本文整理汇总了Python中pip.vcs.vcs.get_backend_name方法的典型用法代码示例。如果您正苦于以下问题：Python vcs.get_backend_name方法的具体用法？Python vcs.get_backend_name怎么用？Python vcs.get_backend_name使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pip.vcs.vcs的用法示例。
在下文中一共展示了vcs.get_backend_name方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: from_dist
# 需要导入模块: from pip.vcs import vcs [as 别名]
# 或者: from pip.vcs.vcs import get_backend_name [as 别名]
def from_dist(cls, dist, dependency_links, find_tags=False):
location = os.path.normcase(os.path.abspath(dist.location))
comments = []
from pip.vcs import vcs, get_src_requirement
if vcs.get_backend_name(location):
editable = True
try:
req = get_src_requirement(dist, location, find_tags)
except InstallationError:
ex = sys.exc_info()[1]
logger.warn("Error when trying to get requirement for VCS system %s, falling back to uneditable format" % ex)
req = None
if req is None:
logger.warn('Could not determine repository location of %s' % location)
comments.append('## !! Could not determine repository location')
req = dist.as_requirement()
editable = False
else:
editable = False
req = dist.as_requirement()
specs = req.specs
assert len(specs) == 1 and specs[0][0] == '=='
version = specs[0][1]
ver_match = cls._rev_re.search(version)
date_match = cls._date_re.search(version)
if ver_match or date_match:
svn_backend = vcs.get_backend('svn')
if svn_backend:
svn_location = svn_backend(
).get_location(dist, dependency_links)
if not svn_location:
logger.warn(
'Warning: cannot find svn location for %s' % req)
comments.append('## FIXME: could not find svn URL in dependency_links for this package:')
else:
comments.append('# Installing as editable to satisfy requirement %s:' % req)
if ver_match:
rev = ver_match.group(1)
else:
rev = '{%s}' % date_match.group(1)
editable = True
req = '%s@%s#egg=%s' % (svn_location, rev, cls.egg_name(dist))
return cls(dist.project_name, req, editable, comments)