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My Deephaven CLI

A CLI-only package providing command-line tools for data processing with Deephaven. This package is designed to be installed and run as a command-line tool.

Installation

pip install .

Or in editable mode for development:

pip install -e .

Usage

Note

CLI functions require a Deephaven server running in the same Python process. Use the functions within a Python session where the server is already started.

pip install -e .
python

Then in Python:

# Start the Deephaven server
from deephaven_server import Server
server = Server(port=10000, jvm_args=["-Xmx4g"])
server.start()

# Now use the CLI function
from my_dh_cli.cli import my_dh_query
result = my_dh_query("../data/sample.csv", verbose=True)
print(f"Processed {result.size} rows")

Commands

my-dh-query

Process a CSV file with Deephaven.

Arguments:

  • input_file - Path to the CSV file to process

Options:

  • --verbose, -v - Enable verbose output

Requirements

  • Python 3.8 or later
  • Deephaven Server 0.35.0 or later
  • Click 8.0.0 or later