Added header to Zenodo downloads

Author: PauBadiaM

src/decoupler/_download.py

@@ -6,6 +6,7 @@
 from tqdm import tqdm
 
 from decoupler._log import _log
+from importlib.metadata import version
 
 URL_DBS = "https://omnipathdb.org/annotations?databases="
 URL_INT = "https://omnipathdb.org/interactions/?genesymbols=1&"
@@ -17,10 +18,12 @@ def _download_chunks(
 ) -> io.BytesIO:
     assert isinstance(url, str), "url must be str"
     # Download with progress bar
-    m = f"Downloading {url}"
-    _log(m, level="info", verbose=verbose)
     chunks = []
-    with requests.get(url, stream=True) as r:
+    __version__ = version("decoupler")
+    headers = {
+        'User-Agent': f'decoupler/{__version__} (https://github.com/scverse/decoupler)'
+    }
+    with requests.get(url, stream=True, headers=headers) as r:
         r.raise_for_status()
         with tqdm(unit="B", unit_scale=True, desc="Progress", disable=not verbose) as pbar:
             for chunk in r.iter_content(chunk_size=8192):
@@ -29,8 +32,6 @@ def _download_chunks(
                     pbar.update(len(chunk))
     # Read into bytes
     data = io.BytesIO(b"".join(chunks))
-    m = "Download finished"
-    _log(m, level="info", verbose=verbose)
     return data