Source code for covasim.requirements
'''
Check that correct versions of each library are installed, and print warnings
or errors if not.
'''
#%% Housekeeping
__all__ = ['min_versions', 'check_sciris', 'check_synthpops']
min_versions = {'sciris':'2.0.1'} # Should match requirements.txt
#%% Check dependencies
[docs]
def check_sciris():
''' Check that Sciris is available and the right version '''
try:
import sciris as sc
except ModuleNotFoundError: # pragma: no cover
errormsg = 'Sciris is a required dependency but is not found; please install via "pip install sciris"'
raise ModuleNotFoundError(errormsg)
ver = sc.__version__
minver = min_versions['sciris']
if sc.compareversions(ver, minver) < 0:
errormsg = f'You have Sciris {ver} but {minver} is required; please upgrade via "pip install --upgrade sciris"'
raise ImportError(errormsg)
return
[docs]
def check_synthpops(verbose=False, die=False):
''' Check whether synthpops is available '''
# Check synthpops -- optional dependency
try:
import synthpops
return synthpops
except ModuleNotFoundError as E: # pragma: no cover
import_error = f'Synthpops (for detailed demographic data) is not available ({str(E)})\n'
if die:
raise ModuleNotFoundError(import_error)
elif verbose:
print(import_error)
return False
return
# Perform the version checks on import
check_sciris()