python Programming Glossary: csv.dictwriter

How do I write a Python dictionary to a csv file? [duplicate]

http://stackoverflow.com/questions/10373247/how-do-i-write-a-python-dictionary-to-a-csv-file

from somebody else's post f open 'mycsvfile.csv' 'wb' w csv.DictWriter f my_dict.keys w.writerows my_dict f.close The problem is the.. 'mycsvfile.csv' 'wb' as f # Just use 'w' mode in 3.x w csv.DictWriter f my_dict.keys w.writeheader w.writerow my_dict Which produces..

Filtering a CSV file in python

http://stackoverflow.com/questions/13713752/filtering-a-csv-file-in-python

open 'mhc.csv' 'r b' delimiter ' ' csvdictwriter csv.DictWriter file 'mhc_fixed.csv' 'r b' fieldnames csvdictreader.fieldnames.. csv.DictReader sys.stdin delimiter ' ' csvdictwriter csv.DictWriter sys.stdout fieldnames csvdictreader.fieldnames delimiter ' '..

Creating a dictionary from a CSV file

http://stackoverflow.com/questions/14091387/creating-a-dictionary-from-a-csv-file

' value print result fieldnames result.keys csvwriter csv.DictWriter open 'C Users Chris Desktop test_out.csv' 'w' delimiter ' '.. open 'C Users Chris Desktop test_out.csv' 'w' csvwriter csv.DictWriter test_file delimiter ' ' fieldnames fieldnames csvwriter.writerow..

Is it possible to keep the column order using the Python csv DictReader

http://stackoverflow.com/questions/1885324/is-it-possible-to-keep-the-column-order-using-the-python-csv-dictreader

open 'a.csv' 'r' b open 'b.csv' 'w' ra csv.DictReader a wb csv.DictWriter b None for d in ra if wb.fieldnames is None # initialize and..

sorting arrays in numpy by column

http://stackoverflow.com/questions/2828059/sorting-arrays-in-numpy-by-column

Checking for membership inside nested dict

http://stackoverflow.com/questions/2901872/checking-for-membership-inside-nested-dict

'SupervisorFirstName' 'SupervisorSurname' try gd_formatted csv.DictWriter open output_file 'w' newline '' fieldnames gd_output_fieldnames..

writing header in csv python with DictWriter

http://stackoverflow.com/questions/2982023/writing-header-in-csv-python-with-dictwriter

t' # process my dr object # ... # write out object output csv.DictWriter open f2 'w' delimiter ' t' for item in dr output.writerow item.. None 'field2' None with open outfile 'wb' as fou dw csv.DictWriter fou delimiter ' t' fieldnames ordered_fieldnames dw.writeheader.. from first row of `f`. with open outfile 'wb' as fou dw csv.DictWriter fou delimiter ' t' fieldnames dr.fieldnames headers for n in..

Remove duplicate rows from a large file in Python

http://stackoverflow.com/questions/3452832/remove-duplicate-rows-from-a-large-file-in-python

import csv headers 'DayOfWeek' None 'a' None 'b' None outs csv.DictWriter open 'c dedupedFile.csv' 'wb' days 'Mon' 'Tue' 'Wed' 'Thu' 'Fri'..

how to Add New column in beginning of CSV file by Python

http://stackoverflow.com/questions/4872077/how-to-add-new-column-in-beginning-of-csv-file-by-python

with open 'testdata2.txt' 'wb' as csvoutput csvwriter csv.DictWriter csvoutput fieldnames delimiter ' ' csvwriter.writeheader nodecount..

how to write dict data in table format

http://stackoverflow.com/questions/5243623/how-to-write-dict-data-in-table-format

'user' 'date_format' 'p total' 'E total' 'total' writer csv.DictWriter f headings delimiter t # The writeheader method only appeared..

Python DictWriter writing UTF-8 encoded CSV files

http://stackoverflow.com/questions/5838605/python-dictwriter-writing-utf-8-encoded-csv-files

I have a list of dictionaries containing unicode strings. csv.DictWriter can write a list of dictionaries into a CSV file. I want the.. optional...Excel needs it to open UTF 8 file properly w csv.DictWriter f sorted D.keys w.writeheader w.writerow k v.encode 'utf8' for.. to a queue self.queue cStringIO.StringIO self.writer csv.DictWriter self.queue fieldnames dialect dialect kwds self.stream f self.encoder..

Python: Writing a dictionary to a csv file with one line for every 'key: value'

http://stackoverflow.com/questions/8685809/python-writing-a-dictionary-to-a-csv-file-with-one-line-for-every-key-value

key3 value_c I wrote import csv f open 'dict.csv' 'wb' w csv.DictWriter f mydict.keys w.writerow mydict f.close But now I have all keys..