def write_notebook(self, include_html=True):
suffix = "_responses_with_names" if self.include_usernames else "_responses"
nb_name = self.nb_name_stem + suffix
output_file = os.path.join(PROCESSED_NOTEBOOK_DIR, nb_name + '.ipynb')
html_output = os.path.join(PROCESSED_NOTEBOOK_DIR, nb_name + '.html')
remove_duplicate_answers = not self.include_usernames
filtered_cells = []
for prompt in self.question_prompts:
filtered_cells += prompt.cells
answers = prompt.answers_without_duplicates if remove_duplicate_answers else prompt.answers
for gh_username, response_cells in answers.items():
if self.include_usernames:
filtered_cells.append(
NotebookUtils.markdown_heading_cell(self.gh_username_to_fullname(gh_username), 4))
filtered_cells.extend(response_cells)
answer_book = deepcopy(self.template)
answer_book['cells'] = filtered_cells
nb = nbformat.from_dict(answer_book)
print "Writing", output_file
with io.open(output_file, 'wt') as fp:
nbformat.write(nb, fp, version=4)
if include_html:
# TODO why is the following necessary?
nb = nbformat.reads(nbformat.writes(nb, version=4), as_version=4)
html_content, _ = nbconvert.export_html(nb)
print "Writing", html_output
with io.open(html_output, 'w') as fp:
fp.write(html_content)
def fix_notebook(filename, grade_id, source):
with io.open(filename, "r", encoding="utf-8") as f:
nb = nbformat.read(f, as_version=4)
for i, cell in enumerate(nb.cells):
if "nbgrader" in cell["metadata"] and cell["metadata"]["nbgrader"]["grade_id"] == grade_id:
nb.cells[i]["source"] = source
return nbformat.writes(nb)
def bundle(handler, model):
"""Create a compressed tarball containing the notebook document.
Parameters
----------
handler : tornado.web.RequestHandler
Handler that serviced the bundle request
model : dict
Notebook model from the configured ContentManager
"""
notebook_filename = model['name']
notebook_content = nbformat.writes(model['content']).encode('utf-8')
notebook_name = os.path.splitext(notebook_filename)[0]
tar_filename = '{}.tar.gz'.format(notebook_name)
info = tarfile.TarInfo(notebook_filename)
info.size = len(notebook_content)
with io.BytesIO() as tar_buffer:
with tarfile.open(tar_filename, "w:gz", fileobj=tar_buffer) as tar:
tar.addfile(info, io.BytesIO(notebook_content))
handler.set_attachment_header(tar_filename)
handler.set_header('Content-Type', 'application/gzip')
# Return the buffer value as the response
handler.finish(tar_buffer.getvalue())
def from_file(self, filename):
import nbformat
from nbconvert import MarkdownExporter
from jinja2 import DictLoader
from traitlets.config import Config
c = Config()
# c.ExtractOutputPreprocessor.extract_output_types = set()
c.ExtractOutputPreprocessor.output_filename_template = 'images/{unique_key}_{cell_index}_{index}{extension}'
c.NbConvertBase.display_data_priority = ['application/javascript', 'text/html', 'text/markdown',
'image/svg+xml', 'text/latex', 'image/png', 'image/jpeg',
'text/plain']
nb = nbformat.read(filename, as_version=4)
dl = DictLoader({'full.tpl': TEMPLATE})
md_exporter = MarkdownExporter(config=c, extra_loaders=[
dl], template_file='full.tpl')
(body, resources) = md_exporter.from_notebook_node(nb)
self.kp.write(body, images={name.split(
'images/')[1]: data for name, data in resources.get('outputs', {}).items()})
# Add cleaned ipynb file
for cell in nb['cells']:
if cell['cell_type'] == 'code':
cell['outputs'] = [] # remove output data
cell['execution_count'] = None # reset to not executed
self.kp.write_src(os.path.basename(filename), nbformat.writes(nb))
def from_notebook_node(self, nb, resources=None, **kw):
nb_copy, resources = super(NotebookExporter, self).from_notebook_node(nb, resources, **kw)
if self.nbformat_version != nb_copy.nbformat:
resources['output_suffix'] = '.v%i' % self.nbformat_version
else:
resources['output_suffix'] = '.nbconvert'
output = nbformat.writes(nb_copy, version=self.nbformat_version)
return output, resources
def notebook_node_to_string_list(notebook_node):
"""
Writes a NotebookNode to a list of strings.
:param notebook_node: The notebook as NotebookNode to write.
:return: The notebook as list of strings (linewise).
"""
return nbformat.writes(notebook_node, nbformat.NO_CONVERT).splitlines(True)
def convert_md():
"""Find all markdown files, convert into jupyter notebooks
"""
converted_files = []
reader = notedown.MarkdownReader(match='strict')
files = glob.glob('*/*.md')
# evaluate the newest file first, so we can catchup error ealier
files.sort(key=os.path.getmtime, reverse=True)
do_eval = int(os.environ.get('DO_EVAL', True))
if do_eval:
do_eval = int(os.environ.get('EVAL', True))
if not do_eval:
print('=== Will skip evaluating notebooks')
for fname in files:
new_fname = _get_new_fname(fname)
# parse if each markdown file is actually a jupyter notebook
with open(fname, 'r') as fp:
valid = '```{.python .input' in fp.read()
if not valid:
if new_fname != fname:
print('=== Rename %s -> %s' % (fname, new_fname))
shutil.copyfile(fname, new_fname)
converted_files.append((fname, new_fname))
continue
# read
with open(fname, 'r') as f:
notebook = reader.read(f)
if do_eval and not (_has_output(notebook) or
any([i in fname for i in ignore_execution])):
print('=== Evaluate %s with timeout %d sec'%(fname, timeout))
tic = time.time()
# update from ../data to data
for c in notebook.cells:
if c.get('cell_type', None) == 'code':
c['source'] = c['source'].replace(
'"../data', '"data').replace("'../data", "'data")
notedown.run(notebook, timeout)
print('=== Finished in %f sec'%(time.time()-tic))
# even that we will check it later, but do it ealier so we can see the
# error message before evaluating all notebooks
_check_notebook(notebook)
# write
# need to add language info to for syntax highlight
notebook['metadata'].update({'language_info':{'name':'python'}})
new_fname = _replace_ext(new_fname, 'ipynb')
print('=== Convert %s -> %s' % (fname, new_fname))
with open(new_fname, 'w') as f:
f.write(nbformat.writes(notebook))
converted_files.append((fname, new_fname))
return converted_files
def save(self, keep_alt=False):
if keep_alt:
# xxx store in alt filename
outfilename = "{}.alt.ipynb".format(self.name)
else:
outfilename = self.filename
# xxx don't specify output version for now
new_contents = nbformat.writes(self.notebook)
if replace_file_with_string(outfilename, new_contents):
print("{} saved into {}".format(self.name, outfilename))
def test_write_downgrade_2(self):
"""dowgrade a v3 notebook to v2"""
# Open a version 3 notebook.
with self.fopen(u'test3.ipynb', 'r') as f:
nb = read(f, as_version=3)
jsons = writes(nb, version=2)
nb2 = json.loads(jsons)
(major, minor) = get_version(nb2)
self.assertEqual(major, 2)
def _save_notebook(self, os_path, nb):
"""Save a notebook to an os_path."""
with self.atomic_writing(os_path, encoding='utf-8') as f:
if ftdetect(os_path) == 'notebook':
nbformat.write(nb, f, version=nbformat.NO_CONVERT)
elif ftdetect(os_path) == 'markdown':
nbjson = nbformat.writes(nb, version=nbformat.NO_CONVERT)
markdown = convert(nbjson, informat='notebook',
outformat='markdown')
f.write(markdown)
def _save_notebook(self, path, nb):
self.log.debug('_save_notebook: %s', locals())
k = boto.s3.key.Key(self.bucket)
k.key = self._path_to_s3_key(path)
try:
notebook_json = nbformat.writes(nb, version=nbformat.NO_CONVERT)
k.set_contents_from_string(notebook_json)
except Exception as e:
raise web.HTTPError(400, u"Unexpected Error Writing Notebook: %s %s" % (path, e))
def notebook_content(self, content):
if isinstance(content, compat.string_types):
self._notebook_content = content
return
try:
# maybe this is a notebook
content = nbformat.writes(content, version=nbformat.NO_CONVERT)
self._notebook_content = content
except:
raise
def write(self, filepath, notebookNode, version=4):
"""
Write a notebook to Storage
:param filepath: The path to the notebook to write on the Storage
:param notebookNode: notebookNode object to write
:param version: Version of the notebook
:return boolean
"""
self.log.debug("Write the notebook '%s' to storage" % filepath)
content = nbformat.writes(notebookNode, version);
return self.do_write(filepath, content);
def to_json(self, filename=None, encoding="utf8"):
"""
convert the notebook into json
@param filename filename or stream
@param encoding encoding
@return Json string if filename is None, None otherwise
.. versionchanged:: 1.4
The function now returns the json string if filename is None.
"""
if isinstance(filename, str # unicode#
):
with open(filename, "w", encoding=encoding) as payload:
self.to_json(payload)
elif filename is None:
st = StringIO()
st.write(writes(self.nb))
return st.getvalue()
else:
filename.write(writes(self.nb))
def translate(self):
visitor = NBTranslator(self.document, self.app, self.docpath)
self.document.walkabout(visitor)
nb = _finilize_markdown_cells(visitor.nb)
if self.app.config.nbexport_execute:
ep = ExecutePreprocessor(allow_errors=True)
try:
ep.preprocess(nb, {'metadata': {}})
except CellExecutionError as e:
self.app.warn(str(e))
self.output = nbformat.writes(nb)
def test_run_nb(self):
"""Test %run notebook.ipynb"""
from nbformat import v4, writes
nb = v4.new_notebook(
cells=[
v4.new_markdown_cell("The Ultimate Question of Everything"),
v4.new_code_cell("answer=42")
]
)
src = writes(nb, version=4)
self.mktmp(src, ext='.ipynb')
_ip.magic("run %s" % self.fname)
nt.assert_equal(_ip.user_ns['answer'], 42)
def save_notebook(self, model, name='', path=''):
"""Save the notebook model and return the model with no content."""
path = path.strip('/')
if 'content' not in model:
raise web.HTTPError(400, u'No notebook JSON data provided')
if not path:
raise web.HTTPError(400, u'We require path for saving.')
nb = nbformat.from_dict(model['content'])
gist = self._get_gist(name, path)
if gist is None:
tags = parse_tags(name)
if path:
tags.append(path)
content = nbformat.writes(nb, version=nbformat.NO_CONVERT)
gist = self.gisthub.create_gist(name, tags, content)
# One checkpoint should always exist
#if self.notebook_exists(name, path) and not self.list_checkpoints(name, path):
# self.create_checkpoint(name, path)
new_path = model.get('path', path).strip('/')
new_name = model.get('name', name)
if path != new_path:
raise web.HTTPError(400, u'Gist backend does not support path change')
# remove [gist_id] if we're being sent old key_name
gist.name = gist.strip_gist_id(new_name)
gist.notebook_content = nb
self.check_and_sign(nb, self.fullpath(new_path, new_name))
if 'name' in nb['metadata']:
nb['metadata']['name'] = u''
try:
self.log.debug("Autosaving notebook %s %s", path, name)
self.gisthub.save(gist)
except Exception as e:
raise web.HTTPError(400, u'Unexpected error while autosaving notebook: %s %s %s' % (path, name, e))
# NOTE: since gist.name might not have [gist_id] suffix on rename
# we use gist.key_name
model = self.get_notebook(gist.key_name, new_path, content=False)
return model
def merge_notebooks(filenames):
merged = None
for fname in filenames:
with io.open(fname, 'r', encoding='utf-8') as f:
nb = nbformat.read(f, as_version=4)
if merged is None:
merged = nb
else:
# TODO: add an optional marker between joined notebooks
# like an horizontal rule, for example, or some other arbitrary
# (user specified) markdown cell)
merged.cells.extend(nb.cells)
if not hasattr(merged.metadata, 'name'):
merged.metadata.name = ''
merged.metadata.name += "_merged"
print(nbformat.writes(merged))
def fetch(self, filepath, dest):
"""
Fetch a notebook from Storage to home directory
:param filepath: Path to the notebook on the storage
:param dest: Path to the notebook fetched in the home directory of the user
:return the path to the notebook in the home directory of the user
"""
self.log.debug("Fetch notebook '%s' to '%s'" % (filepath, dest));
nb = self.read(filepath);
if not dest.endswith('.ipynb'):
dest += '.ipynb'
# Write the notebook on local storage
self.local.write(dest, nbformat.writes(nb));
return os.path.join(self.local.sharedNotebook, dest);
def test_directory_empty_mainipynb(self):
import nbformat
doc = Document()
source = nbformat.v4.new_notebook()
result = {}
def load(filename):
handler = bahd.DirectoryHandler(filename=filename)
handler.modify_document(doc)
result['handler'] = handler
result['filename'] = filename
if handler.failed:
raise RuntimeError(handler.error)
with_directory_contents({
'main.ipynb': nbformat.writes(source)
}, load)
assert not doc.roots
def merge_notebooks(outfile, filenames):
merged = None
added_appendix = False
for fname in filenames:
with io.open(fname, 'r', encoding='utf-8') as f:
nb = nbformat.read(f, nbformat.NO_CONVERT)
remove_formatting(nb)
if not added_appendix and fname[0:8] == 'Appendix':
remove_links_add_appendix(nb)
added_appendix = True
else:
remove_links(nb)
if merged is None:
merged = nb
else:
merged.cells.extend(nb.cells)
#merged.metadata.name += "_merged"
outfile.write(nbformat.writes(merged, nbformat.NO_CONVERT))
def test_roundtrip():
"""Run nbconvert using our custom markdown template to recover
original markdown from a notebook.
"""
# create a notebook from the markdown
mr = notedown.MarkdownReader()
roundtrip_notebook = mr.to_notebook(roundtrip_markdown)
# write the notebook into json
notebook_json = nbformat.writes(roundtrip_notebook)
# write the json back into notebook
notebook = nbformat.reads(notebook_json, as_version=4)
# convert notebook to markdown
mw = notedown.MarkdownWriter(template_file='notedown/templates/markdown.tpl', strip_outputs=True)
markdown = mw.writes(notebook)
nt.assert_multi_line_equal(roundtrip_markdown, markdown)
def merge_notebooks(filenames):
merged = None
for fname in filenames:
with io.open(fname, 'r', encoding='utf-8') as f:
nb = nbformat.read(f, as_version=4)
for i, cell in enumerate(nb.cells):
if ( 'nbgrader' in cell['metadata'] and
cell['metadata']['nbgrader']['grade_id'] == 'header'):
nb.cells.pop(i)
if merged is None:
merged = nb
else:
# TODO: add an optional marker between joined notebooks
# like an horizontal rule, for example, or some other arbitrary
# (user specified) markdown cell)
merged.cells.extend(nb.cells)
if not hasattr(merged.metadata, 'name'):
merged.metadata.name = ''
merged.metadata.name += "_merged"
return nbformat.writes(merged)
def test_directory_mainipynb_adds_roots(self) -> None:
import nbformat
doc = Document()
source = nbformat.v4.new_notebook()
code = script_adds_two_roots('SomeModelInNbTestDirectory',
'AnotherModelInNbTestDirectory')
source.cells.append(nbformat.v4.new_code_cell(code))
result: Dict[str, Handler] = {}
def load(filename: str):
handler = bahd.DirectoryHandler(filename=filename)
handler.modify_document(doc)
result['handler'] = handler
result['filename'] = filename
if handler.failed:
raise RuntimeError(handler.error)
with_directory_contents({'main.ipynb': nbformat.writes(source)}, load)
assert len(doc.roots) == 2
def update_ipynb_toc(root):
"""Change the toc code block into a list of clickable links"""
notebooks = find_files('**/*.ipynb', root)
for fn in notebooks:
nb = notebook.read(fn)
if not nb:
continue
for cell in nb.cells:
if (cell.cell_type == 'markdown' and '```toc' in cell.source):
md_cells = markdown.split_markdown(cell.source)
for c in md_cells:
if c['type'] == 'code' and c['class'] == 'toc':
toc = []
for l in c['source'].split('\n'):
if l and not l.startswith(':'):
toc.append(' - [%s](%s.ipynb)' % (l, l))
c['source'] = '\n'.join(toc)
c['type'] = 'markdown'
cell.source = markdown.join_markdown_cells(md_cells)
with open(fn, 'w') as f:
f.write(nbformat.writes(nb))
def md2ipynb():
assert len(sys.argv) == 3, 'usage: input.md output.rst'
(src_fn, input_fn, output_fn) = sys.argv
# timeout for each notebook, in sec
timeout = 20 * 60
# if enable evaluation
do_eval = int(os.environ.get('EVAL', True))
reader = notedown.MarkdownReader(match='strict')
with open(input_fn, 'r', encoding="utf8") as f:
notebook = reader.read(f)
if do_eval:
tic = time.time()
notedown.run(notebook, timeout)
print('%s: Evaluated %s in %f sec'%(src_fn, input_fn, time.time()-tic))
# need to add language info to for syntax highlight
notebook['metadata'].update({'language_info':{'name':'python'}})
with open(output_fn, 'w') as f:
f.write(nbformat.writes(notebook))
print('%s: Write results into %s'%(src_fn, output_fn))
def writes(notebook, fmt, version=nbformat.NO_CONVERT, **kwargs):
""""
Write a notebook to a file name or a file object
:param notebook: the notebook
:param fmt: the jupytext format like `md`, `py:percent`, ...
:param version: see nbformat.writes
:param kwargs: (not used) additional parameters for nbformat.writes
:return: the text representation of the notebook
"""
metadata = deepcopy(notebook.metadata)
rearrange_jupytext_metadata(metadata)
fmt = copy(fmt)
fmt = long_form_one_format(fmt, metadata)
ext = fmt['extension']
format_name = fmt.get('format_name')
jupytext_metadata = metadata.get('jupytext', {})
if ext == '.ipynb':
# Remove jupytext section if empty
jupytext_metadata.pop('text_representation', {})
if not jupytext_metadata:
metadata.pop('jupytext', {})
return nbformat.writes(
NotebookNode(
nbformat=notebook.nbformat,
nbformat_minor=notebook.nbformat_minor,
metadata=metadata,
cells=notebook.cells), version, **kwargs)
if not format_name:
format_name = format_name_for_ext(metadata, ext, explicit_default=False)
if format_name:
fmt['format_name'] = format_name
update_jupytext_formats_metadata(metadata, fmt)
writer = TextNotebookConverter(fmt)
return writer.writes(notebook, metadata)
def compare_multiple_pipelines(self, workspace_id: Text):
u_api = ce_api.UsersApi(self.client)
user = api_utils.api_call(u_api.get_loggedin_user_api_v1_users_me_get)
info = {
constants.ACTIVE_USER: user.email,
user.email: {
constants.TOKEN: self.client.configuration.access_token,
constants.ACTIVE_WORKSPACE: workspace_id
}
}
# generate notebook
nb = nbf.v4.new_notebook()
nb['cells'] = [
nbf.v4.new_code_cell(evaluation.import_block()),
nbf.v4.new_code_cell(evaluation.info_block(info)),
nbf.v4.new_code_cell(evaluation.application_block()),
nbf.v4.new_code_cell(evaluation.interface_block()),
]
# write notebook
config_folder = click.get_app_dir(constants.APP_NAME)
if not (os.path.exists(config_folder)
and os.path.isdir(config_folder)):
os.makedirs(config_folder)
final_out_path = os.path.join(config_folder,
constants.COMPARISON_NOTEBOOK)
s = nbf.writes(nb)
if isinstance(s, bytes):
s = s.decode('utf8')
with open(final_out_path, 'w') as f:
f.write(s)
# serve notebook
os.system('panel serve "{}" --show'.format(final_out_path))
def from_notebook_node(self, notebook, resources=None, **kwargs):
notebook, resources = super().from_notebook_node(
notebook, resources=resources, **kwargs
)
# if it is unset or an empty value, set it
if resources.get("ipywidgets_base_url", "") == "":
resources["ipywidgets_base_url"] = "https://unpkg.com/"
with tempfile.TemporaryDirectory(suffix="nb-as-pdf") as name:
pdf_fname = os.path.join(name, "output.pdf")
pdf_fname2 = os.path.join(name, "output-with-attachment.pdf")
pyppeteer_args = ["--no-sandbox"] if self.no_sandbox else None
self.pool.submit(
asyncio.run,
notebook_to_pdf(
notebook,
pdf_fname,
config=self.config,
resources=resources,
pyppeteer_args=pyppeteer_args,
**kwargs,
),
).result()
resources["output_extension"] = ".pdf"
attach_notebook(
pdf_fname,
pdf_fname2,
{
"file_name": f"{resources['metadata']['name']}.ipynb",
"contents": nbformat.writes(notebook).encode("utf-8"),
},
)
with open(pdf_fname2, "rb") as f:
pdf_bytes = f.read()
return (pdf_bytes, resources)
def notebook(root_dir):
# Build sub directory.
if not root_dir.joinpath('foo').is_dir():
subdir = root_dir / 'foo'
subdir.mkdir()
# Build a notebook programmatically.
nb = new_notebook()
nb.cells.append(new_markdown_cell(u'Created by test ³'))
cc1 = new_code_cell(source=u'print(2*6)')
cc1.outputs.append(new_output(output_type="stream", text=u'12'))
cc1.outputs.append(
new_output(
output_type="execute_result",
data={'image/png': png_green_pixel},
execution_count=1,
))
nb.cells.append(cc1)
# Write file to tmp dir.
nbfile = subdir / 'testnb.ipynb'
nbfile.write_text(writes(nb, version=4))
def test_directory_mainipynb_adds_roots(self):
import nbformat
doc = Document()
source = nbformat.v4.new_notebook()
code = script_adds_two_roots('SomeModelInNbTestDirectory',
'AnotherModelInNbTestDirectory')
source.cells.append(nbformat.v4.new_code_cell(code))
result = {}
def load(filename):
handler = bahd.DirectoryHandler(filename=filename)
handler.modify_document(doc)
result['handler'] = handler
result['filename'] = filename
if handler.failed:
raise RuntimeError(handler.error)
with_directory_contents({
'main.ipynb': nbformat.writes(source)
}, load)
assert len(doc.roots) == 2
def test_directory_both_mainipynb_and_mainpy(self) -> None:
doc = Document()
def load(filename: str):
handler = bahd.DirectoryHandler(filename=filename)
handler.modify_document(doc)
if handler.failed:
raise RuntimeError(handler.error)
import nbformat
source = nbformat.v4.new_notebook()
with_directory_contents(
{
'main.py':
script_adds_two_roots('SomeModelInTestDirectory',
'AnotherModelInTestDirectory'),
'main.ipynb':
nbformat.writes(source),
}, load)
assert len(doc.roots) == 2
def notebook(jp_root_dir):
# Build sub directory.
subdir = jp_root_dir / "foo"
if not jp_root_dir.joinpath("foo").is_dir():
subdir.mkdir()
# Build a notebook programmatically.
nb = new_notebook()
nb.cells.append(new_markdown_cell(u"Created by test ³"))
cc1 = new_code_cell(source=u"print(2*6)")
cc1.outputs.append(new_output(output_type="stream", text=u"12"))
cc1.outputs.append(
new_output(
output_type="execute_result",
data={"image/png": png_green_pixel},
execution_count=1,
))
nb.cells.append(cc1)
# Write file to tmp dir.
nbfile = subdir / "testnb.ipynb"
nbfile.write_text(writes(nb, version=4), encoding="utf-8")
def from_meeting(self, meeting: Meeting):
self.meeting = meeting
nb = read_notebook(meeting)
resources = {"output_extension": FileExtensions.Solutionbook}
# NotebookExporter.from_notebook_node returns a notebook as a string
notebook, resources = super().from_notebook_node(nb,
resources=resources)
# to operate over the notebook, we need it to be a NotebookNode
notebook = nbformat.reads(notebook, as_version=4)
notebook.cells.insert(0, self._notebook_heading())
# to write to disk, it now needs to be a string
notebook = nbformat.writes(notebook)
filename = (repositories.local_meeting_root(meeting) /
repr(meeting)).with_suffix(FileExtensions.Solutionbook)
open(filename, "w").write(notebook)
return notebook, resources
def generate_notebooks(config, eval_dir, colab_dir):
"""Add a colab setup code cell and then save to colab_dir"""
if not config['github_repo']:
return
# copy notebook fron eval_dir to colab_dir
run_cmd(['rm -rf', colab_dir])
run_cmd(['cp -r', eval_dir, colab_dir])
notebooks = find_files('**/*.ipynb', colab_dir)
for fn in notebooks:
with open(fn, 'r') as f:
notebook = nbformat.read(f, as_version=4)
# Use Python3 as the kernel
notebook['metadata'].update({"kernelspec": {
"name": "python3",
"display_name": "Python 3"
}})
# Check if GPU is needed
use_gpu = False
for cell in notebook.cells:
if cell.cell_type == 'code':
if config['gpu_pattern'] in cell.source:
use_gpu = True
break
if use_gpu:
notebook['metadata'].update({"accelerator": "GPU"})
logging.info('Use GPU for '+fn)
# Update SVG image URLs
if config['replace_svg_url']:
update_svg_urls(notebook, config['replace_svg_url'], fn, colab_dir)
# Add additional libraries
if config['libs']:
cell = get_installation_cell(notebook, config['libs'])
if cell:
notebook.cells.insert(0, cell)
if config['libs_header']:
notebook.cells.insert(
0, nbformat.v4.new_markdown_cell(source=config['libs_header']))
with open(fn, 'w') as f:
f.write(nbformat.writes(notebook))
def make_source_bundle(model, environment, ext_resources_dir, extra_files=[]):
"""Create a bundle containing the specified notebook and python environment.
Returns a file-like object containing the bundle tarball.
"""
nb_name = model['name']
nb_content = nbformat.writes(model['content'], nbformat.NO_CONVERT) + '\n'
manifest = make_source_manifest(nb_name, environment, 'jupyter-static')
manifest_add_buffer(manifest, nb_name, nb_content)
manifest_add_buffer(manifest, environment['filename'], environment['contents'])
paths = []
if extra_files:
paths = list_files(ext_resources_dir, extra_files)
skip = [nb_name, environment['filename'], 'manifest.json']
paths = sorted(list(set(paths) - set(skip)))
for rel_path in paths:
abs_path = normpath(join(ext_resources_dir, rel_path))
if not abs_path.startswith(ext_resources_dir):
raise ValueError('Path %s is not within the notebook directory' % rel_path)
manifest_add_file(manifest, rel_path, ext_resources_dir)
log.debug('manifest: %r', manifest)
bundle_file = tempfile.TemporaryFile(prefix='rsc_bundle')
with tarfile.open(mode='w:gz', fileobj=bundle_file) as bundle:
# add the manifest first in case we want to partially untar the bundle for inspection
bundle_add_buffer(bundle, 'manifest.json', json.dumps(manifest, indent=2))
bundle_add_buffer(bundle, nb_name, nb_content)
bundle_add_buffer(bundle, environment['filename'], environment['contents'])
for rel_path in paths:
bundle_add_file(bundle, rel_path, ext_resources_dir)
bundle_file.seek(0)
return bundle_file
def merge_notebooks(filenames, remove_header=False):
merged = None
for fname in filenames:
nb = read_notebook(fname)
if remove_header:
for i, cell in enumerate(nb.cells[:]):
grade_id_exists = ('nbgrader' in cell['metadata']) and ('grade_id' in cell['metadata']['nbgrader'])
header_exists = grade_id_exists and (cell['metadata']['nbgrader']['grade_id'] == 'header')
due_date_exists = grade_id_exists and (cell['metadata']['nbgrader']['grade_id'] == 'due_date')
if header_exists or due_date_exists:
nb.cells.remove(cell)
if merged is None:
merged = nb
else:
# TODO: add an optional marker between joined notebooks
# like an horizontal rule, for example, or some other arbitrary
# (user specified) markdown cell)
merged.cells.extend(nb.cells)
if not hasattr(merged.metadata, 'name'):
merged.metadata.name = ''
merged.metadata.name += "_merged"
return nbformat.writes(merged)
def translatenb_v4(cells):
from nbformat.v4 import (new_code_cell, new_markdown_cell, new_notebook)
from nbformat.v4.nbbase import new_raw_cell
nb_cells = []
for cell_type, language, block in cells:
block = '\n'.join(block)
if cell_type == 'markdown':
if block != "":
nb_cells.append(new_markdown_cell(source=block))
elif cell_type == 'code':
nb_cells.append(new_code_cell(source=block))
elif cell_type == 'raw':
nb_cells.append(new_raw_cell(source=block))
else:
raise ValueError(
'Wrong cell_type was given [{}]'.format(cell_type))
nb = new_notebook(cells=nb_cells)
from nbformat import writes
return writes(nb, version=4)
def run_internal(self, context, **kwargs):
NotebookCommand.init_jupyter(context)
task = context.get_task(kwargs.get('task'), task_class=ETLTask)
import_lines = get_imports(task)
if isinstance(task, SingleSourceETLTask):
source = task.source
if isinstance(source, six.string_types):
body_lines = ['source = """{}"""\n'.format(source)]
else:
body_lines = ['source = {}\n'.format({'a': 1})]
if task.is_source_query:
body_lines.append(
'context.load_query(source, conn=\'{}\')\n'.format(
task.source_conn))
else:
body_lines.append('context.load(source, conn=\'{}\')\n'.format(
task.source_conn))
else:
body_lines = get_function_body(task.execute_internal)
body_lines = list(
map(lambda x: x.replace('return ', ''), body_lines))
source_lines = import_lines + ['\n\n'] + body_lines
notebook = nbformat.v4.new_notebook()
cell = nbformat.v4.new_code_cell(source=source_lines)
notebook.cells.append(cell)
ipynb_path = os.path.join(context.workdir, '.jupyter', 'notebook',
task.name + '.ipynb')
with open(ipynb_path, 'wb') as f:
ipy_content = nbformat.writes(notebook)
f.write(ipy_content.encode())
f.flush()
os.system('jupyter notebook {}.ipynb'.format(task.name))
def write_notebook_output(notebook, output_dir, notebook_name):
"""Extract output from notebook cells and write to files in output_dir.
This also modifies 'notebook' in-place, adding metadata to each cell that
maps output mime-types to the filenames the output was saved under.
"""
resources = dict(unique_key=os.path.join(output_dir, notebook_name),
outputs={})
# Modifies 'resources' in-place
ExtractOutputPreprocessor().preprocess(notebook, resources)
# Write the cell outputs to files where we can (images and PDFs),
# as well as the notebook file.
FilesWriter(build_directory=output_dir).write(
nbformat.writes(notebook),
resources,
os.path.join(output_dir, notebook_name + ".ipynb"),
)
# Write a script too.
ext = notebook.metadata.language_info.file_extension
contents = "\n\n".join(cell.source for cell in notebook.cells)
with open(os.path.join(output_dir, notebook_name + ext), "w") as f:
f.write(contents)
def executenb(text,
nbversion=4,
timeout=600,
kernel_name='python3',
run_path='.',
outputname=None):
import nbformat
from nbconvert.preprocessors import ExecutePreprocessor
from nbconvert.preprocessors.execute import CellExecutionError
nb = nbformat.reads(text, as_version=nbversion)
ep = ExecutePreprocessor(timeout=timeout, kernel_name=kernel_name)
try:
out = ep.preprocess(nb, {'metadata': {'path': run_path}})
except CellExecutionError:
msg = 'Error executing the notebook.'
if outputname is not None:
msg += ' See notebook "{:s}" for the traceback.'.format(outputname)
logger.error(msg)
raise
finally:
return nbformat.writes(nb)
def upload_notebook(notebook, notebook_configuration, time, engine, user_id=None):
# Get UID
notebook_string = nbf.writes(notebook)
notebook_uid = ''.join(random.choice(string.ascii_letters + string.digits) for _ in range(9))
# Upload to Bucket
client = storage.Client()
bucket = client.get_bucket('jupyter-notebook-generator')
blob = bucket.blob('{notebook_uid}/{notebook_configuration[notebook][title]}.ipynb'.format(**locals()))
blob.upload_from_string(notebook_string, content_type='text/html')
blob.make_public()
# Upload dataset
dataset = notebook_configuration['data']['parameters'].get('gse') if notebook_configuration['data']['parameters'].get('gse') else notebook_configuration['data']['parameters'].get('uid')
if not dataset:
dataset = 'gtex'
notebook_dataframe = pd.Series({'notebook_uid': notebook_uid, 'notebook_title': notebook_configuration['notebook']['title'], 'notebook_configuration': json.dumps(notebook_configuration), 'version': notebook_configuration['notebook']['version'], 'time': time, 'dataset': dataset, 'user_fk': user_id, 'private': 1 if user_id else 0}).to_frame().T
notebook_dataframe.to_sql('notebook', engine, if_exists='append', index=False)
# Get tool IDs
tool_dict = pd.read_sql_table('tool', engine).set_index('tool_string')['id'].to_dict()
# Get notebook ID
notebook_id = pd.read_sql_query('SELECT id FROM notebook WHERE notebook_uid = "{}"'.format(notebook_uid), engine)['id'][0]
# Notebook-tool dataframe
notebook_tool_dataframe = pd.DataFrame({'tool_fk': [tool_dict[x['tool_string']] for x in notebook_configuration['tools']], 'notebook_fk': notebook_id})
notebook_tool_dataframe.to_sql('notebook_tool', engine, if_exists='append', index=False)
# Notebook-tag dataframe
if notebook_configuration.get('terms'):
notebook_tag_dataframe = pd.DataFrame({'ontology_term_fk': [x for x in notebook_configuration.get('terms')], 'notebook_fk': notebook_id})
notebook_tag_dataframe.to_sql('notebook_ontology_term', engine, if_exists='append', index=False)
# Return
return notebook_uid
def upload_notebook(notebook, notebook_configuration, engine):
# Get UID
notebook_string = nbf.writes(notebook)
notebook_uid = ''.join(
random.choice(string.ascii_letters + string.digits) for _ in range(9))
# Upload to Bucket
client = storage.Client()
bucket = client.get_bucket('jupyter-notebook-generator')
blob = bucket.blob(
'{notebook_uid}/{notebook_configuration[notebook][title]}.ipynb'.
format(**locals()))
blob.upload_from_string(notebook_string, content_type='text/html')
blob.make_public()
notebook_url = urllib.parse.unquote(blob.public_url)
# Upload to database
notebook_dataframe = pd.Series({
'notebook_uid':
notebook_uid,
'notebook_url':
notebook_url,
'notebook_configuration':
json.dumps(notebook_configuration),
'version':
notebook_configuration['notebook']['version'],
'gse':
notebook_configuration['data']['parameters'].get('gse')
}).to_frame().T
notebook_dataframe.to_sql('notebooks',
engine,
if_exists='append',
index=False)
# Return
return notebook_url
def test_upload_instance(client, github_auth_header, mocker):
responses.add(responses.GET,
'https://api.github.com/user',
status=200,
json={'login': '******'})
responses.add(responses.GET,
'https://api.github.com/user/orgs',
status=200,
json=[{
'login': '******'
}])
responses.add(responses.GET,
'https://keeper.lsst.codes/token',
status=200,
json={'token': 'ltdtoken'})
mock_task = mocker.patch(
'uservice_nbreport.routes.uploadnb.publish_instance')
mock_url_for = mocker.patch('uservice_nbreport.routes.uploadnb.url_for')
mock_url_for.return_value = 'https://example.com/12345'
# Create a mock notebook
nb = nbformat.v4.new_notebook()
nb.cells.append(nbformat.v4.new_markdown_cell(source='Hello world'))
nb_data = nbformat.writes(nb, version=4)
with client:
headers = dict(github_auth_header)
headers['Content-Type'] = 'application/x-ipynb+json'
response = client.post(
'/nbreport/reports/testr-000/instances/1/notebook',
headers=headers,
data=nb_data)
assert response.status_code == 202
mock_task.apply_async.assert_called_once()
mock_url_for.assert_called_once()
def read(cls, path):
resolved_path, fmt = cls.extract_format(path)
text = _resolved_handler(resolved_path).read(resolved_path)
# Read the document
nb = jupytext.reads(text, fmt=fmt)
# Set a kernel if there was none
if nb.metadata.get('kernelspec', {}).get('name') is None:
language = nb.metadata.get('jupytext', {}).get(
'main_language') or nb.metadata['kernelspec']['language']
if not language:
raise ValueError(
'Cannot infer a kernel as the document language is not defined'
)
kernelspec = kernelspec_from_language(language)
if not kernelspec:
raise ValueError('Found no kernel for {}'.format(language))
nb.metadata['kernelspec'] = kernelspec
# Return the notebook as a JSON string
return nbformat.writes(nb)
def sample_perf(nb, n=30):
samples = pd.DataFrame(
pd.np.NaN,
index=pd.MultiIndex.from_product(
(range(n), ['nbformat'] + JUPYTEXT_FORMATS), names=['sample', 'implementation']),
columns=pd.Index(['size', 'read', 'write'], name='measure'))
for i, fmt in samples.index:
t0 = time.time()
if fmt == 'nbformat':
text = nbformat.writes(nb)
else:
text = jupytext.writes(nb, fmt)
t1 = time.time()
samples.loc[(i, fmt), 'write'] = t1 - t0
samples.loc[(i, fmt), 'size'] = len(text)
t0 = time.time()
if fmt == 'nbformat':
nbformat.reads(text, as_version=4)
else:
jupytext.reads(text, fmt)
t1 = time.time()
samples.loc[(i, fmt), 'read'] = t1 - t0
return samples
def _release_notebook(dst_dir):
"""convert .md into notebooks and make a zip file"""
reader = notedown.MarkdownReader(match='strict')
files = glob.glob('*/*.md')
package_files = ['environment.yml', 'utils.py', 'README.md', 'LICENSE']
package_files.extend(glob.glob('img/*'))
package_files.extend(glob.glob('data/*'))
for fname in files:
# parse if each markdown file is actually a jupyter notebook
with open(fname, 'r') as fp:
valid = '```{.python .input' in fp.read()
if not valid:
package_files.append(fname)
continue
# read
with open(fname, 'r') as f:
notebook = reader.read(f)
# write
new_fname = _replace_ext(fname, 'ipynb')
with open(new_fname, 'w') as f:
f.write(nbformat.writes(notebook))
package_files.append(new_fname)
print('=== Packing ', package_files)
with ZipFile(os.path.join(dst_dir, 'gluon_tutorials_zh.zip'), 'w') as pkg:
for f in package_files:
pkg.write(f)
with tarfile.open(os.path.join(dst_dir, 'gluon_tutorials_zh.tar.gz'),
"w:gz") as tar:
for f in package_files:
tar.add(f)
for f in glob.glob('*/*.ipynb'):
os.remove(f)
def _release_notebook(dst_dir):
"""convert .md into notebooks and make a zip file"""
reader = notedown.MarkdownReader(match='strict')
files = glob.glob('*/*.md')
package_files = ['environment.yml', 'utils.py', 'README.md', 'LICENSE']
package_files.extend(glob.glob('img/*'))
package_files.extend(glob.glob('data/*'))
for fname in files:
# parse if each markdown file is actually a jupyter notebook
with open(fname, 'r') as fp:
valid = '```{.python .input' in fp.read()
if not valid:
package_files.append(fname)
continue
# read
with open(fname, 'r') as f:
notebook = reader.read(f)
# write
new_fname = _replace_ext(fname, 'ipynb')
with open(new_fname, 'w') as f:
f.write(nbformat.writes(notebook))
package_files.append(new_fname)
print('=== Packing ', package_files)
with ZipFile(os.path.join(dst_dir, 'gluon_tutorials_zh.zip'), 'w') as pkg:
for f in package_files:
pkg.write(f)
with tarfile.open(
os.path.join(dst_dir, 'gluon_tutorials_zh.tar.gz'), "w:gz") as tar:
for f in package_files:
tar.add(f)
for f in glob.glob('*/*.ipynb'):
os.remove(f)
def write_doc(self, docname, doctree):
# work around multiple string % tuple issues in docutils;
# replace tuples in attribute values with lists
doctree = doctree.deepcopy()
destination = docutils.io.StringOutput(encoding="utf-8")
### output notebooks for executing for single pdfs, the urlpath should be set to website url
self.writer._set_ref_urlpath(self.config["jupyter_pdf_urlpath"])
self.writer._set_jupyter_download_nb_image_urlpath(None)
self.writer.write(doctree, destination)
# get a NotebookNode object from a string
nb = nbformat.reads(self.writer.output, as_version=4)
nb = self.update_Metadata(nb)
### execute the notebook - keep it forcefully on
strDocname = str(docname)
if strDocname in self.execution_vars['dependency_lists'].keys():
self.execution_vars['delayed_notebooks'].update({strDocname: nb})
else:
self._execute_notebook_class.execute_notebook(
self, nb, docname, self.execution_vars,
self.execution_vars['futures'])
### mkdir if the directory does not exist
outfilename = os.path.join(self.outdir,
os_path(docname) + self.out_suffix)
ensuredir(os.path.dirname(outfilename))
try:
with codecs.open(outfilename, "w", "utf-8") as f:
self.writer.output = nbformat.writes(nb, version=4)
f.write(self.writer.output)
except (IOError, OSError) as err:
self.logger.warning("error writing file %s: %s" %
(outfilename, err))
def from_file(self, filename):
import nbformat
from nbconvert import MarkdownExporter
from jinja2 import DictLoader
from traitlets.config import Config
c = Config()
# c.ExtractOutputPreprocessor.extract_output_types = set()
c.ExtractOutputPreprocessor.output_filename_template = 'images/{unique_key}_{cell_index}_{index}{extension}'
c.NbConvertBase.display_data_priority = [
'application/javascript', 'text/html', 'text/markdown',
'image/svg+xml', 'text/latex', 'image/png', 'image/jpeg',
'text/plain'
]
nb = nbformat.read(filename, as_version=4)
dl = DictLoader({'full.tpl': TEMPLATE})
md_exporter = MarkdownExporter(config=c,
extra_loaders=[dl],
template_file='full.tpl')
(body, resources) = md_exporter.from_notebook_node(nb)
self.kp.write(
body,
images={
name.split('images/')[1]: data
for name, data in resources.get('outputs', {}).items()
})
# Add cleaned ipynb file
for cell in nb['cells']:
if cell['cell_type'] == 'code':
cell['outputs'] = [] # remove output data
cell['execution_count'] = None # reset to not executed
self.kp.write_src(os.path.basename(filename), nbformat.writes(nb))
def with_file_object(f):
nbsource = nbformat.writes(contents)
f.write(nbsource.encode("UTF-8"))
f.flush()
func(f.name)
def write_doc(self, docname, doctree):
# work around multiple string % tuple issues in docutils;
# replace tuples in attribute values with lists
doctree = doctree.deepcopy()
destination = docutils.io.StringOutput(encoding="utf-8")
### print an output for downloading notebooks as well with proper links if variable is set
if "jupyter_download_nb" in self.config and self.config["jupyter_download_nb"]:
outfilename = os.path.join(self.downloadsdir, os_path(docname) + self.out_suffix)
ensuredir(os.path.dirname(outfilename))
self.writer._set_ref_urlpath(self.config["jupyter_download_nb_urlpath"])
self.writer._set_jupyter_download_nb_image_urlpath((self.config["jupyter_download_nb_image_urlpath"]))
self.writer.write(doctree, destination)
# get a NotebookNode object from a string
nb = nbformat.reads(self.writer.output, as_version=4)
nb = self.update_Metadata(nb)
try:
with codecs.open(outfilename, "w", "utf-8") as f:
self.writer.output = nbformat.writes(nb, version=4)
f.write(self.writer.output)
except (IOError, OSError) as err:
self.warn("error writing file %s: %s" % (outfilename, err))
### executing downloaded notebooks
if (self.config['jupyter_download_nb_execute']):
strDocname = str(docname)
if strDocname in self.download_execution_vars['dependency_lists'].keys():
self.download_execution_vars['delayed_notebooks'].update({strDocname: nb})
else:
self._execute_notebook_class.execute_notebook(self, nb, docname, self.download_execution_vars, self.download_execution_vars['futures'])
### output notebooks for executing
self.writer._set_ref_urlpath(None)
self.writer._set_jupyter_download_nb_image_urlpath(None)
self.writer.write(doctree, destination)
# get a NotebookNode object from a string
nb = nbformat.reads(self.writer.output, as_version=4)
nb = self.update_Metadata(nb)
### execute the notebook
if (self.config["jupyter_execute_notebooks"]):
strDocname = str(docname)
if strDocname in self.execution_vars['dependency_lists'].keys():
self.execution_vars['delayed_notebooks'].update({strDocname: nb})
else:
self._execute_notebook_class.execute_notebook(self, nb, docname, self.execution_vars, self.execution_vars['futures'])
else:
#do not execute
if (self.config['jupyter_generate_html']):
language_info = nb.metadata.kernelspec.language
self._convert_class = convertToHtmlWriter(self)
self._convert_class.convert(nb, docname, language_info, self.outdir)
### mkdir if the directory does not exist
outfilename = os.path.join(self.outdir, os_path(docname) + self.out_suffix)
ensuredir(os.path.dirname(outfilename))
try:
with codecs.open(outfilename, "w", "utf-8") as f:
self.writer.output = nbformat.writes(nb, version=4)
f.write(self.writer.output)
except (IOError, OSError) as err:
self.logger.warning("error writing file %s: %s" % (outfilename, err))
def add_toctree(app, docname, source):
# If no globaltoc is given, we'll skip this part
if not app.config["globaltoc_path"]:
return
# First check whether this page has any descendants
# If so, then we'll manually add them as a toctree object
path = app.env.doc2path(docname, base=None)
toc = app.config["globaltoc"]
page = find_name(toc, _no_suffix(path))
# If we didn't find this page in the TOC, raise an error
if page is None:
raise FileNotFoundError(
f"The following path in your table of contents couldn't be found:\n\n{path}.\n\nDouble check your `_toc.yml` file to make sure the paths are correct."
)
# If we have no sections, then don't worry about a toctree
sections = [(ii.get("file"), ii.get("name"))
for ii in page.get("pages", [])]
if len(sections) == 0:
return
for ii, (path_sec, name) in enumerate(sections):
# Update path so it is relative to the root of the parent
path_parent_folder = Path(page["file"]).parent
path_sec = os.path.relpath(path_sec, path_parent_folder)
# Decide whether we'll over-ride with a name in the toctree
this_section = f"{path_sec}"
if name:
this_section = f"{name} <{this_section}>"
sections[ii] = this_section
# Parse flags in the page metadata
options = []
if page.get("numbered"):
options.append("numbered")
options = "\n".join([f":{ii}:" for ii in options])
# Figure out what kind of text defines a toctree directive for this file
# currently, assumed to be markdown
suff = Path(path).suffix
toctree_text = dedent("""
```{{toctree}}
:hidden:
:titlesonly:
{options}
{sections}
```
""")
# Create the markdown directive for our toctree
toctree = toctree_text.format(options=options,
sections="\n".join(sections))
if suff == ".md":
source[0] += toctree + "\n"
elif suff == ".ipynb":
# Lazy import nbformat because we only need it if we have an ipynb file
import nbformat as nbf
ntbk = nbf.reads(source[0], nbf.NO_CONVERT)
md = nbf.v4.new_markdown_cell(toctree)
ntbk.cells.append(md)
source[0] = nbf.writes(ntbk)
else:
raise ValueError("Only markdown and ipynb files are supported.")
def create_notebook_checkpoint(self, nb, path): content = nbformat.writes(nb) return self.create_file_checkpoint(content, 'text', path)
def write_nb(nb, nb_path, mode='w'):
with open(nb_path, mode) as f: f.write(nbformat.writes(nbformat.from_dict(nb), version=4))
def with_file_object(f):
nbsource = nbformat.writes(contents)
f.write(nbsource.encode("UTF-8"))
f.flush()
func(f.name)
def save(self):
outfilename = self.filename
# don't specify output version for now
new_contents = nbformat.writes(self.notebook) + "\n"
if replace_file_with_string(outfilename, new_contents):
print(f"{self.name} saved into {outfilename}")
import nbformat
from sys import argv
# TODO: if name main stuff for usage and stderr
file_input = argv[1]
with open(file_input, 'r', encoding='utf-8') as f:
nb = nbformat.read(f, as_version=4)
# slides of type slide are white listed
def is_assigned(c):
if hasattr(c.metadata, 'slideshow'):
if c.metadata.slideshow.slide_type == 'slide':
return True
else:
return False
else:
return False
new_cells = list(filter(is_assigned, nb['cells']))
nb['cells'] = new_cells
print(nbformat.writes(nb))
def writes_base64(nb, version=NBFORMAT_VERSION):
"""
Write a notebook as base64.
"""
return b64encode(writes(nb, version=version).encode('utf-8')).decode()
def dumps(self, nb):
return nbformat.writes(nb, _NBFORMAT_VERSION)