ClassesDefXmlUtils.XmlParser Class Reference

Inheritance diagram for ClassesDefXmlUtils.XmlParser:

Public Member Functions
def	__init__ (self, filename, includeNonVersionedClasses=False, normalizeClassNames=True)
def	end_element (self, name)
def	genNName (self, name)
def	readClassesDefXML (self)
def	start_element (self, name, attrs)

Public Attributes
	classes

Static Public Attributes
	classVersionIndex
	originalNameIndex
	versionsToChecksumIndex

Private Attributes
	_file
	_includeNonVersionedClasses
	_normalizeClassNames
	_presentClass
	_presentClassForVersion

Detailed Description

Parses a classes_def.xml file looking for class declarations that contain
ClassVersion attributes. Once found looks for sub-elements named 'version'
which contain the ClassVersion to checksum mappings.

Definition at line 1 of file ClassesDefXmlUtils.py.

Constructor & Destructor Documentation

__init__()

def ClassesDefXmlUtils.XmlParser.__init__	(		self,
			filename,
			includeNonVersionedClasses = False,
			normalizeClassNames = True
	)

Definition at line 13 of file ClassesDefXmlUtils.py.

    def __init__(self, filename, includeNonVersionedClasses=False, normalizeClassNames=True):
        self._file = filename
        self.classes = dict()
        self._presentClass = None
        self._presentClassForVersion = None
        self._includeNonVersionedClasses = includeNonVersionedClasses
        self._normalizeClassNames = normalizeClassNames
        self.readClassesDefXML()

Member Function Documentation

end_element()

def ClassesDefXmlUtils.XmlParser.end_element	(		self,
			name
	)

Definition at line 70 of file ClassesDefXmlUtils.py.

References ClassesDefXmlUtils.XmlParser._presentClass, and ClassesDefXmlUtils.XmlParser._presentClassForVersion.

Referenced by ClassesDefXmlUtils.XmlParser.readClassesDefXML().

    def end_element(self,name):
        if name in ('class','struct'):
            self._presentClass = None
            self._presentClassForVersion = None

genNName()

def ClassesDefXmlUtils.XmlParser.genNName	(		self,
			name
	)

Definition at line 74 of file ClassesDefXmlUtils.py.

References ClassesDefXmlUtils.XmlParser._normalizeClassNames, and join().

Referenced by ClassesDefXmlUtils.XmlParser.start_element().

    def genNName(self, name ):
        if not self._normalizeClassNames:
            return name
        n_name = " ".join(name.split())
        for e in [ ['long long unsigned int', 'unsigned long long'],
                   ['long long int',          'long long'],
                   ['unsigned short int',     'unsigned short'],
                   ['short unsigned int',     'unsigned short'],
                   ['short int',              'short'],
                   ['long unsigned int',      'unsigned long'],
                   ['unsigned long int',      'unsigned long'],
                   ['long int',               'long'],
                   ['std::string',            'std::basic_string<char>']] :
            n_name = n_name.replace(e[0],e[1])
        n_name = n_name.replace(' ','')
        return n_name

readClassesDefXML()

def ClassesDefXmlUtils.XmlParser.readClassesDefXML

(

self

)

Definition at line 21 of file ClassesDefXmlUtils.py.

References ClassesDefXmlUtils.XmlParser._file, CommonAnalyzer._file, condhdf5tohdf5.H5Tag._file, condhdf5tohdf5.H5GlobalTag._file, dqm-mbProfile.Profile._file, ClassesDefXmlUtils.XmlParser.end_element(), and ClassesDefXmlUtils.XmlParser.start_element().

    def readClassesDefXML(self):
        import xml.parsers.expat
        p = xml.parsers.expat.ParserCreate()
        p.StartElementHandler = self.start_element
        p.EndElementHandler = self.end_element
        f = open(self._file)
        # Replace any occurence of <>& in the attribute values by the xml parameter
        rxml, nxml = f.read(), ''
        q1,q2 = 0,0
        for c in rxml :
            if   (q1 or q2) and c == '<' : nxml += '&lt;'
            elif (q1 or q2) and c == '>' : nxml += '&gt;'
            # elif (q1 or q2) and c == '&' : nxml += '&amp;'
            else                         : nxml += c
            if c == '"' : q1 = not q1
            if c == "'" : q2 = not q2
        try : p.Parse(nxml)
        except xml.parsers.expat.ExpatError as e :
            print ('--->> edmCheckClassVersion: ERROR: parsing selection file ',self._file)
            print ('--->> edmCheckClassVersion: ERROR: Error is:', e)
            raise
        f.close()

start_element()

def ClassesDefXmlUtils.XmlParser.start_element	(		self,
			name,
			attrs
	)

Definition at line 43 of file ClassesDefXmlUtils.py.

References ClassesDefXmlUtils.XmlParser._includeNonVersionedClasses, ClassesDefXmlUtils.XmlParser._presentClass, ClassesDefXmlUtils.XmlParser._presentClassForVersion, mps_setup.append, ClassesDefXmlUtils.XmlParser.classes, MainPageGenerator.MainPageGenerator.classes, condformats_serialization_generate.SerializationCodeGenerator.classes, ClassesDefXmlUtils.XmlParser.genNName(), and createfilelist.int.

Referenced by ClassesDefXmlUtils.XmlParser.readClassesDefXML().

    def start_element(self,name,attrs):
        if name in ('class','struct'):
            if 'name' in attrs:
                self._presentClass=attrs['name']
                normalizedName = self.genNName(attrs['name'])
                if 'ClassVersion' in attrs:
                    self.classes[normalizedName]=[attrs['name'],int(attrs['ClassVersion']),[]]
                    self._presentClassForVersion=normalizedName
                elif self._includeNonVersionedClasses:
                    # skip transient data products
                    if not ('persistent' in attrs and attrs['persistent'] == "false"):
                        self.classes[normalizedName]=[attrs['name'],-1,[]]
            else:
                raise RuntimeError(f"There is an element '{name}' without 'name' attribute.")
        if name == 'version':
            if self._presentClassForVersion is None:
                raise RuntimeError(f"Class element for type '{self._presentClass}' contains a 'version' element, but 'ClassVersion' attribute is missing from the 'class' element")
            try:
                classVersion = int(attrs['ClassVersion'])
            except KeyError:
                raise RuntimeError(f"Version element for type '{self._presentClass}' is missing 'ClassVersion' attribute")
            try:
                checksum = int(attrs['checksum'])
            except KeyError:
                raise RuntimeError(f"Version element for type '{self._presentClass}' is missing 'checksum' attribute")
            self.classes[self._presentClassForVersion][XmlParser.versionsToChecksumIndex].append([classVersion, checksum])
        pass

Member Data Documentation

_file

ClassesDefXmlUtils.XmlParser._file

private

Definition at line 14 of file ClassesDefXmlUtils.py.

Referenced by ntupleDataFormat.TrackingNtuple.file(), ClassesDefXmlUtils.XmlParser.readClassesDefXML(), and output.OutputTree.write().

_includeNonVersionedClasses

ClassesDefXmlUtils.XmlParser._includeNonVersionedClasses

private

Definition at line 18 of file ClassesDefXmlUtils.py.

Referenced by ClassesDefXmlUtils.XmlParser.start_element().

_normalizeClassNames

ClassesDefXmlUtils.XmlParser._normalizeClassNames

private

Definition at line 19 of file ClassesDefXmlUtils.py.

Referenced by ClassesDefXmlUtils.XmlParser.genNName().

_presentClass

ClassesDefXmlUtils.XmlParser._presentClass

private

Definition at line 16 of file ClassesDefXmlUtils.py.

Referenced by ClassesDefXmlUtils.XmlParser.end_element(), and ClassesDefXmlUtils.XmlParser.start_element().

_presentClassForVersion

ClassesDefXmlUtils.XmlParser._presentClassForVersion

private

Definition at line 17 of file ClassesDefXmlUtils.py.

Referenced by ClassesDefXmlUtils.XmlParser.end_element(), and ClassesDefXmlUtils.XmlParser.start_element().

classes

ClassesDefXmlUtils.XmlParser.classes

Definition at line 15 of file ClassesDefXmlUtils.py.

Referenced by ClassesDefXmlUtils.XmlParser.start_element().

classVersionIndex

ClassesDefXmlUtils.XmlParser.classVersionIndex

static

Definition at line 10 of file ClassesDefXmlUtils.py.

originalNameIndex

ClassesDefXmlUtils.XmlParser.originalNameIndex

static

Definition at line 9 of file ClassesDefXmlUtils.py.

versionsToChecksumIndex

ClassesDefXmlUtils.XmlParser.versionsToChecksumIndex

static

Definition at line 11 of file ClassesDefXmlUtils.py.