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Add option in download() to appear as browser #1277

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merged 1 commit into from
Jul 8, 2019
Merged

Add option in download() to appear as browser #1277

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15 changes: 11 additions & 4 deletions openmc/_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,12 +2,12 @@
import os.path
from pathlib import Path
from urllib.parse import urlparse
from urllib.request import urlopen
from urllib.request import urlopen, Request

_BLOCK_SIZE = 16384


def download(url, checksum=None, **kwargs):
def download(url, checksum=None, as_browser=False, **kwargs):
"""Download file from a URL

Parameters
Expand All @@ -16,15 +16,22 @@ def download(url, checksum=None, **kwargs):
URL from which to download
checksum : str or None
MD5 checksum to check against
Keyword arguments passed to :func:urllib.request.urlopen
as_browser : bool
Change User-Agent header to appear as a browser
kwargs : dict
Keyword arguments passed to :func:urllib.request.urlopen

Returns
-------
basename : str
Name of file written locally

"""
req = urlopen(url, **kwargs)
if as_browser:
page = Request(url, headers={'User-Agent': 'Mozilla/5.0'})
else:
page = url
req = urlopen(page, **kwargs)
# Get file size from header
file_size = req.length

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