docs: slimmer build to prevent overutilization (#24)

Author: tsutterley

geoid_toolkit/spatial.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 u"""
 spatial.py
-Written by Tyler Sutterley (10/2022)
+Written by Tyler Sutterley (12/2022)
 
 Utilities for reading, writing and operating on spatial data
 
@@ -20,6 +20,7 @@
 
 UPDATE HISTORY:
     Updated 12/2022: add software information to output HDF5 and netCDF4
+        place netCDF4 import within try/except statements
     Updated 10/2022: added datetime parser for ascii time columns
     Updated 06/2022: added field_mapping options to netCDF4 and HDF5 reads
         added from_file wrapper function to read from particular formats
@@ -53,25 +54,30 @@
 import uuid
 import yaml
 import logging
-import netCDF4
 import datetime
 import warnings
 import numpy as np
 import dateutil.parser
 import geoid_toolkit.version
 from geoid_toolkit.utilities import get_git_revision_hash
 # attempt imports
+try:
+    import h5py
+except (ImportError, ModuleNotFoundError) as e:
+    warnings.filterwarnings("always")
+    warnings.warn("h5py not available")
+    warnings.warn("Some functions will throw an exception if called")
 try:
     import osgeo.gdal, osgeo.osr, osgeo.gdalconst
 except (ImportError, ModuleNotFoundError) as e:
     warnings.filterwarnings("always")
     warnings.warn("GDAL not available")
     warnings.warn("Some functions will throw an exception if called")
 try:
-    import h5py
+    import netCDF4
 except (ImportError, ModuleNotFoundError) as e:
     warnings.filterwarnings("always")
-    warnings.warn("h5py not available")
+    warnings.warn("netCDF4 not available")
     warnings.warn("Some functions will throw an exception if called")
 # ignore warnings
 warnings.filterwarnings("ignore")

requirements.txt

@@ -1,8 +1,5 @@
-gdal
-h5py
 lxml
 matplotlib
-netCDF4
 numpy
 pyproj
 python-dateutil

scripts/read_EGM2008_geoid_grids.py

@@ -25,18 +25,29 @@
 
 UPDATE HISTORY:
     Updated 12/2022: single implicit import of geoid toolkit
+        place netCDF4 import within try/except statements
     Written 06/2022
 """
 from __future__ import print_function
 
 import os
 import logging
-import netCDF4
 import argparse
 import datetime
+import warnings
 import numpy as np
 import geoid_toolkit as geoidtk
 
+# attempt imports
+try:
+    import netCDF4
+except (ImportError, ModuleNotFoundError) as e:
+    warnings.filterwarnings("always")
+    warnings.warn("netCDF4 not available")
+    warnings.warn("Some functions will throw an exception if called")
+# ignore warnings
+warnings.filterwarnings("ignore")
+
 def read_EGM2008_geoid_grids(FILE, FILENAME=None, LOVE=0.3,
     VERBOSE=False, MODE=0o775):
 

scripts/read_ICGEM_geoid_grids.py

@@ -24,6 +24,7 @@
 
 UPDATE HISTORY:
     Updated 12/2022: single implicit import of geoid toolkit
+        place netCDF4 import within try/except statements
     Updated 05/2022: use argparse descriptions within sphinx documentation
     Updated 04/2022: include utf-8 encoding in reads to be windows compliant
         check if gravity field data file is present in file-system
@@ -43,12 +44,22 @@
 import os
 import re
 import logging
-import netCDF4
 import argparse
 import datetime
+import warnings
 import numpy as np
 import geoid_toolkit as geoidtk
 
+# attempt imports
+try:
+    import netCDF4
+except (ImportError, ModuleNotFoundError) as e:
+    warnings.filterwarnings("always")
+    warnings.warn("netCDF4 not available")
+    warnings.warn("Some functions will throw an exception if called")
+# ignore warnings
+warnings.filterwarnings("ignore")
+
 # PURPOSE: Reads .gdf grids from the GFZ calculation service
 def read_ICGEM_geoid_grids(FILE, FILENAME=None, MARKER='', SPACING=None,
     VERBOSE=False, MODE=0o775):

setup.py

@@ -43,13 +43,13 @@ def check_output(cmd):
 except Exception as e:
     log.warning('Failed to get options via gdal-config')
 else:
-    log.info(f"GDAL version from via gdal-config: {0}gdal_output[3]")
+    log.info(f"GDAL version from via gdal-config: {gdal_output[3]}")
 # if setting GDAL version from via gdal-config
-if gdal_output[3]:
+if gdal_output[3] and ('gdal' in install_requires):
     # add version information to gdal in install_requires
     gdal_index = install_requires.index('gdal')
     install_requires[gdal_index] = f'gdal=={gdal_output[3]}'
-elif any(install_requires):
+elif any(install_requires) and ('gdal' in install_requires):
     # gdal version not found
     gdal_index = install_requires.index('gdal')
     install_requires.pop(gdal_index)
@@ -66,7 +66,7 @@ def check_output(cmd):
 else:
     log.info(f"HDF5 version from via h5dump: {hdf5_version}")
 # if the HDF5 version not found
-if not any(hdf5_output) and any(install_requires):
+if not any(hdf5_output) and ('h5py' in install_requires):
     hdf5_index = install_requires.index('h5py')
     install_requires.pop(hdf5_index)