MAINT: Make talib an optional dependency. Fixes #362.

conda/zipline/meta.yaml

@@ -19,7 +19,6 @@ requirements:
     - pandas
     - scipy
     - matplotlib
-    - ta-lib
     - logbook
 
 test:

etc/requirements.txt

@@ -17,12 +17,5 @@ statsmodels==0.5.0
 python-dateutil==2.2
 six==1.6.1
 
-# Cython is required for TA-Lib
-Cython==0.20.1
-# This --allow syntax is for compatibility with pip >= 1.5
-# However, this is backwards incompatible change, since previous
-# versions of pip do not support that flag.
---allow-external TA-Lib --allow-unverified TA-Lib TA-Lib==0.4.8
-
 # For fetching remote data
 requests==2.3.0

etc/requirements_dev.txt

@@ -24,3 +24,10 @@ tornado==3.2.1
 pyparsing==2.0.2
 
 Markdown==2.4.1
+
+# Cython is required for TA-Lib
+Cython==0.20.1
+# This --allow syntax is for compatibility with pip >= 1.5
+# However, this is backwards incompatible change, since previous
+# versions of pip do not support that flag.
+--allow-external TA-Lib --allow-unverified TA-Lib TA-Lib==0.4.8

setup.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# Copyright 2013 Quantopian, Inc.
+# Copyright 2014 Quantopian, Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -71,5 +71,8 @@ setup(
         'pandas',
         'six'
     ],
+    extras_require = {
+        'talib':  ["talib"],
+    },
     url="https://github.com/quantopian/zipline"
 )