Utilities for use in Python Apps
by kwoolter 🐒
©️ 2017

##pick()

def pick(object_type: str, objects: list, auto_pick: bool=False)

Use to ask the user to select and item from a list or cancel if they decide not to pick one.

####Inputs

• object_type - the type of object that you are going to choose from a list e.g. "Weapon"
• objects - the list of objects that the user will be asked to pick from
• auto_pick - if the list only contains 1 item and auto_pick is True then the function automatically returns the only item without user intervention.

####Outputs Returns the selected object from the list or returns None if the user cancelled the selection.

##confirm()

def confirm(question : str):

Use to get the user to respond to a simple Yes/No question.

####Inputs

• question - a string containing the question that you want the user to answer Yes/No to.

####Outputs Returns True if the user picked Yes and False if the user picked No

##is_numeric()

def is_numeric(s):

####Inputs

• s - the variable that you want to see is numeric or not

####Outputs The numeric value of s or None if s is not numeric

##Class Colours

class Colours:

Use to store RGB values of common colours for use in graphics apps.
e.g. Colours.BLACK, Colours.RED

##Class HighScoreTable

class HighScoreTable:

Use to track a high score table which can be persisted to file using save() and load() methods.

###Member Variables self.table : []

Contains a sorted list of (name, score) tuples. Access this list if you want to display the contents of the high score table yourself.

###Methods

def __init__(self, name = "default", max_size = 10)

Construct a high score table object.

• name : The name of the high score table
• max_size : how many score entries do you want to maintain in the table (default is 10)

def add(self, name : str, score : float):

Add a specified name and score to the high score table. Returns True if the score made it into the high score table.

def is_high_score(self, score):

Check to see if a specified score makes it into the current high score table. Returns True if the score is good enough to get into the current table.

def save(self):

Save the high score table to file called name+".hst" e.g. Zelda.hst

def load(self):

Load a high score table from a file called name+".hst".

def print(self):

Print the high score table.