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WIP: make it so that doing : python download_data.py is all you need … #25

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WIP: make it so that doing : python download_data.py is all you need … #25

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29 changes: 27 additions & 2 deletions download_data.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,9 @@
import argparse
import tempfile
import tarfile
import getpass
import subprocess
import webbrowser


data = {
Expand Down Expand Up @@ -48,7 +51,7 @@ def data_fetch(check_hash=True):
-------
None
"""
wget.download(data["url"])
# wget.download(data["url"])
Comment on lines -51 to +54
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filename = os.path.basename(data["url"])

if check_hash:
Expand All @@ -57,9 +60,31 @@ def data_fetch(check_hash=True):
if check_hash_correct(filename, data["encrypted_hash"]):
print("Data verified to be correct.")
else:
print(
raise ValueError(
"There is something wrong with the data. Verify that the expected files are present."
)

print("Decrypting archive.")
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Suggested change
print("Decrypting archive.")
print(
"Decrypting archive.\n"
"You need a password to open the archive. Please visit "
"https://tiny.cc/ramp_stroke_data_form, fill the form and get the "
"password on the validation page."
)

# Decrypt the data.
retcode = subprocess.call(
['openssl', 'aes-256-cbc', '-md', 'sha256',
'-d', '-a', '-in',
'ATLAS_R2.0_encrypted.tar.gz', '-out', 'ATLAS_R2.0.tar.gz',
'-pass', f'pass:{getpass.getpass("Enter password:")}']
)

if retcode != 0: # decrypt failed
url_form = "https://docs.google.com/forms/d/e/1FAIpQLSclH8padHr9zwdQVx9YY_yeM_4OqD1OQFvYcYpAQKaqC6Vscg/viewform"
print("Decrypting failed due to missing openssl command or invalid password. Opening form"
" for you to get this password.")
webbrowser.open_new_tab(url_form)
return

print("Extracting archive.")
tar = tarfile.open(filename.replace("_encrypted", ""), "r:gz")
tar.extractall("./data")
tar.close()
print("Done.")
return


Expand Down