124 lines
4.4 KiB
Python
124 lines
4.4 KiB
Python
from .operation import *
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LINK_STATUS_OPEN = 'OPEN'
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LINK_STATUS_CLOSED = 'CLOSED'
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LINK_STATUS_ACTIVE = 'ACTIVE'
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def get_status_schema(name: str) -> dict[str, dict[str, Any]]:
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return { 'link' : {'type': 'str' , 'optional': False , 'readonly': True },
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'status' : {'type': 'str' , 'optional': True , 'readonly': False},
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'setting' : {'type': 'float' , 'optional': True , 'readonly': False} }
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def get_status(name: str, link: str) -> dict[str, Any]:
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s = try_read(name, f"select * from status where link = '{link}'")
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if s == None:
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return { 'link': link, 'status': None, 'setting': None }
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d = {}
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d['link'] = str(s['link'])
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d['status'] = str(s['status']) if s['status'] != None else None
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d['setting'] = float(s['setting']) if s['setting'] != None else None
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return d
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class Status(object):
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def __init__(self, input: dict[str, Any]) -> None:
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self.type = 'status'
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self.link = str(input['link'])
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self.status = str(input['status']) if 'status' in input and input['status'] != None else None
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self.setting = float(input['setting']) if 'setting' in input and input['setting'] != None else None
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self.f_type = f"'{self.type}'"
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self.f_link = f"'{self.link}'"
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self.f_status = f"'{self.status}'" if self.status != None else 'null'
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self.f_setting = self.setting if self.setting != None else 'null'
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def as_dict(self) -> dict[str, Any]:
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return { 'type': self.type, 'link': self.link, 'status': self.status, 'setting': self.setting }
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def set_status_cache(name: str, cs: ChangeSet) -> DbChangeSet:
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old = Status(get_status(name, cs.operations[0]['link']))
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raw_new = get_status(name, cs.operations[0]['link'])
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new_dict = cs.operations[0]
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schema = get_status_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 = Status(raw_new)
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redo_sql = f"delete from status where link = {new.f_link};"
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if new.status != None or new.setting != None:
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redo_sql += f"\ninsert into status (link, status, setting) values ({new.f_link}, {new.f_status}, {new.f_setting});"
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undo_sql = f"delete from status where link = {old.f_link};"
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if old.status != None or old.setting != None:
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undo_sql += f"\ninsert into status (link, status, setting) values ({old.f_link}, {old.f_status}, {old.f_setting});"
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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_status(name: str, cs: ChangeSet) -> ChangeSet:
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return execute_command(name, set_status_cache(name, cs))
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class InpStatus:
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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.link = str(tokens[0])
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self.value = tokens[1].upper()
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self.is_status = True
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if self.value == LINK_STATUS_OPEN or self.value == LINK_STATUS_CLOSED or self.value == LINK_STATUS_ACTIVE:
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self.status = str(self.value)
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else:
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self.setting = float(self.value)
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self.is_status = False
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def inp_in_status(section: list[str]) -> ChangeSet:
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objs: dict[str, list[InpStatus]] = {}
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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 = InpStatus(s)
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if obj.link not in objs:
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objs[obj.link] = []
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objs[obj.link].append(obj)
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cs = ChangeSet()
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for link, values in objs.items():
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obj_cs : dict[str, Any] = g_update_prefix | {'type': 'status', 'link' : link, 'status': None, 'setting': None}
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for obj in values:
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if obj.is_status:
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obj_cs['status'] = obj.status
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else:
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obj_cs['setting'] = obj.setting
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cs.append(obj_cs)
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return cs
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def inp_out_status(name: str) -> list[str]:
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lines = []
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objs = read_all(name, 'select * from status')
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for obj in objs:
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link = obj['link']
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status = obj['status'] if obj['status'] != None else ''
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setting = obj['setting'] if obj['setting'] != None else ''
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if status != '':
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lines.append(f'{link} {status}')
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if setting != '':
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lines.append(f'{link} {setting}')
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return lines
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