Added apkeep support

src/downloader/apkkeep.py

@@ -0,0 +1,66 @@
+"""Apkeep Downloader Class."""
+
+import subprocess
+from time import perf_counter
+from typing import Any, Self
+
+from loguru import logger
+
+from src.app import APP
+from src.downloader.download import Downloader
+from src.exceptions import DownloadError
+
+
+class Apkeep(Downloader):
+    """Apkeep-based Downloader."""
+
+    def _run_apkeep(self: Self, package_name: str, version: str = "") -> str:
+        """Run apkeep CLI to fetch APK from Google Play."""
+        email = self.config.env.str("APKEEP_EMAIL")
+        token = self.config.env.str("APKEEP_TOKEN")
+
+        if not email or not token:
+            msg = "APKEEP_EMAIL and APKEEP_TOKEN must be set in environment."
+            raise DownloadError(msg)
+
+        file_name = f"{package_name}.apk"
+        file_path = self.config.temp_folder / file_name
+
+        if file_path.exists():
+            logger.debug(f"{file_name} already downloaded.")
+            return file_name
+
+        cmd = [
+            "apkeep",
+            "-a",
+            f"{package_name}@{version}" if version and version != "latest" else package_name,
+            "-d",
+            "google-play",
+            "-e",
+            email,
+            "-t",
+            token,
+            self.config.temp_folder_name,
+        ]
+        logger.debug(f"Running command: {cmd}")
+
+        start = perf_counter()
+        process = subprocess.Popen(cmd, stdout=subprocess.PIPE)
+        output = process.stdout
+        if not output:
+            msg = "Failed to send request for patching."
+            raise DownloadError(msg)
+        for line in output:
+            logger.debug(line.decode(), flush=True, end="")
+        process.wait()
+        if process.returncode != 0:
+            msg = f"Command failed with exit code {process.returncode} for app {package_name}"
+            raise DownloadError(msg)
+        logger.info(f"Downloading completed for app {package_name} in {perf_counter() - start:.2f} seconds.")
+        return file_name
+
+    def latest_version(self: Self, app: APP, **kwargs: Any) -> tuple[str, str]:
+        """Download latest version from Google Play via Apkeep."""
+        file_name = self._run_apkeep(app.package_name)
+        logger.info(f"Got file name as {file_name}")
+        return file_name, f"apkeep://google-play/{app.package_name}"