🎉 Inital version (#1)

* 🎉 Initial version

.github/ISSUE_TEMPLATE.md

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+## Problem/Motivation
+
+> (Why the issue was filed)
+
+## Expected behavior
+
+> (What you expected to happen)
+
+## Actual behavior
+
+> (What actually happened)
+
+## Steps to reproduce
+
+> (How can someone else make/see it happen)
+
+## Proposed changes
+
+> (If you have a proposed change, workaround or fix, describe the rationale behind it)

.github/PULL_REQUEST_TEMPLATE.md

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+## Proposed Changes
+
+> (Describe the changes and rationale behind them)
+
+## Related Issues
+
+> ([Github link](https://help.github.com/articles/autolinked-references-and-urls/) to related issues or pull requests)

.gitignore

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+__pycache__/
+*.py[cod]
+build/
+dist/
+*.egg-info/
+.tox/
+bin/
+pip/
+lib/
+include/
+install/
+.Python
+pip-selfcheck.json

.travis.yml

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+language: python
+
+python:
+  - "2.6"
+  - "2.7"
+  - "3.2"
+  - "3.3"
+  - "3.4"
+  - "3.5"
+  - "3.6"
+  - "pypy"
+  - "pypy3"
+
+cache: 
+  - pip
+  
+install:
+  - pip install tox-travis
+script: 
+  - tox

CODE_OF_CONDUCT.md

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+# Code of conduct
+
+## Our pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, gender identity and expression, level of experience,
+nationality, personal appearance, race, religion, or sexual identity and
+orientation.
+
+## Our standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+- Using welcoming and inclusive language
+- Being respectful of differing viewpoints and experiences
+- Gracefully accepting constructive criticism
+- Focusing on what is best for the community
+- Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+- The use of sexualized language or imagery and unwelcome sexual attention or advances
+- Trolling, insulting/derogatory comments, and personal or political attacks
+- Public or private harassment
+- Publishing others' private information, such as a physical or electronic address, without explicit permission
+- Other conduct which could reasonably be considered inappropriate in a professional setting
+
+## Our responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project lead at frenck@geekchimp.com. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project lead is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage],
+version 1.4, available at [http://contributor-covenant.org/version/1/4][version]
+
+[homepage]: http://contributor-covenant.org
+[version]: http://contributor-covenant.org/version/1/4/

CONTRIBUTING.md

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+# Contributing
+
+When contributing to this repository, please first discuss the change you wish
+to make via issue, email, or any other method with the owners of this repository
+before making a change.
+
+Please note we have a code of conduct, please follow it in all your interactions
+with the project.
+
+## Issues and feature requests
+
+You've found a bug in the source code, a mistake in the documentation or maybe
+you'd like a new feature? You can help us by submitting an issue to our
+[GitHub Repository][github]. Before you create an issue, make sure you search
+the archive, maybe your question was already answered.
+
+Even better: You could submit a pull request with a fix / new feature!
+
+## Pull request process
+
+1. Search our repository for open or closed [pull requests][prs] that relates
+   to your submission. You don't want to duplicate effort.
+
+2. You may merge the pull request in once you have the sign-off of two other
+   developers, or if you do not have permission to do that, you may request
+   the second reviewer to merge it for you.
+
+[github]: https://github.com/hassio-addons/docker-context-streamer/issues
+[prs]: https://github.com/hassio-addons/docker-context-streamer/pulls

LICENSE.md

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+MIT License
+
+Copyright (c) 2017 Franck Nijhof
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# Docker Context Streamer
+
+![Project Stage][project-stage-shield]
+![Maintenance][maintenance-shield]
+![Awesome][awesome-shield]
+[![License][license-shield]](LICENSE.md)
+
+This little tool allows you to add file context to Dockerfiles fed to
+Docker using STDIN by creating a tar file stream.
+
+## What is does
+
+If you, for whatever reason, are streaming your Dockerfile into the Docker
+build command, your file context will be ignored by Docker. e.g., Stuff like
+ADD and COPY won't work. This tool work around this problem by using Dockers
+ability to accept a tar stream containing the full context. 
+
+Pipe your in memory Dockerfile into the Docker Context Streamer,
+specify the directory on disk you'd like to use as the file context, and next
+stream the output of this tool into Docker build.
+
+## Example
+
+```bash
+$ export DOCKERFILE="FROM alpine"
+# Do some stuff with your Docker file here, like sed replacing or adding things
+$ echo $DOCKERFILE | docker-context-streamer ./context/dir | docker build -
+```
+
+## Notice
+
+Using this tool is a general warning sign that you are doing it wrong.
+This tool is created for a very special case, where there was no other way.
+
+## Installation
+
+Using pip, the Python package manager:
+
+```bash
+sudo pip install docker-context-streamer
+```
+
+## Contributing
+
+This is an active open-source project. We are always open to people who want to
+use the code or contribute to it.
+
+We've set up a separate document for our [contribution guidelines](CONTRIBUTING.md).
+
+Thank you for being involved! :heart_eyes:
+
+## Authors & contributors
+
+The original setup of this repository is by [Franck Nijhof][frenck].
+
+For a full list of all authors and contributors,
+check [the contributor's page][contributors].
+
+## License
+
+MIT License
+
+Copyright (c) 2017 Franck Nijhof
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+[awesome-shield]: https://img.shields.io/badge/awesome%3F-yes-brightgreen.svg
+[contributors]: https://github.com/hassio-addons/docker-context-streamer/graphs/contributors
+[frenck]: https://github.com/frenck
+[license-shield]: https://img.shields.io/github/license/hassio-addons/docker-context-streamer.svg
+[maintenance-shield]: https://img.shields.io/maintenance/yes/2017.svg
+[project-stage-shield]: https://img.shields.io/badge/Project%20Stage-Experimental-yellow.svg

dcs/__init__.py

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+# -*- coding: utf-8 -*-
+#
+# MIT License
+#
+# Copyright (c) 2017 Franck Nijhof
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+"""
+Docker Context Streamer.
+
+This little tool allows you to add file context to Dockerfiles fed to
+Docker using STDIN by creating a tar file stream.
+"""
+
+
+APP_NAME = 'docker-context-streamer'
+APP_VERSION = '0.0.1'
+APP_DESCRIPTION = __doc__
+
+__author__ = u'Franck Nijhof'
+__copyright__ = u'Copyright 2017, Franck Nijhof'
+__license__ = 'GPLv3'
+__url__ = 'https://github.com/hassio-addons/docker-context-streamer'
+__version__ = APP_VERSION

dcs/__main__.py

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+# -*- coding: utf-8 -*-
+#
+# MIT License
+#
+# Copyright (c) 2017 Franck Nijhof
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+"""Main entry point."""
+from dcs.cli import run
+
+if __name__ == '__main__':
+    run()

dcs/cli.py

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+
+# -*- coding: utf-8 -*-
+#
+# MIT License
+#
+# Copyright (c) 2017 Franck Nijhof
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+"""CLI Handler for the Docker Context Streamer.
+
+This file handles the parsing of the CLI input
+"""
+
+import argparse
+import os.path
+import sys
+
+from dcs import APP_DESCRIPTION, APP_NAME, APP_VERSION
+from dcs.streamer import Streamer
+
+
+def run(argv=None):
+    """Run the Docker Context Streamer."""
+    parser = argparse.ArgumentParser(
+        prog=APP_NAME,
+        description=APP_DESCRIPTION,
+        epilog=("Example: cat ~/Dockerfile | "
+                "docker-context-streamer . | docker build -")
+    )
+    parser.add_argument(
+        'context',
+        type=str,
+        default='.',
+        help='Path to directory to use as context'
+    )
+    parser.add_argument(
+        '-v', '--version',
+        action='version',
+        version='%s %s' % (APP_NAME, APP_VERSION)
+    )
+
+    parsed = parser.parse_args()
+
+    if sys.stdin.isatty():
+        parser.error("Missing Dockerfile on STDIN")
+
+    dockerfile = sys.stdin.read()
+    dockerignore = ""
+    dockerignorefile = os.path.relpath(
+        os.path.join(
+            parsed.context,
+            '.dockerignore'
+        )
+    )
+    if os.path.isfile(dockerignorefile):
+        with open(dockerignorefile, 'r') as f:
+            dockerignore = (f.read()).split('\n')
+
+    streamer = Streamer(
+        dockerfile, os.path.relpath(parsed.context), dockerignore
+    )
+    streamer.stream_context()

dcs/streamer.py

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+# -*- coding: utf-8 -*-
+#
+# MIT License
+#
+# Copyright (c) 2017 Franck Nijhof
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+"""Docker Context Streamer.
+
+This provides the actual Docker Context Streamer.
+It will in take the given Dockerfile (via STDIN) and a path, and will
+output a tar stream containing both.
+"""
+
+from fnmatch import fnmatchcase
+from six import StringIO
+from tarfile import TarFile, TarInfo
+import sys
+
+
+class Streamer(object):
+    """Docker Context Streamer.
+
+    This provides the actual Docker Context Streamer.
+    It will in take the given Dockerfile (via STDIN) and a path, and will
+    output a tar stream containing both.
+    """
+
+    def __init__(self, dockerfile, context, dockerignore):
+        """Class init."""
+        self.dockerfile = dockerfile
+        self.context = context
+        self.dockerignore = dockerignore
+
+    def exclude(self, filename):
+        """Exclude files from the stream."""
+        if filename.startswith(self.context):
+            filename = filename[len(self.context)+1:]
+
+        if filename == 'Dockerfile' or filename == '.dockerignore':
+            return True
+        elif any(
+            fnmatchcase(filename, pattern) for pattern in self.dockerignore
+        ):
+            return True
+        else:
+            print filename
+            return False
+
+    def stream_context(self):
+        """Start streaming the tar context for Docker."""
+        with TarFile.open(mode='w|', fileobj=sys.stdout) as tarfile:
+
+            tarfile.add(
+                self.context,
+                arcname='.',
+                exclude=self.exclude
+            )
+
+            tarinfo = TarInfo('./Dockerfile')
+            tarinfo.size = len(self.dockerfile)
+            tarfile.addfile(tarinfo, StringIO(self.dockerfile))

setup.cfg

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+[bdist_wheel]
+universal=1
+
+[metadata]
+description-file = README.md

setup.py

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+# -*- coding: utf-8 -*-
+
+from setuptools import setup, find_packages
+
+from dcs import (
+    __author__, __license__, __url__,
+    APP_NAME, APP_VERSION, APP_DESCRIPTION
+)
+
+setup(
+    name=APP_NAME,
+    version=APP_VERSION,
+    author=__author__,
+    description=APP_DESCRIPTION.split('\n')[0],
+    long_description=APP_DESCRIPTION,
+    license=__license__,
+    url=__url__,
+    keywords=['docker', 'dockerfile', 'stream'],
+    classifiers=[
+        'Development Status :: 3 - Alpha',
+        'Environment :: Console',
+        'Intended Audience :: Developer',
+        'License :: OSI Approved :: MIT Licens'
+        'Programming Language :: Python :: 2'       
+        'Programming Language :: Python :: 3'
+        'Topic :: Software Development :: Build Tools',
+        'Topic :: System',
+        'Topic :: Utilities',
+    ],
+    packages=find_packages(),
+    requires=["six"],
+    install_requires=["six >=1.10"],
+    tests_require=['tox'],
+    entry_points={'console_scripts': [
+        'docker-context-streamer=dcs.cli:run',
+        'dcs=dcs.cli:run'
+    ]}
+)

test/Dockerfile

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+NOOOO

test/context/.dockerignore

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+ignored.*
+.git

test/context/Dockerfile

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+# I must be ignored...
+FROM alpine

test/context/etc/config.conf

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+# Fake config file for testing

test/context/ignored.txt

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+This file is for testing .dockerignore

test/context/testfile.txt

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+HI!
+I'm a test file :)

tox.ini

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+[tox]
+envlist = pep8, pep257, flake8, py27, py34, py35, py36, tar
+skip_missing_interpreters = True
+whitelist_externals =
+    cat
+    echo
+    tar
+
+[testenv]
+commands =
+    pip install .
+    python --version
+
+[testenv:flake8]
+commands =
+    pip install .
+    flake8 --max-complexity 10 dcs
+deps =
+    flake8
+
+[testenv:pep257]
+commands =
+    pip install .
+    pep257 dcs
+deps =
+    pep257
+
+[testenv:tar]
+commands =
+    pip install .
+    echo "FROM ..." | ./bin/docker-context-streamer ./test/context | tar -t