# SPDX-License-Identifier: GPL-3.0-or-later
"""
Functions for checking current version of the ts-backend-check CLI.
"""
import importlib.metadata
from typing import Any, Dict
import requests
UNKNOWN_VERSION = "Unknown ts-backend-check version"
UNKNOWN_VERSION_NOT_PIP = f"{UNKNOWN_VERSION} (Not installed via pip)"
UNKNOWN_VERSION_NOT_FETCHED = f"{UNKNOWN_VERSION} (Unable to fetch version)"
[docs]
def get_local_version() -> str:
"""
Get the local version of the ts-backend-check package.
Returns
-------
str
The version of the installed ts-backend-check package, or a message indicating
that the package is not installed via pip.
"""
try:
return importlib.metadata.version("ts-backend-check")
except importlib.metadata.PackageNotFoundError:
return UNKNOWN_VERSION_NOT_PIP
[docs]
def get_latest_version() -> Any:
"""
Get the latest version of the ts-backend-check package from GitHub.
Returns
-------
Any
The latest version of the ts-backend-check package, or a message indicating
that the version could not be fetched.
"""
try:
response = requests.get(
"https://api.github.com/repos/activist-org/ts-backend-check/releases/latest"
)
response_data: Dict[str, Any] = response.json()
return response_data["name"]
except Exception:
return UNKNOWN_VERSION_NOT_FETCHED
[docs]
def get_version_message() -> str:
"""
Get a message indicating the local and latest versions of the ts-backend-check package.
Returns
-------
str
A message indicating the local version, the latest version, and whether
an upgrade is available.
"""
local_version = get_local_version()
latest_version = get_latest_version()
if local_version == UNKNOWN_VERSION_NOT_PIP:
return UNKNOWN_VERSION_NOT_PIP
elif latest_version == UNKNOWN_VERSION_NOT_FETCHED:
return UNKNOWN_VERSION_NOT_FETCHED
local_version_clean = local_version.strip()
latest_version_clean = latest_version.replace("ts-backend-check", "").strip()
if local_version_clean == latest_version_clean:
return f"ts-backend-check v{local_version_clean}"
elif local_version_clean > latest_version_clean:
return f"ts-backend-check v{local_version_clean} is higher than the currently released version ts-backend-check v{latest_version_clean}. Hopefully this is a development build, and if so, thanks for your work on ts-backend-check! If not, please report this to the team at https://github.com/activist-org/ts-backend-check/issues."
else:
return f"ts-backend-check v{local_version_clean} (Upgrade available: ts-backend-check v{latest_version_clean}). To upgrade: ts-backend-check -u"
if __name__ == "__main__":
print(get_version_message())