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83 lines
2.0 KiB
83 lines
2.0 KiB
from .base import Command
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def python_pip(name, op="install", upgrade=False, venv=None, version=3, **kwargs):
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"""Use pip to install or uninstall a Python package.
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:param name: The name of the package.
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:type name: str
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:param op: The operation to perform; ``install``, ``remove``
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:type op: str
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:param upgrade: Upgrade an installed package.
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:type upgrade: bool
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:param venv: The name of the virtual environment to load.
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:type venv: str
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:param version: The Python version to use, e.g. ``2`` or ``3``.
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:type version: int
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"""
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manager = "pip"
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if version == 3:
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manager = "pip3"
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if upgrade:
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statement = "%s install --upgrade %s" % (manager, name)
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else:
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statement = "%s %s %s" % (manager, op, name)
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if venv is not None:
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kwargs['prefix'] = "source %s/bin/activate" % venv
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kwargs.setdefault("comment", "%s %s" % (op, name))
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return Command(statement, **kwargs)
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def python_pip_file(path, venv=None, version=3, **kwargs):
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"""Install Python packages from a pip file.
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:param path: The path to the file.
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:type path: str
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:param venv: The name (and/or path) of the virtual environment.
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:type venv: str
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:param version: The pip version to use.
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"""
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manager = "pip"
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if version == 3:
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manager = "pip3"
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if venv is not None:
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kwargs['prefix'] = "source %s/bin/activate" % venv
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kwargs.setdefault("comment", "install packages from pip file %s" % path)
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statement = "%s install -r %s" % (manager, path)
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return Command(statement, **kwargs)
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def python_virtualenv(name, **kwargs):
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"""Create a Python virtual environment.
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:param name: The name of the environment to create.
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:type name: str
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"""
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kwargs.setdefault("comment", "create %s virtual environment" % name)
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return Command("virtualenv %s" % name, **kwargs)
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PYTHON_MAPPINGS = {
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'pip': python_pip,
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'pipf': python_pip_file,
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'pip_file': python_pip_file,
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'virtualenv': python_virtualenv,
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}
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