refine

api/s0_base.py

@@ -7,6 +7,7 @@ _NODE = '_node'
 _LINK = '_link'
 _CURVE = '_curve'
 _PATTERN = '_pattern'
+_REGION = '_region'
 
 JUNCTION = 'junction'
 RESERVOIR = 'reservoir'
@@ -18,6 +19,8 @@ VALVE = 'valve'
 PATTERN = 'pattern'
 CURVE = 'curve'
 
+REGION = 'region'
+
 
 def _get_from(name: str, id: str, base_type: str) -> Row | None:
     with conn[name].cursor(row_factory=dict_row) as cur:
@@ -70,6 +73,9 @@ def is_curve(name: str, id: str) -> bool:
 def is_pattern(name: str, id: str) -> bool:
     return _get_from(name, id, _PATTERN) != None
 
+def is_region(name: str, id: str) -> bool:
+    return _get_from(name, id, _REGION) != None
+
 
 def _get_all(name: str, base_type: str) -> list[str]:
     ids : list[str] = []
@@ -95,6 +101,8 @@ def get_curves(name: str) -> list[str]:
 def get_patterns(name: str) -> list[str]:
     return _get_all(name, _PATTERN)
 
+def get_regions(name: str) -> list[str]:
+    return _get_all(name, _REGION)
 
 def get_node_links(name: str, id: str) -> list[str]:
     with conn[name].cursor(row_factory=dict_row) as cur: