feat: add baichuan llm support (#1294)

Co-authored-by: zxhlyh <jasonapring2015@outlook.com>

api/tests/integration_tests/.env.example

@@ -35,6 +35,10 @@ WENXIN_SECRET_KEY=
 # ZhipuAI Credentials
 ZHIPUAI_API_KEY=
 
+# Baichuan Credentials
+BAICHUAN_API_KEY=
+BAICHUAN_SECRET_KEY=
+
 # ChatGLM Credentials
 CHATGLM_API_BASE=
 

api/tests/integration_tests/models/llm/test_baichuan_model.py

@@ -0,0 +1,81 @@
+import json
+import os
+from unittest.mock import patch
+
+
+from core.model_providers.models.entity.message import PromptMessage, MessageType
+from core.model_providers.models.entity.model_params import ModelKwargs
+from core.model_providers.models.llm.baichuan_model import BaichuanModel
+from core.model_providers.providers.baichuan_provider import BaichuanProvider
+from models.provider import Provider, ProviderType
+
+
+def get_mock_provider(valid_api_key, valid_secret_key):
+    return Provider(
+        id='provider_id',
+        tenant_id='tenant_id',
+        provider_name='baichuan',
+        provider_type=ProviderType.CUSTOM.value,
+        encrypted_config=json.dumps({
+            'api_key': valid_api_key,
+            'secret_key': valid_secret_key,
+        }),
+        is_valid=True,
+    )
+
+
+def get_mock_model(model_name: str, streaming: bool = False):
+    model_kwargs = ModelKwargs(
+        temperature=0.01,
+    )
+    valid_api_key = os.environ['BAICHUAN_API_KEY']
+    valid_secret_key = os.environ['BAICHUAN_SECRET_KEY']
+    model_provider = BaichuanProvider(provider=get_mock_provider(valid_api_key, valid_secret_key))
+    return BaichuanModel(
+        model_provider=model_provider,
+        name=model_name,
+        model_kwargs=model_kwargs,
+        streaming=streaming
+    )
+
+
+def decrypt_side_effect(tenant_id, encrypted_api_key):
+    return encrypted_api_key
+
+
+@patch('core.helper.encrypter.decrypt_token', side_effect=decrypt_side_effect)
+def test_chat_get_num_tokens(mock_decrypt):
+    model = get_mock_model('baichuan2-53b')
+    rst = model.get_num_tokens([
+        PromptMessage(type=MessageType.SYSTEM, content='you are a kindness Assistant.'),
+        PromptMessage(type=MessageType.HUMAN, content='Who is your manufacturer?')
+    ])
+    assert rst > 0
+
+
+@patch('core.helper.encrypter.decrypt_token', side_effect=decrypt_side_effect)
+def test_chat_run(mock_decrypt, mocker):
+    mocker.patch('core.model_providers.providers.base.BaseModelProvider.update_last_used', return_value=None)
+
+    model = get_mock_model('baichuan2-53b')
+    messages = [
+        PromptMessage(type=MessageType.HUMAN, content='Are you Human? you MUST only answer `y` or `n`?')
+    ]
+    rst = model.run(
+        messages,
+    )
+    assert len(rst.content) > 0
+
+
+@patch('core.helper.encrypter.decrypt_token', side_effect=decrypt_side_effect)
+def test_chat_stream_run(mock_decrypt, mocker):
+    mocker.patch('core.model_providers.providers.base.BaseModelProvider.update_last_used', return_value=None)
+
+    model = get_mock_model('baichuan2-53b', streaming=True)
+    messages = [
+        PromptMessage(type=MessageType.HUMAN, content='Are you Human? you MUST only answer `y` or `n`?')
+    ]
+    rst = model.run(
+        messages
+    )
+    assert len(rst.content) > 0

api/tests/unit_tests/model_providers/test_baichuan_provider.py

@@ -0,0 +1,97 @@
+import pytest
+from unittest.mock import patch
+import json
+
+from langchain.schema import ChatResult, ChatGeneration, AIMessage
+
+from core.model_providers.providers.baichuan_provider import BaichuanProvider
+from core.model_providers.providers.base import CredentialsValidateFailedError
+from models.provider import ProviderType, Provider
+
+
+PROVIDER_NAME = 'baichuan'
+MODEL_PROVIDER_CLASS = BaichuanProvider
+VALIDATE_CREDENTIAL = {
+    'api_key': 'valid_key',
+    'secret_key': 'valid_key',
+}
+
+
+def encrypt_side_effect(tenant_id, encrypt_key):
+    return f'encrypted_{encrypt_key}'
+
+
+def decrypt_side_effect(tenant_id, encrypted_key):
+    return encrypted_key.replace('encrypted_', '')
+
+
+def test_is_provider_credentials_valid_or_raise_valid(mocker):
+    mocker.patch('core.third_party.langchain.llms.baichuan_llm.BaichuanChatLLM._generate',
+                 return_value=ChatResult(generations=[ChatGeneration(message=AIMessage(content='abc'))]))
+
+    MODEL_PROVIDER_CLASS.is_provider_credentials_valid_or_raise(VALIDATE_CREDENTIAL)
+
+
+def test_is_provider_credentials_valid_or_raise_invalid():
+    # raise CredentialsValidateFailedError if api_key is not in credentials
+    with pytest.raises(CredentialsValidateFailedError):
+        MODEL_PROVIDER_CLASS.is_provider_credentials_valid_or_raise({})
+
+    credential = VALIDATE_CREDENTIAL.copy()
+    credential['api_key'] = 'invalid_key'
+    credential['secret_key'] = 'invalid_key'
+
+    # raise CredentialsValidateFailedError if api_key is invalid
+    with pytest.raises(CredentialsValidateFailedError):
+        MODEL_PROVIDER_CLASS.is_provider_credentials_valid_or_raise(credential)
+
+
+@patch('core.helper.encrypter.encrypt_token', side_effect=encrypt_side_effect)
+def test_encrypt_credentials(mock_encrypt):
+    result = MODEL_PROVIDER_CLASS.encrypt_provider_credentials('tenant_id', VALIDATE_CREDENTIAL.copy())
+    assert result['api_key'] == f'encrypted_{VALIDATE_CREDENTIAL["api_key"]}'
+    assert result['secret_key'] == f'encrypted_{VALIDATE_CREDENTIAL["secret_key"]}'
+
+
+@patch('core.helper.encrypter.decrypt_token', side_effect=decrypt_side_effect)
+def test_get_credentials_custom(mock_decrypt):
+    encrypted_credential = VALIDATE_CREDENTIAL.copy()
+    encrypted_credential['api_key'] = 'encrypted_' + encrypted_credential['api_key']
+    encrypted_credential['secret_key'] = 'encrypted_' + encrypted_credential['secret_key']
+
+    provider = Provider(
+        id='provider_id',
+        tenant_id='tenant_id',
+        provider_name=PROVIDER_NAME,
+        provider_type=ProviderType.CUSTOM.value,
+        encrypted_config=json.dumps(encrypted_credential),
+        is_valid=True,
+    )
+    model_provider = MODEL_PROVIDER_CLASS(provider=provider)
+    result = model_provider.get_provider_credentials()
+    assert result['api_key'] == 'valid_key'
+    assert result['secret_key'] == 'valid_key'
+
+
+@patch('core.helper.encrypter.decrypt_token', side_effect=decrypt_side_effect)
+def test_get_credentials_obfuscated(mock_decrypt):
+    encrypted_credential = VALIDATE_CREDENTIAL.copy()
+    encrypted_credential['api_key'] = 'encrypted_' + encrypted_credential['api_key']
+    encrypted_credential['secret_key'] = 'encrypted_' + encrypted_credential['secret_key']
+
+    provider = Provider(
+        id='provider_id',
+        tenant_id='tenant_id',
+        provider_name=PROVIDER_NAME,
+        provider_type=ProviderType.CUSTOM.value,
+        encrypted_config=json.dumps(encrypted_credential),
+        is_valid=True,
+    )
+    model_provider = MODEL_PROVIDER_CLASS(provider=provider)
+    result = model_provider.get_provider_credentials(obfuscated=True)
+    middle_token = result['api_key'][6:-2]
+    secret_key_middle_token = result['secret_key'][6:-2]
+    assert len(middle_token) == max(len(VALIDATE_CREDENTIAL['api_key']) - 8, 0)
+    assert len(secret_key_middle_token) == max(len(VALIDATE_CREDENTIAL['secret_key']) - 8, 0)
+    assert all(char == '*' for char in middle_token)
+    assert all(char == '*' for char in secret_key_middle_token)