dockerfile-parse
Python library for parsing Dockerfile files.
Installation
from PyPI
$ pip install dockerfile-parse
from git
Clone this git repo and install dockerfile-parse using python installer:
$ git clone https://github.com/DBuildService/dockerfile-parse.git
$ cd dockerfile-parse
$ sudo pip install .Usage
from pprint import pprint
from dockerfile_parse import DockerfileParser
dfp = DockerfileParser()
dfp.content = """\
From base
LABEL foo="bar baz"
USER me"""
# Print the parsed structure:
pprint(dfp.structure)
pprint(dfp.json)
pprint(dfp.labels)
# Set a new base:
dfp.baseimage = 'centos:7'
# Print the new Dockerfile with an updated FROM line:
print(dfp.content)