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The official Python client for Ollama.

Project description

Ollama Python Library

The Ollama Python library provides the easiest way to integrate Python 3.8+ projects with Ollama.

Install

pip install ollama

Usage

import ollama
response = ollama.chat(model='llama3.1', messages=[
  {
    'role': 'user',
    'content': 'Why is the sky blue?',
  },
])
print(response['message']['content'])

Streaming responses

Response streaming can be enabled by setting stream=True, modifying function calls to return a Python generator where each part is an object in the stream.

import ollama

stream = ollama.chat(
    model='llama3.1',
    messages=[{'role': 'user', 'content': 'Why is the sky blue?'}],
    stream=True,
)

for chunk in stream:
  print(chunk['message']['content'], end='', flush=True)

API

The Ollama Python library's API is designed around the Ollama REST API

Chat

ollama.chat(model='llama3.1', messages=[{'role': 'user', 'content': 'Why is the sky blue?'}])

Generate

ollama.generate(model='llama3.1', prompt='Why is the sky blue?')

List

ollama.list()

Show

ollama.show('llama3.1')

Create

modelfile='''
FROM llama3.1
SYSTEM You are mario from super mario bros.
'''

ollama.create(model='example', modelfile=modelfile)

Copy

ollama.copy('llama3.1', 'user/llama3.1')

Delete

ollama.delete('llama3.1')

Pull

ollama.pull('llama3.1')

Push

ollama.push('user/llama3.1')

Embeddings

ollama.embeddings(model='llama3.1', prompt='The sky is blue because of rayleigh scattering')

Ps

ollama.ps()

Custom client

A custom client can be created with the following fields:

  • host: The Ollama host to connect to
  • timeout: The timeout for requests
from ollama import Client
client = Client(host='http://localhost:11434')
response = client.chat(model='llama3.1', messages=[
  {
    'role': 'user',
    'content': 'Why is the sky blue?',
  },
])

Async client

import asyncio
from ollama import AsyncClient

async def chat():
  message = {'role': 'user', 'content': 'Why is the sky blue?'}
  response = await AsyncClient().chat(model='llama3.1', messages=[message])

asyncio.run(chat())

Setting stream=True modifies functions to return a Python asynchronous generator:

import asyncio
from ollama import AsyncClient

async def chat():
  message = {'role': 'user', 'content': 'Why is the sky blue?'}
  async for part in await AsyncClient().chat(model='llama3.1', messages=[message], stream=True):
    print(part['message']['content'], end='', flush=True)

asyncio.run(chat())

Errors

Errors are raised if requests return an error status or if an error is detected while streaming.

model = 'does-not-yet-exist'

try:
  ollama.chat(model)
except ollama.ResponseError as e:
  print('Error:', e.error)
  if e.status_code == 404:
    ollama.pull(model)

Project details


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