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81 lines
2.5 KiB
81 lines
2.5 KiB
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# ---------------------------------------------------------------------------------------------------------
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# Author : Ulrich Carmesin
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# Source : gitea.ucarmesin.de
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# ---------------------------------------------------------------------------------------------------------
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import os
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import basic.program
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import basic.constants as B
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import utils.path_const as P
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import utils.data_const as D
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import utils.path_tool
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import utils.tdata_tool
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EXP_KEY_MISSING = "key is missing {}"
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EXP_KEY_DOESNT_EXIST = "key doesnt exist in domain {}"
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class Catalog:
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__instance = None
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"""
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in this class there should be managed each defined key-value-pairs
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the pairs ara loaded from the path testdata/catalog:
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* initially the csv-file catalog.csv
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* on demand other csv-files in the path
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"""
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def __init__(self):
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self.catalog = {}
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Catalog.__instance = self
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pass
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@staticmethod
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def getInstance():
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if Catalog.__instance == None:
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return Catalog()
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return Catalog.__instance
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def getValue(self, domain, key):
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"""
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this function gets the value of the domain an key
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:param domain:
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:param key:
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:return:
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"""
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job = basic.program.Job.getInstance()
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if not (isinstance(domain, str) and len(domain)):
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raise Exception(EXP_KEY_MISSING, (domain, key))
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if not (isinstance(key, str) and len(key)):
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raise Exception(EXP_KEY_MISSING, (domain, key))
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if domain not in self.catalog:
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self.readDomain(domain)
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if key not in self.catalog[domain][key]:
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raise Exception(EXP_KEY_DOESNT_EXIST, (domain, key))
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return self.catalog[domain][key]
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def readDomain(self, domain):
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"""
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this function reads the domain-entries
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:param domain:
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:return:
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"""
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job = basic.program.Job.getInstance()
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if not (isinstance(domain, str) and len(domain)):
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raise Exception(EXP_KEY_MISSING, (domain))
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if domain in self.catalog:
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return
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filename = utils.path_tool.rejoinPath(job.conf.getPath(P.ATTR_PATH_TDATA), "catalog", domain+".csv")
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data = utils.tdata_tool.getCsvSpec(job.m, filename, D.CSV_SPECTYPE_KEYS)
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self.catalog[domain] = data[B.DATA_NODE_TABLES][domain][B.DATA_NODE_KEYS]
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def exportXSD(self, domain):
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"""
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this function exports the domain into xsd-declaration of simple types
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:return:
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"""
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pass
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