Initial commit. Basic models mostly done.

venv/lib/python3.8/site-packages/django/contrib/gis/geometry.py

@@ -0,0 +1,13 @@
+import re
+
+# Regular expression for recognizing HEXEWKB and WKT.  A prophylactic measure
+# to prevent potentially malicious input from reaching the underlying C
+# library.  Not a substitute for good Web security programming practices.
+hex_regex = re.compile(r'^[0-9A-F]+$', re.I)
+wkt_regex = re.compile(r'^(SRID=(?P<srid>\-?\d+);)?'
+                       r'(?P<wkt>'
+                       r'(?P<type>POINT|LINESTRING|LINEARRING|POLYGON|MULTIPOINT|'
+                       r'MULTILINESTRING|MULTIPOLYGON|GEOMETRYCOLLECTION)'
+                       r'[ACEGIMLONPSRUTYZ\d,\.\-\+\(\) ]+)$',
+                       re.I)
+json_regex = re.compile(r'^(\s+)?\{.*}(\s+)?$', re.DOTALL)