# vars set by build environment.
if os.environ.get('NO_GEOS_CONFIG'):
geos_config = None
else:
geos_config = GEOSConfig(os.environ.get('GEOS_CONFIG', 'geos-config'))
# Fail installation if the GEOS shared library does not meet the minimum
# version. We ship it with Shapely for Windows, so no need to check on
# that platform.
geos_version = None
if geos_config and not os.environ.get(
'NO_GEOS_CHECK') or sys.platform == 'win32':
try:
log.info("Shapely >= 1.3 requires GEOS >= 3.3. "
"Checking for GEOS version...")
geos_version = geos_config.version()
log.info("Found GEOS version: %s", geos_version)
if (set(sys.argv).intersection(['install', 'build', 'build_ext'])
and shapely_version >= Version("1.3") and geos_version <
(3, 3)):
log.critical("Shapely >= 1.3 requires GEOS >= 3.3. "
"Install GEOS 3.3+ and reinstall Shapely.")
sys.exit(1)
except OSError as exc:
log.warn(
"Failed to determine system's GEOS version: %s. "
"Installation continuing. GEOS version will be "
"checked on import of shapely.", exc)
# Handle UTF-8 encoding of certain text files.
open_kwds = {}
# vars set by build environment.
if os.environ.get('NO_GEOS_CONFIG'):
geos_config = None
else:
geos_config = GEOSConfig(os.environ.get('GEOS_CONFIG', 'geos-config'))
# Fail installation if the GEOS shared library does not meet the minimum
# version. We ship it with Shapely for Windows, so no need to check on
# that platform.
geos_version = None
if geos_config and not os.environ.get('NO_GEOS_CHECK') or sys.platform == 'win32':
try:
log.info(
"Shapely >= 1.3 requires GEOS >= 3.3. "
"Checking for GEOS version...")
geos_version = geos_config.version()
log.info("Found GEOS version: %s", geos_version)
if (set(sys.argv).intersection(['install', 'build', 'build_ext']) and
shapely_version >= Version("1.3") and geos_version < (3, 3)):
log.critical(
"Shapely >= 1.3 requires GEOS >= 3.3. "
"Install GEOS 3.3+ and reinstall Shapely.")
sys.exit(1)
except OSError as exc:
log.warn(
"Failed to determine system's GEOS version: %s. "
"Installation continuing. GEOS version will be "
"checked on import of shapely.", exc)
# Handle UTF-8 encoding of certain text files.
open_kwds = {}