gitdb_blob_store_and_retrieve_quickstart.py

1import io
2from gitdb import GitDB
3from gitdb.base import IStream
4from gitdb.util import hex_to_bin
5
6# Initialize a GitDB pointing to a directory (e.g., a .git/objects folder)
7# For this example, we'll use a temporary or existing directory
8db = GitDB("path/to/repo/.git/objects")
9
10# 1. Create a new object (Blob)
11data = b"my data"
12istream = IStream("blob", len(data), io.BytesIO(data))
13
14# 2. Write the object to the database
15# The database will compute the sha for us
16db.store(istream)
17assert len(istream.binsha) == 20
18
19# 3. Retrieve the object back
20# Use the binsha generated during storage
21sha = istream.binsha
22ostream = db.stream(sha)
23
24# Read the object data
25assert ostream.read() == data
26print(f"Stored and retrieved object with SHA: {ostream.hexsha}")