"""Read and write notebooks as regular .py files."""
from .rwbase import NotebookReader, NotebookWriter
from .nbbase import new_code_cell, new_worksheet, new_notebook
class PyReader(NotebookReader):
def reads(self, s, **kwargs):
return self.to_notebook(s,**kwargs)
def to_notebook(self, s, **kwargs):
lines = s.splitlines()
cells = []
cell_lines = []
for line in lines:
if line.startswith(u'# '):
cell_lines = []
if line.startswith(u'# '):
code = u'\n'.join(cell_lines)
code = code.strip(u'\n')
if code:
cells.append(new_code_cell(input=code))
else:
cell_lines.append(line)
ws = new_worksheet(cells=cells)
nb = new_notebook(worksheets=[ws])
return nb
class PyWriter(NotebookWriter):
def writes(self, nb, **kwargs):
lines = []
lines.extend(['# 2',''])
for ws in nb.worksheets:
for cell in ws.cells:
if cell.cell_type == 'code':
input = cell.get('input')
if input is not None:
lines.extend([u'# ',u''])
lines.extend(input.splitlines())
lines.extend([u'',u'# '])
lines.append('')
return unicode('\n'.join(lines))
_reader = PyReader()
_writer = PyWriter()
reads = _reader.reads
read = _reader.read
to_notebook = _reader.to_notebook
write = _writer.write
writes = _writer.writes