2020 ASCII table for Python

girija reddy
Nov 1 · 3 min read

Ascii table can read and write, many ASCII table Formats, that designed in Extension Reader Classes.

Now we will look at some classes.

Tab: used for separated values.

Rdb: it separates values with, no header, where columns are automatically named.

NoHeader: basic table, with non-header, and columns are non-auto named.

Memory: table, that already in memory.

Latex, AASTex: LaTex tables.

Ipac: IPAC method table.

Fixed Width: It is a table with fixed-width columns.

Daophot: Table from IRAF DAOphot package type.

Commented Header: Column names, that given in a line, that initiate with comment character.

Cds: CDS format table.

Basic: Basic table with delimiters and header configurations.

From the top-level Asciitable, it looks like many ASCII table, interfaces, since it offers default write () and Read (), functions. With large lists of parameters for accommodate many variations possible.

Commonly Encountered ASCII table formats. However, the ascii table is made on a modular and extensible class structure.

Basic functionality, for reading and writing a table, is largely distributed into base class components.

Therefore, the latest formats; accommodated by modifying, class methods as required.

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How to Install Asciitable for Python

Easy way to Install ASCII table, is using pip install or Easy_install. One will go, but pip is like many “modern” alternatives.

The following download and Install the package.

pip install [ — user] asci table

  • * OR **

easy_install [ — user] asci table

Low Easy way

Download and change the Source Directory.

tar zxf asciitable-<version>.tar.gz

cd asciitable-<version>

If you have nose type module installed, then at this point, you can operate a test suite.

nosetests # Python 2

nosetests3 # Python 3

Many methods for Installing, choose ONE of them.

Python Website packages.

python setup.py install

Local user Library

If you run python 2.6 or following command installs, the asci table module. Appropriate local users.

Reading Tables

The majority of commonly encountered ASCII tables, simply read with Reading () function. Learn for Python functions

Import ASCII table.

Data = Asciitable.read(table)

Where table is the same name as a file, a string representation table. Or a sequence of table lines. By default read (). I will try to guess the table format.

That is by trying all guided formats. If this don’t work, then one requires asciitable, which hints, about the format, for example.

data = asciitable.read(‘t/nls1_stackinfo.dbout’, data_start=2, delimiter=’|’)

data = asciitable.read(‘t/simple.txt’, quotechar=”’”)

data = asciitable.read(‘t/simple4.txt’, Reader=asciitable.NoHeader, delimiter=’|’)

table = [‘col1 col2 col3’, ‘1 2 hi’, ‘3 4.2 there’]

data = asciitable.read(table, delimiter=” “)

Read(), function accept, number of parameters, that specify in detail table format. Different Reader classes, will define variated defaults. So the descriptions, below in sometimes mention “typical” default values.

This reference to a basic reader and some other reader classes.

Common parameters for Reading ()

We have four ways to select, the table to read.

List of Strings where every element is a table line.

File — it is an object with a callable read() method.

One string containing, all table lines, that separated by the latest lines.

Reader

It Selects the top-level format, of Ascii table, for instance, if it is a basic character, that delimited table, fixed format table, or CDS — compatible table.

Numpy

Inbuilt, the output from reading (), is numpy record array object. This most powerful container efficiency, that guide both column-wise and row access to table and it come with full numpy stack, that with an array of manipulation methods.

Guess

If set to true then read (), it will try to guess the table format, by cycling with number of table format permutations and attempting to read the table in every case. You can see the Guess table also.

Delimiter

One character string, that used for separate, fields that typically, defaults, to the space character. Some other common values might be “\s”, “,” or “|” or “\t”.

A value of “\s” allows any combination of a tab, and space characters to delimit columns.

Comment

Regular Expression in defining a comment line in table.

For the basic reader, this defaults “\s*#”.

Quotechar

Single Character string to quote fields, that containing special elements.

This select, in the line Index, where the header line, has seen. Comment lines were not included in this count, and the counting initiates from Zero.

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