This is a basic question I'm sure but I do not know wether to use __builtin__,
global, or a static method:
I have a very large XML file that I load into dictionnaries defined in a class
located in a module that is imported in many places.
Since the loading process is very slow, I would like the file not to be loaded
on import or class instantiation, but only once (on first import or class
instantiation).
Currently I have the loading code in the class __init__.
Is there a clean way to do this (I'd like to avoid global)?
Regards,
Philippe
--
*********************
Philippe C. Martin
SnakeCard LLC www.snakecard.com
********************* 1  1191 
Am Tue, 07 Dec 2004 09:25:57 -0600 schrieb Philippe C. Martin: This is a basic question I'm sure but I do not know wether to use __builtin__,
global, or a static method:
I have a very large XML file that I load into dictionnaries defined in a class
located in a module that is imported in many places.
Since the loading process is very slow, I would like the file not to be loaded
on import or class instantiation, but only once (on first import or class
instantiation).
Currently I have the loading code in the class __init__.
Hi,
You have this module (mymod.py)
print "First import"
xmlfile=....
If you import mymod the second time, you
won't see "First import" again. The code
without indentation gets executed only once.
You can access your file with mymod.xmlfile.
HTH,
Thomas
--
Thomas Güttler, http://www.thomas-guettler.de/ This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
by: Steve |
last post by:
Hi all i am just starting to get back into VB and i need a little help.
I am writing a program that asks a user to type in a set of numbers/letters
(in this case shipping containers).
Once the data is entered i have my 4 letters and i want to be able to call
up data relating to the 4 letters.
Basically i want it to show who the...
|
by: Hans-Joachim Widmaier |
last post by:
Hi all.
Handling files is an extremely frequent task in programming, so most
programming languages have an abstraction of the basic files offered by
the underlying operating system. This is indeed also true for our language
of choice, Python. Its file type allows some extraordinary convenient
access like:
for line in open("blah"):...
|
by: Brian K. |
last post by:
I am trying to split up and secure a database that we've been using on
a network for a few years, following the procedure listed in Q304932
from microsoft.
I create a new blank database for the front end, and am able to import
tables and link from the backend. Queries come in ok too. When I
tried to import Modules, forms, and reports,...
|
by: Pete Davis |
last post by:
I'm confused about what precisely the limitations are on loading plugins in
separate app domains. In all my previous apps that supported plugins, I've
loaded them into the same domain as the app, but I've just started playing
around with separate AppDomains and I'm finding that I'm not having problems
where I expected I would, so maybe someone...
|
by: Lokkju |
last post by:
I am pretty much lost here - I am trying to create a managed c++
wrapper for this dll, so that I can use it from c#/vb.net, however, it
does not conform to any standard style of coding I have seen. It is
almost like it is trying to implement it's own COM interfaces...
below is the header, and a link to the dll+code:
Zip file with header,...
| | |
by: blackhawk |
last post by:
I need to build a web page that has to potentially display a large amount of
data in two grids on the same page. The HTML file with all of the formatting
is about 7MB in size. This is too large and I need to implement some kind of
"client side" lazy loading.
What I mean is this: I want to display a grid that only shows, say, 20
records....
|
by: Nickolai Leschov |
last post by:
Hello all,
I am programming an embedded controller that has a 'C' library for using
its system functions (I/O, timers, all the specific devices). The
supplied library has .LIB and .H files.
How can I dynamically load a LIB file and access all its functions?
Surely someone has solved similar task?
My intention is to use a Forth system...
|
by: KevinADC |
last post by:
Note: You may skip to the end of the article if all you want is the perl code.
Introduction
Many websites have a form or a link you can use to download a file. You click a form button or click on a link and after a moment or two a file download dialog box pops-up in your web browser and prompts you for some instructions, such as “open” or...
|
by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main...
|
by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language...
|
by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For...
| | |
by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the...
|
by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes...
|
by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert...
|
by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in...
|
by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
|
by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating...
| |
