Fastbook_Julia/tools/clean.py
Jeremy Howard cf9fae191c clean
2020-11-29 10:40:59 -08:00

42 lines
1.4 KiB
Python
Executable File

#!/usr/bin/env python
import nbformat
from nbdev.export import *
from nbdev.clean import *
from fastcore.all import *
_re_header = re.compile(r'^#+\s+\S+')
_re_clean = re.compile(r'^\s*#\s*clean\s*')
def is_header_cell(cell): return _re_header.search(cell['source']) is not None
def is_clean_cell(cell): return _re_clean.search(cell['source']) is not None
_re_questionnaire = re.compile(r'^#+\s+Questionnaire')
def get_stop_idx(cells):
i = 0
while i < len(cells) and _re_questionnaire.search(cells[i]['source']) is None: i+=1
return i
def clean_tags(cell):
if is_header_cell(cell): return cell
for attr in ["id", "caption", "alt", "width", "hide_input", "hide_output", "clean"]:
cell["source"] = re.sub(r'#\s*' + attr + r'.*?($|\n)', '', cell["source"])
return cell
def proc_nb(fname, dest):
nb = read_nb(fname)
i = get_stop_idx(nb['cells'])
nb['cells'] = [clean_tags(c) for j,c in enumerate(nb['cells']) if
c['cell_type']=='code' or is_header_cell(c) or is_clean_cell(c) or j >= i]
clean_nb(nb, clear_all=True)
with open(dest/fname.name, 'w') as f: nbformat.write(nb, f, version=4)
def proc_all(path='.', dest_path='clean'):
path,dest_path = Path(path),Path(dest_path)
fns = [f for f in path.iterdir() if f.suffix == '.ipynb' and not f.name.startswith('_')]
for fn in fns: proc_nb(fn, dest=dest_path)
if __name__=='__main__': proc_all()