fix: switch from curl to requests for HTTP requests

test/get_previous_releases.py

@@ -5,7 +5,7 @@
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #
 # Download or build previous releases.
-# Needs curl and tar to download a release, or the build dependencies when
+# Needs requests built-in python library and tar to download a release, or the build dependencies when
 # building a release.
 
 import argparse
@@ -18,6 +18,7 @@
 import subprocess
 import sys
 import hashlib
+import requests
 
 SHA256_SUMS = {
  "0e2819135366f150d9906e294b61dff58fd1996ebd26c2f8e979d6c0b7a79580": {"tag": "v0.14.3", "tarball": "bitcoin-0.14.3-aarch64-linux-gnu.tar.gz"},
@@ -133,20 +134,15 @@ def download_binary(tag, args) -> int:
 
  print('Fetching: {tarballUrl}'.format(tarballUrl=tarballUrl))
 
- header, status = subprocess.Popen(
- ['curl', '--head', tarballUrl], stdout=subprocess.PIPE).communicate()
- if re.search("404 Not Found", header.decode("utf-8")):
+ response = requests.head(tarballUrl)
+
+ if response.status_code == 404:
  print("Binary tag was not found")
  return 1
 
- curlCmds = [
- ['curl', '--remote-name', tarballUrl]
- ]
-
- for cmd in curlCmds:
- ret = subprocess.run(cmd).returncode
- if ret:
- return ret
+ response = requests.get(tarballUrl)
+ with open(tarball, 'wb') as file:
+ file.write(response.content)
 
  hasher = hashlib.sha256()
  with open(tarball, "rb") as afile: