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fix: upgrade langfuse code examples to langfuse python sdk v3 (#3030)
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Co-authored-by: Tony Kipkemboi <iamtonykipkemboi@gmail.com>
This commit is contained in:
Jannik Maierhöfer
2025-06-19 18:18:33 +02:00
committed by GitHub
parent 4364585ebc
commit ec2903e5ee
1 changed files with 22 additions and 11 deletions
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33
docs/observability/langfuse.mdx
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@@ -30,18 +30,29 @@ Set your Langfuse API keys and configure OpenTelemetry export settings to send t
```python
import os
import base64
# Get keys for your project from the project settings page: https://cloud.langfuse.com
os.environ["LANGFUSE_PUBLIC_KEY"] = "pk-lf-..."
os.environ["LANGFUSE_SECRET_KEY"] = "sk-lf-..."
os.environ["LANGFUSE_HOST"] = "https://cloud.langfuse.com" # 🇪🇺 EU region
# os.environ["LANGFUSE_HOST"] = "https://us.cloud.langfuse.com" # 🇺🇸 US region
# Your OpenAI key
os.environ["OPENAI_API_KEY"] = "sk-proj-..."
```
With the environment variables set, we can now initialize the Langfuse client. get_client() initializes the Langfuse client using the credentials provided in the environment variables.
LANGFUSE_PUBLIC_KEY="pk-lf-..."
LANGFUSE_SECRET_KEY="sk-lf-..."
LANGFUSE_AUTH=base64.b64encode(f"{LANGFUSE_PUBLIC_KEY}:{LANGFUSE_SECRET_KEY}".encode()).decode()
os.environ["OTEL_EXPORTER_OTLP_ENDPOINT"] = "https://cloud.langfuse.com/api/public/otel" # EU data region
# os.environ["OTEL_EXPORTER_OTLP_ENDPOINT"] = "https://us.cloud.langfuse.com/api/public/otel" # US data region
os.environ["OTEL_EXPORTER_OTLP_HEADERS"] = f"Authorization=Basic {LANGFUSE_AUTH}"
# your openai key
os.environ["OPENAI_API_KEY"] = "sk-..."
```python
from langfuse import get_client
langfuse = get_client()
# Verify connection
if langfuse.auth_check():
print("Langfuse client is authenticated and ready!")
else:
print("Authentication failed. Please check your credentials and host.")
```
### Step 3: Initialize OpenLit