Import python venv for stability

2026-02-15 21:24:16 -08:00
parent 1343e93a59
commit 7d784705c9
4997 changed files with 1628270 additions and 0 deletions
@@ -0,0 +1,43 @@
+# Copyright (c) 2010-2024 openpyxl
+
+"""
+OOXML has non-standard escaping for characters < \031
+"""
+
+import re
+
+
+def escape(value):
+    r"""
+    Convert ASCII < 31 to OOXML: \n == _x + hex(ord(\n)) + _
+    """
+
+    CHAR_REGEX = re.compile(r"[\001-\031]")
+
+    def _sub(match):
+        """
+        Callback to escape chars
+        """
+        return "_x{:0>4x}_".format(ord(match.group(0)))
+
+    return CHAR_REGEX.sub(_sub, value)
+
+
+def unescape(value):
+    r"""
+    Convert escaped strings to ASCIII: _x000a_ == \n
+    """
+
+
+    ESCAPED_REGEX = re.compile("_x([0-9A-Fa-f]{4})_")
+
+    def _sub(match):
+        """
+        Callback to unescape chars
+        """
+        return chr(int(match.group(1), 16))
+
+    if "_x" in value:
+        value = ESCAPED_REGEX.sub(_sub, value)
+
+    return value