def getTreeView(nestedList, level=0, levelPadding=''):
"""
Returns a string representation of the given (optionally nested)
list.
The parameters 'level' and 'levelPadding' are only internally used
for recursion and should not be set by the user.
"""
Any.requireIsList(nestedList)
result = ''
if level > 20: # loop guard
raise ValueError
for i, entry in enumerate(nestedList):
if Any.isText(entry):
entryPadding = levelPadding + '%c---' % _getTreeChar(nestedList, i)
result += "%s%s\n" % (entryPadding, entry)
elif Any.isList(entry):
entryPadding = levelPadding + '%c ' % _getTreeChar(nestedList, i)
result += getTreeView(entry, level + 1, entryPadding)
else:
raise TypeError
return result
def formatValue(self, value):
if Any.isTuple( value ) or Any.isList( value ) or \
Any.isDict( value ):
return self.formatIterable(value)
else:
return repr(value)
def formatIterable(self, value):
Any.requireMsg(
Any.isList(value) or Any.isTuple(value) or Any.isDict(value),
'unexpected datatype, value: %s' % str(value))
# use pprint module for formatting, however we do some further rework
# on its output to achieve desired result
self._pprintOut.seek(0)
self._pprintOut.truncate()
self._pprinter.pprint(value)
tmp = self._pprintOut.getvalue().strip()
firstChar = tmp[0]
lastChar = tmp[-1]
centerPart = tmp[1:-1].strip()
if not value:
result = '%s%s' % (firstChar, lastChar)
else:
result = '%s %s %s' % (firstChar, centerPart, lastChar)
result = result.replace('\n', '\n' + self._indentationIter * ' ')
return result
