WIP: S2 download

scenes/download.py

@@ -56,6 +56,26 @@ def curl_url(url, postdata, verbose=False, fp=None, header=['Accept:application/
     if verbose:
         c.setopt(pycurl.VERBOSE, 1)
     if fp is not None:
+        progress_bar = None
+        last_download_d = 0
+        def _status(download_t, download_d, upload_t, upload_d):
+            """
+            callback function for c.XFERINFOFUNCTION
+            https://stackoverflow.com/questions/19724222/pycurl-attachments-and-progress-functions
+            :param download_t:
+            :param download_d:
+            :param upload_t:
+            :param upload_d:
+            :return:
+            """
+            nonlocal progress_bar, last_download_d
+            if not progress_bar:
+                progress_bar = tqdm.tqdm(total=download_t)
+            progress_bar.update(download_d - last_download_d)
+            last_download_d = download_d
+
+        c.setopt(c.NOPROGRESS, False)
+        c.setopt(c.XFERINFOFUNCTION, _status)
         c.setopt(pycurl.WRITEDATA, fp)
     else:
         c.setopt(pycurl.WRITEFUNCTION, storage.write)