def check_path_collision(package, pkgList):
"""This function will check for collision of paths in a package with
the paths of packages in pkgList. The return value will be the
list containing the paths that collide."""
create_static = ctx.get_option("create_static")
create_debug = ctx.config.values.build.generatedebug
ar_suffix = ctx.const.ar_file_suffix
debug_suffix = ctx.const.debug_file_suffix
collisions = []
for pinfo in package.files:
for pkg in pkgList:
if pkg is package:
continue
for path in pkg.files:
# if pinfo.path is a subpath of path.path like
# the example below. path.path is marked as a
# collide. Exp:
# pinfo.path: /usr/share
# path.path: /usr/share/doc
if (create_static and path.path.endswith(ar_suffix)) or (
create_debug and path.path.endswith(debug_suffix)
):
# don't throw collision error for these files.
# we'll handle this in gen_files_xml..
continue
if util.subpath(pinfo.path, path.path):
collisions.append(path.path.rstrip("/"))
ctx.ui.debug(_("Path %s belongs in multiple packages") % path.path)
return collisions
def unpack_file_cond(self, pred, target_dir, archive_root=''):
"""Unpack/Extract files according to predicate function
pred: filename -> bool
unpacks stuff into target_dir and only extracts files
from archive_root, treating it as the archive root"""
zip_obj = self.zip_obj
for info in zip_obj.infolist():
if pred(info.filename): # check if condition holds
# below code removes that, so we find it here
is_dir = info.filename.endswith('/')
# calculate output file name
if archive_root == '':
outpath = info.filename
else:
# change archive_root
if util.subpath(archive_root, info.filename):
outpath = util.removepathprefix(archive_root,
info.filename)
else:
continue # don't extract if not under
ofile = os.path.join(target_dir, outpath)
if is_dir: # this is a directory
if not os.path.isdir(ofile):
os.makedirs(ofile)
perm = info.external_attr
perm &= 0xFFFF0000
perm >>= 16
perm |= 0x00000100
os.chmod(ofile, perm)
continue
# check that output dir is present
util.ensure_dirs(os.path.dirname(ofile))
# remove output file we might be overwriting.
# (also check for islink? for broken symlinks...)
if os.path.isfile(ofile) or os.path.islink(ofile):
os.remove(ofile)
if info.external_attr == self.symmagic:
if os.path.isdir(ofile):
# A rare case, the file used to be a dir,
# now it is a symlink!
shutil.rmtree(ofile)
target = zip_obj.read(info.filename)
os.symlink(target, ofile)
else:
perm = info.external_attr
perm &= 0x08FF0000
perm >>= 16
perm |= 0x00000100
info.filename = outpath
zip_obj.extract(info, target_dir)
os.chmod(ofile, perm)
def unpack_dir_flat(self, path, target_dir):
self.unpack_file_cond(lambda f: util.subpath(path, f),
target_dir, path)
