def expand_ssh_host_alias(url, config=None):
"""Return ``url`` with the real host name if it has an SSH alias."""
config = config or _get_ssh_config()
if config:
DUMMY_SCHEME = "opbeat-dummy://"
parts = urlsplit(url)
if not parts.scheme:
# If scheme is not present in the URL, the whole URL
# gets interpretted as path, and we don't like that.
parts = urlsplit(DUMMY_SCHEME + url)
host_alias = parts.netloc.split("@")[-1].split(":")[0]
host_expanded = config.lookup(host_alias).get("hostname")
if host_expanded:
netloc = parts.netloc.replace(host_alias, host_expanded, 1)
parts = list(parts) # [scheme, netloc, path, query, fragment]
parts[1] = netloc
url = urlunsplit(parts)
if url.startswith(DUMMY_SCHEME):
url = url[len(DUMMY_SCHEME) :]
return url
def parse_editable(uri):
"""
<remote_url>@<rev>#egg=<name>
See `pip.vcs.<backend>.<Backend>.get_src_requirement()`.
"""
bits = urlsplit(uri)
remove_scheme = False
if not bits.scheme:
# [email protected]:opbeat/opbeatcli.git@a2794#egg=opbeatcli-dev
assert uri.startswith('git+')
uri = 'git://' + uri[4:]
bits = urlsplit(uri)
remove_scheme = True
remote_url = uri.rsplit('@', 1)[0]
if '+' in bits.scheme:
vcs_type, remote_url = remote_url.split('+', 1)
else:
assert bits.scheme == 'git', bits.scheme
vcs_type = 'git'
if '#' in bits.path:
# Python 2.6 sometimes fails to parse fragment.
# /ipython/ipython.git@rev#egg=ipython-dev
rev, name = bits.path.split('@')[1].split('#egg=')
else:
name = bits.fragment.split('=', 1)[1]
rev = bits.path.split('@')[1]
if remove_scheme:
remote_url = remote_url[len(bits.scheme) + 3:]
version = None
if vcs_type in ['git', 'hg', 'bzr']:
# There is no version as such, but each of the VCS backends appends
# some VCS info to the name (or just '-dev'). SVN is tricky, so we
# don't parse the name there.
name, version = name.rsplit('-', 1)
parsed = {
'name': name,
'version': version,
'vcs': {
'vcs_type': VCS_NAME_MAP[vcs_type],
'rev': rev,
'remote_url': remote_url,
}
}
assert all([parsed['name'],
parsed['vcs']['rev'],
parsed['vcs']['vcs_type'],
parsed['vcs']['remote_url']]), parsed
return parsed
