each_input in inputs:
	if not each_input.is_dir():
	process(each_input)

	if watch:
	observer = Observer()

	class EventHandler(FileSystemEventHandler):
	def on_any_event(self, event: FileSystemEvent) -> None:
	if not (
	event.is_directory or event.event_type in ["deleted", "closed"]
	):
	process(pathlib.Path(event.src_path))

	event_handler = EventHandler()
	observer.schedule(event_handler, input, recursive=False)
	observer.start()

	try:
	while True:
	time.sleep(1)

	finally:
	observer.stop()
	observer.join()


	@main.command(help="for a http server")
	@click.option(
	"-p",
	"--port",
	default=5000,
	type=int,
	show_default=True,
	help="port",
	)
	@click.option(
	"-l",
	"--log_level",
	default="info",
	type=str,
	show_default=True,
	help="log level",
	)
	def s(port: int, log_level: str) -> None:
	sessions: dict[str, BaseSession] = {}
	tags_metadata = [
	{
	"name": "Background Removal",
	"description": "Endpoints that perform background removal with different image sources.",
	"externalDocs": {
	"description": "GitHub Source",
	"url": "https://github.com/danielgatis/rembg",
	},
	},
	]
	app = FastAPI(
	title="Rembg",
	description="Rembg is a tool to remove images background. That is it.",
	version=_version.get_versions()["version"],
	contact={
	"name": "Daniel Gatis",
	"url": "https://github.com/danielgatis",
	"email": "danielgatis@gmail.com",
	},
	license_info={
	"name": "MIT License",
	"url": "https://github.com/danielgatis/rembg/blob/main/LICENSE.txt",
	},
	openapi_tags=tags_metadata,
	)

	app.add_middleware(
	CORSMiddleware,
	allow_credentials=True,
	allow_origins=["*"],
	allow_methods=["*"],
	allow_headers=["*"],
	)

	class ModelType(str, Enum):
	u2net = "u2net"
	u2netp = "u2netp"
	u2net_human_seg = "u2net_human_seg"
	u2net_cloth_seg = "u2net_cloth_seg"

	class CommonQueryParams:
	def __init__(
	self,
	model: ModelType = Query(
	default=ModelType.u2net,
	description="Model to use when processing image",
	),
	a: bool = Query(default=False, description="Enable Alpha Matting"),
	af: int = Query(
	default=240,
	ge=0,
	le=255,
	description="Alpha Matting (Foreground Threshold)",
	),
	ab: int = Query(
	default=10,
	ge=0,
	le=255,
	description="Alpha Matting (Background Threshold)",
	),
	ae: int = Query(
	default=10, ge=0, description="Alpha Matting (Erode Structure Size)"
	),
	om: bool = Query(default=False, description="Only Mask"),
	ppm: bool = Query(default=False, description="Post Process Mask"),
	):
	self.model = model
	self.a = a
	self.af = af
	self.ab = ab
	self.ae = ae
	self.om = om
	self.ppm = ppm

	class CommonQueryPostParams:
	def __init__(
	self,
	model: ModelType = Form(
	default=ModelType.u2net,
	description="Model to use when processing image",
	),
	a: bool = Form(default=False, description="Enable Alpha Matting"),
	af: int = Form(
	default=240,
	ge=0,
	le=255,
	description="Alpha Matting (Foreground Threshold)",
	),
	ab: int = Form(
	default=10,
	ge=0,
	le=255,
	description="Alpha Matting (Background Threshold)",
	),
	ae: int = Form(
	default=10, ge=0, description="Alpha Matting (Erode Structure Size)"
	),
	om: bool = Form(default=False, description="Only Mask"),
	ppm: bool = Form(default=False, description="Post Process Mask"),
	):
	self.model = model
	self.a = a
	self.af = af
	self.ab = ab
	self.ae = ae
	self.om = om
	self.ppm = ppm

	def im_without_bg(content: bytes, commons: CommonQueryParams) -> Response:
	return Response(
	remove(
	content,
	session=sessions.setdefault(
	commons.model.value, new_session(commons.model.value)
	),
	alpha_matting=commons.a,
	alpha_matting_foreground_threshold=commons.af,
	alpha_matting_background_threshold=commons.ab,
	alpha_matting_erode_size=commons.ae,
	only_mask=commons.om,
	post_process_mask=commons.ppm,
	),
	media_type="image/png",
	)

	@app.get(
	path="/",
	tags=["Background Removal"],
	summary="Remove from URL",
	description="Removes the background from an image obtained by retrieving an URL.",
	)
	async def get_index(
	url: str = Query(
	default=..., description="URL of the image that has to be processed."
	),
	commons: CommonQueryParams = Depends(),
	):
	async with aiohttp.ClientSession() as session:
	async with session.get(url) as response:
	file = await response.read()
	return await asyncify(im_without_bg)(file, commons)

	@app.post(
	path="/",
	tags=["Background Removal"],
	summary="Remove from Stream",
	description="Removes the background from an image sent within the request itself.",
	)
	async def post_index(
	file: bytes = File(
	default=...,
	description="Image file (byte stream) that has to be processed.",
	),
	commons: CommonQueryPostParams = Depends(),
	):
	return await asyncify(im_without_bg)(file, commons)

	uvicorn.run(app, host="0.0.0.0", port=port, log_level=log_level)