Questions tagged [namedtuple]
namedtuple is a data structure provided by the Python collections module. It enables the creation of tuples with named elements (e.g., a Student tuple with the values (name, school, age) rather than a tuple with just two strings and an integer).
namedtuple
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Searching a List of NamedTuples for Specific Attribute [duplicate]
I have a list of NamedTuples (extract below) and I want to search through the list and print "Found" if an attribute of one of the tuples contains a specific string.
This is my first time ...
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how to model simple nested data static structure instead of nested dictionaries (namedtuple, dataclass... )
I hope there is some best practice or design pattern for use case of having simple nested data/mapping with need to pre-store data, select proper data group, and conveniently access specific values. ...
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Can I unpack/destructure a typing.NamedTuple?
This is a simple question so I'm surprised that I can't find it asked on SO (apologies if I've missed it), and it always pops into my mind as I contemplate a refactor to replace a tuple by a ...
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Are pickle-able tuple-factories (with names) possible?
There are several questions about pickling namedtuples already, however none of the ones I found [1] [2] [3] [4] deals with the case of pickling a namedtuple that is bound on an object instance. ...
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Mypy does not detect errors regarding the use of NamedTuple inside functions
In the following code the defintions of x2 and x3 are obviously wrong, yet mypy does not complain.
from typing import NamedTuple
class X(NamedTuple):
a: float
b: float
c: float
def foo():...
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Iterate Over List and Deduct Random Value from Time Values
I have a long list of NamedTuples which contain time values. Extract below. I want to iterate over the list and deduct a random value from each time value. ie a different random number for each time ...
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How to type a generic function with namedtuples?
I have a wrapper class for a database cursor like this:
namedtuple_def = TypeVar("namedtuple_def")
class Wrapper:
def fetchall(defn: Optional[namedtuple_def] = None) -> List[...
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Name a nested typing.NamedTuple in the same outer class in Python
I have a problem in Python I can work around, but I'd really like to understand why it doesn't work the way I think it should.
I have a class A which has nested typing.NamedTuples B and C. So far so ...
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Iterate through list of NamedTuples and add random value
I have a list of NamedTuples (short extract below) and wrote some code to add the same random value to each of the a and b values in the tuple. The list will vary in length.
This works ok but I now ...
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NamedTuple as String data types most versatile
from collections import namedtuple
Data=namedtuple('Data','name number age cgpa')#best to keep all data types as string
def prettyprint(X,end="\n"):
s="{0},{1},{2},{3}".format(...
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Search substring in list of dictionaries of namedtuples keyed with an event type
I have created a list of dictionaries of named tuples, keyed with an event type.
[{'EVENT_DELETE': DeleteRequestDetails(rid=53421, user='user1', type='EVENT_DELETE', reviewed=1, approved=1, completed=...
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NamedTuple with default values
I'm trying to use a function with a parameter of namedTuple which has default values.
I tried this. Is that somehow possible?
from typing import Optional, NamedTuple
Stats = NamedTuple("...
user17572769
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Python proccess pool executor and named tuple leads to unit test error -> "cannot pickle '_io.TextIOWrapper' object"
I am trying to use namedtuple along with process pool executor and when writing a unit test , i keep getting an error below
The dut in the code represent the python file where i have the 2 functions ...
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list of namedtuples; how to calculate the sum of individual elements
Say I have namedtuple:
Trade = namedtuple('Trade', ['Ticker', 'Date', 'QTY', 'Sell', 'Buy', 'Profit'])
Is there any 'pythonic' way to do a one-liner sum of each 'summable' or 'selected' (QTY, Sell, ...
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UrlSplitResult: can't _replace fields
I'm trying to inject a basic-authentication into an url by split-inject-join:
url = urllib.parse.urlsplit(url)
new_url = url._replace(username=user, password=password)
But I'm surprised about ...
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