lstr 0.0.0a1

Partially lockable strings

lstr: Lockable Python Strings

lstr is a Python package for partially lockable strings.

Without locks, an lstr can be updated:

from lstr import lstr

greeting = lstr("Hello, world!")
print(greeting)  # "Hello, world!"

greeting.replace("Hey", index=0, length=5)  # True
print(greeting)  # "Hey, world!"

To prevent a part of the string being updated, add a lock:

from lstr import lstr

greeting = lstr("Hello, world!")
greeting.lock(index=0, length=5)

greeting.replace("Hey", index=0, length=5)  # False
print(greeting)  # "Hello, world!"

greeting.replace(" there", index=5, length=7)  # True
print(greeting)  # "Hello there!"

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