def _create_spouse_link(lnk, tgt, mklnk, absLink):
lnk_suffix = getLinkSuffix(mklnk)
lnk += lnk_suffix
if not absLink:
tgt = os.path.relpath(tgt, os.path.dirname(lnk))
mklnk(tgt, lnk)
def __init__(self, treeRoot, linkMaker=makelink_url, absLinks=False):
self.treeRoot = treeRoot
self.mklnk = linkMaker
self.absLinks = absLinks
if self.mklnk is makelink_url:
absLinks = True
self.lnk_suffix = getLinkSuffix(self.mklnk)
def makelink_withbck(newTgt, oldLnk, mklnk_fn, newLnkSuffix=None, dryrun=False):
if newLnkSuffix is None:
newLnkSuffix = getLinkSuffix(mklnk_fn)
root, oldLink_bn = os.path.split(oldLnk)
oldLink_bck = os.path.join(root, BCKf+oldLink_bn)
oldLink_bn_extless = stripKnownSuffixes(oldLink_bn, SUFFIXES)
# The new link is created as a temporary first
newLink_tmp = os.path.join(root, TMPf+oldLink_bn_extless+newLnkSuffix)
# and this is what the temp link will be moved to eventually
newLink = os.path.join(root, oldLink_bn_extless+newLnkSuffix)
if dryrun:
print("mklnk(%s,\n" \
" %s)" % (newTgt, newLink_tmp))
if os.path.exists(oldLnk):
print("rename(%s,\n" \
" %s)" % (oldLnk, oldLink_bck))
print("rename(%s,\n" \
" %s)" % (newLink_tmp, newLink))
else:
# We do try/excepts here rather than os.path.exists() this
# is because linux symlinks that point to non-existent targets
# return os.path.exists() -> False.
# Try to create the new link as a temporary first. If this fails
# then the old link will be preserved as is
try:
os.remove(newLink_tmp)
except:
pass
mklnk_fn(newTgt, newLink_tmp)
# Backup the current link
try:
os.remove(oldLink_bck)
except:
pass
try:
os.rename(oldLnk, oldLink_bck)
except:
pass
# Now rename the tmp link to be our new link
os.rename(newLink_tmp, newLink)
#os.remove(bckLnk)
print("%s -> %s" % (newLink, newTgt))
def __init__(self, dryrun, rootPath, oldRootNode, link_type, absLinks):
self.dryrun = dryrun
self.rootPath = os.path.abspath(rootPath)
self.oldRootNode = oldRootNode
self.mklnk = getLinkMaker(link_type)
self.newLnkSuffix = getLinkSuffix(self.mklnk)
self.absLinks = absLinks
if (self.mklnk is not os.symlink) and (not self.absLinks):
print("Forcing absolute links")
self.absLinks = True
def create_marriage_link(tgt, lnk):
if ml_link_is_url:
mklnk = makelink_url
else:
tgt = os.path.relpath(tgt, os.path.dirname(lnk))
mklnk = os.symlink
suffix = getLinkSuffix(mklnk)
lnk += suffix
mklnk(tgt, lnk)