Added command-line interface

jpmml_evaluator/__main__.py

@@ -0,0 +1,4 @@
+from jpmml_evaluator.cli import main
+
+if __name__ == "__main__":
+	main()

jpmml_evaluator/cli.py

@@ -0,0 +1,33 @@
+import sys
+
+from argparse import ArgumentParser
+
+import pandas
+
+from jpmml_evaluator import make_evaluator
+
+def main():
+	parser = ArgumentParser(description = "JPMML-Evaluator command-line application")
+	parser.add_argument("model", type = str, help = "Model PMML file")
+	parser.add_argument("-i", "--input", type = str, help = "Input CSV file")
+	parser.add_argument("-o", "--output", type = str, help = "Output CSV file")
+	parser.add_argument("--sep", type = str, default = ",", help = "CSV separator character")
+
+	args = parser.parse_args()
+
+	evaluator = make_evaluator(args.model)
+	evaluator.verify()
+
+	if args.input:
+		input = args.input
+	else:
+		input = sys.stdin
+
+	if args.output:
+		output = args.output
+	else:
+		output = sys.stdout
+
+	arguments = pandas.read_csv(input, sep = args.sep)	
+	results = evaluator.evaluateAll(arguments)
+	results.to_csv(output, sep = args.sep, header = True, index = False)