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relax printable checks #21

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Merged
riccardobl merged 2 commits into from
Dec 23, 2025
Merged

relax printable checks #21

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c17688e
relax printable checks
riccardobl Dec 3, 2025
beced24
format
riccardobl Dec 3, 2025
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19 changes: 17 additions & 2 deletions paranoia.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,12 @@
from loguru import logger

ENABLE_HARDENING = True
WHITELISTED_NON_PRINTABLE_CHARS = {
"\n", # newline
"\r", # carriage return
"\t", # tab
"\xa0", # non-breaking space ( )
}


def panic(reason: str):
Expand All @@ -17,8 +23,17 @@ def assert_printable(v: str):
return
if not isinstance(v, str):
panic("not a string " + str(v))
if not v.isprintable():
panic("string contains non-printable characters")
for ch in v:
# check if printable
if ch.isprintable():
continue

# check if whitelisted non-printable
if ch in WHITELISTED_NON_PRINTABLE_CHARS:
continue

# Anything else is rejected
panic(f"string contains non-printable character: (0x{ord(ch):04X})")


# Check if number is valid int and not NaN
Expand Down