def parse(self, encoding=None, errors='strict', **kwargs):
"""Parses a settings file using ElementTree.
@param encoding: encoding used by settings file
@type encoding: string
@param errors: Error handling scheme for codec. Same as C{.decode} inbuilt method.
@type errors: string
@param kwargs: Keyword arguments passed to L{StandardFormat.fields()}
@type kwargs: keyword arguments dictionary
@rtype: ElementTree._ElementInterface
@return: contents of toolbox settings file with a nested structure
"""
builder = ElementTree.TreeBuilder()
for mkr, value in self.fields(encoding=encoding,
errors=errors,
**kwargs):
# Check whether the first char of the field marker
# indicates a block start (+) or end (-)
block = mkr[0]
if block in ("+", "-"):
mkr = mkr[1:]
else:
block = None
# Build tree on the basis of block char
if block == "+":
builder.start(mkr, {})
builder.data(value)
elif block == '-':
builder.end(mkr)
else:
builder.start(mkr, {})
builder.data(value)
builder.end(mkr)
return ElementTree.ElementTree(builder.close())
def __init__(self, builder=None):
if not builder:
builder = ElementTree.TreeBuilder()
self._builder = builder
self.doctype = None
self.publicId = None
self.systemId = None
self.locator = {}
self._lastloc = None
self.data = None
def parseFile(file):
treeBuilder = ElementTree.TreeBuilder(element_factory=SimpleElementTreeVar)
xmlTreeBuilder = ElementTree.XMLTreeBuilder(target=treeBuilder)
if (not hasattr(file, 'read')):
ourFile = open(file)
xmlTreeBuilder.feed(ourFile.read())
ourFile.close()
else:
xmlTreeBuilder.feed(file.read())
return xmlTreeBuilder.close()
def get_field_marker_hierarchy(self):
# Find root field marker
root = None
for fm in self.get_markers():
fmmd = self.get_metadata_by_marker(fm)
if not fmmd.get_parent_marker():
root = fm
# Build tree for field markers
builder = ElementTree.TreeBuilder()
builder.start(root, {})
self.build_tree(root, builder)
builder.end(root)
return ElementTree.ElementTree(builder.close())
