Parsing city of origin / destination city from a string
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python
Python: argparse optional arguments without dashes
There is no way to get argparse to do this for you. However, you can make argparse accept any number of positional arguments: parser.add_argument(‘FILES’,nargs=”*”) options=parser.parse_args() file1,optional_files=options.FILES[0],options.FILES[1:] Of course, you may want to add some checks to make sure that at least 1 file was given, etc. EDIT I’m still not 100% sure what you want … Read more
How can I prevent sphinx from displaying the full path to my class?
Try adding add_module_names = False in conf.py
Is there complete documentation for `setup.cfg`?
Yes, in the documentation of the setuptools. Here it is: https://setuptools.readthedocs.io/en/latest/userguide/declarative_config.html
Is there a linked list predefined library in Python? [closed]
You can also take a look at llist python package, which provides some useful features that deque does not. There are not only doubly linked lists, but also single linked lists data structure in that package. IMHO, one of the biggest advantages of this package is the ability to store a reference to the llist … Read more
Getting correct string length in Python for strings with ANSI color codes
The pyparsing wiki includes this helpful expression for matching on ANSI escape sequences: ESC = Literal(‘\x1b’) integer = Word(nums) escapeSeq = Combine(ESC + ‘[‘ + Optional(delimitedList(integer,’;’)) + oneOf(list(alphas))) Here’s how to make this into an escape-sequence-stripper: from pyparsing import * ESC = Literal(‘\x1b’) integer = Word(nums) escapeSeq = Combine(ESC + ‘[‘ + Optional(delimitedList(integer,’;’)) + oneOf(list(alphas))) … Read more
A question about “ModuleNotFoundError: No module named ‘numpy.typing'”
Re-posting the resolution in the comments above as a community wiki for better visibility: The numpy typing module was introduced in numpy 1.20 Make sure that you have the correct numpy version by running the following at the beginning of your notebook: %pip install -U numpy
How to filter choices in Django2’s autocomplete_fields?
If you are using autocomplete_fields for a ManyToManyField on ‘self’, this example will exclude the current object. Get the current object’s id by overriding get_form: field_for_autocomplete = None def get_form(self, request, obj=None, **kwargs): if obj: self.field_for_autocomplete = obj.pk return super(MyAdmin, self).get_form(request, obj, **kwargs) Next, override get_search_results. Modify the queryset only for your model’s autocomplete URI: … Read more
export conda environment without prefix variable which shows local path to executable
This question was already addressed here, but without a real explanation on the role of prefix. At least there is a solution to exclude the prefix line programmatically. It is not mentioned in the conda doc, except for the fact that conda env export –prefix PATH allows to specify a prefix. But note that –name … Read more
Preferred way of resetting a class in Python
Both are correct but the semantics are not implemented the same way. To be able to reset an instance, I would write this (I prefere to call a custom method from __init__ than the opposite, because __init__ is a special method, but this is mainly a matter of taste): class Foo: def __init__(self): self.reset() def … Read more