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codeGenerator.py
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codeGenerator.py
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import sys
import csv
import pdb
from lxml import etree
def read_csv(i_filename):
'''
i_filename: the directory and filename of the csv file (semicolon separated) that will be read
Header row will be ignored. File structure: type, name, parent, source, target
Types:
- job: has name, comma separated sub-objects (opt)
- workflow: has name, comma separated sub-objects (opt)
- dataflow: has name, source (opt), target (opt)
- transformation: has name, parent, source, target
Returns all the BodsObjects in a list
'''
l_BodsObjects = []
with open(i_filename, 'r') as csvfile:
objectreader = csv.reader(csvfile, delimiter=';', quotechar='|')
l_rowcounter = 1
for row in objectreader:
if l_rowcounter != 1:
l_BodsObjects.append(row)
l_rowcounter += 1
return(l_BodsObjects)
def generate_output(i_BodsObjects, i_output):
'''
i_BodsObjects: a list of BodsObjects that should be included in the xml
i_output: the directory and filename of the xml file that will be created
Returns message for generating the xml file
'''
# create XML
root = etree.Element('DataIntegratorExport',
repositoryVersion='14.2.10.0000', productVersion='14.2.10.1748')
# Make a new document tree
doc = etree.ElementTree(root)
#loop through each object from the csv, then add to the XML tree
for object in i_BodsObjects:
doc = object.genXML(root, doc)
outFile = open(i_output, 'wb')
doc.write(outFile, xml_declaration=True, encoding='UTF-8', pretty_print=True)
class BodsObject(object):
'''
BodsObject: a BodsObject that can be of different types (job, workflow, dataflow)
'''
def __init__(self, type, name, subobjects):
#create a BodsObject with type type
self.type = type
self.name = name
self.subobjects = subobjects
def getType(self):
#return the type
return self.type
def getName(self):
#return the name
return self.name
def getSubobjects(self):
#return the subobjects
return self.subobjects
def genXML(self, root, doc):
'''
root - root xml document (etree module)
doc - document element tree under the root xml document (etree module)
Returns doc - add the job xml objects to the xml tree
'''
if self.type == 'job':
doc = self.genXMLjob(root, doc)
elif self.type == 'workflow':
doc = self.genXMLworkflow(root, doc)
elif self.type == 'dataflow':
doc = self.genXMLdataflow(root, doc)
return (doc)
def genXMLjob(self, root, doc):
'''
root - root xml document (etree module)
doc - document element tree under the root xml document (etree module)
Returns doc - add the job xml objects to the xml tree
'''
DIJob= etree.SubElement(root, 'DIJob', name=self.name, typeId='2')
DISteps = etree.SubElement(DIJob, 'DISteps')
if len(self.subobjects) > 0:
for subObject in self.subobjects.split(','):
DICallStep = etree.SubElement(DISteps, 'DICallStep', typeId="0", calledObjectType="Workflow", name=subObject)
DIAttributes = etree.SubElement(DIJob, 'DIAttributes')
DIAttribute1 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_checkpoint_enabled", value="no")
DIAttribute2 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_collect_statistics", value="no")
DIAttribute3 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_collect_statistics_monitor", value="no")
DIAttribute4 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_create_debug_package", value="no")
DIAttribute5 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_enable_assemblers", value="yes")
DIAttribute6 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_enable_audit", value="yes")
DIAttribute7 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_enable_dataquality", value="yes")
DIAttribute8 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_export_repo", value="no")
DIAttribute9 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_export_reports", value="no")
DIAttribute10 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_isrecoverable", value="no")
DIAttribute11 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_mode", value="Multi-Process")
DIAttribute12 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_monitor_sample_rate", value="1000")
DIAttribute13 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_monitor_timer_rate", value="5")
DIAttribute14 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_name", value="export")
DIAttribute15 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_print_version", value="no")
DIAttribute16 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_testmode_enabled", value="no")
DIAttribute17 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_abapquery", value="no")
DIAttribute18 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_all", value="no")
DIAttribute19 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_ascomm", value="no")
DIAttribute20 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_assemblers", value="no")
DIAttribute21 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_audit", value="no")
DIAttribute22 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_dataflow", value="yes")
DIAttribute23 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_idoc_file", value="no")
DIAttribute24 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_memory_loader", value="no")
DIAttribute25 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_memory_reader", value="no")
DIAttribute26 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_optimized_dataflow", value="no")
DIAttribute27 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_parallel_execution", value="no")
DIAttribute28 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_rfc_function", value="no")
DIAttribute29 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_row", value="no")
DIAttribute30 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_script", value="no")
DIAttribute31 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_session", value="yes")
DIAttribute32 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_sql_only", value="no")
DIAttribute33 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_sqlfunctions", value="no")
DIAttribute34 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_sqlloaders", value="no")
DIAttribute35 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_sqlreaders", value="no")
DIAttribute36 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_sqltransforms", value="no")
DIAttribute37 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_stored_procedure", value="no")
DIAttribute38 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_table", value="no")
DIAttribute39 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_table_reader", value="no")
DIAttribute40 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_transform", value="no")
DIAttribute41 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_userfunction", value="no")
DIAttribute42 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_usertransform", value="no")
DIAttribute43 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_trace_workflow", value="yes")
DIAttribute44 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_type", value="batch")
DIAttribute45 = etree.SubElement(DIAttributes, 'DIAttribute', name="job_use_statistics", value="yes")
DIAttribute46 = etree.SubElement(DIAttributes, 'DIAttribute', name="locale_codepage", value="<default>")
DIAttribute47 = etree.SubElement(DIAttributes, 'DIAttribute', name="locale_language", value="<default>")
DIAttribute48 = etree.SubElement(DIAttributes, 'DIAttribute', name="locale_territory", value="<default>")
return doc
def genXMLworkflow(self, root, doc):
'''
root - root xml document (etree module)
doc - document element tree under the root xml document (etree module)
Returns doc - add the workflow xml objects to the xml tree
'''
DIWorkflow= etree.SubElement(root, 'DIWorkflow', name=self.name, typeId='2')
DISteps = etree.SubElement(DIWorkflow, 'DISteps')
if len(self.subobjects) > 0:
for subObject in self.subobjects.split(','):
DICallStep = etree.SubElement(DISteps, 'DICallStep', typeId="1", calledObjectType="Dataflow", name=subObject)
DIAttributes = etree.SubElement(DIWorkflow, 'DIAttributes')
DIAttribute1 = etree.SubElement(DIAttributes, 'DIAttribute', name="run_once", value="no")
DIAttribute2 = etree.SubElement(DIAttributes, 'DIAttribute', name="unit_of_recovery", value="no")
DIAttribute3 = etree.SubElement(DIAttributes, 'DIAttribute', name="workflow_type", value="Regular")
return doc
def genXMLdataflow(self, root, doc):
'''
root - root xml document (etree module)
doc - document element tree under the root xml document (etree module)
Returns doc - add the dataflow xml objects to the xml tree
'''
DIDataflow = etree.SubElement(root, 'DIDataflow',
name=self.name,
typeId='1')
DIAttributes = etree.SubElement(DIDataflow, 'DIAttributes')
DIAttribute1 = etree.SubElement(DIAttributes, 'DIAttribute', name="Cache_type", value="pageable_cache")
DIAttribute2 = etree.SubElement(DIAttributes, 'DIAttribute', name="Parallelism_degree", value="default")
DIAttribute3 = etree.SubElement(DIAttributes, 'DIAttribute', name="allows_both_input_and_output", value="yes")
DIAttribute4 = etree.SubElement(DIAttributes, 'DIAttribute', name="dataflow_loader_bulk_load", value="no")
DIAttribute5 = etree.SubElement(DIAttributes, 'DIAttribute', name="dataflow_loader_commit_size", value="default")
DIAttribute6 = etree.SubElement(DIAttributes, 'DIAttribute', name="dataflow_loader_row_size_bytes", value="0")
DIAttribute7 = etree.SubElement(DIAttributes, 'DIAttribute', name="dataflow_number_of_loaders", value="0")
DIAttribute8 = etree.SubElement(DIAttributes, 'DIAttribute', name="run_once", value="no")
DIAttribute9 = etree.SubElement(DIAttributes, 'DIAttribute', name="use_dataflow_links", value="no")
DIAttribute10 = etree.SubElement(DIAttributes, 'DIAttribute', name="use_datastore_links", value="yes")
DIAttribute11 = etree.SubElement(DIAttributes, 'DIAttribute', name="validation_xform_exists", value="no")
DIAttribute12 = etree.SubElement(DIAttributes, 'DIAttribute', name="validation_xform_stats", value="no")
return doc
if __name__ == '__main__':
assert len(sys.argv) >= 3
l_filename = str(sys.argv[1])
l_bObjects = read_csv(l_filename)
l_BOlist = []
for object in l_bObjects:
l_BOlist.append(BodsObject(object[0],object[1],object[2]))
#Do specific generation task associated with each object type
#E.g. if dataflow, first the tables should be generated (separate BodsObjects)
i_output = str(sys.argv[2])
generate_output(l_BOlist, i_output)