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onnx-web/api/onnx_web/utils.py

125 lines
3.4 KiB
Python

import gc
from logging import getLogger
from os import environ, path
from typing import Any, Dict, List, Optional, Union
import torch
from .params import SizeChart
logger = getLogger(__name__)
class ServerContext:
def __init__(
self,
bundle_path: str = ".",
model_path: str = ".",
output_path: str = ".",
params_path: str = ".",
cors_origin: str = "*",
num_workers: int = 1,
block_platforms: List[str] = [],
default_platform: str = None,
image_format: str = "png",
) -> None:
self.bundle_path = bundle_path
self.model_path = model_path
self.output_path = output_path
self.params_path = params_path
self.cors_origin = cors_origin
self.num_workers = num_workers
self.block_platforms = block_platforms
self.default_platform = default_platform
self.image_format = image_format
@classmethod
def from_environ(cls):
return ServerContext(
bundle_path=environ.get(
"ONNX_WEB_BUNDLE_PATH", path.join("..", "gui", "out")
),
model_path=environ.get("ONNX_WEB_MODEL_PATH", path.join("..", "models")),
output_path=environ.get("ONNX_WEB_OUTPUT_PATH", path.join("..", "outputs")),
params_path=environ.get("ONNX_WEB_PARAMS_PATH", "."),
# others
cors_origin=environ.get("ONNX_WEB_CORS_ORIGIN", "*").split(","),
num_workers=int(environ.get("ONNX_WEB_NUM_WORKERS", 1)),
block_platforms=environ.get("ONNX_WEB_BLOCK_PLATFORMS", "").split(","),
default_platform=environ.get("ONNX_WEB_DEFAULT_PLATFORM", None),
image_format=environ.get("ONNX_WEB_IMAGE_FORMAT", "png"),
)
def base_join(base: str, tail: str) -> str:
tail_path = path.relpath(path.normpath(path.join("/", tail)), "/")
return path.join(base, tail_path)
def is_debug() -> bool:
return environ.get("DEBUG") is not None
def get_and_clamp_float(
args: Any, key: str, default_value: float, max_value: float, min_value=0.0
) -> float:
return min(max(float(args.get(key, default_value)), min_value), max_value)
def get_and_clamp_int(
args: Any, key: str, default_value: int, max_value: int, min_value=1
) -> int:
return min(max(int(args.get(key, default_value)), min_value), max_value)
def get_from_list(args: Any, key: str, values: List[Any]) -> Optional[Any]:
selected = args.get(key, None)
if selected in values:
return selected
logger.warn("invalid selection: %s", selected)
if len(values) > 0:
return values[0]
return None
def get_from_map(args: Any, key: str, values: Dict[str, Any], default: Any) -> Any:
selected = args.get(key, default)
if selected in values:
return values[selected]
else:
return values[default]
def get_not_empty(args: Any, key: str, default: Any) -> Any:
val = args.get(key, default)
if val is None or len(val) == 0:
val = default
return val
def get_size(val: Union[int, str, None]) -> SizeChart:
if val is None:
return SizeChart.auto
if type(val) is int:
return val
if type(val) is str:
for size in SizeChart:
if val == size.name:
return size
return int(val)
raise Exception("invalid size")
def run_gc():
logger.debug("running garbage collection")
gc.collect()
torch.cuda.empty_cache()