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from __future__ import annotations
import importlib.util
import subprocess
import sys
from importlib.metadata import version # python >= 3.8
from packaging.version import parse
import_name = {"py-cpuinfo": "cpuinfo", "protobuf": "google.protobuf"}
def is_installed(
package: str, min_version: str | None = None, max_version: str | None = None
):
name = import_name.get(package, package)
try:
spec = importlib.util.find_spec(name)
except ModuleNotFoundError:
return False
if spec is None:
return False
if not min_version and not max_version:
return True
if not min_version:
min_version = "0.0.0"
if not max_version:
max_version = "99999999.99999999.99999999"
try:
pkg_version = version(package)
return parse(min_version) <= parse(pkg_version) <= parse(max_version)
except Exception:
return False
def run_pip(*args):
subprocess.run([sys.executable, "-m", "pip", "install", *args], check=True)
def install():
deps = [
# requirements
("ultralytics", "8.2.0", None),
("mediapipe", "0.10.13", None),
("rich", "13.0.0", None),
]
pkgs = []
for pkg, low, high in deps:
if not is_installed(pkg, low, high):
if low and high:
cmd = f"{pkg}>={low},<={high}"
elif low:
cmd = f"{pkg}>={low}"
elif high:
cmd = f"{pkg}<={high}"
else:
cmd = pkg
pkgs.append(cmd)
if pkgs:
run_pip(*pkgs)
try:
import launch
skip_install = launch.args.skip_install
except Exception:
skip_install = False
if not skip_install:
install()
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