refactoring

[photosort.git] / src / dirhandler.py

diff --git a/src/dirhandler.py b/src/dirhandler.py
new file mode 100644 (file)
index 0000000..54d1ca9
--- /dev/null
+++ b/src/dirhandler.py
@@ -0,0 +1,63 @@
+import datetime
+import logging
+import os
+
+import misc
+
+class DirHandler:
+    def __init__(self, src_dir, dst_dir):
+        self._base_src_dir = src_dir
+        self._base_dst_dir = dst_dir
+
+    def migrate(self, remove):
+        for src_file_name, src_file_path in misc.walk_media_files(self._base_src_dir):
+            logging.info('Migrating %s...', src_file_name)
+            try:
+                self._migrate_single(src_file_name, src_file_path, remove)
+            except Exception as e:
+                logging.error('Error migrating %s: %s', src_file_path, str(e))
+
+    def _migrate_single(self, src_file_name, src_file_path, remove):
+        meta_time = misc.extract_timestamp(src_file_path, use_meta=True)
+
+        dst_dir = os.path.join(self._base_dst_dir,
+                               datetime.datetime.fromtimestamp(meta_time).strftime("%Y/%m"))
+        dst_file_path = os.path.join(dst_dir, src_file_name)
+
+        if not os.path.exists(dst_file_path):
+            alt_dst_dir = misc.find_file(self._base_dst_dir,
+                                         src_file_name,
+                                         os.path.getsize(src_file_path),
+                                         exclude_dir=self._base_src_dir)
+            if alt_dst_dir:
+                dst_dir = alt_dst_dir
+                dst_file_path = os.path.join(dst_dir, src_file_name)
+
+        if not os.path.exists(dst_file_path):
+            if not os.path.exists(dst_dir):
+                os.makedirs(dst_dir)
+            misc.import_file(src_file_path, dst_file_path)
+        else:
+            src_time = misc.extract_timestamp(src_file_path)
+            dst_time = misc.extract_timestamp(dst_file_path)
+            if src_time > dst_time:
+                misc.import_file(src_file_path, dst_file_path)
+
+        if remove:
+            os.remove(src_file_path)
+
+    def cleanup(self):
+        for root, dirs, files in os.walk(self._base_src_dir, topdown=False):
+            for name in files:
+                full_path = os.path.join(root, name)
+                if not misc.is_media_file(full_path):
+                    try:
+                        os.remove(full_path)
+                    except Exception as e:
+                        logging.warn('Error cleaning file %s: %s', full_path, str(e))
+            for name in dirs:
+                full_path = os.path.join(root, name)
+                try:
+                    os.rmdir(full_path)
+                except Exception as e:
+                    logging.warn('Error cleaning dir %s: %s', full_path, str(e))