daniel156161
ed62837f6d
Build and Push Docker Container / build-and-push (push) Successful in 1m36s
- Add structured URL codec with compact alphabets and dictionary support. - Add public decode, redirect, and QR endpoints for composed links. - Add authenticated encode API and link composer UI. - Generate PNG QR codes via qrcode with Pillow support. - Register the new blueprint and navigation entry. - Cover public decode, auth gating, redirect URL parsing, and QR output. - Bump NanoShare to 1.27.0 and lock new dependencies.
29 lines
825 B
Python
29 lines
825 B
Python
def encode_int(value: int, alphabet: str) -> str:
|
|
if value < 0:
|
|
raise ValueError("cannot encode negative integers")
|
|
if value == 0:
|
|
return alphabet[0]
|
|
|
|
base = len(alphabet)
|
|
out = []
|
|
while value:
|
|
value, digit = divmod(value, base)
|
|
out.append(alphabet[digit])
|
|
return "".join(reversed(out))
|
|
|
|
def decode_int(text: str, alphabet: str) -> int:
|
|
index = {char: i for i, char in enumerate(alphabet)}
|
|
value = 0
|
|
base = len(alphabet)
|
|
for char in text:
|
|
if char not in index:
|
|
raise ValueError(f"invalid character for alphabet: {char!r}")
|
|
value = value * base + index[char]
|
|
return value
|
|
|
|
def bytes_to_int(data: bytes) -> int:
|
|
return int.from_bytes(data, "big") if data else 0
|
|
|
|
def int_to_bytes(value: int, length: int) -> bytes:
|
|
return value.to_bytes(length, "big") if length else b""
|