Commit 5ffbbea1 authored by Michael Yang's avatar Michael Yang
Browse files

remove client.py

parent 3773fb64
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')
# Generate a response for a given prompt with a provided model. This is a streaming endpoint, so will be a series of responses.
# The final response object will include statistics and additional data from the request. Use the callback function to override
# the default handler.
def generate(model_name, prompt, system=None, template=None, format="", context=None, options=None, callback=None):
try:
url = f"{BASE_URL}/api/generate"
payload = {
"model": model_name,
"prompt": prompt,
"system": system,
"template": template,
"context": context,
"options": options,
"format": format,
}
# Remove keys with None values
payload = {k: v for k, v in payload.items() if v is not None}
with requests.post(url, json=payload, stream=True) as response:
response.raise_for_status()
# Creating a variable to hold the context history of the final chunk
final_context = None
# Variable to hold concatenated response strings if no callback is provided
full_response = ""
# Iterating over the response line by line and displaying the details
for line in response.iter_lines():
if line:
# Parsing each line (JSON chunk) and extracting the details
chunk = json.loads(line)
# If a callback function is provided, call it with the chunk
if callback:
callback(chunk)
else:
# If this is not the last chunk, add the "response" field value to full_response and print it
if not chunk.get("done"):
response_piece = chunk.get("response", "")
full_response += response_piece
print(response_piece, end="", flush=True)
# Check if it's the last chunk (done is true)
if chunk.get("done"):
final_context = chunk.get("context")
# Return the full response and the final context
return full_response, final_context
except requests.exceptions.RequestException as e:
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, 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, "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:
chunk = json.loads(line)
if callback:
callback(chunk)
else:
print(f"Status: {chunk.get('status')}")
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):
try:
url = f"{BASE_URL}/api/pull"
payload = {
"name": model_name,
"insecure": insecure
}
# 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 details
for line in response.iter_lines():
if line:
# Parsing each line (JSON chunk) and extracting the details
chunk = json.loads(line)
# If a callback function is provided, call it with the chunk
if callback:
callback(chunk)
else:
# Print the status message directly to the console
print(chunk.get('status', ''), end='', flush=True)
# If there's layer data, you might also want to print that (adjust as necessary)
if 'digest' in chunk:
print(f" - Digest: {chunk['digest']}", end='', flush=True)
print(f" - Total: {chunk['total']}", end='', flush=True)
print(f" - Completed: {chunk['completed']}", end='\n', flush=True)
else:
print()
except requests.exceptions.RequestException as e:
print(f"An error occurred: {e}")
# Push a model to the model registry. Use the callback function to override the default handler.
def push(model_name, insecure=False, callback=None):
try:
url = f"{BASE_URL}/api/push"
payload = {
"name": model_name,
"insecure": insecure
}
# 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 details
for line in response.iter_lines():
if line:
# Parsing each line (JSON chunk) and extracting the details
chunk = json.loads(line)
# If a callback function is provided, call it with the chunk
if callback:
callback(chunk)
else:
# Print the status message directly to the console
print(chunk.get('status', ''), end='', flush=True)
# If there's layer data, you might also want to print that (adjust as necessary)
if 'digest' in chunk:
print(f" - Digest: {chunk['digest']}", end='', flush=True)
print(f" - Total: {chunk['total']}", end='', flush=True)
print(f" - Completed: {chunk['completed']}", end='\n', flush=True)
else:
print()
except requests.exceptions.RequestException as e:
print(f"An error occurred: {e}")
# List models that are available locally.
def list():
try:
response = requests.get(f"{BASE_URL}/api/tags")
response.raise_for_status()
data = response.json()
models = data.get('models', [])
return models
except requests.exceptions.RequestException as e:
print(f"An error occurred: {e}")
return None
# Copy a model. Creates a model with another name from an existing model.
def copy(source, destination):
try:
# Create the JSON payload
payload = {
"source": source,
"destination": destination
}
response = requests.post(f"{BASE_URL}/api/copy", json=payload)
response.raise_for_status()
# If the request was successful, return a message indicating that the copy was successful
return "Copy successful"
except requests.exceptions.RequestException as e:
print(f"An error occurred: {e}")
return None
# Delete a model and its data.
def delete(model_name):
try:
url = f"{BASE_URL}/api/delete"
payload = {"name": model_name}
response = requests.delete(url, json=payload)
response.raise_for_status()
return "Delete successful"
except requests.exceptions.RequestException as e:
print(f"An error occurred: {e}")
return None
# Show info about a model.
def show(model_name):
try:
url = f"{BASE_URL}/api/show"
payload = {"name": model_name}
response = requests.post(url, json=payload)
response.raise_for_status()
# Parse the JSON response and return it
data = response.json()
return data
except requests.exceptions.RequestException as e:
print(f"An error occurred: {e}")
return None
def heartbeat():
try:
url = f"{BASE_URL}/"
response = requests.head(url)
response.raise_for_status()
return "Ollama is running"
except requests.exceptions.RequestException as e:
print(f"An error occurred: {e}")
return "Ollama is not running"
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