Last active
July 18, 2016 09:53
-
-
Save ruanbekker/d56781f97901c6ba7f04ffab7c3a7da8 to your computer and use it in GitHub Desktop.
Generates CSV Data using the Faker library
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/usr/bin/python | |
# example usage: ./generate-csv-data.py --filename data --number-runs 10000 --number-reiterations 5 | |
from faker import Factory | |
import sys | |
import time | |
errInvalidArgs = "Usage: " + sys.argv[0] + " --filename" + " [STRING] " + " --number-runs" + " [INT] " + "--number-reiterations" + " [INT] " | |
errEg = " -> eg: " + sys.argv[0] + " --filename" + " dataset" + " --number-runs" + " 1000000 " + "--number-reiterations " + "5" | |
errOutput = "Outputs: dataset-timestamp.txt" | |
def create_names(numberRuns, file_object, fake): | |
for x in range(numberRuns): | |
genUname = fake.uuid4() | |
genName = fake.first_name() | |
genSurname = fake.last_name() | |
genCountry = fake.country() | |
file_object.write(genUname + "," + genName + "," + genSurname + "," + genCountry + "\n") | |
# [file_object.write("%s, %s, %s, %s\n"% (fake.uuid4(), fake.first_name(), fake.last_name(), fake.country() | |
#)) for x in range(numberRuns)] | |
if __name__ == "__main__": | |
if len(sys.argv) != 7: | |
print(errInvalidArgs) | |
print(errEg) | |
print(errOutput) | |
exit(-1) | |
if sys.argv[1] != "--filename" and sys.argv[3] != "--number-runs": | |
print(errInvalidArgs) | |
print(errEg) | |
print(errOutput) | |
exit(-1) | |
numCall = int(sys.argv[-1]) | |
for i in range(numCall): | |
timestart = time.strftime("%Y%m%d%H%M%S") | |
destFile = sys.argv[2] + "-" + timestart + ".txt" | |
print "Creating File: " + destFile | |
#print ("Started at: " + timestart) | |
numberRuns = int(sys.argv[4]) | |
fake = Factory.create() | |
file_object = open(destFile,"a") | |
file_object.write("uuid" + "," + "username" + "," + "name" + "," + "country" + "\n") | |
create_names(numberRuns, file_object, fake) | |
file_object.close() | |
timefinish = time.strftime("%Y%m%d%H%M%S") | |
#print ("Finished at: " + timefinish) | |
print ("Generated " + str(numberRuns) + " Records") | |
timeDuration = int(timefinish)-int(timestart) | |
print "Job took:", float(timeDuration), "seconds" | |
average = int(numberRuns)/int(timeDuration) | |
print "That is", average, "Records per second!" | |
print "\n" |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment