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74 lines
1.4 KiB
Markdown
74 lines
1.4 KiB
Markdown
# Phoenix Tracing: Projects (Python)
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**Organize traces by application using projects (Phoenix's top-level grouping).**
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## Overview
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Projects group traces for a single application or experiment.
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**Use for:** Environments (dev/staging/prod), A/B testing, versioning
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## Setup
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### Environment Variable (Recommended)
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```bash
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export PHOENIX_PROJECT_NAME="my-app-prod"
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```
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```python
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import os
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os.environ["PHOENIX_PROJECT_NAME"] = "my-app-prod"
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from phoenix.otel import register
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register() # Uses "my-app-prod"
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```
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### Code
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```python
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from phoenix.otel import register
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register(project_name="my-app-prod")
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```
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## Use Cases
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**Environments:**
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```python
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# Dev, staging, prod
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register(project_name="my-app-dev")
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register(project_name="my-app-staging")
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register(project_name="my-app-prod")
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```
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**A/B Testing:**
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```python
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# Compare models
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register(project_name="chatbot-gpt4")
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register(project_name="chatbot-claude")
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```
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**Versioning:**
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```python
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# Track versions
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register(project_name="my-app-v1")
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register(project_name="my-app-v2")
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```
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## Switching Projects (Python Notebooks Only)
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```python
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from openinference.instrumentation import dangerously_using_project
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from phoenix.otel import register
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register(project_name="my-app")
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# Switch temporarily for evals
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with dangerously_using_project("my-eval-project"):
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run_evaluations()
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```
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**⚠️ Only use in notebooks/scripts, not production.**
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