### Install Diagrams Python Package

Source: https://diagrams.mingrammer.com/docs/getting-started/installation/index

Instructions for installing the diagrams Python library using various package managers. Requires Python 3.7+ and Graphviz.

```shell
# using pip (pip3)
$ pip install diagrams

# using pipenv
$ pipenv install diagrams

# using poetry
$ poetry add diagrams

# using uv
$ uv tool install diagrams
```

--------------------------------

### Generate Web Service Diagram with Python

Source: https://diagrams.mingrammer.com/docs/getting-started/installation/index

A Python code snippet demonstrating how to create a simple web service diagram using the diagrams library. It shows importing necessary components and defining relationships between them. The output is saved as a PNG file.

```python
from diagrams import Diagram
from diagrams.aws.compute import EC2
from diagrams.aws.database import RDS
from diagrams.aws.network import ELB

with Diagram("Web Service", show=False):
    ELB("lb") >> EC2("web") >> RDS("userdb")
```

--------------------------------

### Process Diagram Files with diagrams CLI

Source: https://diagrams.mingrammer.com/docs/getting-started/installation/index

Command-line usage for the diagrams tool to process one or more Python diagram files. This allows for batch generation of diagrams.

```shell
$ diagrams diagram1.py diagram2.py
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.