Feature/#26 refactor scriptpy

src/dependencies.py

@@ -0,0 +1,70 @@
+import sys
+from pathlib import Path
+import shutil
+from .exceptions import *
+
+# =========================================================================== #
+
+"""
+Find exiftool executable
+
+Returns:
+    Path to exiftool
+
+Raises:
+    DependencyError: If exiftool cannot be found
+"""
+def find_exiftool() -> str:
+
+    exe_name = "exiftool.exe" if sys.platform.startswith("win") else "exiftool"
+
+    # If bundle
+    if getattr(sys, "frozen", False):
+        base = Path(sys._MEIPASS)
+        bundled = base / "bin" / exe_name
+        if bundled.exists():
+            return str(bundled)
+
+    # Try system PATH
+    system_path = shutil.which(exe_name)
+    if system_path:
+        return system_path
+
+    raise DependencyError(
+        "Exiftool not found. Please install exiftool or use the provided bundled executable."
+        "For further installation instructions, reference the README."
+    )
+
+# =========================================================================== #
+
+"""
+Find ffmpeg executable.
+
+Returns:
+    Path to ffmpeg
+
+Raises:
+    DependencyError: If ffmpeg cannot be found
+"""
+def find_ffmpeg() -> str:
+
+    exe_name = "ffmpeg.exe" if sys.platform.startswith("win") else "ffmpeg"
+
+    # If bundle
+    if getattr(sys, "frozen", False):
+        base = Path(sys._MEIPASS)
+        bundled = base / "bin" / exe_name
+        if bundled.exists():
+            return str(bundled)
+
+    # Try system PATH
+    system_path = shutil.which(exe_name)
+    if system_path:
+        return system_path
+
+    raise DependencyError(
+        "FFMpeg not found. Please install ffmpeg or use the provided bundled executable."
+        "For further installation instructions, reference the README."
+    )
+
+# =========================================================================== #