From 14bd48959b433efb0134ceae1f333abd096c209d Mon Sep 17 00:00:00 2001
From: Kenneth Reitz <me@kennethreitz.org>
Date: Tue, 16 Oct 2018 05:14:48 -0700
Subject: [PATCH] CLI build command

---
 responder/__init__.py |  3 ++-
 responder/cli.py      | 42 ++++++++++++++++++++++++++++++++++++++++++
 responder/core.py     |  2 ++
 setup.py              |  3 +++
 4 files changed, 49 insertions(+), 1 deletion(-)
 create mode 100644 responder/cli.py

diff --git a/responder/__init__.py b/responder/__init__.py
index c573a7ae..6ae3bdfc 100644
--- a/responder/__init__.py
+++ b/responder/__init__.py
@@ -1,7 +1,8 @@
 from . import ext
-from .core import API, Request, Response
+from .core import API, Request, Response, cli
 
 __all__ = [
+    "cli",
     "API",
     "Request",
     "Response",
diff --git a/responder/cli.py b/responder/cli.py
new file mode 100644
index 00000000..3ed7da88
--- /dev/null
+++ b/responder/cli.py
@@ -0,0 +1,42 @@
+"""Responder.
+
+Usage:
+  responder
+  responder run [--build] [--debug] <module>
+  responder build
+  responder --version
+
+Options:
+  -h --help     Show this screen.
+  -v --version  Show version.
+
+"""
+
+import os
+
+import docopt
+
+from .__version__ import __version__
+
+
+def cli():
+    args = docopt.docopt(__doc__, argv=None, version=__version__, options_first=False)
+
+    module = args["<module>"]
+    build = args["build"] or args["--build"]
+    run = args["run"]
+
+    if build:
+        os.system("npm run build")  # noqa: S605, S607
+
+    if run:
+        split_module = module.split(":")
+
+        if len(split_module) > 1:
+            module = split_module[0]
+            prop = split_module[1]
+        else:
+            prop = "api"
+
+        app = __import__(module)
+        getattr(app, prop).run()
diff --git a/responder/core.py b/responder/core.py
index 8cbed856..054df029 100644
--- a/responder/core.py
+++ b/responder/core.py
@@ -1,7 +1,9 @@
 from .api import API
+from .cli import cli
 from .models import Request, Response
 
 __all__ = [
+    "cli",
     "API",
     "Request",
     "Response",
diff --git a/setup.py b/setup.py
index c22d3b5d..cf112361 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,9 @@
 required = [
     "aiofiles",
     "apispec>=1.0.0b1",
+    "asgiref",
     "chardet",
+    "docopt-ng",
     "marshmallow",
     "requests",
     "requests-toolbelt",
@@ -75,6 +77,7 @@ def run(self):
     url="https://github.com/kennethreitz/responder",
     packages=find_packages(exclude=["tests"]),
     package_data={},
+    entry_points={"console_scripts": ["responder=responder.cli:cli"]},
     python_requires=">=3.6",
     setup_requires=[],
     install_requires=required,