161 lines
5.7 KiB
Python
161 lines
5.7 KiB
Python
from .database import *
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from .s0_base import *
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SOURCE_TYPE_CONCEN = 'CONCEN'
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SOURCE_TYPE_MASS = 'MASS'
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SOURCE_TYPE_FLOWPACED = 'FLOWPACED'
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SOURCE_TYPE_SETPOINT = 'SETPOINT'
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def get_source_schema(name: str) -> dict[str, dict[str, Any]]:
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return { 'node' : {'type': 'str' , 'optional': False , 'readonly': True },
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's_type' : {'type': 'str' , 'optional': False , 'readonly': False},
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'strength' : {'type': 'float' , 'optional': False , 'readonly': False},
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'pattern' : {'type': 'str' , 'optional': True , 'readonly': False} }
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def get_source(name: str, node: str) -> dict[str, Any]:
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s = try_read(name, f"select * from sources where node = '{node}'")
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if s == None:
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return {}
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d = {}
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d['node'] = str(s['node'])
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d['s_type'] = str(s['type'])
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d['strength'] = float(s['strength'])
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d['pattern'] = str(s['pattern']) if s['pattern'] != None else None
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return d
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class Source(object):
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def __init__(self, input: dict[str, Any]) -> None:
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self.type = 'source'
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self.node = str(input['node'])
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self.s_type = str(input['s_type'])
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self.strength = float(input['strength'])
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self.pattern = str(input['pattern']) if 'pattern' in input and input['pattern'] != None else None
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self.f_type = f"'{self.type}'"
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self.f_node = f"'{self.node}'"
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self.f_s_type = f"'{self.s_type}'"
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self.f_strength = self.strength
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self.f_pattern = f"'{self.pattern}'" if self.pattern != None else 'null'
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def as_dict(self) -> dict[str, Any]:
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return { 'type': self.type, 'node': self.node, 's_type': self.s_type, 'strength': self.strength, 'pattern': self.pattern }
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def as_id_dict(self) -> dict[str, Any]:
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return { 'type': self.type, 'node': self.node }
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def set_source_cmd(name: str, cs: ChangeSet) -> DbChangeSet:
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old = Source(get_source(name, cs.operations[0]['node']))
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raw_new = get_source(name, cs.operations[0]['node'])
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new_dict = cs.operations[0]
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schema = get_source_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 = Source(raw_new)
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redo_sql = f"update sources set type = {new.f_s_type}, strength = {new.f_strength}, pattern = {new.f_pattern} where node = {new.f_node};"
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undo_sql = f"update sources set type = {old.f_s_type}, strength = {old.f_strength}, pattern = {old.f_pattern} where node = {old.f_node};"
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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_source(name: str, cs: ChangeSet) -> ChangeSet:
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return execute_command(name, set_source_cmd(name, cs))
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def add_source_cmd(name: str, cs: ChangeSet) -> DbChangeSet:
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new = Source(cs.operations[0])
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redo_sql = f"insert into sources (node, type, strength, pattern) values ({new.f_node}, {new.f_s_type}, {new.f_strength}, {new.f_pattern});"
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undo_sql = f"delete from sources where node = {new.f_node};"
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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_source(name: str, cs: ChangeSet) -> ChangeSet:
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return execute_command(name, add_source_cmd(name, cs))
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def delete_source_cmd(name: str, cs: ChangeSet) -> DbChangeSet:
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old = Source(get_source(name, cs.operations[0]['node']))
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redo_sql = f"delete from sources where node = {old.f_node};"
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undo_sql = f"insert into sources (node, type, strength, pattern) values ({old.f_node}, {old.f_s_type}, {old.f_strength}, {old.f_pattern});"
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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_source(name: str, cs: ChangeSet) -> ChangeSet:
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return execute_command(name, delete_source_cmd(name, cs))
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#--------------------------------------------------------------
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# [EPANET2]
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# node sourcetype quality (pattern)
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#--------------------------------------------------------------
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class InpSource:
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def __init__(self, line: str) -> None:
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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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self.node = str(tokens[0])
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self.s_type = str(tokens[1].upper())
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self.strength = float(tokens[2])
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self.pattern = str(tokens[3]) if num_without_desc >= 4 else None
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def inp_in_source(section: list[str]) -> ChangeSet:
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cs = ChangeSet()
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for s in section:
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# skip comment
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if s.startswith(';'):
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continue
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obj = InpSource(s)
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cs.append(g_add_prefix | {'type': 'source', 'node': obj.node, 's_type': obj.s_type, 'strength': obj.strength, 'pattern': obj.pattern})
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return cs
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def inp_out_source(name: str) -> list[str]:
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lines = []
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objs = read_all(name, 'select * from sources')
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for obj in objs:
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node = obj['node']
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s_type = obj['type']
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strength = obj['strength']
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pattern = obj['pattern'] if obj['pattern'] != None else ''
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lines.append(f'{node} {s_type} {strength} {pattern}')
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return lines
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def delete_source_by_node(name: str, node: str) -> ChangeSet:
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row = try_read(name, f"select * from sources where node = '{node}'")
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if row == None:
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return ChangeSet()
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return ChangeSet(g_delete_prefix | {'type' : 'source', 'node': node})
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def unset_source_by_pattern(name: str, pattern: str) -> ChangeSet:
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cs = ChangeSet()
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rows = read_all(name, f"select node from sources where pattern = '{pattern}'")
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for row in rows:
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cs.append(g_update_prefix | {'type': 'source', 'node': row['node'], 'pattern': None})
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return cs
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