def format_bytes(size: float) -> str:
"""Format bytes to human readable string (e.g. 1.2 Gi)."""
power = 2**10
n = size
power_labels = {0 : '', 1: 'Ki', 2: 'Mi', 3: 'Gi', 4: 'Ti'}
count = 0
# Use the logic from storage.py as it seems slightly cleaner for general purpose,
# but ensure we cover the range logic from resources.py if needed.
# storage.py logic: while n > power
# resources.py logic: while n > 1024 and count < 4
# Combined refined logic:
while n > 1024 and count < 4:
n /= power
count += 1
return f"{n:.2f}{power_labels.get(count, 'Ti')}"
def parse_quantity(value: str) -> float:
"""
Parse kubernetes quantity string to float (cores or bytes).
Handles m, k, M, G, T, P, E, Ki, Mi, Gi, Ti, Pi, Ei.
"""
value = str(value).strip()
if not value:
return 0.0
if value.endswith('m'): # milli-cores
return float(value[:-1]) / 1000.0
# Binary prefixes (bytes)
binary_suffixes = {
'Ki': 2**10, 'Mi': 2**20, 'Gi': 2**30, 'Ti': 2**40, 'Pi': 2**50, 'Ei': 2**60
}
for suffix, multiplier in binary_suffixes.items():
if value.endswith(suffix):
return float(value[:-len(suffix)]) * multiplier
# Decimal suffixes
decimal_suffixes = {
'k': 10**3, 'M': 10**6, 'G': 10**9, 'T': 10**12, 'P': 10**15, 'E': 10**18
}
for suffix, multiplier in decimal_suffixes.items():
if value.endswith(suffix): # Be careful with capitalization for 'm' vs 'M'
return float(value[:-len(suffix)]) * multiplier
# Pure number
try:
return float(value)
except ValueError:
return 0.0
def format_cpu(cores: float) -> str:
"""Format CPU cores nicely (e.g. 500m or 1.5)."""
if cores < 1.0:
return f"{int(cores * 1000)}m"
return f"{cores:.2f}"
