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144 lines
5.3 KiB
Python
144 lines
5.3 KiB
Python
7 months ago
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"""
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This file encapsulates common operations associated with SQL databases via SQLAlchemy
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"""
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import sqlalchemy as sqa
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7 months ago
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def get_default_port(self) :
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raise Exception ("default port needs to be set")
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def _get_uri(self,**_args):
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_host = self._host
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_account = ''
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if self._port :
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_port = self._port
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else:
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_port = self.get_default_port()
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_host = f'{_host}:{_port}'
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if 'username' in _args :
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_account = ''.join([_args['username'],':',_args['password'],'@'])
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_database = self._database
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_provider = self.get_provider().replace(':','').replace('/','')
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# _uri = [f'{_provider}:/',_account,_host,_database]
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# _uri = [_item.strip() for _item in _uri if _item.strip()]
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# return '/'.join(_uri)
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return f'{_provider}://{_host}/{_database}' if _account == '' else f'{_provider}://{_account}{_host}/{_database}'
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class BaseReader(SQLBase):
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def __init__(self,**_args):
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super().__init__(**_args)
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def read(self,**_args):
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"""
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This function will read a query or table from the specific database
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"""
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if 'sql' in _args :
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sql = _args['sql']
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else:
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