core.py
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import abc
import importlib
from os.path import isfile, join, abspath, dirname
from datetime import datetime
from uuid import uuid4
from .content import get_path, content
# This is not really a core. Look in __init__.py
# Using this as misc bag
hit_count_path = get_path("VISITS")
def generate_unique_id():
"""
:return: a unique identifier that can be sorted chronologically.
"""
return u"%s" % (
datetime.now().strftime('%Y-%m-%d_%H:%M:%S_') + str(uuid4())[0:4]
)
def get_emission_models():
emission_models_confs = content.models
emission_models = []
for model_conf in emission_models_confs:
model_file = model_conf.file
the_module = importlib.import_module("flaskr.laws.%s" % model_file)
model = the_module.EmissionModel(model_conf, content.shared_config)
# model.configure(extra_model_conf)
emission_models.append(model)
return emission_models
models = get_emission_models()
def get_hit_counter():
hit_count = 1
if isfile(hit_count_path):
with open(hit_count_path) as hcf:
hit_count = int(hcf.read().strip())
return hit_count
def increment_hit_counter():
if isfile(hit_count_path):
hit_count = get_hit_counter()
hit_count += 1
else:
hit_count = 1
with open(hit_count_path, 'w') as hcf:
hcf.write(str(hit_count))
return hit_count
# # unused
# class FootprintEstimatorDriver(abc.ABCMeta):
# @abc.abstractmethod
# def get_travel_footprint(self, from_location, to_location): # TBD
# pass