Début implémentation wrapper Python sur rkt/acbuild

rkt.py

@@ -0,0 +1,58 @@
+from urllib import request
+from os import environ
+import sys
+import math
+import tarfile
+
+def print_progress_bar(percent_progress=0, char_size=50, clear_line=True):
+
+    bar_progress = math.floor(char_size*(percent_progress/100))
+    bar = "=" * bar_progress + " " * (char_size - bar_progress)
+
+    if clear_line:
+        sys.stdout.write(u"\u001b[1000D")
+    sys.stdout.write("[{:s}] {:d}%".format(bar, int(percent_progress)))
+    sys.stdout.flush()
+
+def download_file(file_url, dest_path, bulk_size = 8192):
+
+    req = request.urlopen(file_url)
+    meta = req.info()
+    file_size = int(meta.get('Content-Length'))
+
+    with open(dest_path, 'wb') as dest_file:
+        print('Downloading "{:s}". Size: {:d}b'.format(file_url, file_size))
+        downloaded_size = 0
+        while True:
+            buff = req.read(bulk_size)
+            if not buff:
+                break
+            downloaded_size += len(buff)
+            dest_file.write(buff)
+            progress = downloaded_size/file_size*100
+            print_progress_bar(progress)
+        dest_file.close()
+    # Add linebreak
+    print("")
+
+def extract_tar(file_path, dest_dir = "."):
+    print('Extracting "{:s}" to "{:s}"'.format(file_path, dest_dir))
+    with tarfile.open(file_path) as tar:
+        tar.extractall(dest_dir)
+        tar.close()
+
+def download_rkt():
+    url = "https://github.com/coreos/rkt/releases/download/v1.22.0/rkt-v1.22.0.tar.gz"
+    file_path="rkt.tar.gz"
+    download_file(file_url=url, dest_path=file_path)
+    extract_tar(file_path)
+
+def download_acbuild():
+    url = "https://github.com/containers/build/releases/download/v0.4.0/acbuild-v0.4.0.tar.gz"
+    file_path="acbuild.tar.gz"
+    download_file(file_url=url, dest_path=file_path)
+    extract_tar(file_path)
+
+if __name__ == "__main__":
+    download_rkt()
+    download_acbuild()