structure saas with tools

.venv/lib/python3.10/site-packages/shapely/wkb.py

@@ -0,0 +1,70 @@
+"""Load/dump geometries using the well-known binary (WKB) format.
+
+Also provides pickle-like convenience functions.
+"""
+
+import shapely
+
+
+def loads(data, hex=False):
+    """Load a geometry from a WKB byte string.
+
+    If ``hex=True``, the string will be hex-encoded.
+
+    Raises
+    ------
+    GEOSException, UnicodeDecodeError
+        If ``data`` contains an invalid geometry.
+
+    """
+    return shapely.from_wkb(data)
+
+
+def load(fp, hex=False):
+    """Load a geometry from an open file.
+
+    Raises
+    ------
+    GEOSException, UnicodeDecodeError
+        If the given file contains an invalid geometry.
+
+    """
+    data = fp.read()
+    return loads(data, hex=hex)
+
+
+def dumps(ob, hex=False, srid=None, **kw):
+    """Dump a WKB representation of a geometry to a byte string.
+
+    If ``hex=True``, the string will be hex-encoded.
+
+    Parameters
+    ----------
+    ob : geometry
+        The geometry to export to well-known binary (WKB) representation.
+    hex : bool
+        If true, export the WKB as a hexadecimal string. The default is to
+        return a binary string/bytes object.
+    srid : int
+        Spatial reference system ID to include in the output. The default value
+        means no SRID is included.
+    **kw : kwargs, optional
+        Keyword output options passed to :func:`~shapely.to_wkb`.
+
+    """
+    if srid is not None:
+        # clone the object and set the SRID before dumping
+        ob = shapely.set_srid(ob, srid)
+        kw["include_srid"] = True
+    if "big_endian" in kw:
+        # translate big_endian=True/False into byte_order=0/1
+        # but if not specified, keep the default of byte_order=-1 (native)
+        big_endian = kw.pop("big_endian")
+        byte_order = 0 if big_endian else 1
+        kw.update(byte_order=byte_order)
+    return shapely.to_wkb(ob, hex=hex, **kw)
+
+
+def dump(ob, fp, hex=False, **kw):
+    """Dump a geometry to an open file."""
+    fp.write(dumps(ob, hex=hex, **kw))