You could use make_dataclass to create X on the fly: X = make_dataclass(‘X’, [(‘i’, int), (‘s’, str)]) x = X(i=42, s=”text”) asdict(x) # {‘i’: 42, ‘s’: ‘text’} Or as a derived class: @dataclass class X: i: int x = X(i=42) x.__class__ = make_dataclass(‘Y’, fields=[(‘s’, str)], bases=(X,)) x.s=”text” asdict(x) # {‘i’: 42, ‘s’: ‘text’}
If your input value is a str string, use codecs.decode() to convert: import codecs codecs.decode(raw_unicode_string, ‘unicode_escape’) If your input value is a bytes object, you can use the bytes.decode() method: raw_byte_string.decode(‘unicode_escape’) Demo: >>> import codecs >>> codecs.decode(‘\\x89\\n’, ‘unicode_escape’) ‘\x89\n’ >>> b’\\x89\\n’.decode(‘unicode_escape’) ‘\x89\n’ Python 2 byte strings can be decoded with the ‘string_escape’ codec: >>> import … Read more
If you want to change your byte sequence, you should use a bytearray. It is mutable and has the .append method: >>> a = bytearray(b’\x14\xf6′) >>> a.append(a[0]) >>> a bytearray(b’\x14\xf6\x14′) What happens in your approach: when you do a += a[0] you are trying to add an integer to a bytes object. That doesn’t make … Read more
Solution: import pytest @pytest.mark.django_db class TestExample: def test_one(): … Assume that you’ve created a TestExample class inside your test file and it should be decorated with @pytest.mark.django_db. It should solve your problem.
This is a great question. I’ll try to show you how we can use Python’s introspective abilities and open source to get an answer. We can use the dis module to peek behind the curtain and see how the CPython interpreter implements a for loop over an iterator. >>> def for_loop(iterable): … for item in … Read more
You have pip installed for python 2, but not python 3. Ubuntu distributes python-pip, python3-pip, python-setuptools and python3-setuptools packages, which you can install (apt-get install etc) as necessary. Thereafter, note that pip installs for python 2, and pip3 installs for python 3 (similar to python, and python3). Setuptools could be said to provide python’s “build” … Read more
Request is an HTTP library. You can specify the port in the URL http://example.com:4028/…. But, from what I can read in a hurry here cgminer provides a RPC API (or JSON RPC?) not an HTTP interface.
It’s likely because of this issue (or something similar): import numpy as np import json json.dumps({“X”: np.int32(5) > 5}) TypeError: Object of type ‘bool_’ is not JSON serializable The issue is that you end up with something of type bool_ instead of bool. Calling bool()on whichever value(s) are of the wrong type will fix your … Read more
It seems like you’re using Python 2.x, not Python 3.x. Check your python version: >>> import sys >>> sys.version ‘2.7.5 (default, May 15 2013, 22:44:16) [MSC v.1500 64 bit (AMD64)]’ >>> print(1, end=”) File “<stdin>”, line 1 print(1, end=”) ^ SyntaxError: invalid syntax In Python 3.x, it should not raise Syntax Error: >>> import sys … Read more
I believe strip is the pythonic way. It is usually the case when there is a builtin function. There are a few builtin path manipulators available in the os library. You might want to use them if one of the manipulators is a match for your use case.