Updated for new model service api

cnn_classification_service/magic_doer.py

@@ -4,6 +4,8 @@ import logging
 import tempfile
 import requests
 
+from urllib.parse import urljoin
+
 from cnn_classifier import Classifier
 
 
@@ -16,6 +18,8 @@ def run_everything(parameters: dict):
 
     try:
 
+        # Download Sample
+
         logging.info(f"Downloading sample: {tag}")
         r = requests.get(f"http://storage-service/object/{tag}")
         with open(sample_file_handle, 'wb') as f:
@@ -23,13 +27,25 @@ def run_everything(parameters: dict):
 
         logging.debug(f"Downloaded sample to {sample_file_path}")
 
-        r = requests.get(f"http://model-service/model/cnn/$default")
+        # Download model
+
+        model_root_url = "http://model-service/model/cnn/$default"
+
+        logging.debug("Fetching model info...")
+        r = requests.get(model_root_url)
+        r.raise_for_status()
+
+        model_details = r.json()
+
+        logging.debug("Fetching model file...")
+        r = requests.get(urljoin(model_root_url, model_details['files']['model']))  # Fun fact: this would support external urls
         r.raise_for_status()
 
         with open(model_file_handle, 'wb') as f:
             f.write(r.content)
 
-        r = requests.get(f"http://model-service/model/cnn/$default?weights")
+        logging.debug("Fetching weights file...")
+        r = requests.get(urljoin(model_root_url, model_details['files']['weights']))
         r.raise_for_status()
 
         with open(weights_file_handle, 'wb') as f:
@@ -57,8 +73,8 @@ def run_everything(parameters: dict):
 
     response = {
         "tag": tag,
-        "probability": 1.0 if results[0] == 'sturnus' else 0.0,
+        "probability": 1.0 if results[0] == model_details['target_class_name'] else 0.0,
-        "model": "TODO"
+        "model": model_details['id']
     }
 
     logging.info(f"Classification done!")