first commit

grab.py

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+# -*- coding:utf-8 -*-
+
+"""
+    Grab photos from camera and store them.
+"""
+import os
+import shutil
+import itertools
+from .config import CAMERA_PATH, BACKUP_PATH, IMPORT_PATH
+
+
+def _copy_files(files, target_dir):
+    print("copy {files} to {target_dir}")
+    # for f in files:
+    #    shutil.copy(f, target_dir)
+
+
+def _get_filenames(folder):
+    # TODO: exact location of files is lost, but will be used !
+    # Could return a dict{ filename: full_path }
+    return set(
+        itertools.chain.from_iterable(
+            filenames for _, _, filenames in os.walk(folder)
+        ))
+
+
+def backup(files):
+    _copy_files(files, BACKUP_PATH)
+
+
+def prepare_import(files):
+    _copy_files(files, IMPORT_PATH)
+
+
+def grab():
+    # Get new files from camera
+    camera_files = _get_filenames(CAMERA_PATH)
+    backup_files = _get_filenames(BACKUP_PATH)
+    new_files = camera_files.difference(backup_files)
+    backup(new_files)
+    prepare_import(new_files)