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"""
This module will hold generic functions that can operate on a wide-array of
data structures.
"""
from math import ceil
from functools import reduce
from typing import Any, Tuple, Sequence, Optional
def partition_all(num: int, items: Sequence[Any]) -> Tuple[Tuple[Any, ...], ...]:
"""
Given a sequence `items`, return a new sequence of the same type as `items`
with the data partitioned into sections of `n` items per partition.
This is an approximation of clojure's `partition-all` function.
"""
def __compute_start_stop__(acc, iteration):
start = iteration * num
return acc + ((start, start + num),)
iterations = range(ceil(len(items) / num))
return tuple([# type: ignore[misc]
tuple(items[start:stop]) for start, stop # type: ignore[has-type]
in reduce(
__compute_start_stop__, iterations, tuple())])
def parse_csv_line(
line: str, delimiter: str = ",",
quoting: Optional[str] = '"') -> Tuple[str, ...]:
"""
Parses a line from a CSV file into a tuple of strings.
This is a migration of the `web.webqtl.utility.webqtlUtil.readLineCSV`
function in GeneNetwork1.
"""
return tuple(
col.strip("{} \t\n".format(quoting)) for col in line.split(delimiter))
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