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settings_manager.py
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settings_manager.py
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from configparser import ConfigParser
from constants import *
class SettingsManager:
# Settings will typically live in working directory/twet.ini
f_name = "twet.ini"
libs_key = 'libraries'
config = None
def __init__(self):
self.config = ConfigParser()
self.config.read(self.f_name)
# Write out settings
def write_out_settings(self, libs):
config = self.config
if not config.has_section(self.libs_key):
config.add_section(self.libs_key)
# Prevent blank writing
if self.is_safe(NPX, libs[NPX_LOCATION]):
config.set(self.libs_key, NPX, libs[NPX_LOCATION])
if self.is_safe(NPM, libs[NPM_LOCATION]):
config.set(self.libs_key, NPM, libs[NPM_LOCATION])
if self.is_safe(TWEEGO, libs[TWEEGO_LOCATION]):
config.set(self.libs_key, TWEEGO, libs[TWEEGO_LOCATION])
with open(self.f_name, 'w') as f:
config.write(f)
def is_safe(self, key, new_val):
val = self.find_setting(key)
if new_val is "" and val is not "":
return False
else:
return True
# Read in settings
def read_in_settings(self):
config = self.config
if config.has_section(self.libs_key):
npx_loc = config.get(self.libs_key, NPX)
npm_loc = config.get(self.libs_key, NPM)
tweego_loc = config.get(self.libs_key, TWEEGO)
return npm_loc, npx_loc, tweego_loc
return None, None, None
def find_setting(self, key):
config = self.config
if config.has_option(self.libs_key, key):
return config.get(self.libs_key, key)
else:
return None