first commit

files/modules/excel/storage.py

@@ -0,0 +1,67 @@
+import oci
+from datetime import datetime, timedelta
+from config_loader import load_config
+from oci.object_storage.models import CreatePreauthenticatedRequestDetails
+
+config = load_config()
+
+
+oci_config = oci.config.from_file(
+    file_location="~/.oci/config",
+    profile_name=config.bucket_profile
+)
+
+object_storage = oci.object_storage.ObjectStorageClient(oci_config)
+
+
+def _namespace():
+    if config.oci_namespace != "auto":
+        return config.oci_namespace
+
+    return object_storage.get_namespace().data
+
+
+# =========================
+# Upload file
+# =========================
+def upload_file(local_path: str, object_name: str):
+
+    with open(local_path, "rb") as f:
+        object_storage.put_object(
+            namespace_name=_namespace(),
+            bucket_name=config.oci_bucket,
+            object_name=object_name,
+            put_object_body=f
+        )
+    print(f"SUCCESS on Upload {object_name}")
+
+# =========================
+# Pre-authenticated download URL
+# =========================
+def generate_download_url(object_name: str, hours=24):
+
+    expire = datetime.utcnow() + timedelta(hours=hours)
+
+    details = CreatePreauthenticatedRequestDetails(
+        name=f"job-{object_name}",
+        access_type="ObjectRead",
+        object_name=object_name,
+        time_expires=expire
+    )
+
+    response = object_storage.create_preauthenticated_request(
+        namespace_name=_namespace(),
+        bucket_name=config.oci_bucket,
+        create_preauthenticated_request_details=details
+    )
+
+    par = response.data
+
+    download_link = (
+        f"https://objectstorage.{oci_config['region']}.oraclecloud.com{par.access_uri}"
+    )
+
+    print("PAR CREATED OK")
+    print(download_link)
+
+    return download_link