def _copy_vsam_to_temp_data_set(self, ds_name):
""" Copy VSAM data set to a temporary sequential data set """
mvs_rc = 0
vsam_size = self._get_vsam_size(ds_name)
sysprint = sysin = out_ds_name = None
try:
sysin = data_set.DataSet.create_temp("MVSTMP")
sysprint = data_set.DataSet.create_temp("MVSTMP")
out_ds_name = data_set.DataSet.create_temp("MSVTMP",
space_primary=vsam_size,
space_type="K")
repro_sysin = " REPRO INFILE(INPUT) OUTFILE(OUTPUT) "
Datasets.write(sysin, repro_sysin)
dd_statements = []
dd_statements.append(
types.DDStatement(ddName="sysin", dataset=sysin))
dd_statements.append(
types.DDStatement(ddName="input", dataset=ds_name))
dd_statements.append(
types.DDStatement(ddName="output", dataset=out_ds_name))
dd_statements.append(
types.DDStatement(ddName="sysprint", dataset=sysprint))
mvs_rc = MVSCmd.execute_authorized(pgm="idcams",
args="",
dds=dd_statements)
except OSError as err:
self._fail_json(msg=str(err))
except Exception as err:
if Datasets.exists(out_ds_name):
Datasets.delete(out_ds_name)
if mvs_rc != 0:
self._fail_json(
msg=(
"Non-zero return code received while executing MVSCmd "
"to copy VSAM data set {0}".format(ds_name)),
rc=mvs_rc,
)
self._fail_json(
msg=
("Failed to call IDCAMS to copy VSAM data set {0} to a temporary"
" sequential data set".format(ds_name)),
stderr=str(err),
rc=mvs_rc,
)
finally:
Datasets.delete(sysprint)
Datasets.delete(sysin)
return out_ds_name
def luhn(card_number):
def digits_of(n):
return [int(d) for d in str(n)]
digits = digits_of(card_number) # digits is set to the card number
odd_digits = digits[-1::-2] # find odd numbers
even_digits = digits[-2::-2] # find even number
checksum = 0
checksum += sum(odd_digits) #checksum adds the sum of all odd digits
for d in even_digits: # for every even number, apply the luhn equation and add to checksum
checksum += sum(digits_of(d * 2))
return (checksum % 10) # return the simplified checksum number
cc_list = cc_contents.splitlines(
) # take that giant string and turn it into a List
invalid_cc_list = [] # A second list to hold invalid entries
for cc_line in cc_list: # do everything here for every item in that List
cc_digits = int(cc_line[2:21]) # Grabs the full number
if (luhn(cc_digits)): # If the card number is INVALID
invalid_cc_list.append(cc_line) #append to our invalid list
now = datetime.now()
dt_string = now.strftime("%d/%m/%Y %H:%M:%S")
report_output = '\n'.join(invalid_cc_list)
report_output = "INVALID CREDIT CARD REPORT FOR " + dt_string + '\n\n' + report_output
print(report_output) # Print it out to the screen.
Datasets.write(output_dataset, report_output)
cc_list = cc_contents.splitlines() # take that giant string and turn it into a List
invalid_cc_list = [] # A second list to hold invalid entries
for cc_line in cc_list: # do everything here for every item in that List
cc_digits = int(cc_line[5:21]) # Just grabbing some digits. Not a full CC number (HINT!)
if (luhn(cc_digits)): # If the card number is valid
invalid_cc_list.append(cc_line)
#The Report-Writing Part
#
# NOTE: DON'T USE APPEND FOR MULTIPLE LINES.
# IT WILL BE SLOW
# INSTEAD, THROW EVERYTHING INTO A VARIABLE
# AND WRITE THAT OUT ONCE, LIKE THIS.
#
# TRUST US ON THIS.
#
# YOU SHOULD BE ABLE TO USE THE CODE BELOW, ONLY HAVING TO ADD
# A LINE TO WRITE OUT THE FINAL report_output TO YOUR output_dataset
# REMEMBER, THE REPORT NEEDS TO HAVE THE DATETIME STRING IN IT ABOVE THE DATA
#
now = datetime.now()
dt_string = now.strftime("%d/%m/%Y %H:%M:%S")
report_output = '\n'.join(invalid_cc_list)
report_output = "INVALID CREDIT CARD REPORT FOR " + dt_string + '\n\n' + report_output
print(report_output) # Print it out to the screen.
# When you're ready to write your report out to file, uncomment that last line
Datasets.create("Z09150.OUTPUT.CCINVALD", "SEQ")
Datasets.write("Z09150.OUTPUT.CCINVALD",report_output)
DDStatement(ddName="sysin", dataset="USR.MVSCMD.DFSORT.CMD"))
dd_statements.append(
DDStatement(ddName="sortout", dataset="USR.MVSCMD.DFSORT.MERGE"))
dd_statements.append(DDStatement(ddName="sysout", dataset="*"))
# Delete datasets if already exist
Datasets.delete("USR.MVSCMD.DFSORT.*")
# Create datasets
Datasets.create("USR.MVSCMD.DFSORT.MASTER", type="SEQ")
Datasets.create("USR.MVSCMD.DFSORT.NEW", type="SEQ")
Datasets.create("USR.MVSCMD.DFSORT.CMD", type="SEQ")
Datasets.create("USR.MVSCMD.DFSORT.MERGE", type="SEQ")
# Write command to USR.MVSCMD.DFSORT.CMD
Datasets.write("USR.MVSCMD.DFSORT.CMD", " MERGE FORMAT=CH,FIELDS=(1,9,A)")
# Write example text to USR.MVSCMD.DFSORT.MASTER
Datasets.write("USR.MVSCMD.DFSORT.MASTER", "Chang Joe 278 232 6043")
Datasets.write("USR.MVSCMD.DFSORT.MASTER",
"DeBeer Jo 348 132 6023",
append=True)
Datasets.write("USR.MVSCMD.DFSORT.MASTER",
"White Belinda 178 222 5043",
append=True)
# Write example text to USR.MVSCMD.DFSORT.NEW
Datasets.write("USR.MVSCMD.DFSORT.NEW", "Doe Jane 878 222 5043")
Datasets.write("USR.MVSCMD.DFSORT.NEW", "Smith Joe 778 232 6043", append=True)
Datasets.write("USR.MVSCMD.DFSORT.NEW", "Smyth Jo 748 132 6023", append=True)
