From 7ae1b5b010c7dcd746766246fd26f3f03ab07902 Mon Sep 17 00:00:00 2001
From: Philipp Klaus <klaus@physik.uni-frankfurt.de>
Date: Mon, 14 Aug 2017 16:35:52 +0200
Subject: [PATCH] opus20: requirements in setup.py, optional ones: [webserver]

---
 opus20/README.md                 | 4 ++++
 opus20/opus20/opus20_web.py      | 2 +-
 opus20/opus20/webapp/__init__.py | 2 ++
 opus20/setup.py                  | 4 ++++
 4 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/opus20/README.md b/opus20/README.md
index cac5711..fbe1dc9 100644
--- a/opus20/README.md
+++ b/opus20/README.md
@@ -22,6 +22,10 @@ This package can be installed via pip:
 
     pip install --upgrade https://github.com/pklaus/opus20/archive/master.zip
 
+To install all requirements for the included plot web server, too, run this command instead:
+
+    pip install --upgrade https://github.com/pklaus/opus20/archive/master.zip#egg=opus20[webserver]
+
 #### Usage
 
 The Python package installs a command line tool to query the device
diff --git a/opus20/opus20/opus20_web.py b/opus20/opus20/opus20_web.py
index cd0bc77..5984e85 100755
--- a/opus20/opus20/opus20_web.py
+++ b/opus20/opus20/opus20_web.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 
 # local deps
-from opus20 import PlotWebServer
+from opus20.webapp import PlotWebServer
 
 # std lib
 import argparse
diff --git a/opus20/opus20/webapp/__init__.py b/opus20/opus20/webapp/__init__.py
index 3d525b2..77aa216 100755
--- a/opus20/opus20/webapp/__init__.py
+++ b/opus20/opus20/webapp/__init__.py
@@ -37,6 +37,8 @@ class PlotWebServer(Bottle):
     }
 
     def __init__(self, host, log_file, **kwargs):
+        # check for different requirements at object instatiation
+        import matplotlib, jinja2, pandas, numpy, pillow
         if 'debug' in kwargs:
             self.debug = kwargs['debug']
             del kwargs['debug']
diff --git a/opus20/setup.py b/opus20/setup.py
index e63d2c2..5c6db36 100644
--- a/opus20/setup.py
+++ b/opus20/setup.py
@@ -25,6 +25,10 @@ setup(name='opus20',
           'opus20_fakeserver = opus20.opus20_fakeserver:main',
         ],
       },
+      install_requires = [],
+      extras_require = {
+          'webserver':  ["bottle", "matplotlib", "jinja2", "pandas", "numpy", "pillow"],
+      },
       include_package_data = True,
       zip_safe = True,
       platforms = 'any',
-- 
2.43.0