def open_transaction_file(path):
schemes = derive_schemes(path)
if (len(schemes) == 0):
print "Cannot derive transaction format from input arguments."
elif len(schemes) > 1:
print "Multiple transaction formats might apply to the input."
else:
scheme = schemes[0]
history = Transaction.read(scheme(CAT), path)
return history
def main(argv):
"""Visualize command line specified transaction data."""
if (len(argv) != 2):
print "syntax: " + argv[0].split("/")[-1] + " <csv file>"
else:
schemes = derive_schemes(argv[1])
if (len(schemes) == 0):
print "Cannot derive transaction format from input arguments."
elif len(schemes) > 1:
print "Multiple transaction formats might apply to the input."
else:
scheme = schemes[0]
history = Transaction.read(scheme(CAT), argv[1])
hierarchy = [lambda t: t.month, lambda t: t.cat]
print_summary(history, hierarchy)