DEPRECATED

it turns out multiple go shared objects in a single process is not supported

it likely broke in go 1.21 and there is no intention to fix it :(

dockerfile

The goal of this repository is to provide a wrapper around docker/docker's parser for dockerfiles.

python library

Installation

This project uses setuptools-golang when built from source. To build from source you'll need a go compiler.

If you're using linux and sufficiently new pip (>=8.1) you should be able to just download prebuilt manylinux1 wheels.

pip install dockerfile

Usage

There's three api functions provided by this library:

`dockerfile.all_cmds()`

List all of the known dockerfile cmds.

>>> dockerfile.all_cmds()
('add', 'arg', 'cmd', 'copy', 'entrypoint', 'env', 'expose', 'from', 'healthcheck', 'label', 'maintainer', 'onbuild', 'run', 'shell', 'stopsignal', 'user', 'volume', 'workdir')

`dockerfile.parse_file(filename)`

Parse a Dockerfile by filename. Returns a tuple of dockerfile.Command objects representing each layer of the Dockerfile. Possible exceptions:

dockerfile.GoIOError: The file could not be opened.
dockerfile.GoParseError: The Dockerfile was not parseable.

>>> pprint.pprint(dockerfile.parse_file('testfiles/Dockerfile.ok'))
(Command(cmd='from', sub_cmd=None, json=False, original='FROM ubuntu:xenial', start_line=1, flags=(), value=('ubuntu:xenial',)),
 Command(cmd='cmd', sub_cmd=None, json=True, original='CMD ["echo", "hi"]', start_line=2, flags=(), value=('echo', 'hi')))

`dockerfile.parse_string(s)`

Parse a dockerfile using a string. Returns a tuple of dockerfile.Command objects representing each layer of the Dockerfile. Possible exceptions:

dockerfile.GoParseError: The Dockerfile was not parseable.

>>> dockerfile.parse_string('FROM ubuntu:xenial')
(Command(cmd='from', sub_cmd=None, json=False, original='FROM ubuntu:xenial', start_line=1, flags=(), value=('ubuntu:xenial',)),)

go library

Slightly more convenient than the api provided by docker/docker? Might not be terribly useful -- the main point of this repository was a python wrapper.

Installation

go get github.com/asottile/dockerfile

Usage

godoc

License

asottile-archive/dockerfile

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