190 lines
7.2 KiB
Python
190 lines
7.2 KiB
Python
from .database import *
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from .s0_base import *
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VALVES_TYPE_PRV = 'PRV'
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VALVES_TYPE_PSV = 'PSV'
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VALVES_TYPE_PBV = 'PBV'
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VALVES_TYPE_FCV = 'FCV'
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VALVES_TYPE_TCV = 'TCV'
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VALVES_TYPE_GPV = 'GPV'
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def get_valve_schema(name: str) -> dict[str, dict[str, Any]]:
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return { 'id' : {'type': 'str' , 'optional': False , 'readonly': True },
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'node1' : {'type': 'str' , 'optional': False , 'readonly': False},
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'node2' : {'type': 'str' , 'optional': False , 'readonly': False},
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'diameter' : {'type': 'float' , 'optional': False , 'readonly': False},
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'v_type' : {'type': 'str' , 'optional': False , 'readonly': False},
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'setting' : {'type': 'str' , 'optional': False , 'readonly': False},
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'minor_loss' : {'type': 'float' , 'optional': False , 'readonly': False} }
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def get_valve(name: str, id: str) -> dict[str, Any]:
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p = try_read(name, f"select * from valves where id = '{id}'")
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if p == None:
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return {}
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d = {}
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d['id'] = str(p['id'])
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d['node1'] = str(p['node1'])
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d['node2'] = str(p['node2'])
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d['diameter'] = float(p['diameter'])
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d['v_type'] = str(p['type'])
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d['setting'] = str(p['setting'])
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d['minor_loss'] = float(p['minor_loss'])
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return d
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class Valve(object):
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def __init__(self, input: dict[str, Any]) -> None:
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self.type = 'valve'
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self.id = str(input['id'])
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self.node1 = str(input['node1'])
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self.node2 = str(input['node2'])
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self.diameter = float(input['diameter'])
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self.v_type = str(input['v_type'])
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self.setting = str(input['setting'])
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self.minor_loss = float(input['minor_loss'])
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self.f_type = f"'{self.type}'"
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self.f_id = f"'{self.id}'"
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self.f_node1 = f"'{self.node1}'"
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self.f_node2 = f"'{self.node2}'"
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self.f_diameter = self.diameter
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self.f_v_type = f"'{self.v_type}'"
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self.f_setting = f"'{self.setting}'"
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self.f_minor_loss = self.minor_loss
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def as_dict(self) -> dict[str, Any]:
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return { 'type': self.type, 'id': self.id, 'node1': self.node1, 'node2': self.node2, 'diameter': self.diameter, 'v_type': self.v_type, 'setting': self.setting, 'minor_loss': self.minor_loss }
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def as_id_dict(self) -> dict[str, Any]:
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return { 'type': self.type, 'id': self.id }
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def set_valve_cmd(name: str, cs: ChangeSet) -> DbChangeSet:
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old = Valve(get_valve(name, cs.operations[0]['id']))
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raw_new = get_valve(name, cs.operations[0]['id'])
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new_dict = cs.operations[0]
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schema = get_valve_schema(name)
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for key, value in schema.items():
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if key in new_dict and not value['readonly']:
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raw_new[key] = new_dict[key]
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new = Valve(raw_new)
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redo_sql = f"update valves set node1 = {new.f_node1}, node2 = {new.f_node2}, diameter = {new.f_diameter}, type = {new.f_v_type}, setting = {new.f_setting}, minor_loss = {new.f_minor_loss} where id = {new.f_id};"
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undo_sql = f"update valves set node1 = {old.f_node1}, node2 = {old.f_node2}, diameter = {old.f_diameter}, type = {old.f_v_type}, setting = {old.f_setting}, minor_loss = {old.f_minor_loss} where id = {old.f_id};"
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redo_cs = g_update_prefix | new.as_dict()
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undo_cs = g_update_prefix | old.as_dict()
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return DbChangeSet(redo_sql, undo_sql, [redo_cs], [undo_cs])
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def set_valve(name: str, cs: ChangeSet) -> ChangeSet:
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if 'id' not in cs.operations[0]:
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return ChangeSet()
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if get_valve(name, cs.operations[0]['id']) == {}:
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return ChangeSet()
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return execute_command(name, set_valve_cmd(name, cs))
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def add_valve_cmd(name: str, cs: ChangeSet) -> DbChangeSet:
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new = Valve(cs.operations[0])
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redo_sql = f"insert into _link (id, type) values ({new.f_id}, {new.f_type});"
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redo_sql += f"\ninsert into valves (id, node1, node2, diameter, type, setting, minor_loss) values ({new.f_id}, {new.f_node1}, {new.f_node2}, {new.f_diameter}, {new.f_v_type}, {new.f_setting}, {new.f_minor_loss});"
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undo_sql = f"delete from valves where id = {new.f_id};"
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undo_sql += f"\ndelete from _link where id = {new.f_id};"
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redo_cs = g_add_prefix | new.as_dict()
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undo_cs = g_delete_prefix | new.as_id_dict()
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return DbChangeSet(redo_sql, undo_sql, [redo_cs], [undo_cs])
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def add_valve(name: str, cs: ChangeSet) -> ChangeSet:
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if 'id' not in cs.operations[0]:
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return ChangeSet()
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if get_valve(name, cs.operations[0]['id']) != {}:
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return ChangeSet()
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return execute_command(name, add_valve_cmd(name, cs))
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def delete_valve_cmd(name: str, cs: ChangeSet) -> DbChangeSet:
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old = Valve(get_valve(name, cs.operations[0]['id']))
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redo_sql = f"delete from valves where id = {old.f_id};"
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redo_sql += f"\ndelete from _link where id = {old.f_id};"
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undo_sql = f"insert into _link (id, type) values ({old.f_id}, {old.f_type});"
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undo_sql += f"\ninsert into valves (id, node1, node2, diameter, type, setting, minor_loss) values ({old.f_id}, {old.f_node1}, {old.f_node2}, {old.f_diameter}, {old.f_v_type}, {old.f_setting}, {old.f_minor_loss});"
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redo_cs = g_delete_prefix | old.as_id_dict()
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undo_cs = g_add_prefix | old.as_dict()
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return DbChangeSet(redo_sql, undo_sql, [redo_cs], [undo_cs])
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def delete_valve(name: str, cs: ChangeSet) -> ChangeSet:
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if 'id' not in cs.operations[0]:
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return ChangeSet()
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if get_valve(name, cs.operations[0]['id']) == {}:
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return ChangeSet()
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return execute_command(name, delete_valve_cmd(name, cs))
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#--------------------------------------------------------------
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# [EPA2][EPA3][IN][OUT]
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# id node1 node2 diam type setting (lcoeff lcurve)
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# for GPV, setting is string = head curve id
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# [NOT SUPPORT] for PCV, add loss curve if present
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#--------------------------------------------------------------
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def inp_in_valve(line: str) -> str:
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tokens = line.split()
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num = len(tokens)
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has_desc = tokens[-1].startswith(';')
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num_without_desc = (num - 1) if has_desc else num
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id = str(tokens[0])
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node1 = str(tokens[1])
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node2 = str(tokens[2])
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diameter = float(tokens[3])
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v_type = str(tokens[4].upper())
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setting = str(tokens[5])
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minor_loss = float(tokens[6]) if len(tokens) >= 7 else 0.0
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desc = str(tokens[-1]) if has_desc else None
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return f"insert into _link (id, type) values ('{id}', 'valve');insert into valves (id, node1, node2, diameter, type, setting, minor_loss) values ('{id}', '{node1}', '{node2}', {diameter}, '{v_type}', '{setting}', {minor_loss});"
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def inp_out_valve(name: str) -> list[str]:
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lines = []
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objs = read_all(name, 'select * from valves')
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for obj in objs:
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id = obj['id']
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node1 = obj['node1']
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node2 = obj['node2']
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diameter = obj['diameter']
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v_type = obj['type']
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setting = obj['setting']
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minor_loss = obj['minor_loss']
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desc = ';'
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lines.append(f'{id} {node1} {node2} {diameter} {v_type} {setting} {minor_loss} {desc}')
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return lines
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'''def delete_valve_by_node(name: str, node: str) -> ChangeSet:
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cs = ChangeSet()
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rows = read_all(name, f"select id from valves where node1 = '{node}' or node2 = '{node}'")
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for row in rows:
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cs.append(g_delete_prefix | {'type': 'valve', 'id': row['id']})
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return cs'''
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