How to create columns of text from a dictionary Python 2.4 [duplicate]

Question

I'm currently trying to rewrite some tools in python, the only challenge is that I'm limited to Python 2.4.

The current output from the bash version looks like this:

Host           Active VMs     SW            Ver       Processor        Cores     Mhz          Tot Mem     Free Mem     Network
cloudmatt1     1              XenServer     1.8.0     GenuineIntel     2         2660.040     5.45G       3.57G        openvswitch     
cloudmatt2     3              XenServer     1.8.0     GenuineIntel     2         2660.046     5.45G       1.55G        openvswitch

Here is my example dictionary:

{'d50787a5-9187-4486-9d36-e8287701bcbd': {'UUID': 'd50787a5-9187-4486-9d36-e8287701bcbd', 'Network-Backend': 'openvswitch', 'Platform-Version': '1.8.0', 'Host-CPUs': 2, 'Name-label': 'cloudmatt1', 'Resident-VMs': 2}, 'e9e54df0-ab87-4e68-a604-2e1821ce2da9': {'UUID': 'e9e54df0-ab87-4e68-a604-2e1821ce2da9', 'Network-Backend': 'openvswitch', 'Platform-Version': '1.8.0', 'Host-CPUs': 2, 'Name-label': 'cloudmatt2', 'Resident-VMs': 4}}

How could I display the data in a similar fashion with Python 2.4?

kelm · Accepted Answer · 2013-12-10 04:02:50Z

0

Looks like you have some left-aligned columns, each with a specific size. You can get a similar effect from Python's string formatting. Example:

>>> print "%-10s %-3s %-10s" % ('foo', 2, 'bar')
foo        2   bar

You can decide how wide your columns need to be dynamically using asterisks:

>>> print "%-*s %-*s %-*s" % (10, 'foo', 3, 2, 10, 'bar')
foo        2   bar

In this case it's probably easier just to figure out ahead of time how wide you want the columns, but you could also check the length of each row's values to figure out how wide the columns should be.

Note: Checked this in 2.5, but these should probably work in 2.4 as well.

answered Dec 10, 2013 at 4:02

kelm

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James Mills · Accepted Answer · 2013-12-10 04:06:17Z

0

With Python 2.4 you can left-align text using the %sN where N is the padding you want to use. e.g:

print "%s-20" % "foo"

edited Dec 10, 2013 at 4:06

answered Dec 10, 2013 at 3:55

James Mills

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1 Comment

John1024 Over a year ago

I believe that you meant to write '%-20s'.

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