hgext/infinitepush/common.py

py3: remove retry on EINTR errno

Since the implementation of PEP 475 (Python 3.5), Python retries system calls
failing with EINTR. Therefore we don’t need the logic that retries it in Python
code.

# Copyright 2017 Facebook, Inc.
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.


import os

from mercurial.node import hex

from mercurial import (
    error,
    extensions,
    pycompat,
)


def isremotebooksenabled(ui):
    return b'remotenames' in extensions._extensions and ui.configbool(
        b'remotenames', b'bookmarks'
    )


def downloadbundle(repo, unknownbinhead):
    index = repo.bundlestore.index
    store = repo.bundlestore.store
    bundleid = index.getbundle(hex(unknownbinhead))
    if bundleid is None:
        raise error.Abort(b'%s head is not known' % hex(unknownbinhead))
    bundleraw = store.read(bundleid)
    return _makebundlefromraw(bundleraw)


def _makebundlefromraw(data):
    fp = None
    fd, bundlefile = pycompat.mkstemp()
    try:  # guards bundlefile
        try:  # guards fp
            fp = os.fdopen(fd, 'wb')
            fp.write(data)
        finally:
            fp.close()
    except Exception:
        try:
            os.unlink(bundlefile)
        except Exception:
            # we would rather see the original exception
            pass
        raise

    return bundlefile