From 56ebf981df7be644b0ca8a5b82329441d0b46558 Mon Sep 17 00:00:00 2001
From: Mitchell Stokes <mogurijin@gmail.com>
Date: Tue, 21 Nov 2017 18:48:42 -0800
Subject: [PATCH] deploy-ng: Add user_options and finalize_options to
 build_apps

---
 direct/src/showutil/dist.py | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/direct/src/showutil/dist.py b/direct/src/showutil/dist.py
index fa94729fd6..c8c6a8d4d4 100644
--- a/direct/src/showutil/dist.py
+++ b/direct/src/showutil/dist.py
@@ -12,6 +12,7 @@ import io
 import distutils.core
 import distutils.dir_util
 import distutils.file_util
+import distutils.log
 
 from . import FreezeTool
 from . import pefile
@@ -24,7 +25,10 @@ if 'basestring' not in globals():
 
 class build_apps(distutils.core.Command):
     description = 'build Panda3D applications'
-    user_options = [] # TODO
+    user_options = [
+        ('build-base', None, 'directory to build applications in'),
+        ('requirements-path', None, 'path to requirements.txt file for pip'),
+    ]
 
     def initialize_options(self):
         self.build_base = os.path.join(os.getcwd(), 'build')
@@ -55,8 +59,14 @@ class build_apps(distutils.core.Command):
         return zip
 
     def finalize_options(self):
-        # TODO
-        pass
+        for path in self.copy_paths:
+            if isinstance(path, basestring):
+                src = path
+            else:
+                src, _ = path
+            assert os.path.exists(src), 'Copy path source does not exist: {}'.format(src)
+        assert self.deploy_platforms, 'At least one deploy platform must be defined'
+        assert os.path.exists(self.requirements_path), 'Requirements.txt path does not exist: {}'.format(self.requirements_path)
 
     def run(self):
         if not self.deploy_platforms: