logic for dealing with uploaded files

flaskfdx/upload.py

@@ -0,0 +1,20 @@
+from xlrd import inspect_format
+
+from flaskfdx.db import get_db
+from flaskfdx.tools import fdxsql
+
+def validate_xls_file(file):
+    if inspect_format(file) == 'xls':
+        return True
+    else:
+        return False
+
+def process_file(filetype, file):
+    error = None
+    db = get_db()
+    if filetype == 'dsw' and db and validate_xls_file(file):
+        date, error = fdxsql.processDsw(file, db)
+        filename = 'dsw-' + date +'.xls'
+    else:
+        filename = ''
+    return filename, error