/
lesson8_example.py
54 lines (44 loc) · 1.7 KB
/
lesson8_example.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
#
# Copyright 2020 Two Sigma Open Source, LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import argparse
import os
import uberjob
from uberjob.stores import JsonFileStore, TouchFileStore
def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument("--input-directory", required=True)
parser.add_argument("--output-directory", required=True)
parser.add_argument("--fresh", action="store_true")
return parser.parse_args()
def fahrenheit_to_celcius(f):
return (f - 32) * 5 / 9
def build_plan(args):
plan = uberjob.Plan()
registry = uberjob.Registry()
f = registry.source(plan, JsonFileStore(os.path.join(args.input_directory, "input.json")))
c = plan.call(fahrenheit_to_celcius, f)
registry.add(c, JsonFileStore(os.path.join(args.output_directory, "output.json")))
return plan, registry
def main():
args = parse_args()
os.makedirs(args.output_directory, exist_ok=True)
touch_store = TouchFileStore(os.path.join(args.output_directory, "_FRESH"))
if args.fresh:
touch_store.write(None)
plan, registry = build_plan(args)
uberjob.run(plan, registry=registry, fresh_time=touch_store.get_modified_time())
if __name__ == "__main__":
main()