from git import Git
g = Git()

g.checkout("mybranch")

g.branch()

from git import Repo
r = Repo(your_repo_path)
repo_heads = r.heads # or it's alias: r.branches

repo_heads_names = [h.name for h in repo_heads]

repo_heads['master'].checkout()
# you can get elements of IterableList through it_list['branch_name']
# or it_list.branch_name

import git

repo = git.Repo(repo_path)
branches = []
for r in repo.branches:
    branches.append(r)
    # check if a tracking branch exists
    tb = t.tracking_branch()
    if tb:
        branches.append(tb)

def get_all_branches(path):
    cmd = ['git', '-C', path, 'branch', '-a']
    out = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
    return out

import os, git

# Create repo for current directory
repo = git.Repo(os.getcwd())

# Run "git branch -r" and collect results into array
remote_branches = []
for ref in repo.git.branch('-r').split('n'):
    print ref
    remote_branches.append(ref)