python Programming Glossary: visitor

Check if key is pressed using python (a daemon in the background)

http://stackoverflow.com/questions/1859049/check-if-key-is-pressed-using-python-a-daemon-in-the-background

comments in English so # that you may understand them dear visitor ... # # Meine Kommentare in den Quellcodes sind absichtlich..

Python linked list O(1) insert/remove

http://stackoverflow.com/questions/2154946/python-linked-list-o1-insert-remove

I will iterate over the list forwards one by one using a visitor on each entry starting from the beginning or a position found..

Paginating the results of a Django forms POST request

http://stackoverflow.com/questions/2266554/paginating-the-results-of-a-django-forms-post-request

this 1 You can use sessions to store the query Every visitor who visits your site will get an empty session object and you.. this object which acts like a dict. Drawback A single visitor can't do multiple searches with pagination concurrently. 2 Use..

How to write the Visitor Pattern for Abstract Syntax Tree in Python?

http://stackoverflow.com/questions/2525677/how-to-write-the-visitor-pattern-for-abstract-syntax-tree-in-python

Syntax Tree in Python My collegue suggested me to write a visitor pattern to navigate the AST. Can anyone tell me more how would.. 5 Op Number 2 Number 444 Can anyone think of how the visitor pattern would visit this tree to produce output 5 2 444 Thanks.. Boda Cydo. python parsing compiler abstract syntax tree visitor pattern share improve this question Wikipedia has a great..

Return a list of imported Python modules used in a script?

http://stackoverflow.com/questions/2572582/return-a-list-of-imported-python-modules-used-in-a-script

from compiler.ast import Discard Const from compiler.visitor import ASTVisitor def pyfiles startPath r d os.path.abspath.. class ImportWalker ASTVisitor def __init__ self visitor ASTVisitor.__init__ self self._visitor visitor def default self.. def __init__ self visitor ASTVisitor.__init__ self self._visitor visitor def default self node args self._visitor.default node..

How to do this - python dictionary traverse and search

http://stackoverflow.com/questions/380734/how-to-do-this-python-dictionary-traverse-and-search

traverses the attrs sub dictionaries. def walkDict aDict visitor path for k in aDict if k 'attrs' visitor path aDict k elif type.. walkDict aDict visitor path for k in aDict if k 'attrs' visitor path aDict k elif type aDict k dict pass else walkDict aDict.. aDict k elif type aDict k dict pass else walkDict aDict k visitor path k def printMe path element print path element def filterFor..

Generating natural schedule for a sports league

http://stackoverflow.com/questions/5913616/generating-natural-schedule-for-a-sports-league

plays each other one time as home team and the other as a visitor team on another teams field. To generate a set of all games..

sandboxing/running python code line by line

http://stackoverflow.com/questions/9670931/sandboxing-running-python-code-line-by-line

calls. Then I execute the modified tree. tree parse source visitor TraceAssignments new_tree visitor.visit tree fix_missing_locations.. tree. tree parse source visitor TraceAssignments new_tree visitor.visit tree fix_missing_locations new_tree code compile new_tree..

How to write the Visitor Pattern for Abstract Syntax Tree in Python?

http://stackoverflow.com/questions/2525677/how-to-write-the-visitor-pattern-for-abstract-syntax-tree-in-python

to write the Visitor Pattern for Abstract Syntax Tree in Python My collegue suggested.. this question Wikipedia has a great overview of how the Visitor pattern works although the sample implementation that they use..

How to do this - python dictionary traverse and search

http://stackoverflow.com/questions/380734/how-to-do-this-python-dictionary-traverse-and-search

is unpleasantly irregular. Here's a version with a Visitor function that traverses the attrs sub dictionaries. def walkDict.. filterFor This can be turned into a generator instead of a Visitor it would yield path aDict k instead of invoking the visitor..

Django - How to make ModelAdmin classes show up in available permissions

http://stackoverflow.com/questions/5486018/django-how-to-make-modeladmin-classes-show-up-in-available-permissions

permissions I made a simple Django app. I have one model Visitor . My goal is to have two two tables appear in the Django admin... these instructions . However my trouble is I can't get VisitorExpectedTodayProxy to show up in the available permissions when.. page. Does anyone know how to do that Models.py class Visitor models.Model visit_datetime models.DateTimeField null True visitor_name..

Choosing between different switch-case replacements in Python - dictionary or if-elif-else?

http://stackoverflow.com/questions/594442/choosing-between-different-switch-case-replacements-in-python-dictionary-or-if

Using an if elif else ladder Someone even recommended the Visitor pattern Possibly Extrinsic Given the wide variety of options.. . Use anything else. Someone even recommended the Visitor pattern. Use this when you have an object which follows the..