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import os
import logging
import urlparse
import itertools
from nbblib import package
from nbblib import progutils
from nbblib import plugins
class AbstractConfig(object):
"""Return static config until we implement real config reading"""
def __init__(self, srcdir, nick):
super(AbstractConfig, self).__init__()
self._srcdir = srcdir
self._nick = nick
def get_srcdir(self):
return os.path.join(self._srcdir)
srcdir = property(get_srcdir)
def get_builddir(self):
return os.path.join(self._srcdir, "_build", self._nick)
builddir = property(get_builddir)
def get_installdir(self):
return os.path.join(self._srcdir, "_install", self._nick)
installdir = property(get_installdir)
########################################################################
# VCS Source Tree plugin system
########################################################################
class NotAVCSourceTree(plugins.PluginNoMatch):
def __init__(self, srcdir):
super(NotAVCSourceTree, self).__init__()
self.srcdir = srcdir
def __str__(self):
return "Unknown VCS source tree type: %s" % repr(self.srcdir)
class AmbigousVCSDetection(plugins.AmbigousPluginDetection):
def __init__(self, matches, cls, context, srcdir):
super(AmbigousVCSDetection, self).__init__(matches, cls, context)
self.srcdir = srcdir
def __str__(self):
# We possibly need to re-add m.tree_root here again soon
alist = itertools.chain([('VCS type', 'Branch name', )],
(((name, m.branch_name, )
for name, m in self.matches.iteritems())))
table = "\n".join([" %-9s %s" % a for a in alist])
return "Ambigous VCS types detected for %s:\n%s" % (repr(self.srcdir), table)
class VCSourceTree(plugins.GenericDetectPlugin):
"""
Mount point for plugins which refer to actions that can be performed.
Plugins implementing this reference must provide the following
interface:
name attribute
The text to be displayed, describing the version control system
__init__
Must "raise self.no_match_exception()" if it does not match.
and the other abstract methods below
"""
__metaclass__ = plugins.GenericPluginMeta
no_match_exception = NotAVCSourceTree
ambigous_match_exception = AmbigousVCSDetection
@classmethod
def validate(cls, obj, srcdir):
logging.debug("cls %s", cls)
logging.debug("obj %s", obj)
logging.debug("srcdir %s", srcdir)
return obj.tree_root == srcdir
def get_config(self):
"""Get configuration object which determines builddir etc"""
return AbstractConfig(self.tree_root, self.branch_name)
config = property(get_config)
@plugins.abstractmethod
def _get_tree_root(self):
"""Get absolute path to source tree root"""
pass
def get_tree_root(self):
return self._get_tree_root()
tree_root = property(get_tree_root)
@plugins.abstractmethod
def _get_branch_name(self):
"""Return name identifying the branch"""
pass
def get_branch_name(self):
"""Return name identifying the branch"""
return self._get_branch_name()
branch_name = property(get_branch_name)
def __str__(self):
return repr(self)
def __repr__(self):
return "<%s(%s, %s)>" % (self.__class__.__name__,
repr(self.tree_root),
repr(self.branch_name))
########################################################################
# VCS Source Tree plugins
########################################################################
class GitSourceTree(VCSourceTree):
name = 'git'
def __init__(self, context, srcdir):
super(GitSourceTree, self).__init__(context)
os.chdir(srcdir)
if "true" != progutils.prog_stdout(["git", "rev-parse",
"--is-inside-work-tree"]):
raise self.no_match_exception(srcdir)
reldir = progutils.prog_stdout(["git", "rev-parse", "--show-cdup"])
if reldir:
os.chdir(reldir)
self.__tree_root = os.getcwd()
def get_config(self):
return GitConfig(self.tree_root, self.branch_name)
config = property(get_config)
def _get_tree_root(self):
return self.__tree_root
def _get_branch_name(self):
bname = progutils.prog_stdout(["git", "symbolic-ref", "HEAD"])
refs,heads,branch = bname.split('/')
assert(refs=='refs' and heads=='heads')
return branch
class GitConfig(AbstractConfig):
"""git config interface"""
def __init__(self, *args, **kwargs):
super(GitConfig, self).__init__(*args, **kwargs)
def _itemname(self, item): return '.'.join((package.GIT_CONFIG_PREFIX, item, ))
def _myreldir(self, rdir):
return os.path.join(self._srcdir, rdir, self._nick)
def get_builddir(self):
ret, stdout, stderr = progutils.prog_retstd(['git', 'config', self._itemname('builddir')])
assert(stderr == "")
if ret == 0 and stdout:
return self._myreldir(stdout)
else:
return super(GitConfig, self).get_builddir()
def set_builddir(self, value):
ret, stdout, stderr = progutils.prog_retstd(['git', 'config', self._itemname('builddir'), value])
assert(ret == 0 and stdout == "" and stderr == "")
builddir = property(get_builddir, set_builddir)
def get_installdir(self):
ret, stdout, stderr = progutils.prog_retstd(['git', 'config', self._itemname('installdir')])
assert(stderr == "")
if ret == 0 and stdout:
return self._myreldir(stdout)
else:
return super(GitConfig, self).get_installdir()
def set_installdir(self, value):
ret, stdout, stderr = progutils.prog_retstd(['git', 'config', self._itemname('installdir'), value])
assert(ret == 0 and stdout == "" and stderr == "")
installdir = property(get_installdir, set_installdir)
class BzrSourceTree(VCSourceTree):
name = 'bzr'
def __init__(self, context, srcdir):
super(BzrSourceTree, self).__init__(context)
try:
import bzrlib.workingtree
wt,b = bzrlib.workingtree.WorkingTree.open_containing(srcdir)
except bzrlib.errors.NotBranchError:
raise self.no_match_exception(srcdir)
except ImportError:
raise self.no_match_exception(srcdir)
self.wt = wt
#print "wt:", wt
#print "wt:", dir(wt)
#print "wt.branch:", wt.branch
#print "wt.branch:", dir(wt.branch)
#print "wt.branch.nick:", wt.branch.nick
#print "wt.branch.abspath:", wt.branch.abspath
#print "wt.branch.base:", wt.branch.base
#print "wt.branch.basis_tree:", wt.branch.basis_tree()
def _get_tree_root(self):
proto,host,path,some,thing = urlparse.urlsplit(self.wt.branch.base)
assert(proto == "file" and host == "")
assert(some == "" and thing == "")
return os.path.abspath(path)
def _get_branch_name(self):
return self.wt.branch.nick
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