Bopytex/bopytex/service.py

98 lines
2.1 KiB
Python
Executable File

#!/usr/bin/env python
# encoding: utf-8
"""
Producing then compiling templates
"""
import importlib.util
import os
from pathlib import Path
from bopytex.scheduler import Scheduler
from bopytex import default_config
def orcherstrator(
options: dict,
planner,
dispatcher,
):
tasks = planner(options)
scheduler = Scheduler(dispatcher, [options["template"]])
scheduler.append(tasks)
for message in scheduler.backlog():
yield message
def load_module(modulefile: str):
spec = importlib.util.spec_from_file_location("module.name", modulefile)
module = importlib.util.module_from_spec(spec)
spec.loader.exec_module(module)
return module
def clean_vars_keys(
vars: dict,
keys: list[str] = [
"__name__",
"__doc__",
"__package__",
"__loader__",
"__spec__",
"__file__",
"__cached__",
"__builtins__",
],
) -> dict:
new_dict = vars.copy()
for k in keys:
del new_dict[k]
return new_dict
def config_from_file(filename: str) -> dict:
if Path(filename).exists():
local_config = vars(load_module(filename))
return clean_vars_keys(local_config)
else:
return {}
def build_config(options: dict) -> dict:
"""Look for options["configfile"] to load it with default_config and options"""
configfile = ""
try:
configfile = options["configfile"]
except KeyError:
pass
try:
configfile = os.environ["BOPYTEXCONFIG"]
except KeyError:
pass
local_config = config_from_file(configfile)
config = clean_vars_keys(vars(default_config))
config.update(local_config)
config.update(options)
return config
def main(**options):
config = build_config(options)
orcherstre = orcherstrator(
config, planner=default_config.planner, dispatcher=default_config.dispatcher
)
for message in orcherstre:
yield message
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