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Code Issues Releases Wiki Activity

#15932: use with statement in csv doc examples. Patch by Dario Bertini.

This commit is contained in:
Ezio Melotti 2012-09-15 05:51:45 +03:00
parent 1e7ee9dfa0
commit e34f8a943b
1 changed files with 15 additions and 13 deletions
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Doc/library/csv.rst
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@ -71,9 +71,10 @@ The :mod:`csv` module defines the following functions:
A short usage example:: A short usage example::
>>> import csv >>> import csv
>>> spamReader = csv.reader(open('eggs.csv', newline=''), delimiter=' ', quotechar='|') >>> with open('eggs.csv', newline='') as csvfile:
>>> for row in spamReader: ... spamreader = csv.reader(csvfile, delimiter=' ', quotechar='|')
... print(', '.join(row)) ... for row in spamreader:
... print(', '.join(row))
Spam, Spam, Spam, Spam, Spam, Baked Beans Spam, Spam, Spam, Spam, Spam, Baked Beans
Spam, Lovely Spam, Wonderful Spam Spam, Lovely Spam, Wonderful Spam
@ -99,11 +100,12 @@ The :mod:`csv` module defines the following functions:
A short usage example:: A short usage example::
>>> import csv import csv
>>> spamWriter = csv.writer(open('eggs.csv', 'w', newline=''), delimiter=' ', with open('eggs.csv', 'w', newline='') as csvfile:
... quotechar='|', quoting=csv.QUOTE_MINIMAL) spamwriter = csv.writer(csvfile, delimiter=' ',
>>> spamWriter.writerow(['Spam'] * 5 + ['Baked Beans']) quotechar='|', quoting=csv.QUOTE_MINIMAL)
>>> spamWriter.writerow(['Spam', 'Lovely Spam', 'Wonderful Spam']) spamwriter.writerow(['Spam'] * 5 + ['Baked Beans'])
spamwriter.writerow(['Spam', 'Lovely Spam', 'Wonderful Spam'])
.. function:: register_dialect(name[, dialect], **fmtparams) .. function:: register_dialect(name[, dialect], **fmtparams)
@ -221,11 +223,11 @@ The :mod:`csv` module defines the following classes:
An example for :class:`Sniffer` use:: An example for :class:`Sniffer` use::
csvfile = open("example.csv") with open('example.csv') as csvfile:
dialect = csv.Sniffer().sniff(csvfile.read(1024)) dialect = csv.Sniffer().sniff(csvfile.read(1024))
csvfile.seek(0) csvfile.seek(0)
reader = csv.reader(csvfile, dialect) reader = csv.reader(csvfile, dialect)
# ... process CSV file contents here ... # ... process CSV file contents here ...
The :mod:`csv` module defines the following constants: The :mod:`csv` module defines the following constants: