def _warn_if_invalid(nb, version):
"""Log validation errors, if there are any."""
from IPython.nbformat import validate, ValidationError
try:
validate(nb, version=version)
except ValidationError as e:
get_logger().error("Notebook JSON is not valid v%i: %s", version, e)
def _warn_if_invalid(nb, version):
"""Log validation errors, if there are any."""
from IPython.nbformat import validate, ValidationError
try:
validate(nb, version=version)
except ValidationError as e:
get_logger().error("Notebook JSON is not valid v%i: %s", version, e)
def convert_to_v4(path):
nb = read(path, 3)
nb_new = convert(nb, 4)
nb_new["metadata"] = {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.4.2"
}
}
validate(nb_new)
write(nb_new, path)
def validate_notebook_at(path):
nb = open_nb(path)
(version, version_minor) = get_version(nb)
try:
validate(nb, version=version, version_minor=version_minor)
except ValidationError as e:
return e
def convert_to_v4(path):
nb = read(path, 3)
nb_new = convert(nb, 4)
nb_new["metadata"] ={
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.4.2"
}
}
validate(nb_new)
write(nb_new, path)
def validate_notebook_model(self, model):
"""Add failed-validation message to model"""
try:
validate(model['content'])
except ValidationError as e:
model['message'] = u'Notebook Validation failed: {}:\n{}'.format(
e.message, json.dumps(e.instance, indent=1, default=lambda obj: '<UNKNOWN>'),
)
return model
def validate_notebook_model(self, model):
"""Add failed-validation message to model"""
try:
validate(model["content"])
except ValidationError as e:
model["message"] = u"Notebook Validation failed: {}:\n{}".format(
e.message, json.dumps(e.instance, indent=1, default=lambda obj: "<UNKNOWN>")
)
return model
def main(paths):
failed = False
for path in paths:
with io.open(path, 'r', encoding='utf-8') as f:
nb = nbformat.read(f, 4)
try:
nbformat.validate(nb)
except ValidationError as e:
print(path, 'failed')
print(e)
else:
print(path)
with io.open(path, 'w', encoding='utf-8') as f:
nbformat.write(nb, f)
def test_compress(tmpdir, notebooks):
"It should compress a notebook."
for notebook in notebooks:
outfile = tmpdir.join('out.ipynb')
saved = compress(notebook.strpath, outfile.strpath, 800, 'jpeg')
# it should not gain in size
assert saved > 0
# output file should exists
assert outfile.check()
validate(read(outfile.strpath, NO_CONVERT))
outfile.remove()
def test_downgrade_3(self):
exporter = self.exporter_class(nbformat_version=3)
(output, resources) = exporter.from_filename(self._get_notebook())
nb = json.loads(output)
validate(nb)
def test_downgrade_3(self):
exporter = self.exporter_class(nbformat_version=3)
(output, resources) = exporter.from_filename(self._get_notebook())
nb = json.loads(output)
validate(nb)
def test_downgrade_notebook():
nb04 = copy.deepcopy(nbexamples.nb0)
validate(nb04)
nb03 = convert.downgrade(nb04)
validate(nb03)
def test_upgrade_notebook():
nb03 = copy.deepcopy(v3examples.nb0)
validate(nb03)
nb04 = convert.upgrade(nb03)
validate(nb04)
def test_downgrade_notebook():
nb04 = copy.deepcopy(nbexamples.nb0)
validate(nb04)
nb03 = convert.downgrade(nb04)
validate(nb03)
def test_upgrade_notebook():
nb03 = copy.deepcopy(v3examples.nb0)
validate(nb03)
nb04 = convert.upgrade(nb03)
validate(nb04)