添加native.api源码；临时处理run_simulation中iot数据库name的判断

app/native/api/s16_emitters.py

@@ -0,0 +1,98 @@
+from .database import *
+
+
+def get_emitter_schema(name: str) -> dict[str, dict[str, Any]]:
+    return { 'junction'    : {'type': 'str'   , 'optional': False , 'readonly': True },
+             'coefficient' : {'type': 'float' , 'optional': True ,  'readonly': False} }
+
+
+def get_emitter(name: str, junction: str) -> dict[str, Any]:
+    e = try_read(name, f"select * from emitters where junction = '{junction}'")
+    if e == None:
+        return { 'junction': junction, 'coefficient': None }
+    d = {}
+    d['junction'] = str(e['junction'])
+    d['coefficient'] = float(e['coefficient']) if e['coefficient'] != None else None
+    return d
+
+
+class Emitter(object):
+    def __init__(self, input: dict[str, Any]) -> None:
+        self.type = 'emitter'
+        self.junction = str(input['junction'])
+        self.coefficient = float(input['coefficient']) if 'coefficient' in input and input['coefficient'] != None else None
+
+        self.f_type = f"'{self.type}'"
+        self.f_junction = f"'{self.junction}'"
+        self.f_coefficient = self.coefficient if self.coefficient != None else 'null'
+
+    def as_dict(self) -> dict[str, Any]:
+        return { 'type': self.type, 'junction': self.junction, 'coefficient': self.coefficient }
+
+
+def _set_emitter(name: str, cs: ChangeSet) -> DbChangeSet:
+    old = Emitter(get_emitter(name, cs.operations[0]['junction']))
+    raw_new = get_emitter(name, cs.operations[0]['junction'])
+
+    new_dict = cs.operations[0]
+    schema = get_emitter_schema(name)
+    for key, value in schema.items():
+        if key in new_dict and not value['readonly']:
+            raw_new[key] = new_dict[key]
+    new = Emitter(raw_new)
+
+    redo_sql = f"delete from emitters where junction = {new.f_junction};"
+    if new.coefficient != None:
+        redo_sql += f"\ninsert into emitters (junction, coefficient) values ({new.f_junction}, {new.f_coefficient});"
+
+    undo_sql = f"delete from emitters where junction = {old.f_junction};"
+    if old.coefficient != None:
+        undo_sql += f"\ninsert into emitters (junction, coefficient) values ({old.f_junction}, {old.f_coefficient});"
+
+    redo_cs = g_update_prefix | new.as_dict()
+    undo_cs = g_update_prefix | old.as_dict()
+
+    return DbChangeSet(redo_sql, undo_sql, [redo_cs], [undo_cs])
+
+
+def set_emitter(name: str, cs: ChangeSet) -> ChangeSet:
+    return execute_command(name, _set_emitter(name, cs))
+
+
+#--------------------------------------------------------------
+# [EPA2][IN][OUT]
+#   node   Ke
+#--------------------------------------------------------------
+# [EPA3][IN][OUT]
+#   node   Ke  (exponent pattern)
+#--------------------------------------------------------------
+
+
+def inp_in_emitter(line: str) -> str:
+    tokens = line.split()
+
+    num = len(tokens)
+    has_desc = tokens[-1].startswith(';')
+    num_without_desc = (num - 1) if has_desc else num
+
+    junction = str(tokens[0])
+    coefficient = float(tokens[1])
+
+    return str(f"insert into emitters (junction, coefficient) values ('{junction}', {coefficient});")
+
+
+def inp_out_emitter(name: str) -> list[str]:
+    lines = []
+    objs = read_all(name, 'select * from emitters')
+    for obj in objs:
+        junction = obj['junction']
+        coefficient = obj['coefficient']
+        lines.append(f'{junction} {coefficient}')
+    return lines
+
+
+def delete_emitter_by_junction(name: str, junction: str) -> ChangeSet:
+    row = try_read(name, f"select * from emitters where junction = '{junction}'")
+    if row == None:
+        return ChangeSet()
+    return ChangeSet(g_update_prefix | {'type' : 'emitter', 'junction': junction, 'coefficient': None})