update python client create example (#1227)

* add remote create to python example client

api/client.py

 import os
 import json
 import requests
+import os
+import hashlib
+import json
+from pathlib import Path
 
 BASE_URL = os.environ.get('OLLAMA_HOST', 'http://localhost:11434')
 
@@ -58,29 +62,85 @@ def generate(model_name, prompt, system=None, template=None, format="", context=
         print(f"An error occurred: {e}")
         return None, None
     
+
+# Create a blob file on the server if it doesn't exist.
+def create_blob(digest, file_path):
+    url = f"{BASE_URL}/api/blobs/{digest}"
+
+    # Check if the blob exists
+    response = requests.head(url)
+    if response.status_code != 404:
+        return  # Blob already exists, no need to upload
+    response.raise_for_status()
+
+    # Upload the blob
+    with open(file_path, 'rb') as file_data:
+        requests.post(url, data=file_data)
+
+
 # Create a model from a Modelfile. Use the callback function to override the default handler.
-def create(model_name, model_path, callback=None):
+def create(model_name, filename, callback=None):
     try:
+        file_path = Path(filename).expanduser().resolve()
+        processed_lines = []
+
+        # Read and process the modelfile
+        with open(file_path, 'r') as f:
+            for line in f:            
+                # Skip empty or whitespace-only lines
+                if not line.strip():
+                    continue
+            
+                command, args = line.split(maxsplit=1)
+
+                if command.upper() in ["FROM", "ADAPTER"]:
+                    path = Path(args.strip()).expanduser()
+
+                    # Check if path is relative and resolve it
+                    if not path.is_absolute():
+                        path = (file_path.parent / path)
+
+                    # Skip if file does not exist for "model", this is handled by the server
+                    if not path.exists():
+                        processed_lines.append(line)
+                        continue
+
+                    # Calculate SHA-256 hash
+                    with open(path, 'rb') as bin_file:
+                        hash = hashlib.sha256()
+                        hash.update(bin_file.read())
+                        blob = f"sha256:{hash.hexdigest()}"
+                
+                    # Add the file to the remote server
+                    create_blob(blob, path)
+
+                    # Replace path with digest in the line
+                    line = f"{command} @{blob}\n"
+
+                processed_lines.append(line)
+
+        # Combine processed lines back into a single string
+        modelfile_content = '\n'.join(processed_lines)
+
         url = f"{BASE_URL}/api/create"
-        payload = {"name": model_name, "path": model_path}
+        payload = {"name": model_name, "modelfile": modelfile_content}
 
         # Making a POST request with the stream parameter set to True to handle streaming responses
         with requests.post(url, json=payload, stream=True) as response:
             response.raise_for_status()
-
             # Iterating over the response line by line and displaying the status
             for line in response.iter_lines():
                 if line:
-                    # Parsing each line (JSON chunk) and extracting the status
                     chunk = json.loads(line)
-
                     if callback:
                         callback(chunk)
                     else:
                         print(f"Status: {chunk.get('status')}")
-    except requests.exceptions.RequestException as e:
+
+    except Exception as e:
         print(f"An error occurred: {e}")
 
+
 # Pull a model from a the model registry. Cancelled pulls are resumed from where they left off, and multiple
 # calls to will share the same download progress. Use the callback function to override the default handler.
 def pull(model_name, insecure=False, callback=None):
@@ -222,5 +282,3 @@ def heartbeat():
     except requests.exceptions.RequestException as e:
         print(f"An error occurred: {e}")
         return "Ollama is not running"
-
-