randomi for 4 cores

uses 4 threads to execute randomi

src/data_generators/randomi4c.py

@@ -0,0 +1,64 @@
+# Meet randomI, a random data generator for test data generation
+from random import randint
+import multiprocessing
+import time
+from datetime import date
+
+
+def main(i, a, b, o):
+    print('go')
+    for x in range(0, int(i)):
+        content = generateFile(a, b)
+        writeFile(content, x, o)
+
+
+def generateFile(rows, lenghtOfRows):
+    content = []
+    for y in range(0, int(rows)):
+        content.append(generateRow(int(lenghtOfRows)))
+    return content
+
+
+def generateRow(lenghtOfRows):
+    row = ""
+    for z in range(0, lenghtOfRows):
+        row = row + str(randint(0, 9))
+    return row
+
+
+def writeFile(content, x, o):
+    file = open("testdata/file" + str(x+o) + ".txt", "w")
+    for w in range(0, len(content)):
+        file.write(content[w] + "\n")
+
+
+if __name__ == '__main__':
+    print("Hello World")
+    q = input("How many datapieces would you like to generate? ")
+    a = input("How many rows should each datapiece have? ")
+    b = input("How long should each row be? ")
+    start_time = time.time()
+    q = int(q)
+    i = q / 4
+    o = 0
+    print('preparing')
+    p1 = multiprocessing.Process(target=main, args=(i, a, b, o))
+    o = q / 4
+    p2 = multiprocessing.Process(target=main, args=(i, a, b, o))
+    o = q / 2
+    p3 = multiprocessing.Process(target=main, args=(i, a, b, o))
+    o = q / 2 + q / 4
+    p4 = multiprocessing.Process(target=main, args=(i, a, b, o))
+    print('starting')
+    p1.start()
+    p2.start()
+    p3.start()
+    p4.start()
+    p1.join()
+    p2.join()
+    p3.join()
+    p4.join()
+    print("Data is generated. Have fun!")
+    sec = time.time() - start_time
+    minutes = sec / 60
+    print("randomI took " + str(sec) + " seconds (" + str(minutes) + " minutes) for execution.")