Python debugging

Show list of all available attributes and methods for the object we pass in:


from datetime import datetime



print(dir(datetime))



# list of all available attributes and methods for the object we pass in

'''

['__add__', '__class__', '__delattr__', '__dir__', '__doc__',

'__eq__', '__format__', '__ge__', '__getattribute__', '__gt__',

'__hash__', '__init__', '__init_subclass__', '__le__', '__lt__',

'__ne__', '__new__', '__radd__', '__reduce__', '__reduce_ex__',

'__repr__', '__rsub__', '__setattr__', '__sizeof__', '__str__',

'__sub__', '__subclasshook__', 'astimezone', 'combine', 'ctime',

'date', 'day', 'dst', 'fold', 'fromisocalendar', 'fromisoformat',

'fromordinal', 'fromtimestamp', 'hour', 'isocalendar', 'isoformat',

'isoweekday', 'max', 'microsecond', 'min', 'minute', 'month', 'now',

'replace', 'resolution', 'second', 'strftime', 'strptime', 'time',

'timestamp', 'timetuple', 'timetz', 'today', 'toordinal', 'tzinfo',

'tzname', 'utcfromtimestamp', 'utcnow', 'utcoffset', 'utctimetuple',

'weekday', 'year']

'''



print(type(Person())) # <class '__main__.Person'>

print(Person) # <class '__main__.Person'>

Helpful debug info:


import sys, os



print(sys.path) # where Python is looking to import modules from

# ['D:\\python\\dev',

# 'C:\\Users\\username\\AppData\\Local\\Programs\\Python\\Python38-32\\Lib\\idlelib', 

# 'C:\\Program Files (x86)\\Google\\google_appengine', 

# 'C:\\Users\\username\\AppData\\Local\\Programs\\Python\\Python38-32\\python38.zip', 

# 'C:\\Users\\username\\AppData\\Local\\Programs\\Python\\Python38-32\\DLLs', 

# 'C:\\Users\\username\\AppData\\Local\\Programs\\Python\\Python38-32\\lib', 

# 'C:\\Users\\username\\AppData\\Local\\Programs\\Python\\Python38-32', 

# 'C:\\Users\\username\\AppData\\Local\\Programs\\Python\\Python38-32\\lib\\site-packages']



print(os.__file__) # prints path to the file

# C:\Users\username\AppData\Local\Programs\Python\Python38-32\lib\os.py

Show help info:


from datetime import datetime



help(datetime)

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