Is something built in for this? It doesn’t need to have it’s members immutable, it just needs to be in the standard library. I don’t want to be the guy who subclasses the Array class to add a Python feature to a project. Does it have a different name in Ruby? Answer Something like this in Py…
Tag: python
Progress of Python requests post
I am uploading a large file using the Python requests package, and I can’t find any way to give data back about the progress of the upload. I have seen a number of progress meters for downloading a file, but these will not work for a file upload. The ideal solution would be some sort of callback method …
What does the comma mean in Python’s unpack?
We can simply use: why do people write it like this: What does the comma mean? Answer The first variant returns a single-element tuple: To get to the value, you have to write crc[0]. The second variant unpacks the tuple, enabling you to write crc instead of crc[0]:
Is it possible to create a numpy.ndarray that holds complex integers?
I would like to create numpy.ndarray objects that hold complex integer values in them. NumPy does have complex support built-in, but for floating-point formats (float and double) only; I can create an ndarray with dtype=’cfloat’, for example, but there is no analogous dtype=’cint16′. I…
Django Test framework with file based Email backend server
I have formulated test cases in Django framework. Use Case: I am using API that register user by sending them an Email and when they click on the link provided in the Email their account get activated. In my settings.py I am using which points to the local directory. When running PyUnit test case from eclipse…
What is the naming convention for Python class references
What is the naming convention for a variable referencing a class in Python? Here is another example that resembles my situation: I would prefer ReferenceToClass, that everybody new to the code knows it’s a class and not an instance. But as poplitea wrote, literature reference would be great. Answer On m…
How to pass arguments to the metaclass from the class definition?
I’m trying to dynamically generate classes in python 2.7, and am wondering if you can easily pass arguments to the metaclass from the class object. I’ve read this post, which is awesome, but doesn’t quite answer the question. at the moment I am doing: but this requires me to do the following…
base64 miss encodestring
I run in console python base64.py, get the below error message. but i can run it in textMate correctly. AttributeError: ‘module’ object has no attribute ‘encodestring’ Answer The name of your file should not be base64.py, it collides with the module you’re using. Rename your file…
Writelines writes lines without newline, Just fills the file
I have a program that writes a list to a file. The list is a list of pipe delimited lines and the lines should be written to the file like this: BUT it wrote them line this ahhhh: This program wrote all the lines into like one line without any line breaks.. This hurts me a lot and I gotta
Split string into strings by length?
Is there a way to take a string that is 4*x characters long, and cut it into 4 strings, each x characters long, without knowing the length of the string? For example: Answer