Moving GUI requirements to a new requirements file. RE:#BITBUCKET-3714

MANIFEST.in

@@ -4,3 +4,4 @@ include HISTORY.rst
 include LICENSE.txt
 include requirements.txt
 include requirements-dev.txt
+include requirements-gui.txt

requirements-gui.txt

@@ -0,0 +1,8 @@
+# requirements-gui.txt
+# --------------------
+# This file records the packages and requirements needed in order for the
+# InVEST GUI to work as expected.
+
+qtpy>1.3
+qtawesome
+faulthandler

scripts/jenkins-build.bat

@@ -6,5 +6,6 @@
 :: ``make jenkins`` target on Windows.
 make env
 env\Scripts\python.exe -m pip install --upgrade .
+env\Scripts\python.exe install -r requirements-gui.txt
 make PYTHON=env\Scripts\python.exe windows_installer sampledata userguide python_packages
 env\scripts\python.exe scripts\jenkins_push_artifacts.py

scripts/jenkins-build.sh

@@ -8,9 +8,8 @@
 # ``make jenkins`` target on a mac.
 
 make env
-env/bin/python.exe -m pip install --upgrade .
+env/bin/python -m pip install --upgrade .
+env/bin/python -m pip install -r requirements-gui.txt
 make PYTHON=env/bin/python mac_installer userguide 
 env/bin/python setup.py bdist_wheel
 env/bin/python scripts/jenkins_push_artifacts.py
-
-

setup.py

@@ -17,6 +17,8 @@ import numpy
 # contents.
 _REQUIREMENTS = [req for req in open('requirements.txt').readlines()
                  if not req.startswith(('#', 'hg+')) and len(req) > 0]
+_GUI_REQUIREMENTS = [req for req in open('requirements-gui.txt').readlines()
+                     if not req.startswith(('#', 'hg+')) and len(req) > 0]
 README = open('README_PYTHON.rst').read().format(
     requirements='\n'.join(['    ' + r for r in _REQUIREMENTS]))
 
@@ -120,7 +122,7 @@ setup(
         ],
     },
     extras_require={
-        'ui': ('qtpy>1.3', 'qtawesome', 'faulthandler'),
+        'ui': _GUI_REQUIREMENTS,
     },
     package_data={
         'natcap.invest.reporting': [