Adds setup.py and other details for packaging

MANIFEST.in

@@ -0,0 +1,9 @@
+include securedrop_proxy/*.py
+include requirements.txt
+include README.md
+include LICENSE
+include setup.py
+include Pipfile
+include Pipfile.lock
+include qubes/securedrop.Proxy
+include config-example.yaml

qubes/securedrop.Proxy

@@ -1 +1 @@
-/home/user/projects/securedrop-proxy/entrypoint.sh
+/usr/bin/sd-proxy /etc/sd-proxy.yaml

securedrop_proxy/entrypoint.py

@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+
+# The sd-proxy RPC script triggered by qubes RPC.
+
+# This script is executed by `/etc/qubes-rpc/sd-proxy`. It must be
+# called with exactly one argument: the path to its config file. See
+# the README for configuration options.
+
+import sys
+import json
+import uuid
+import subprocess
+
+from . import proxy
+from . import config
+from . import callbacks
+from . import main
+
+
+def start():
+    # a fresh, new proxy object
+    p = proxy.Proxy()
+
+    # set up an error handler early, so we can use it during
+    # configuration, etc
+    p.on_done = callbacks.err_on_done
+
+    # path to config file must be at argv[1]
+    if len(sys.argv) != 2:
+        p.simple_error(
+            500, "sd-proxy script not called with path to configuration file"
+        )
+        p.on_done(p.res)
+
+    # read config. `read_conf` will call `p.on_done` if there is a config
+    # problem, and will return a Conf object on success.
+    conf_path = sys.argv[1]
+    p.conf = config.read_conf(conf_path, p)
+
+    # read user request from STDIN
+    incoming = []
+    for line in sys.stdin:
+        incoming.append(line)
+    incoming = "\n".join(incoming)
+
+    main.__main__(incoming, p)

setup.py

@@ -0,0 +1,32 @@
+import setuptools
+
+with open("README.md", "r") as fh:
+    long_description = fh.read()
+
+setuptools.setup(
+    name="securedrop-proxy",
+    version="0.1.0",
+    author="Freedom of the Press Foundation",
+    author_email="[email protected]",
+    description="SecureDrop Qubes proxy service",
+    long_description=long_description,
+    long_description_content_type="text/markdown",
+    license="GPLv3+",
+    install_requires=["requests","furl", "pyyaml", "werkzeug"],
+    python_requires=">=3.5",
+    url="https://github.com/freedomofpress/securedrop-proxy",
+    packages=setuptools.find_packages(exclude=["docs", "tests"]),
+    classifiers=(
+        "Development Status :: 3 - Alpha",
+        "Programming Language :: Python :: 3",
+        "Topic :: Software Development :: Libraries :: Python Modules",
+        "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
+        "Intended Audience :: Developers",
+        "Operating System :: OS Independent",
+    ),
+    entry_points={
+        'console_scripts': [
+            'sd-proxy = securedrop_proxy.entrypoint:start',
+        ],
+    },
+)