v2.0: refactor
This commit is contained in:
Steve Nyemba
parent
4f61eb87c5
commit
a377f8ff43
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@ -1,456 +0,0 @@
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from typing import Any
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import numpy as np
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import json
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from multiprocessing import Process, RLock
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import os
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import io
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import queue
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import transport
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from transport import providers
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class Store(Process):
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"""
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This is the data-store service that will handle read/writes
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"""
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dataStore = None
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@staticmethod
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def init(self,**_args):
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if Store.dataStore is None :
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_args = _args['store']
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else:
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pass
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@staticmethod
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def reset():
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pass
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class X12DOCUMENT (Process):
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"""
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X12DOCUMENT class encapsulates functions that will be used to format an x12 (835,837) claim into an object
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"""
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_queue = queue.Queue()
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class MODE :
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#
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# The following allow us to handle raw content (stream) or a filename
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# The raw content will be wrapped into io.StringIO so that it is handled as if it were a file
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#
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NAMES,STREAM = 'NAMES','STREAM'
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class ConfigHandler :
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def format(self,**_args):
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"""
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This function formats variations of an element's parsing rules
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:info {index,field|label,map}
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"""
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_info = _args['info']
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_ref = {}
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for _item in _info :
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_index = str(_item['index'])
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_field = _item['field'] if 'field' in _item else None
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_label = _item['label'] if 'label' in _item else None
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if _field :
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_ref[_index] = {'field':_field}
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elif _label :
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_ref[_index] = {'label':_label}
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return {'@ref':_ref}
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def _getColumnsIndexes(self,_columns,_indexes,_map):
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"""
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This function return columns and indexes related if a parsing map is passed
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:param _columns
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:param _indexes
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:param _map parsing map (field:index)
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"""
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# @TODO: insure the lengths are the same for adequate usage downstream ...
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_xcolumns,_xindexes = list(_map.keys()), list(_map.values())
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keys,values = _xcolumns + _columns,_xindexes + _indexes
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_config = dict(zip(keys,values))
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_outColumns,_outIndexes = list(_config.keys()),list(_config.values())
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return _outColumns,_outIndexes
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def _getObjectAtributes(self,_config):
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_field = _config['field'] if 'field' in _config else {}
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_label = _config['label'] if 'label' in _config else {}
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return _field,_label
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def merge(self,**_args):
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#
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# This function overrides the old configuration with the new configuration specifications
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#
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# _columns,_indexes = [],[]
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_columns,_indexes = _args['columns'],_args['index']
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_map = {}
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_config = _args['config'] if 'config' in _args else {}
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_field,_label = self._getObjectAtributes(_config)
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if 'map' in _config :
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_map = _args['config']['map']
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_columns,_indexes = self._getColumnsIndexes(_columns,_indexes,_map)
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if '@ref' in _config :
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# _columns,_indexes = [],[]
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_row = _args['row']
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_ref = _config['@ref']
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for _anchor in _ref:
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# print ([_anchor,_anchor == _row[1].strip()])
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if _anchor == _row[1].strip() :
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_field,_label = self._getObjectAtributes(_ref[_anchor])
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_map = _ref[_anchor]['map'] if 'map' in _ref[_anchor] else {}
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if _map :
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_columns,_indexes = self._getColumnsIndexes([],[],_map)
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break
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# _columns,_indexes = _columns + _map.keys()
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return {'columns':_columns,'index':_indexes,'field':_field,'label':_label}
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def legacy(self,**_args):
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#
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# This function returns the legacy configuration (default parsing)
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#
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_config = _args['config'] if 'config' in _args else {}
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_field,_label = self._getObjectAtributes(_config)
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_columns,_indexes = [],[]
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if 'map' in _config :
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_columns = list(_config['map'].keys())
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_indexes = list(_config['map'].values())
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return {'columns':_columns,'index':_indexes,'field':_field,'label':_label}
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def override(self,**_args):
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return _args['columns'],_args['indexes']
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def __init__(self,**_args):
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super().__init__()
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self._mode = _args['mode'] if 'mode' in _args else 'NAMES'
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if 'files' in _args :
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self.files = _args['files']
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self._config = _args['config'] if 'config' in _args else {}
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self._document = []
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self._x12FileType = None
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self._configHandler = X12DOCUMENT.ConfigHandler()
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#
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#-- The files need to be classified, the files need to be either claims or remits
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#
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if 'store' not in self._config :
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self._store_args = _args['store'] if 'store' in _args else {'provider':providers.CONSOLE}
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else:
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self._store_args = self._config['store']
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def init(self,_header):
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"""
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Expected Elements must include ST
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"""
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pass
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def merge (self,_x,_y):
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"""
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This function will merge two objects _x, _y
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"""
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_zcols = list(set(_x.keys()) & set(_y.keys())) #--common columns
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if _zcols :
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_out = dict(_x,**{})
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for _key in _y.keys() :
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if not _key in _zcols :
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_out[_key] = _y[_key]
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else:
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if type(_out[_key]) == list :
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_out[_key] += _y[_key]
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elif type(_out[_key]) == dict:
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_out[_key] = dict(_out[_key],**_y[_key])
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else:
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_out[_key] = _y[_key]
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return _out
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else:
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return dict(_x,**_y)
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def split(self,content):
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"""
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This function will split the content of an X12 document into blocks and headers
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:content x12 document in raw format (text)
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"""
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#_content = content.split('~')
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_content = content.split('HL')
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_header = _content[:1][0].split('~')
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_blocks = ['HL'+_item for _item in _content[1:]]
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_blocks = [_item.split('~') for _item in _blocks ]
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# for row in _content :
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# if not _blocks and not row.startswith('HL') :
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# _header.append(row)
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# else:
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# _blocks.append(row)
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return {'header':_header,'blocks':_blocks}
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def parse (self,columns,index,**_args):
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"""
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This function encapulates how an x12 document element will be processed
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:columns list of attributes that make up the object
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:index indexes of the said items in the element
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:_args
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- row raw x12 element (string)
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- config configuration of the element. his should indicate functions to apply against function
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"""
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_ELEMENT = _args['row'][0]
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#
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# get the right configuration from the _config object
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_config = _args['config'][_ELEMENT] if _ELEMENT in _args['config'] else {}
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# _field = _config['field'] if 'field' in _config else None
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# _label = _config['label'] if 'label' in _config else None
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_map = _config['map'] if 'map' in _config else {}
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#
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# Let's see if overriding the fields/labels isn't necessary
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# columns, index,_refField,_refLabel = self._configHandler.merge(row=_args['row'],columns=columns,index=index,config=_config)
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# _field = _field if not _refField else _refField
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# _label = _label if not _refLabel else _refLabel
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_outInfo = self._configHandler.merge(row=_args['row'],columns=columns,index=index,config=_config)
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_field,_label = _outInfo['field'],_outInfo['label']
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_columns,_index = _outInfo['columns'],_outInfo['index']
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if 'row' in _args:
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_row = _args['row'] if type(_args['row']) == list else _args['row'].split('*')
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_index = np.array(_index)
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#
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# Sometimes the _row doesn't have all expected indexes, we will compensate
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# This allows to minimize parsing errors as it may relate to disconnects between configuration and x12 element variations (shitty format)
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#
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if np.max(_index) > len(_row) -1 :
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_delta = 1 + np.max(_index) - len(_row)
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_row = _row + np.repeat('',_delta).tolist()
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_row = np.array(_row)
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# _element = _row[0]
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_configKeys = [] #list(self._config.keys())
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_configTree = [] #list(self._config.values())
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if 'config' in _args :
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_config = _args['config']
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_configKeys = list(_config.keys())
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_configTree = list(_config.values())
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else:
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_config = {}
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_info = dict(zip(_columns,_row[_index].tolist()))
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_document = _args['document'] if 'document' in _args else {}
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#
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# Extracting configuration (minimal information)
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# _config = _args['config'] if 'config' in _args else {}
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# _config = self._config
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# if '@ref' in _config :
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# print (_config['@ref'])
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# _values = _config['@ref']
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# print (_values)
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if _field :
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if not _field in _document :
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return {_field:_info}
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else:
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return self.merge(_document[_field],_info)
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elif _label :
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if not _label in _document :
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return {_label:[_info]}
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else:
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return _document[_label] + [_info]
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else:
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return _info
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else:
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return columns
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def elements(self):
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"""
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This function returns elements that are supported as specified by X12 standard
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"""
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return [_name for _name in dir(self) if not _name.startswith('_') and not _name.islower() ]
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def pointers(self):
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"""
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This function returns pointers associated with each element ...
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:return Object of Element:Function
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"""
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_attr = self.elements()
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_pointers = [getattr(self,_name) for _name in _attr]
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return dict(zip(_attr,_pointers))
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def set(self,_info,_document,_config):
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_attrName,_attrType = None,None
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if 'label' in _config :
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_attrType = 'label'
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_attrName = _config['label']
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elif 'field' in _config :
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_attrType = 'field'
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_attrName = _config['field']
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if _attrName :
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if _attrName not in _document :
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_document[_attrName] = [] if _attrType == 'label' else {}
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#
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# @TODO: make sure we don't have a case of an attribute being overridden
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if type(_document[_attrName]) == list :
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_document[_attrName] += [_info]
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else:
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_document[_attrName] = dict(_document[_attrName],**_info)
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# _document[_attrName] += [_info] if _attrType == 'label' else dict(_document[_attrName],**_info)
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return _document
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return dict(_document,**_info)
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pass
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def log (self,**_args):
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pass
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def run(self):
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"""
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This function will trigger the workflow associated with a particular file
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"""
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_getContent = {
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#
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# For the sake of testing, the following insures
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# that raw string content is handled as if it were a file
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#
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X12DOCUMENT.MODE.STREAM: (lambda stream : io.StringIO(stream)) ,
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X12DOCUMENT.MODE.NAMES: (lambda name: open(name))
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}
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_writer = transport.factory.instance(**self._store_args)
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for _filename in self.files :
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try:
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_documents = []
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_parts = []
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# _content = (open(_filename)).read()
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_reader = _getContent[self._mode]
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_content = _reader(_filename).read()
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_info = self.split(_content)
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_fileType=self.init(_content)
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_header = self.apply(_info['header'])
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# print (json.dumps(_header))
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for _content in _info['blocks'] :
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_body = self.apply(_content,header=_header)
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_doc = self.merge(_header,_body)
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if _doc and 'claim_id' in _doc:
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# X12DOCUMENT._queue.put(_document)
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_documents += [_doc]
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except Exception as e:
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#
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# @TODO: Log this issue for later analysis ...
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print (e)
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pass
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#
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# Let us post this to the documents we have, we should find a place to post it
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#
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if _documents :
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# print (_header['header'])
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self.post(document=_documents,writer=_writer)
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break
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def post(self,**_args):
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"""
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This function is intended to post content to a given location
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:param document
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:param writer
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"""
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_writer = _args['writer'] if 'writer' in _args else None
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_document = _args['document']
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if not _writer:
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X12DOCUMENT._queue.put(_document)
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else:
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_writer.write(_document)
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def _getConfig(self,_chunk):
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#
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# Let us determine what kind of file we are dealing with, so we can extract the configuration
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# For this we need to look for the ST loop ...
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#
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line = [line for line in _chunk if line and line[:2] == 'ST' ]
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if line :
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#
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# We found the header of the block, so we can set the default configuration
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#
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self._x12FileType = line[0].split('*')[1].strip()
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_config = {}
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if self._x12FileType :
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_config = self._config[self._x12FileType]
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return _config
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def apply(self,_chunk, header = {}):
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"""
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_chunks are groups of elements split by HL, within each chunk are x12 loops HL,CLM,ISA
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"""
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_document,_cached = {},{}
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_pointers = self.pointers()
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_config = self._getConfig(_chunk)
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#
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# The configuration comes from the file, let's run this in merge mode
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# _config = self._configHandler.merge
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_pid = None
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for line in _chunk :
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segments = line.split('*')
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_ELEMENT = segments[0]
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if _ELEMENT not in _pointers or not _ELEMENT:
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continue
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if _ELEMENT in ['HL','CLM','ISA'] or not _pid:
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_pid = _ELEMENT
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if _pid not in _cached :
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_cached [_pid] = {}
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_pointer = _pointers[_ELEMENT]
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_args = {'row':segments,'document':_document,'header':header,'config':(_config)}
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_parsedLine = _pointer(**_args)
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# print ([_pid,_ELEMENT,_parsedLine])
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_cached[_pid] = self.merge(_cached[_pid],_parsedLine)
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#
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# Let's create the documents as we understand them to be
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# @TODO: Create a log so there can be visibility into the parser
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#
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_document = {}
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for _id in _cached :
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# print ('patient' in _cached[_id] )
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_document = self.merge(_document,_cached[_id])
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return _document
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