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Python CSV management.
https://docs.python.org/2/library/csv.html
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import csv | |
filename = 'file.csv' | |
# Read CSV | |
with open(filename, 'rb') as csvfile: | |
csvreader = csv.reader() # Common values -> delimiter=',' quotechar='"' | |
for row in reader: | |
pass | |
csvreader.fieldnames # Initialized with the first record from the file | |
# Read CSV with different characteristics | |
with open(filename, 'rb') as csvfile: | |
csvreader = csv.reader(csvfile, delimiter=' ', quotechar='|') | |
for row in reader: | |
pass | |
# Write to CVS | |
with open('some.csv', 'wb') as f: | |
writer = csv.writer(f) | |
writer.writerows(someiterable) | |
writer.writerow(somerow) | |
# Read CSV into Dictionary | |
with open('names.csv') as csvfile: | |
reader = csv.DictReader(csvfile) | |
for row in reader: | |
print(row['first_name'], row['last_name']) | |
# Write CSV from Dictionary | |
with open('names.csv', 'w') as csvfile: | |
fieldnames = ['first_name', 'last_name'] | |
writer = csv.DictWriter(csvfile, fieldnames=fieldnames) | |
writer.writeheader() | |
writer.writerow({'first_name': 'Baked', 'last_name': 'Beans'}) | |
writer.writerow({'first_name': 'Lovely', 'last_name': 'Spam'}) | |
writer.writerow({'first_name': 'Wonderful', 'last_name': 'Spam'}) |
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