python Programming Glossary: csv

Read Specific Columns from csv file with Python csv

http://stackoverflow.com/questions/16503560/read-specific-columns-from-csv-file-with-python-csv

Specific Columns from csv file with Python csv Goal I'm trying to parse through a csv.. Specific Columns from csv file with Python csv Goal I'm trying to parse through a csv file and extract the.. file with Python csv Goal I'm trying to parse through a csv file and extract the data from only specific columns. Example..

Python: How to read huge text file into memory

http://stackoverflow.com/questions/1896674/python-how-to-read-huge-text-file-into-memory

1GB RAM. I want to read in a huge text file ls l links.csv file links.csv tail links.csv rw r r 1 user user 469904280 30.. want to read in a huge text file ls l links.csv file links.csv tail links.csv rw r r 1 user user 469904280 30 Nov 22 42 links.csv.. a huge text file ls l links.csv file links.csv tail links.csv rw r r 1 user user 469904280 30 Nov 22 42 links.csv links.csv..

Solving embarassingly parallel problems using Python multiprocessing

http://stackoverflow.com/questions/2359253/solving-embarassingly-parallel-problems-using-python-multiprocessing

file and writes out their sums to another CSV file. import csv import optparse import sys def make_cli_parser Make the command.. usage return cli_parser def parse_input_csv csvfile Parses the input CSV and yields tuples with the index.. usage return cli_parser def parse_input_csv csvfile Parses the input CSV and yields tuples with the index of..

Importing a CSV file into a sqlite3 database table using Python

http://stackoverflow.com/questions/2887878/importing-a-csv-file-into-a-sqlite3-database-table-using-python

sqlite sqlite3 share improve this question import csv sqlite3 con sqlite3.connect memory cur con.cursor cur.execute.. cur.execute CREATE TABLE t col1 col2 with open 'data.csv' 'rb' as fin # `with` statement available in 2.5 # csv.DictReader.. 'rb' as fin # `with` statement available in 2.5 # csv.DictReader uses first line in file for column headings by default..

Python out of memory on large CSV file (numpy)

http://stackoverflow.com/questions/8956832/python-out-of-memory-on-large-csv-file-numpy

wise. from numpy import def data return genfromtxt 'All.csv' delimiter ' ' data data # This is where it fails already. med.. File Normalize.py line 39 in data return genfromtxt 'All.csv' delimiter ' ' File Library Frameworks Python.framework Versions.. EDIT Also tried with this but no luck... genfromtxt 'All.csv' delimiter ' ' dtype float16 python memory csv numpy scipy..

Reading a UTF8 CSV file with Python

http://stackoverflow.com/questions/904041/reading-a-utf8-csv-file-with-python

characters . Based on the Python 2.5 documentation for the csvreader http docs.python.org library csv.html I came up with the.. for the csvreader http docs.python.org library csv.html I came up with the following code to read the CSV file.. up with the following code to read the CSV file since the csvreader supports only ASCII. def unicode_csv_reader unicode_csv_data..

How to get string Objects instead of Unicode ones from JSON in Python?

http://stackoverflow.com/questions/956867/how-to-get-string-objects-instead-of-unicode-ones-from-json-in-python

Edit I can't change the libraries nor update them. One the csv module is even in the Python standard library the documentation..

Solving embarassingly parallel problems using Python multiprocessing

http://stackoverflow.com/questions/2359253/solving-embarassingly-parallel-problems-using-python-multiprocessing

multiprocessing . Here is the example problem Given a CSV file with rows of integers as input compute their sums. Separate.. # basicsums.py A program that reads integer values from a CSV file and writes out their sums to another CSV file. import csv.. from a CSV file and writes out their sums to another CSV file. import csv import optparse import sys def make_cli_parser..

Importing a CSV file into a sqlite3 database table using Python

http://stackoverflow.com/questions/2887878/importing-a-csv-file-into-a-sqlite3-database-table-using-python

a CSV file into a sqlite3 database table using Python I have a CSV.. file into a sqlite3 database table using Python I have a CSV file and I want to bulk import this file into my sqlite3 database..

Python strptime() and timezones?

http://stackoverflow.com/questions/3305413/python-strptime-and-timezones

strptime and timezones I have a CSV dumpfile from a Blackberry IPD backup created using IPDDump...

Python out of memory on large CSV file (numpy)

http://stackoverflow.com/questions/8956832/python-out-of-memory-on-large-csv-file-numpy

out of memory on large CSV file numpy I have a 3GB CSV file that I try to read with python.. out of memory on large CSV file numpy I have a 3GB CSV file that I try to read with python I need the median column..

Reading a UTF8 CSV file with Python

http://stackoverflow.com/questions/904041/reading-a-utf8-csv-file-with-python

a UTF8 CSV file with Python I am trying to read a CSV file with accented.. a UTF8 CSV file with Python I am trying to read a CSV file with accented characters with Python only French and or.. csv.html I came up with the following code to read the CSV file since the csvreader supports only ASCII. def unicode_csv_reader..