two version of R2R are here HEAD master

1 files changed, 53 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/azure/storage/filedatalake/_shared/parser.py b/.venv/lib/python3.12/site-packages/azure/storage/filedatalake/_shared/parser.py
new file mode 100644
index 00000000..112c1984
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/azure/storage/filedatalake/_shared/parser.py
@@ -0,0 +1,53 @@
+# -------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for
+# license information.
+# --------------------------------------------------------------------------
+
+from datetime import datetime, timezone
+from typing import Optional
+
+EPOCH_AS_FILETIME = 116444736000000000  # January 1, 1970 as MS filetime
+HUNDREDS_OF_NANOSECONDS = 10000000
+
+
+def _to_utc_datetime(value: datetime) -> str:
+    return value.strftime('%Y-%m-%dT%H:%M:%SZ')
+
+
+def _rfc_1123_to_datetime(rfc_1123: str) -> Optional[datetime]:
+    """Converts an RFC 1123 date string to a UTC datetime.
+
+    :param str rfc_1123: The time and date in RFC 1123 format.
+    :returns: The time and date in UTC datetime format.
+    :rtype: datetime
+    """
+    if not rfc_1123:
+        return None
+
+    return datetime.strptime(rfc_1123, "%a, %d %b %Y %H:%M:%S %Z")
+
+
+def _filetime_to_datetime(filetime: str) -> Optional[datetime]:
+    """Converts an MS filetime string to a UTC datetime. "0" indicates None.
+    If parsing MS Filetime fails, tries RFC 1123 as backup.
+
+    :param str filetime: The time and date in MS filetime format.
+    :returns: The time and date in UTC datetime format.
+    :rtype: datetime
+    """
+    if not filetime:
+        return None
+
+    # Try to convert to MS Filetime
+    try:
+        temp_filetime = int(filetime)
+        if temp_filetime == 0:
+            return None
+
+        return datetime.fromtimestamp((temp_filetime - EPOCH_AS_FILETIME) / HUNDREDS_OF_NANOSECONDS, tz=timezone.utc)
+    except ValueError:
+        pass
+
+    # Try RFC 1123 as backup
+    return _rfc_1123_to_datetime(filetime)