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# This module is part of GitPython and is released under the

# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/

import gc

from test.lib import TestBase

from test.lib.helper import with_rw_directory

class QuickDoc(TestBase):

def tearDown(self):

gc.collect()

@with_rw_directory

def test_init_repo_object(self, path_to_dir):

# [1-test_init_repo_object]

# $ git init <path/to/dir>

from git import Repo

repo = Repo.init(path_to_dir)

# ![1-test_init_repo_object]

# [2-test_init_repo_object]

repo = Repo(path_to_dir)

# ![2-test_init_repo_object]

del repo # Avoids "assigned to but never used" warning. Doesn't go in the docs.

@with_rw_directory

def test_cloned_repo_object(self, local_dir):

from git import Repo

# Code to clone from url

# [1-test_cloned_repo_object]

# $ git clone <url> <local_dir>

repo_url = "https://github.com/gitpython-developers/QuickStartTutorialFiles.git"

repo = Repo.clone_from(repo_url, local_dir)

# ![1-test_cloned_repo_object]

# Code to add files

# [2-test_cloned_repo_object]

# We must make a change to a file so that we can add the update to git

update_file = "dir1/file2.txt" # we'll use local_dir/dir1/file2.txt

with open(f"{local_dir}/{update_file}", "a") as f:

f.write("\nUpdate version 2")

# ![2-test_cloned_repo_object]

# [3-test_cloned_repo_object]

# $ git add <file>

add_file = [update_file] # relative path from git root

repo.index.add(add_file) # notice the add function requires a list of paths

# ![3-test_cloned_repo_object]

# Code to commit - not sure how to test this

# [4-test_cloned_repo_object]

# $ git commit -m <message>

repo.index.commit("Update to file2")

# ![4-test_cloned_repo_object]

# [5-test_cloned_repo_object]

# $ git log <file>

# Relative path from git root

repo.iter_commits(all=True, max_count=10, paths=update_file) # Gets the last 10 commits from all branches.

# Outputs: <generator object Commit._iter_from_process_or_stream at 0x7fb66c186cf0>

# ![5-test_cloned_repo_object]

# [6-test_cloned_repo_object]

commits_for_file_generator = repo.iter_commits(all=True, max_count=10, paths=update_file)

commits_for_file = list(commits_for_file_generator)

commits_for_file

# Outputs: [<git.Commit "SHA1-HEX_HASH-2">,

# <git.Commit "SHA1-HEX-HASH-1">]

# ![6-test_cloned_repo_object]

# Untracked files - create new file

# [7-test_cloned_repo_object]

f = open(f"{local_dir}/untracked.txt", "w") # Creates an empty file.

f.close()

# ![7-test_cloned_repo_object]

# [8-test_cloned_repo_object]

repo.untracked_files

# Output: ['untracked.txt']

# ![8-test_cloned_repo_object]

# Modified files

# [9-test_cloned_repo_object]

# Let's modify one of our tracked files.

with open(f"{local_dir}/Downloads/file3.txt", "w") as f:

f.write("file3 version 2") # Overwrite file 3.

# ![9-test_cloned_repo_object]

# [10-test_cloned_repo_object]

repo.index.diff(None) # Compares staging area to working directory.

# Output: [<git.diff.Diff object at 0x7fb66c076e50>,

# <git.diff.Diff object at 0x7fb66c076ca0>]

# ![10-test_cloned_repo_object]

# [11-test_cloned_repo_object]

diffs = repo.index.diff(None)

for d in diffs:

print(d.a_path)

# Output

# Downloads/file3.txt

# ![11-test_cloned_repo_object]

# Compares staging area to head commit

# [11.1-test_cloned_repo_object]

diffs = repo.index.diff(repo.head.commit)

for d in diffs:

print(d.a_path)

# Output

# ![11.1-test_cloned_repo_object]

# [11.2-test_cloned_repo_object]

# Let's add untracked.txt.

repo.index.add(["untracked.txt"])

diffs = repo.index.diff(repo.head.commit)

for d in diffs:

print(d.a_path)

# Output

# untracked.txt

# ![11.2-test_cloned_repo_object]

# Compare commit to commit

# [11.3-test_cloned_repo_object]

first_commit = list(repo.iter_commits(all=True))[-1]

diffs = repo.head.commit.diff(first_commit)

for d in diffs:

print(d.a_path)

# Output

# dir1/file2.txt

# ![11.3-test_cloned_repo_object]

"""Trees and Blobs"""

# Latest commit tree

# [12-test_cloned_repo_object]

tree = repo.head.commit.tree

# ![12-test_cloned_repo_object]

# Previous commit tree

# [13-test_cloned_repo_object]

prev_commits = list(repo.iter_commits(all=True, max_count=10)) # Last 10 commits from all branches.

tree = prev_commits[0].tree

# ![13-test_cloned_repo_object]

# Iterating through tree

# [14-test_cloned_repo_object]

files_and_dirs = [(entry, entry.name, entry.type) for entry in tree]

files_and_dirs

# Output

# [(< git.Tree "SHA1-HEX_HASH" >, 'Downloads', 'tree'),

# (< git.Tree "SHA1-HEX_HASH" >, 'dir1', 'tree'),

# (< git.Blob "SHA1-HEX_HASH" >, 'file4.txt', 'blob')]

# ![14-test_cloned_repo_object]

# [15-test_cloned_repo_object]

def print_files_from_git(root, level=0):

for entry in root:

print(f"{'-' * 4 * level}| {entry.path}, {entry.type}")

if entry.type == "tree":

print_files_from_git(entry, level + 1)

# ![15-test_cloned_repo_object]

# [16-test_cloned_repo_object]

print_files_from_git(tree)

# Output

# | Downloads, tree

# ----| Downloads / file3.txt, blob

# | dir1, tree

# ----| dir1 / file1.txt, blob

# ----| dir1 / file2.txt, blob

# | file4.txt, blob

# # ![16-test_cloned_repo_object]

# Printing text files

# [17-test_cloned_repo_object]

print_file = "dir1/file2.txt"

tree[print_file] # The head commit tree.

# Output <git.Blob "SHA1-HEX-HASH">

# ![17-test_cloned_repo_object]

# Print latest file

# [18-test_cloned_repo_object]

blob = tree[print_file]

print(blob.data_stream.read().decode())

# Output

# File 2 version 1

# Update version 2

# ![18-test_cloned_repo_object]

# Print previous tree

# [18.1-test_cloned_repo_object]

commits_for_file = list(repo.iter_commits(all=True, paths=print_file))

tree = commits_for_file[-1].tree # Gets the first commit tree.

blob = tree[print_file]

print(blob.data_stream.read().decode())

# Output

# File 2 version 1

# ![18.1-test_cloned_repo_object]

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