def from_lines(self, lines, source=None, join=''.join):
'''
Wrap an iterator over lines (strings, by default, but could be a
list of lists for example).
'''
if source is None:
source = sample('lines: ', repr(lines))
return self(LineSource(lines, source, join))
def from_lines(self, lines, source=None, join=''.join):
'''
Wrap an iterator over lines (strings, by default, but could be a
list of lists for example).
'''
if source is None:
source = sample('lines: ', repr(lines))
return self(LineSource(lines, source, join))
def from_items(self, items, source=None, join=list_join,
sub_list=False, line_length=80):
'''
Wrap an iterator over items (or a list).
'''
if source is None:
source = sample('items: ', repr(items))
return self(CharacterSource(items, source, join=join,
line_length=line_length, sub_list=sub_list))
def from_string(self, text, source=None, join=''.join, base=None):
'''
Wrap a string.
'''
if source is None:
source = sample('str: ', repr(text))
if base is None:
base = text
return self(LineSource(StringIO(str(text)), source, join, base=base))
def from_string(self, text, source=None, join=''.join, base=None):
'''
Wrap a string.
'''
if source is None:
source = sample('str: ', repr(text))
if base is None:
base = text
return self(LineSource(StringIO(text), source, join, base=base))
def fmt_stream(self):
'''
Provide a standard fmt for location.
'''
try:
(offset, line_no, char) = s_delta(self.generator.stream)
locn = fmt('{0}/{1}.{2}', offset, line_no, char)
try:
stream = sample('', s_line(self.generator.stream, False)[0], 9)
except StopIteration:
stream = '<EOS>'
return (stream, offset, locn)
except StopIteration:
return ('<EOS>', -1, '')
except TypeError:
return (self.generator.stream, -1, '')
def fmt_stream(self):
'''
Provide a standard fmt for location.
'''
try:
(offset, lineno, char) = s_delta(self.generator.stream)
locn = fmt('{0}/{1}.{2}', offset, lineno, char)
try:
stream = sample('', s_line(self.generator.stream, False)[0], 9)
except StopIteration:
stream = '<EOS>'
return (stream, offset, locn)
except StopIteration:
return ('<EOS>', -1, '')
except TypeError:
return (self.generator.stream, -1, '')
def from_items(self,
items,
source=None,
join=list_join,
sub_list=False,
line_length=80):
'''
Wrap an iterator over items (or a list).
'''
if source is None:
source = sample('items: ', repr(items))
return self(
CharacterSource(items,
source,
join=join,
line_length=line_length,
sub_list=sub_list))
def fmt_stream(self):
'''
Provide a standard format for location.
'''
try:
(lineno, offset, depth, _text, _source) = \
self.generator.stream.location
if not isinstance(lineno, int):
locn = format('{0:<3d}', offset)
elif lineno < 0:
locn = ' eof '
else:
locn = format('{0:3d}.{1:<3d}', lineno, offset)
except AttributeError: # no .location above
depth = -len(self.generator.stream)
locn = '<unknown>'
stream = sample('', str(self.generator.stream), 9)
return (stream, depth, locn)
