add the ulibs

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C committed 2025-12-21 15:46:38 -08:00
1 parent 150708564c
commit f3982221a1
2 files changed
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class Base64:
def __init__(self):
# Base64 alphabet
self.alphabet = (
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
)
def encode(self, data: str) -> str:
# Convert string to bytes and get binary representation
binary = "".join([format(b, "08b") for b in data.encode()])
# Pad with zeros if necessary
padding = len(binary) % 6
if padding:
binary += "0" * (6 - padding)
# Split into 6-bit chunks and convert to decimal
chunks = [binary[i : i + 6] for i in range(0, len(binary), 6)]
result = "".join(self.alphabet[int(chunk, 2)] for chunk in chunks)
# Add padding characters
padding = len(data) % 3
if padding:
result += "=" * (3 - padding)
return result
def decode(self, data: str) -> str:
# Remove padding characters
data = data.rstrip("=")
# Convert to binary
binary = "".join([format(self.alphabet.index(c), "06b") for c in data])
# Remove padding zeros
padding = len(binary) % 8
if padding:
binary = binary[:-padding]
# Convert binary to bytes and then to string
bytes_data = [int(binary[i : i + 8], 2) for i in range(0, len(binary), 8)]
return bytes(bytes_data).decode()
# Example usage
def example():
b64 = Base64()
original = "Hello, World!"
encoded = b64.encode(original)
print(f"Original: {original}")
print(f"Encoded: {encoded}")
if __name__ == "__main__":
example()
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import secrets
class MicroUUID:
def __init__(self):
self.uuid = self.generate_uuid()
def generate_uuid(self):
# Generate a random UUID (version 4)
random_bytes = secrets.token_bytes(16)
# Set the version to 4 (randomly generated UUID)
random_bytes = bytearray(random_bytes)
random_bytes[6] = (random_bytes[6] & 0x0F) | 0x40
# Set the variant to RFC 4122
random_bytes[8] = (random_bytes[8] & 0x3F) | 0x80
uid = "".join(f"{byte:02x}" for byte in random_bytes)
return f"{uid[0:8]}-{uid[8:12]}-{uid[12:16]}-{uid[16:20]}-{uid[20:32]}"
def __str__(self):
return self.uuid
# Example usage:
def example():
uuid_instance = MicroUUID()
print(f"Generated UUID: {uuid_instance}")
if __name__ == "__main__":
example()