How to define a __str__ method for a class?

by

Actually the same mechanism as for object instances applies for types. Types are just objects themselves, so they are converted to strings by calling the __str__() method on their type, which is called the “metaclass”. So you have to overwrite the __str__() method on the metaclass:

class fancytype(type):
    def __str__(self):
        return self.__name__
class ham(object):
    __metaclass__ = fancytype
print ham

prints

ham

More Related Contents:

  1. Equivalent to time.sleep for a PyQt application
  2. String concatenation of two pandas columns
  3. How to create a large pandas dataframe from an sql query without running out of memory?
  4. python recursion return None type
  5. How do I install pip on Windows?
  6. How to extract data from matplotlib plot
  7. Deleting list elements based on condition
  8. Efficient way of having a function only execute once in a loop
  9. Function to convert seconds into minutes, hours, and days
  10. Using NLTK and WordNet; how do I convert simple tense verb into its present, past or past participle form?
  11. Python and Windows Named Pipes
  12. FTPS with Python ftplib – Session reuse required
  13. Beautiful Soup and extracting a div and its contents by ID
  14. Upload image in Flask
  15. Cyclic module dependencies and relative imports in Python
  16. Efficient distance calculation between N points and a reference in numpy/scipy
  17. Write to StringIO object using Pandas Excelwriter?
  18. What’s the best way to store a phone number in Django models?
  19. Why am I getting httplib.BadStatusLine in python?
  20. aggregate() vs annotate() in Django
  21. How do I return an image in fastAPI?
  22. Can’t connect to Flask web service, connection refused
  23. Parsing a date that can be in several formats in python
  24. How to do a scatter plot with empty circles in Python?
  25. How can I host my own private conda repository?
  26. python function default parameter is evaluated only once? [duplicate]
  27. Load CSV to Pandas MultiIndex DataFrame
  28. How to run a python script at a specific time(s)
  29. reload module with pyximport?
  30. Decorator error: NoneType object is not callable

Leave a Comment