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# Tools/paths finder resolves external paths from settings and/or environment
# variables
#
# Currently supported:
#
# PYLMM_PATH finds the root of the git repository of the pylmm_gn2 tool
import os
def get_setting():
"""
Resolve a setting from the environment or the global settings in app.config
"""
pass
def pylmm_command(default=None):
def get_valid_path(path):
if path and os.path.isfile(path+'/lmm.py'):
return path
else:
None
# ---- Check whether environment exists
path = get_valid_path(os.environ['PYLMM_PATH'])
# ---- Check whether setting exists
if not path:
path = get_valid_path(app.config.get('PYLMM_PATH'))
# ---- Check whether default exists
if not path:
path = get_valid_path(default)
home = get_valid_path(os.environ['HOME']+'/pylmm_gn2')
if not path:
path = get_valid_path(home)
if not path:
raise Exception('PYLMM_PATH '+home+' unknown or faulty (add PYLMM_PATH to settings.py)')
pylmm_command = 'python '+path+'/lmm.py'
return path,pylmm_command
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