removed gdal as a requirement (#186)

* removed gdal as a requirement

* added run contrained

* added optional gdal

recipe/meta.yaml

@@ -22,7 +22,6 @@ requirements:
     - numpy
     - pvl >= 1.3.0
     - protobuf
-    - gdal
     - icu
     - h5py
     - pandas
@@ -38,7 +37,6 @@ requirements:
     - numpy
     - pvl >= 1.3.0
     - protobuf
-    - gdal
     - icu
     - h5py
     - pandas
@@ -49,6 +47,8 @@ requirements:
     - scipy
     - certifi
     - pyproj
+  run_contrained: 
+    - gdal 
 
 test:
   imports:

setup.py

@@ -22,18 +22,18 @@ def setup_package():
         zip_safe=True,
         scripts=['bin/socetnet2isis', 'bin/isisnet2socet'],
         install_requires=[
-            'gdal',
             'numpy',
             'pyproj',
             'pvl',
-            'protobuf',
             'h5py',
+            'protobuf',
             'pandas',
             'sqlalchemy',
             'pyyaml',
             'networkx',
             'affine',
             'scipy'],
+        extras_require={'io_gdal' : "gdal"},
         classifiers=[
             "Development Status :: 3 - Alpha",
             "Topic :: Utilities",