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Charming Python: Iterators and simple generators

Search result description:Sep 1, 2001 ... The construct is generators; the keyword is yield. ... Likewise, the new idiom for
line in file: is supported via an iterator that calls .readline() . ... One is the
mundane matter of creating multiple instance attributes or static list ...

Search result title:

Charming Python: Generator-based state machines

Search result description:Python's new generators, however, get you almost all the way to coroutines, and
the extra few ... Exclusive tools to build your next great app. ... For example, a text
processing tool (Txt2Html) I use reads lines from a file; each line needs to be ...

Search result title:

Python APIs: The best-kept secret of OpenStack

Search result description:Jun 19, 2013 ... In addition to the REST and command-line interfaces, OpenStack ... and the
Python bindings support multiple API versions to maintain backwards
compatibility. ... Let's create a Python file called credentials.py, as shown in
Listing 5, that ..... Note that this method returns a generator, where the list
methods in ...

Search result title:

Sockets programming in Python

Search result description:Oct 4, 2005 ... Develop networking applications using Python's basic sockets features ... Open a
file, read each line, and print it out for line in open('file.txt'): ...

Search result title:

Charming Python: Text processing in Python

Search result description:This article summarizes Python's text processing facilities for the programmer
new to ... element in-place fails Traceback (innermost last): File "<stdin>", line 1,
in ? ... a list of lines that can be processed by Python's for ... in ... construct. .
readline() .... a few expressions not matched by the regular expression (try to
think through ...

Search result title:

Wrap GObjects in Python

Search result description:Nov 15, 2012 ... Learning how to wrap GTK+ C modules for use in Python will enable you to use a
... This argument passes the override file we created to the code generator.
trayicon.defs > $@ ... Once again, let's go through this line by line:.

Search result title:

Using Python to create UNIX command line tools

Search result description:Mar 18, 2008 ... Let me add to this list the humble command line tool. ... Using Python to create
UNIX command line tools ..... What I would do next is to integrate this config file
into my script such that I could compare an inventory of ... See David Beazly's
PyCon 2008 tutorial on using generators for system's programming.

Search result title:

Programming and Data Management for IBM SPSS Statistics 23: A ...

Search result description:Reading IBM SPSS Statistics Data Files with SQL ... Creating User-Defined
Functions in Python . ..... v If multiple lines are used for a command, column 1 of
each continuation line must be ..... commands that use the random number
generator.

Search result title:

High-performance XML parsing in Python with lxml

Search result description:Oct 28, 2008 ... lxml is a fast yet flexible library for XML processing in Python. ... for simple
Document Object Model (DOM) or SAX parsing of small files, ... Listing 2
demonstrates creating a target parser class (here called ... A function to loop
through a context, calling func each time, and then clean up unneeded
references.

Search result title:

Charming Python: Using combinatorial functions in the itertools ...

Search result description:Python 2.2 introduced simple generators to the Python language and
reconceived ... can be a line-by-line matter, and there is no need to store the
whole file in memory. ... they might depend on data arriving incrementally over a
channel, or upon a computation that .... The functions included in itertools make
for a good start.

Search result title:

From scripting to object-oriented Python programming

Search result description:Jul 14, 2008 ... Often it is difficult to make the transition from procedural scripting to ... Looking
over the procedural Python version of our code, it quite similar to .... The next two
lines of code-use generator expressions to handle the file object ...

Search result title:

Scripting KVM with Python, Part 1: libvirt

Search result description:Dec 6, 2011 ... This two-part series explores how to use Python to create scripts for ... Virtual
Machine (KVM) virtualization along with a few command-line scripts to whet your
appetite. ... You can connect to the server over Secure Shell (SSH) or Virtual
Network ... Listing 1 shows the testdev.xml file from the libvirt examples.

Search result title:

XML Matters: Using Python modules xml2sql and dtd2sql

Search result description:The module dtd2sql generates a list of CREATE TABLE statements, while
xml2sql ... The first few lines of the script in Listing 1 simply wipe out and restore
the test ... the internal subset of an XML document, if you wish, or it can be an
external file. ... These keys can be a concatenation of multiple columns, and often
identifiers ...

Search result title:

Charming Python: SimPy simplifies complex models

Search result description:The nice thing about this modeling is that it lets you make policy decisions in
advance ... Often a process is programmed as a loop in which multiple actions
are performed. ... usr/bin/env python from __future__ import generators from
SimPy import ... with command-line options, environment variables, or a
configuration file.

Search result title:

Open output: Producing ODF spreadsheets from your Web services

Search result description:Nov 17, 2009 ... Directly generate files with PHP and Python ... requires a study of the inner
structure of ODS files), or through specific libraries that simplify the work. .... This
element itself includes table:table-row elements (one per row), with ...


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