Steve Nyemba
3 years ago
parent
cad54d7b45
commit
ee0165de01
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#!/usr/bin/env python3
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"""
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This file will perform basic tasks to finalize the GAN process by performing the following :
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- basic stats & analytics
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- rebuild io to another dataset
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"""
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import pandas as pd
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import numpy as np
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from multiprocessing import Process, Lock
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from google.oauth2 import service_account
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from google.cloud import bigquery as bq
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import transport
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from data.params import SYS_ARGS
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import json
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import pandas as pd
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import numpy as np
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from google.oauth2 import service_account
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import json
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# path = '../curation-prod.json'
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# credentials = service_account.Credentials.from_service_account_file(path)
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# df = pd.read_gbq("SELECT * FROM io.icd10_partial_io",credentials=credentials,dialect='standard')
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filename = 'config.json' if 'config' not in SYS_ARGS else SYS_ARGS['config']
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f = open(filename)
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config = json.loads(f.read())
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args = config['pipeline']
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f.close()
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def _formatSQL(**_args):
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"""
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This function will build the _map for a given segment
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"""
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sql = """
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select DISTINCT x.person_id synthetic,y.person_id original
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FROM :synthetic.:table x
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INNER JOIN :original.:table y on x.person_id in (:ids)
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AND x.person_id <> y.person_id AND x.gender_source_value = y.gender_source_value
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AND x.year_of_birth = y.year_of_birth
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ORDER BY 1
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"""
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table= _args['table']
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original,synthetic = _args['schema']['original'],_args['schema']['synthetic']
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_ids = np.array(_args['ids']).astype(str)
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return sql.replace(":ids",",".join(_ids)).replace(":synthetic",synthetic).replace(":original",original).replace(":table",table)
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def _addCounts(**_args) :
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store = _args['store']
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sql = _args['sql']
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reader = transport.factory.instance(**store['source'])
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_df = reader.read(sql=sql)
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_ids = _df.synthetic.unique()
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_counts = [ np.sum(_df.synthetic == value) for value in _ids]
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original = [_df[_df.synthetic == value].iloc[np.random.choice(np.arange(_counts[_ids.tolist().index(value)]),1),:].original.values[0] for value in _ids]
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_df = pd.DataFrame({"synthetic":_ids,"original":original,"counts":_counts})
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#
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# We can post this to the backend ...
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#
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table = '_map' #-- Yes this is hard-coded
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writer = transport.factory.instance(**dict(store['target'],**{"parallel":True,"table":table}))
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# if writer.has(table=table) is False:
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# writer.write(_df)
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# else:
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_schema = [{"name":name,"type":"INTEGER"} for name in _df.columns]
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writer.write(_df,schema=_schema)
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def Init(**_args) :
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"""
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This function will build a map of the synthetic to real individuals.
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The assumption is that the synthesized data is stored in the same data-store as the original the parameters provided are :
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:param store object from the configuration file with source,target entries
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:param table name of the original/synthetic tables (they should be the same)
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:param feat. featuress/attributes ... demographics to account for
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"""
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store = _args['store']
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reader = transport.factory.instance(**store['source'])
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original,synthetic = _args['schema']['original'],_args['schema']['synthetic']
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table = _args['table']
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sql = _args['sql'].replace(':synthetic',synthetic).replace(':original',original).replace(':table',table)
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_map = reader.read(sql=sql)
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k = _args['k'] if 'k' in _args else 2
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# _iodf = reader.read(table=table)
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# _ids = _iodf['person_id'].unique().tolist()
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# x_ = np.array_split(_ids,1000)
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jobs = []
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# for _items in x_ :
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# _p = {"ids":_items,"schema":_args['schema'],'store':store,'table':table}
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# sql = _formatSQL(**_p)
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# _p['sql'] = sql
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# _apply = lambda params: _addCounts(**params)
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# thread = Process(target=_apply,args=(_p,))
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# thread.start()
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# jobs.append(thread)
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# return jobs
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#
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# We have performed a m:m (many-to-many) relationship with original participants and synthetic participants
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# The goal is to obtain a singular map against which records will be migrated
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#
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print (['... computing counts (k)'])
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_ids = _map.synthetic.unique()
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_counts = [ np.sum(_map.synthetic == value) for value in _ids]
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original = [_map[_map.synthetic == value].iloc[np.random.choice(np.arange(_counts[_ids.tolist().index(value)]),1),:].original.values[0] for value in _ids]
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print (['Building k-classes/groups'])
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_mdf = pd.DataFrame({"synthetic":_ids,"original":original,"counts":_counts})
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i = _mdf.apply(lambda row: row.counts >= k,axis=1)
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_mdf = _mdf[i]
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#
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# Log what just happened here so we know about the equivalence classes,
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# {"module":"binder","action":"map-generation","input":{"k":k,"rows":{"synthetic":_mdf.shape[0],"original":len(_counts)}}}
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return _mdf
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#
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# now we are posting this to target storage ...
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#
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def ApplyOn (**_args):
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"""
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This function will rewrite SQL that applies the synthetic identifier to the entries of the pipeline
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We assume that the _map has two attributes (synthetic and original)
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:param store
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:param _config
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"""
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store_args = _args['store']
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_config = _args['config']
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table = _config['from']
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reader = transport.factory.instance(**dict(store_args['source'],**{"table":table}))
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attr = reader.read(limit=1).columns.tolist()
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original_key = _args['original_key'] #-- assuming referential integrity
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# synthetic_key= columns['synthetic']
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# mapped_original=columns['orginal']
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fields = list(set(attr) - set([original_key]))
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sql = "select _map.synthetic as :original_key,:fields from :original_schema.:table inner join :synthetic_schema._map on _map.original = :table.:original_key"
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sql = sql.replace(":table",table).replace(":fields",",".join(fields))
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sql = sql.replace(":original_key",original_key)
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_schema = _args['schema']
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sql = sql.replace(":original_schema",_schema['original']).replace(":synthetic_schema",_schema['synthetic'])
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return reader.read (sql=sql)
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if __name__ == '__main__' :
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pass
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# class Analytics :
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# """
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# This class will compile basic analytics about a given dataset i.e compare original/synthetic
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# """
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# @staticmethod
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# def distribution(**args):
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# context = args['context']
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# df = args['data']
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# #
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# #-- This data frame counts unique values for each feature (space)
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# df_counts = pd.DataFrame(df.apply(lambda col: col.unique().size),columns=['counts']).T # unique counts
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# #
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# #-- Get the distributions for common values
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# #
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# names = [name for name in df_counts.columns.tolist() if name.endswith('_io') == False]
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# ddf = df.apply(lambda col: pd.DataFrame(col.values,columns=[col.name]).groupby([col.name]).size() ).fillna(0)
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# ddf[context] = ddf.index
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# pass
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# def distance(**args):
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# """
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# This function will measure the distance between
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# """
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# pass
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# class Utils :
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# @staticmethod
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# def log(**args):
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# logger = transport.factory.instance(type="mongo.MongoWriter",args={"dbname":"aou","doc":"logs"})
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# logger.write(args)
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# logger.close()
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# class get :
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# @staticmethod
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# def pipeline(table,path) :
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# # contexts = args['contexts'].split(',') if type(args['contexts']) == str else args['contexts']
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# config = json.loads((open(path)).read())
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# pipeline = config['pipeline']
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# # return [ item for item in pipeline if item['context'] in contexts]
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# pipeline = [item for item in pipeline if 'from' in item and item['from'].strip() == table]
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# Utils.log(module=table,action='init',input={"pipeline":pipeline})
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# return pipeline
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# @staticmethod
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# def sql(**args) :
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# """
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# This function is intended to build SQL query for the remainder of the table that was not synthesized
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# :config configuration entries
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# :from source of the table name
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# :dataset name of the source dataset
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# """
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# SQL = ["SELECT * FROM :from "]
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# SQL_FILTER = []
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# NO_FILTERS_FOUND = True
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# # pipeline = Utils.get.config(**args)
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# pipeline = args['pipeline']
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# REVERSE_QUALIFIER = {'IN':'NOT IN','NOT IN':'IN','=':'<>','<>':'='}
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# for item in pipeline :
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# if 'filter' in item :
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# if NO_FILTERS_FOUND :
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# NO_FILTERS_FOUND = False
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# SQL += ['WHERE']
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# #
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# # Let us load the filter in the SQL Query
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# FILTER = item['filter']
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# QUALIFIER = REVERSE_QUALIFIER[FILTER['qualifier'].upper()]
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# SQL_FILTER += [" ".join([FILTER['field'], QUALIFIER,'(',FILTER['value'],')']).replace(":dataset",args['dataset'])]
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# src = ".".join([args['dataset'],args['from']])
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# SQL += [" AND ".join(SQL_FILTER)]
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# #
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# # let's pull the field schemas out of the table definition
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# #
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# Utils.log(module=args['from'],action='sql',input={"sql":" ".join(SQL) })
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# return " ".join(SQL).replace(":from",src)
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# def mk(**args) :
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# dataset = args['dataset']
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# client = args['client'] if 'client' in args else bq.Client.from_service_account_file(args['private_key'])
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# #
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# # let us see if we have a dataset handy here
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# #
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# datasets = list(client.list_datasets())
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# found = [item for item in datasets if item.dataset_id == dataset]
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# if not found :
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# return client.create_dataset(dataset)
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# return found[0]
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# def move (args):
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# """
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# This function will move a table from the synthetic dataset into a designated location
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# This is the simplest case for finalizing a synthetic data set
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# :private_key
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# """
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# pipeline = Utils.get.pipeline(args['from'],args['config'])
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# _args = json.loads((open(args['config'])).read())
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# _args['pipeline'] = pipeline
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# # del _args['pipeline']
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# args = dict(args,**_args)
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# # del args['pipeline']
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# # private_key = args['private_key']
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# client = bq.Client.from_service_account_json(args['private_key'])
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# dataset = args['dataset']
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# if pipeline :
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# SQL = [ ''.join(["SELECT * FROM io.",item['context'],'_full_io']) for item in pipeline]
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# SQL += [Utils.get.sql(**args)]
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# SQL = ('\n UNION ALL \n'.join(SQL).replace(':dataset','io'))
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# else:
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# #
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# # moving a table to a designated location
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# tablename = args['from']
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# if 'sql' not in args :
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# SQL = "SELECT * FROM :dataset.:table"
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# else:
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# SQL = args['sql']
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# SQL = SQL.replace(":dataset",dataset).replace(":table",tablename)
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# Utils.log(module=args['from'],action='sql',input={'sql':SQL})
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# #
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# # At this point we have gathered all the tables in the io folder and we should now see if we need to merge with the remainder from the original table
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# #
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# odataset = mk(dataset=dataset+'_io',client=client)
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# # SQL = "SELECT * FROM io.:context_full_io".replace(':context',context)
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# config = bq.QueryJobConfig()
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# config.destination = client.dataset(odataset.dataset_id).table(args['from'])
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# config.use_query_cache = True
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# config.allow_large_results = True
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# config.priority = 'INTERACTIVE'
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# #
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# #
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# schema = client.get_table(client.dataset(args['dataset']).table(args['from'])).schema
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# fields = [" ".join(["CAST (",item.name,"AS",item.field_type.replace("INTEGER","INT64").replace("FLOAT","FLOAT64"),") ",item.name]) for item in schema]
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# SQL = SQL.replace("*"," , ".join(fields))
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# # print (SQL)
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# out = client.query(SQL,location='US',job_config=config)
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# Utils.log(module=args['from'],action='move',input={'job':out.job_id})
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# return (out.job_id)
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# import pandas as pd
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# import numpy as np
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# from google.oauth2 import service_account
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# import json
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# # path = '../curation-prod.json'
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# # credentials = service_account.Credentials.from_service_account_file(path)
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# # df = pd.read_gbq("SELECT * FROM io.icd10_partial_io",credentials=credentials,dialect='standard')
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# filename = 'config.json' if 'config' not in SYS_ARGS else SYS_ARGS['config']
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# f = open(filename)
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# config = json.loads(f.read())
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# args = config['pipeline']
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# f.close()
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# if __name__ == '__main__' :
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# """
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# Usage :
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# finalize --<move|stats> --contexts <c1,c2,...c3> --from <table>
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# """
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# if 'move' in SYS_ARGS :
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# if 'init' in SYS_ARGS :
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# dep = config['dep'] if 'dep' in config else {}
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# info = []
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# if 'queries' in dep :
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# info += dep['queries']
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# print ('________')
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# if 'tables' in dep :
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# info += dep['tables']
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# args = {}
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# jobs = []
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# for item in info :
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# args = {}
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# if type(item) == str :
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# args['from'] = item
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# name = item
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# else:
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# args = item
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# name = item['from']
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# args['config'] = SYS_ARGS['config']
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# # args['pipeline'] = []
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# job = Process(target=move,args=(args,))
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# job.name = name
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# jobs.append(job)
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# job.start()
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# # while len(jobs) > 0 :
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# # jobs = [job for job in jobs if job.is_alive()]
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# # time.sleep(1)
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# else:
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# move(SYS_ARGS)
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# # # table = SYS_ARGS['from']
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# # # args = dict(config,**{"private_key":"../curation-prod.json"})
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# # args = dict(args,**SYS_ARGS)
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# # contexts = [item['context'] for item in config['pipeline'] if item['from'] == SYS_ARGS['from']]
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# # log = []
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# # if contexts :
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# # args['contexts'] = contexts
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# # log = move(**args)
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# # else:
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# # tables = args['from'].split(',')
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# # for name in tables :
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# # name = name.strip()
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# # args['from'] = name
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# # log += [move(**args)]
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# # print ("\n".join(log))
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# else:
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# print ("NOT YET READY !")
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Reference in new issue