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feat(assets): ✨ assets and assets downloader add-on for supervision[assets]

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Signed-off-by: Onuralp SEZER <thunderbirdtr@gmail.com>
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Onuralp SEZER committed 2023-10-14 01:39:25 +03:00
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commit 2ab5941cbc
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@@ -493,7 +493,6 @@ files = [
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@@ -3294,6 +3270,26 @@ files = [
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]
[[package]]
name = "tqdm"
version = "4.66.1"
description = "Fast, Extensible Progress Meter"
optional = false
python-versions = ">=3.7"
files = [
{file = "tqdm-4.66.1-py3-none-any.whl", hash = "sha256:d302b3c5b53d47bce91fea46679d9c3c6508cf6332229aa1e7d8653723793386"},
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]
[package.dependencies]
colorama = {version = "*", markers = "platform_system == \"Windows\""}
[package.extras]
dev = ["pytest (>=6)", "pytest-cov", "pytest-timeout", "pytest-xdist"]
notebook = ["ipywidgets (>=6)"]
slack = ["slack-sdk"]
telegram = ["requests"]
[[package]]
name = "traitlets"
version = "5.9.0"
@@ -3520,4 +3516,4 @@ desktop = ["opencv-python"]
[metadata]
lock-version = "2.0"
python-versions = ">=3.8,<3.12.0"
content-hash = "beb692d89611ce85f8b2992f4e6da71fd14fa2ca75742ddae1a1c7b77df134f7"
content-hash = "88f2cd2cce563de66fa9ea5b877ff83a971047b33d2860dd9964e463fd4c1433"
pyproject.toml
+3 -1
View File
@@ -43,11 +43,13 @@ pillow = ">=9.4,<11.0"
opencv-python = { version = "^4.8.0.74", optional = true }
opencv-python-headless = "^4.8.0.74"
scipy = "^1.9.0"
requests = { version = "^2.31.0", optional = true }
tqdm = { version = "^4.66.1", optional = true }
[tool.poetry.extras]
desktop = ["opencv-python"]
assets = ["requests","tqdm"]
[tool.poetry.group.dev.dependencies]
twine = "^4.0.2"
supervision/assets/__init__.py
+2
View File
@@ -0,0 +1,2 @@
from .asset_list import VideoAssets
from .downloader import download_assets
supervision/assets/asset_list.py
+45
View File
@@ -0,0 +1,45 @@
from enum import Enum
BASE_VIDEO_URL = "https://media.roboflow.com/supervision/video-examples/"
class VideoAssets(Enum):
VEHICLES = "vehicles.mp4"
MILK_1 = "milk-video-1.mp4"
VEHICLES_2 = "vehicles-2.mp4"
GROCERY_STORE = "grocery-store.mp4"
SUBWAY = "subway.mp4"
MARKET_SQUARE = "market-square.mp4"
PEOPLE_WALKING_BW = "people-walking-bw.mp4"
VIDEO_ASSETS: dict[str : tuple[str]] = {
VideoAssets.VEHICLES.value: (
f"{BASE_VIDEO_URL}{VideoAssets.VEHICLES.value}",
"8155ff4e4de08cfa25f39de96483f918",
),
VideoAssets.VEHICLES_2.value: (
f"{BASE_VIDEO_URL}{VideoAssets.VEHICLES_2.value}",
"830af6fba21ffbf14867a7fea595937b",
),
VideoAssets.MILK_1.value: (
f"{BASE_VIDEO_URL}{VideoAssets.MILK_1.value}",
"9e8fb6e883f842a38b3d34267290bdc7",
),
VideoAssets.GROCERY_STORE.value: (
f"{BASE_VIDEO_URL}{VideoAssets.GROCERY_STORE.value}",
"11402e7b861c1980527d3d74cbe3b366",
),
VideoAssets.SUBWAY.value: (
f"{BASE_VIDEO_URL}{VideoAssets.SUBWAY.value}",
"453475750691fb23c56a0cffef089194",
),
VideoAssets.MARKET_SQUARE.value: (
f"{BASE_VIDEO_URL}{VideoAssets.MARKET_SQUARE.value}",
"859179bf4a21f80a8baabfdb2ed716dc",
),
VideoAssets.PEOPLE_WALKING_BW.value: (
f"{BASE_VIDEO_URL}{VideoAssets.PEOPLE_WALKING_BW.value}",
"0574c053c8686c3f1dc0aa3743e45cb9",
),
}
supervision/assets/downloader.py
+99
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@@ -0,0 +1,99 @@
from functools import partial
from hashlib import md5
from os import remove as os_remove
from os.path import exists as path_exists
from pathlib import Path
from shutil import copyfileobj
from typing import Union
from supervision.assets import VideoAssets
from supervision.assets.asset_list import VIDEO_ASSETS
try:
from requests import Response, get
from tqdm.auto import tqdm
except ImportError:
raise ValueError(
"\n"
"Please install requests and tqdm to download assets \n"
"or install supervision with assets \n"
"pip install supervision[assets] \n"
"\n"
)
# md5 check function
def _check_md5(filename: str, orig_md5: str) -> bool:
"""
filename: str, A string representing the path to the file.
orig_md5: str, A string representing the original md5 hash.
"""
if not path_exists(filename):
return False
with open(filename, "rb") as file_to_check:
# read contents of the file
data = file_to_check.read()
# pipe contents of the file through
md5_returned = md5(data).hexdigest()
# Return True if the computed hash matches the original one
if md5_returned == orig_md5:
return True
return False
def download_assets(asset_name: Union[VideoAssets, str]) -> str:
"""
asset_name: VIDEO_ASSETS, name of the file to download
"""
filename = f"{asset_name}"
if not path_exists(filename) and asset_name in VIDEO_ASSETS:
print(f"Downloading {filename} assets \n")
res: Response = get(
VIDEO_ASSETS[asset_name][0], stream=True, allow_redirects=True
)
if res.status_code != 200:
res.raise_for_status()
raise RuntimeError(
f"Request to {VIDEO_ASSETS[asset_name][0]} "
f"returned status code {res.status_code}"
)
file_size: int = int(res.headers.get("Content-Length", 0))
folder_path: Path = Path(filename).expanduser().resolve()
folder_path.parent.mkdir(parents=True, exist_ok=True)
desc = "(Unknown total file size)" if file_size == 0 else ""
res.raw.read = partial(
res.raw.read, decode_content=True
) # Decompress if needed
with tqdm.wrapattr(
res.raw,
"read",
total=file_size,
desc=desc,
colour="a351fb",
) as r_raw:
with folder_path.open("wb") as f:
copyfileobj(r_raw, f)
elif path_exists(filename):
if not _check_md5(filename, VIDEO_ASSETS[asset_name][2]):
print("File corrupted. Re-downloading... \n")
os_remove(filename)
download_assets(asset_name)
print(f"{filename} asset download complete. \n")
else:
raise ValueError(
"Invalid asset type. It should be one of the following: \n"
"vehicles.mp4 \n"
"vehicles-2.mp4 \n"
"milk-video-1.mp4 \n"
"grocery-store.mp4 \n"
"subway.mp4 \n"
"market-square.mp4 \n"
"people-walking-bw.mp4 \n"
)
return filename