21765279428

Committed 06 Feb 2026 08:43PM UTC coverage: 73.535% (-13.3%) from 86.871%

Build # 21765279428

Build Type

Pull #13716

github

Committed by

web-flow

Commit Message

Merge 0f5988375 into 20cc1b384

Pull Request Pull Request #13716: Events: improve Store IAM Statement typing

Run Details

6 of 6 new or added lines in 1 file covered. (100.0%)

9920 existing lines in 273 files now uncovered.

56187 of 76409 relevant lines covered (73.53%)

0.74 hits per line

Source File
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83.87

/localstack-core/localstack/utils/numbers.py

from typing import Any


def format_number(number: float, decimals: int = 2):
    # Note: interestingly, f"{number:.3g}" seems to yield incorrect results in some cases.
    # The logic below seems to be the most stable/reliable.
    result = f"{number:.{decimals}f}"
    if "." in result:
        result = result.rstrip("0").rstrip(".")
    return result


def is_number(s: Any) -> bool:
    # booleans inherit from int
    #
    # >>> a.__class__.__mro__
    # (<class 'bool'>, <class 'int'>, <class 'object'>)
    if s is False or s is True:
        return False

    try:
        float(s)  # for int, long and float
        return True
    except (TypeError, ValueError):
        return False


def to_number(s: Any) -> int | float:
    """Cast the string representation of the given object to a number (int or float), or raise ValueError."""
    try:
        return int(str(s))
    except ValueError:
        return float(str(s))


def format_bytes(count: float, default: str = "n/a"):
    """Format a bytes number as a human-readable unit, e.g., 1.3GB or 21.53MB"""
    if not is_number(count):
        return default
    cnt = float(count)
    if cnt < 0:
        return default
    units = ("B", "KB", "MB", "GB", "TB")
    for unit in units:
        if cnt < 1000 or unit == units[-1]:
            # FIXME: will return '1e+03TB' for 1000TB
            return f"{format_number(cnt, decimals=3)}{unit}"
        cnt = cnt / 1000.0
    return count

1	from typing import Any	1✔
2
3
4	def format_number(number: float, decimals: int = 2):	1✔
5	# Note: interestingly, f"{number:.3g}" seems to yield incorrect results in some cases.
6	# The logic below seems to be the most stable/reliable.
7	result = f"{number:.{decimals}f}"	1✔
8	if "." in result:	1✔
9	result = result.rstrip("0").rstrip(".")	1✔
10	return result	1✔
11
12
13	def is_number(s: Any) -> bool:	1✔
14	# booleans inherit from int
15	#
16	# >>> a.__class__.__mro__
17	# (<class 'bool'>, <class 'int'>, <class 'object'>)
18	if s is False or s is True:	1✔
19	return False	1✔
20
21	try:	1✔
22	float(s) # for int, long and float	1✔
23	return True	1✔
24	except (TypeError, ValueError):	1✔
25	return False	1✔
26
27
28	def to_number(s: Any) -> int \| float:	1✔
29	"""Cast the string representation of the given object to a number (int or float), or raise ValueError."""
UNCOV 30	try:	×
UNCOV 31	return int(str(s))	×
UNCOV 32	except ValueError:	×
UNCOV 33	return float(str(s))	×
34
35
36	def format_bytes(count: float, default: str = "n/a"):	1✔
37	"""Format a bytes number as a human-readable unit, e.g., 1.3GB or 21.53MB"""
38	if not is_number(count):	1✔
39	return default	1✔
40	cnt = float(count)	1✔
41	if cnt < 0:	1✔
42	return default	1✔
43	units = ("B", "KB", "MB", "GB", "TB")	1✔
44	for unit in units:	1✔
45	if cnt < 1000 or unit == units[-1]:	1✔
46	# FIXME: will return '1e+03TB' for 1000TB
47	return f"{format_number(cnt, decimals=3)}{unit}"	1✔
48	cnt = cnt / 1000.0	1✔
49	return count	×

localstack / localstack / 21765279428

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