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"""utilities for checking submodule status"""
#-----------------------------------------------------------------------------
# Copyright (C) 2013 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
import os
import subprocess
import sys
#-----------------------------------------------------------------------------
# Globals
#-----------------------------------------------------------------------------
pjoin = os.path.join
#-----------------------------------------------------------------------------
# Code
#-----------------------------------------------------------------------------
def ipython_parent():
"""return IPython's parent (i.e. root if run from git)"""
from IPython.utils.path import get_ipython_package_dir
return os.path.abspath(os.path.dirname(get_ipython_package_dir()))
def ipython_submodules(root):
"""return IPython submodules relative to root"""
return [
pjoin(root, 'IPython', 'html', 'static', 'components'),
]
def is_repo(d):
"""is d a git repo?"""
return os.path.exists(pjoin(d, '.git'))
def check_submodule_status(root=None):
"""check submodule status
Has three return values:
'missing' - submodules are absent
'unclean' - submodules have unstaged changes
'clean' - all submodules are up to date
"""
if hasattr(sys, "frozen"):
# frozen via py2exe or similar, don't bother
return 'clean'
if not root:
root = ipython_parent()
if not is_repo(root):
# not in git, assume clean
return 'clean'
submodules = ipython_submodules(root)
for submodule in submodules:
if not os.path.exists(submodule):
return 'missing'
# Popen can't handle unicode cwd on Windows Python 2
if sys.platform == 'win32' and sys.version_info[0] < 3 \
and not isinstance(root, bytes):
root = root.encode(sys.getfilesystemencoding() or 'ascii')
# check with git submodule status
proc = subprocess.Popen('git submodule status',
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
shell=True,
cwd=root,
)
status, _ = proc.communicate()
status = status.decode("ascii", "replace")
for line in status.splitlines():
if line.startswith('-'):
return 'missing'
elif line.startswith('+'):
return 'unclean'
return 'clean'
def update_submodules(repo_dir):
"""update submodules in a repo"""
subprocess.check_call("git submodule init", cwd=repo_dir, shell=True)
subprocess.check_call("git submodule update --recursive", cwd=repo_dir, shell=True)
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