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Data Python scripts

Deque collection class

... collections.deque(). It uses a dictionary as the underlying data structure for the deque (pronounced "deck", short for "double-ended queue", a generalization of stacks and queues) which provides O(1) performance for appends and pops from either end.   ...
Python

Summary reports using itertools groupby

This script produces a summary of the data, grouped by the given key (default: the first ... value arguments should be functions which, given a data record, return the relevant value. ...
Python

Python Octree Implementation

This script is a simple implementation of an octree data structure in python. Its use is primarily for fast collision or view frustrum culling in interactive 3d environments, but its possible uses are quite open-ended. It was originally written for use with the pyOgre 3d engine binding. The code makes use ...
Python

Design mini lanugage

... text handling capability to parse and build the data structure from the input text. ...
Python

Tuples with Named Elements via Spawning

... the definition of the attribute names from the data specification. And in doing so, this approach diminishes instantiation hassles and further improves clarity. ...
Python

Constellation Finder

The script demonstrates the use of SETs in Python. There is a key object that has constellations already identified and a stars object that contains the stars in the sky. Keys are used to unlocks the stars and the results are printed out for the user of the program. ...
Python

Convert DB Fixed Width Output to CSV Format

... program takes an input of a fixed width database output file with a header names, dashes, and data and converts it into CSV data. The code assumes that the dashes represent the ... widths. For simplicity, all quotes are removed from data and all columns are wrapped with quotes. ...
Python

Recover files from damaged media

Files existing on damaged media (eg old CD-ROMs) are not completely lost. Often, readers will read sectors unreadable in other readers.The "trick" shown by this script is to merge the successful reads from several devices. ...
Python

mx ODBC example

... a few hundred thousand rows of an access database in seconds where pure ADO would take 30 ... simple example of how to talk to a database, in this case an access file, get the columns of a table and get data from the table. ...
Python

Metakit for safe reading and writing

Metakit is a reliable/lightweight/fast database library that python can use. Metakit has an ... simultaneous readers and one writer w/out needing a database server to synchronize things. ...
Python

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