Files
libpostal/scripts/geodata/file_utils.py

38 lines
901 B
Python

import os
import subprocess
import six
def download_file(url, dest, retries=3, retry_delay=5):
ensure_dir(os.path.dirname(dest))
return subprocess.call(['curl', url, '-L', '--retry', six.text_type(retries),
'--retry-delay', six.text_type(retry_delay),
'-o', dest, '--silent']) == 0
def unzip_file(filename, dest):
ensure_dir(dest)
subprocess.call(['unzip', '-o', filename, '-d', dest])
def remove_file(filename):
os.unlink(filename)
def ensure_dir(d):
if not os.path.exists(d):
os.makedirs(d)
class cd:
"""Context manager for changing the current working directory"""
def __init__(self, path):
self.path = path
def __enter__(self):
self.saved_path = os.getcwd()
os.chdir(self.path)
def __exit__(self, etype, value, traceback):
os.chdir(self.saved_path)