add Dataset model, stub face_*analsysi

1 files changed, 34 insertions, 16 deletions

diff --git a/megapixels/app/utils/path_utils.py b/megapixels/app/utils/path_utils.py
index ddbc2864..b0262ea0 100644
--- a/megapixels/app/utils/path_utils.py
+++ b/megapixels/app/utils/path_utils.py
@@ -5,30 +5,48 @@ import logging
 from app.settings import app_cfg as cfg
 from app.settings import types
 
-  
-# class properties
-DATA_STORE = cfg.DATA_STORE
-DIR_DATSETs = cfg.DIR_DATSET_NAS
-DIR_DATASETS = join(DATA_STORE, 'datasets')
-DIR_PEOPLE = 'datasets/people'
 
 # -------------------------------------------------------------------------
-# Metadata
+# Metadata and media files
 # -------------------------------------------------------------------------
 
-def data_store_dir(opt_data_store):
-  return f'/data_store_{opt_data_store.name.lower()}'
+class DataStore:
+  # local data store
+  def __init__(self, opt_data_store, opt_dataset):
+    self.data_store = join(f'/data_store_{opt_data_store.name.lower()}')
+    self.dir_dataset = join(self.data_store, 'datasets', cfg.DIR_PEOPLE, opt_dataset.name.lower())
+    self.dir_media = join(self.dir_dataset, 'media')
+    self.dir_metadata = join(self.dir_dataset, 'metadata')
 
-def dataset_dir(opt_dataset):
-  return f'{opt_dataset.name.lower()}'
+  def metadata(self, enum_type):
+    return join(self.dir_metadata, f'{enum_type.name.lower()}.csv')
 
-def metadata_dir(opt_data_store, opt_dataset):
-  return join(data_store_dir(opt_data_store), DIR_PEOPLE, dataset_dir(opt_dataset), 'metadata')
+  def face_image(self, subdir, fn, ext):
+    return join(self.dir_media, 'original', subdir, f'{fn}.{ext}')
+
+  def face_image_crop(self, subdir, fn, ext):
+    return join(self.dir_media, 'cropped', subdir, f'{fn}.{ext}')
+
+
+class DataStoreS3:
+  # S3 server
+  def __init__(self, opt_dataset):
+    self._dir_media = join(cfg.S3_HTTP_MEDIA_URL, opt_dataset.name.lower())
+    self._dir_metadata = join(cfg.S3_HTTP_METADATA_URL, opt_dataset.name.lower())
+
+  def metadata(self, opt_metadata_type, ext='csv'):
+    return join(self._dir_metadata, f'{opt_metadata_type.name.lower()}.{ext}')
+
+  def face_image(self, opt_uuid, ext='jpg'):
+    #return join(self._dir_media, 'original', f'{opt_uuid}.{ext}')
+    return join(self._dir_media, f'{opt_uuid}.{ext}')
+
+  def face_image_crop(self, opt_uuid, ext='jpg'):
+    # not currently using?
+    return join(self._dir_media, 'cropped', f'{opt_uuid}.{ext}')
 
-def metadata(opt_data_store, opt_dataset, opt_metadata):
-  return join(metadata_dir(opt_data_store, opt_dataset), f'{opt_metadata.name.lower()}.csv')
 
 
 # -------------------------------------------------------------------------
-# Media
+# Models
 # -------------------------------------------------------------------------
\ No newline at end of file