Add check whether archive file exists

codimd_export.py

@@ -24,7 +24,8 @@ def prepare_target_dir(pathname):
     """Create the directory to dump documents to, but refuse to override an existing one."""
     target_dir = Path(pathname)
     if target_dir.exists():
-        raise SystemExit(f"error: the target directory {target_dir} already exists")
+        raise SystemExit(f"ERROR: the target directory {target_dir} already exists. Delete it, then re-execute this "
+                         f"script")
     target_dir.mkdir()
     return target_dir
 

hedgedoc_import.py

@@ -33,7 +33,16 @@ def import_single_document(instance_url, hedgedoc_free_url, content, session_id)
         return response.url
 
 
+def check_archive_exists(archive_file):
+    if not os.path.exists(archive_file):
+        raise SystemExit(
+            f"ERROR: File {archive_file} does not exist. Export your data from CodiMD and re-execute this script again!"
+            f" Aborting...")
+
+
 def import_into_hedgedoc(instance_url, session_id, export_folder, archive_file):
+    print("Beginning import")
+    check_archive_exists(archive_file)
     check_accessibility(instance_url, session_id)
     # let user select browser
     browser = select_browser()

md-import-export.py

@@ -4,5 +4,7 @@ from hedgedoc_import import import_into_hedgedoc
 
 if __name__ == "__main__":
     export_folder = "codimd-documents"
+    export_archive = "archive.zip"
     export_from_codimd("http://localhost:3001", get_sessionid("CodiMD", "connect.sid"), export_folder)
-    import_into_hedgedoc("http://hedgedoc:3000", get_sessionid("HedgeDoc", "connect.hedgeDoc.sid"), export_folder, "archive.zip")
+    import_into_hedgedoc("http://hedgedoc:3000", get_sessionid("HedgeDoc", "connect.hedgeDoc.sid"), export_folder,
+                         export_archive)