qinglong/shell/preload/sitecustomize.py
2024-07-10 23:29:44 +08:00

45 lines
1.0 KiB
Python

import os
import re
import env
def try_parse_int(value):
try:
return int(value)
except ValueError:
return None
def expand_range(range_str, max_value):
temp_range_str = (
range_str.strip()
.replace("-max", f"-{max_value}")
.replace("max-", f"{max_value}-")
)
result = []
for part in temp_range_str.split(" "):
range_match = re.match(r"^(\d+)([-~_])(\d+)$", part)
if range_match:
start, _, end = map(try_parse_int, range_match.groups())
result.extend(range(start, end + 1))
else:
result.append(int(part))
return result
def run():
env_param = os.getenv("envParam")
num_param = os.getenv("numParam")
if env_param and num_param:
array = (os.getenv(env_param) or "").split("&")
run_arr = expand_range(num_param, len(array))
array_run = [array[i - 1] for i in run_arr if i - 1 < len(array) and i > 0]
env_str = "&".join(array_run)
os.environ[env_param] = env_str
run()