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
|
import logging
import os
import shutil
import subprocess
import sys
import urllib.request
def ensure_path(path):
if not os.path.exists(path):
os.mkdir(path)
def confirm_overwrite(dir):
if os.path.exists(dir):
answer = input(f"The directory {dir} exists. Overwrite it? (Y/n): ").strip()
if answer and answer.lower() != "y":
sys.exit("Aborting")
shutil.rmtree(dir)
def fast_copytree(src_dir, dest_dir):
subprocess.check_call(["cp", "-r", src_dir, dest_dir])
def fetch(url, path):
dirname = os.path.dirname(path)
if not os.path.exists(dirname):
os.mkdir(dirname)
if not os.path.exists(path):
logging.info(f"Fetch {url} to {path}")
with urllib.request.urlopen(url) as response, open(path, "wb") as out_file:
shutil.copyfileobj(response, out_file)
if not os.path.exists(path):
sys.exit("Download unsuccessful.")
sys.exit("Download unsuccessful.")
def run(*args, **kwargs):
logging.info(f"Run command: {args} ({kwargs})")
retcode = subprocess.call(*args, **kwargs)
if retcode != 0:
sys.exit("Command failed.")
def get_output(*args, **kwargs):
return subprocess.check_output(*args, **kwargs).decode().strip()
|
