def rot13_encrypt(message):
message = message.lower().encode()
lower_chars = bytes.maketrans(
ascii_lowercase.encode(),
ascii_lowercase[13:].encode() + ascii_lowercase[:13].encode())
#upper_chars = makestrans(ascii_uppercase,ascii_lowercase[13:]) # If upper case chars must stay.
return message.translate(lower_chars) #.translate(upper_chars)
def test_stream_part_above_read_size():
stream = StreamChain(ascii_lowercase.encode())
assert stream.read(4) == b"abcd"
assert stream.read(8) == b"efghijkl"
assert stream.read(2) == b"mn"
assert stream.read(8) == b"opqrstuv"
assert stream.read(1) == b"w"
assert stream.read(8) == b"xyz"
assert stream.read(8) == b""
import re
from string import ascii_letters, ascii_lowercase, digits
from typing import Optional, TYPE_CHECKING, cast
BASCII_LOWERCASE = ascii_lowercase.encode("ascii")
BPCT_ALLOWED = {"%{:02X}".format(i).encode("ascii") for i in range(256)}
GEN_DELIMS = ":/?#[]@"
SUB_DELIMS_WITHOUT_QS = "!$'()*,"
SUB_DELIMS = SUB_DELIMS_WITHOUT_QS + "+&=;"
RESERVED = GEN_DELIMS + SUB_DELIMS
UNRESERVED = ascii_letters + digits + "-._~"
ALLOWED = UNRESERVED + SUB_DELIMS_WITHOUT_QS
_IS_HEX = re.compile(b"[A-Z0-9][A-Z0-9]")
class _Quoter:
def __init__(
self, *, safe: str = "", protected: str = "", qs: bool = False
) -> None:
self._safe = safe
self._protected = protected
self._qs = qs
def __call__(self, val: Optional[str]) -> Optional[str]:
if val is None:
return None
if not isinstance(val, str):
raise TypeError("Argument should be str")
if not val:
import os
import re
import sys
from string import ascii_letters, ascii_lowercase, digits
from typing import Optional, TYPE_CHECKING, cast
NO_EXTENSIONS = bool(os.environ.get("YARL_NO_EXTENSIONS")) # type: bool
if sys.implementation.name != "cpython":
NO_EXTENSIONS = True
BASCII_LOWERCASE = ascii_lowercase.encode("ascii")
BPCT_ALLOWED = {"%{:02X}".format(i).encode("ascii") for i in range(256)}
GEN_DELIMS = ":/?#[]@"
SUB_DELIMS_WITHOUT_QS = "!$'()*,"
SUB_DELIMS = SUB_DELIMS_WITHOUT_QS + "+&=;"
RESERVED = GEN_DELIMS + SUB_DELIMS
UNRESERVED = ascii_letters + digits + "-._~"
ALLOWED = UNRESERVED + SUB_DELIMS_WITHOUT_QS
_IS_HEX = re.compile(b"[A-Z0-9][A-Z0-9]")
class _Quoter:
def __init__(
self,
*,
safe: str = "",
if c in ignore:
continue
if len(l) and c ^ l[-1] == 0x20:
l.pop()
else:
l.append(c)
return l
advent.setup(2018, 5)
fin = advent.get_input(mode='rb')
polymer = fin.read().rstrip()
trimmed = react_fast(polymer)
reacted_len = len(trimmed)
advent.print_answer(1, reacted_len)
best_reacted_len = reacted_len
for l, L in zip(ascii_lowercase.encode(), ascii_uppercase.encode()):
reacted_len = len(react_fast(trimmed, {l, L}))
if reacted_len < best_reacted_len:
best_reacted_len = reacted_len
advent.print_answer(2, best_reacted_len)
# -*- coding: utf-8 -*-
from string import ascii_letters, ascii_lowercase, digits
BIN_ASCII_LOWERCASE = ascii_lowercase.encode('ascii')
BIN_PERCENTAGE_ALLOWED = {f'%{index:02X}'.encode('ascii') for index in range(256)}
GEN_DELIMS = ':/?#[]@'
SUB_DELIMS_WO_QS = '!$\'()*,;'
QUERY_STRING_NOT_SAFE = '+&='
SUB_DELIMS = f'{SUB_DELIMS_WO_QS}{QUERY_STRING_NOT_SAFE}'
RESERVED = f'{GEN_DELIMS}{SUB_DELIMS}'
UNRESERVED = f'{ascii_letters}{digits}-._~'
ALLOWED = f'{UNRESERVED}{SUB_DELIMS_WO_QS}'
def quote(value, safe='', protected='', query_string=False):
"""
Http quotes the given `value`.
Parameters
----------
value : `str`
The value to quote.
safe : `str`, Optional
Additional percentage encoding safe characters. Defaults to empty string.
protected : `str`, Optional
Additional character to have percentage encoding preference. Defaults to empty string.
query_string : `bool`, Optional
Whether the generated value is a query string key or value. Defaults to `False`
Returns
-------
from string import ascii_letters, ascii_lowercase, digits
BASCII_LOWERCASE = ascii_lowercase.encode('ascii')
BPCT_ALLOWED = {'%{:02X}'.format(i).encode('ascii') for i in range(256)}
GEN_DELIMS = ":/?#[]@"
SUB_DELIMS_WITHOUT_QS = "!$'()*,"
SUB_DELIMS = SUB_DELIMS_WITHOUT_QS + '+&=;'
RESERVED = GEN_DELIMS + SUB_DELIMS
UNRESERVED = ascii_letters + digits + '-._~'
ALLOWED = UNRESERVED + SUB_DELIMS_WITHOUT_QS
def _py_quote(val, *, safe='', protected='', qs=False, strict=True):
if val is None:
return None
if not isinstance(val, str):
raise TypeError("Argument should be str")
if not val:
return ''
val = val.encode('utf8', errors='strict' if strict else 'ignore')
ret = bytearray()
pct = b''
safe += ALLOWED
if not qs:
safe += '+&=;'
safe += protected
bsafe = safe.encode('ascii')
idx = 0
while idx < len(val):
ch = val[idx]
idx += 1
