update html/js to nbformat 4

This commit is contained in:
MinRK 2014-07-27 20:15:30 -07:00 committed by Min RK
parent fd17ea8078
commit 07079095a8
12 changed files with 117 additions and 216 deletions

View File

@ -114,6 +114,7 @@ class NbconvertPostHandler(IPythonHandler):
exporter = get_exporter(format, config=self.config)
model = self.get_json_body()
name = model.get('name', 'notebook.ipynb')
nbnode = to_notebook_json(model['content'])
try:
@ -121,7 +122,7 @@ class NbconvertPostHandler(IPythonHandler):
except Exception as e:
raise web.HTTPError(500, "nbconvert failed: %s" % e)
if respond_zip(self, nbnode.metadata.name, output, resources):
if respond_zip(self, name, output, resources):
return
# MIME type

View File

@ -10,7 +10,7 @@ import requests
from IPython.html.utils import url_path_join
from IPython.html.tests.launchnotebook import NotebookTestBase, assert_http_error
from IPython.nbformat.current import (new_notebook, write, new_worksheet,
from IPython.nbformat.current import (new_notebook, write,
new_heading_cell, new_code_cell,
new_output)
@ -43,7 +43,8 @@ class NbconvertAPI(object):
png_green_pixel = base64.encodestring(b'\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00'
b'\x00\x00\x01\x00\x00x00\x01\x08\x02\x00\x00\x00\x90wS\xde\x00\x00\x00\x0cIDAT'
b'\x08\xd7c\x90\xfb\xcf\x00\x00\x02\\\x01\x1e.~d\x87\x00\x00\x00\x00IEND\xaeB`\x82')
b'\x08\xd7c\x90\xfb\xcf\x00\x00\x02\\\x01\x1e.~d\x87\x00\x00\x00\x00IEND\xaeB`\x82'
).decode('ascii')
class APITest(NotebookTestBase):
def setUp(self):
@ -52,19 +53,20 @@ class APITest(NotebookTestBase):
if not os.path.isdir(pjoin(nbdir, 'foo')):
os.mkdir(pjoin(nbdir, 'foo'))
nb = new_notebook(name='testnb')
nb = new_notebook()
ws = new_worksheet()
nb.worksheets = [ws]
ws.cells.append(new_heading_cell(u'Created by test ³'))
cc1 = new_code_cell(input=u'print(2*6)')
cc1.outputs.append(new_output(output_text=u'12', output_type='stream'))
cc1.outputs.append(new_output(output_png=png_green_pixel, output_type='pyout'))
ws.cells.append(cc1)
nb.cells.append(new_heading_cell(u'Created by test ³'))
cc1 = new_code_cell(source=u'print(2*6)')
cc1.outputs.append(new_output(output_type="stream", data=u'12'))
cc1.outputs.append(new_output(output_type="execute_result",
mime_bundle={'image/png' : png_green_pixel},
prompt_number=1,
))
nb.cells.append(cc1)
with io.open(pjoin(nbdir, 'foo', 'testnb.ipynb'), 'w',
encoding='utf-8') as f:
write(nb, f, format='ipynb')
write(nb, f)
self.nbconvert_api = NbconvertAPI(self.base_url())

View File

@ -234,8 +234,7 @@ class ContentsManager(LoggingConfigurable):
model = {}
if 'content' not in model and model.get('type', None) != 'directory':
if ext == '.ipynb':
metadata = current.new_metadata(name=u'')
model['content'] = current.new_notebook(metadata=metadata)
model['content'] = current.new_notebook()
model['type'] = 'notebook'
model['format'] = 'json'
else:

View File

@ -15,7 +15,7 @@ import requests
from IPython.html.utils import url_path_join, url_escape
from IPython.html.tests.launchnotebook import NotebookTestBase, assert_http_error
from IPython.nbformat import current
from IPython.nbformat.current import (new_notebook, write, read, new_worksheet,
from IPython.nbformat.current import (new_notebook, write, read,
new_heading_cell, to_notebook_json)
from IPython.nbformat import v2
from IPython.utils import py3compat
@ -142,7 +142,7 @@ class APITest(NotebookTestBase):
# create a notebook
with io.open(pjoin(nbdir, d, '%s.ipynb' % name), 'w',
encoding='utf-8') as f:
nb = new_notebook(name=name)
nb = new_notebook()
write(nb, f, format='ipynb')
# create a text file
@ -286,14 +286,14 @@ class APITest(NotebookTestBase):
self.assertEqual(model['content'], '')
def test_upload_untitled(self):
nb = new_notebook(name='Upload test')
nb = new_notebook()
nbmodel = {'content': nb, 'type': 'notebook'}
resp = self.api.upload_untitled(path=u'å b',
body=json.dumps(nbmodel))
self._check_created(resp, 'Untitled0.ipynb', u'å b')
def test_upload(self):
nb = new_notebook(name=u'ignored')
nb = new_notebook()
nbmodel = {'content': nb, 'type': 'notebook'}
resp = self.api.upload(u'Upload tést.ipynb', path=u'å b',
body=json.dumps(nbmodel))
@ -355,7 +355,6 @@ class APITest(NotebookTestBase):
resp = self.api.read(u'Upload tést.ipynb', u'å b')
data = resp.json()
self.assertEqual(data['content']['nbformat'], current.nbformat)
self.assertEqual(data['content']['orig_nbformat'], 2)
def test_copy_untitled(self):
resp = self.api.copy_untitled(u'ç d.ipynb', path=u'å b')
@ -416,9 +415,7 @@ class APITest(NotebookTestBase):
resp = self.api.read('a.ipynb', 'foo')
nbcontent = json.loads(resp.text)['content']
nb = to_notebook_json(nbcontent)
ws = new_worksheet()
nb.worksheets = [ws]
ws.cells.append(new_heading_cell(u'Created by test ³'))
nb.cells.append(new_heading_cell(u'Created by test ³'))
nbmodel= {'name': 'a.ipynb', 'path':'foo', 'content': nb, 'type': 'notebook'}
resp = self.api.save('a.ipynb', path='foo', body=json.dumps(nbmodel))
@ -426,11 +423,11 @@ class APITest(NotebookTestBase):
nbfile = pjoin(self.notebook_dir.name, 'foo', 'a.ipynb')
with io.open(nbfile, 'r', encoding='utf-8') as f:
newnb = read(f, format='ipynb')
self.assertEqual(newnb.worksheets[0].cells[0].source,
self.assertEqual(newnb.cells[0].source,
u'Created by test ³')
nbcontent = self.api.read('a.ipynb', 'foo').json()['content']
newnb = to_notebook_json(nbcontent)
self.assertEqual(newnb.worksheets[0].cells[0].source,
self.assertEqual(newnb.cells[0].source,
u'Created by test ³')
# Save and rename
@ -455,10 +452,8 @@ class APITest(NotebookTestBase):
# Modify it
nbcontent = json.loads(resp.text)['content']
nb = to_notebook_json(nbcontent)
ws = new_worksheet()
nb.worksheets = [ws]
hcell = new_heading_cell('Created by test')
ws.cells.append(hcell)
nb.cells.append(hcell)
# Save
nbmodel= {'name': 'a.ipynb', 'path':'foo', 'content': nb, 'type': 'notebook'}
resp = self.api.save('a.ipynb', path='foo', body=json.dumps(nbmodel))
@ -469,14 +464,14 @@ class APITest(NotebookTestBase):
nbcontent = self.api.read('a.ipynb', 'foo').json()['content']
nb = to_notebook_json(nbcontent)
self.assertEqual(nb.worksheets[0].cells[0].source, 'Created by test')
self.assertEqual(nb.cells[0].source, 'Created by test')
# Restore cp1
r = self.api.restore_checkpoint('a.ipynb', 'foo', cp1['id'])
self.assertEqual(r.status_code, 204)
nbcontent = self.api.read('a.ipynb', 'foo').json()['content']
nb = to_notebook_json(nbcontent)
self.assertEqual(nb.worksheets, [])
self.assertEqual(nb.cells, [])
# Delete cp1
r = self.api.delete_checkpoint('a.ipynb', 'foo', cp1['id'])

View File

@ -95,11 +95,9 @@ class TestContentsManager(TestCase):
return os_path
def add_code_cell(self, nb):
output = current.new_output("display_data", output_javascript="alert('hi');")
output = current.new_output("display_data", {'application/javascript': "alert('hi');"})
cell = current.new_code_cell("print('hi')", outputs=[output])
if not nb.worksheets:
nb.worksheets.append(current.new_worksheet())
nb.worksheets[0].cells.append(cell)
nb.cells.append(cell)
def new_notebook(self):
cm = self.contents_manager
@ -309,13 +307,13 @@ class TestContentsManager(TestCase):
nb, name, path = self.new_notebook()
cm.mark_trusted_cells(nb, name, path)
for cell in nb.worksheets[0].cells:
for cell in nb.cells:
if cell.cell_type == 'code':
assert not cell.metadata.trusted
cm.trust_notebook(name, path)
nb = cm.get_model(name, path)['content']
for cell in nb.worksheets[0].cells:
for cell in nb.cells:
if cell.cell_type == 'code':
assert cell.metadata.trusted

View File

@ -62,7 +62,7 @@ class SessionAPITest(NotebookTestBase):
with io.open(pjoin(nbdir, 'foo', 'nb1.ipynb'), 'w',
encoding='utf-8') as f:
nb = new_notebook(name='nb1')
nb = new_notebook()
write(nb, f, format='ipynb')
self.sess_api = SessionAPI(self.base_url())

View File

@ -382,13 +382,11 @@ define([
CodeCell.prototype.collapse_output = function () {
this.collapsed = true;
this.output_area.collapse();
};
CodeCell.prototype.expand_output = function () {
this.collapsed = false;
this.output_area.expand();
this.output_area.unscroll_area();
};
@ -399,7 +397,6 @@ define([
};
CodeCell.prototype.toggle_output = function () {
this.collapsed = Boolean(1 - this.collapsed);
this.output_area.toggle_output();
};
@ -467,22 +464,18 @@ define([
CodeCell.prototype.fromJSON = function (data) {
Cell.prototype.fromJSON.apply(this, arguments);
if (data.cell_type === 'code') {
if (data.input !== undefined) {
this.set_text(data.input);
if (data.source !== undefined) {
this.set_text(data.source);
// make this value the starting point, so that we can only undo
// to this state, instead of a blank cell
this.code_mirror.clearHistory();
this.auto_highlight();
}
if (data.prompt_number !== undefined) {
this.set_input_prompt(data.prompt_number);
} else {
this.set_input_prompt();
}
this.output_area.trusted = data.metadata.trusted || false;
this.output_area.fromJSON(data.outputs);
if (data.collapsed !== undefined) {
if (data.collapsed) {
if (data.metadata.collapsed !== undefined) {
if (data.metadata.collapsed) {
this.collapse_output();
} else {
this.expand_output();
@ -494,16 +487,17 @@ define([
CodeCell.prototype.toJSON = function () {
var data = Cell.prototype.toJSON.apply(this);
data.input = this.get_text();
data.source = this.get_text();
// is finite protect against undefined and '*' value
if (isFinite(this.input_prompt_number)) {
data.prompt_number = this.input_prompt_number;
} else {
data.prompt_number = null;
}
var outputs = this.output_area.toJSON();
data.outputs = outputs;
data.language = 'python';
data.metadata.trusted = this.output_area.trusted;
data.collapsed = this.output_area.collapsed;
data.metadata.collapsed = this.output_area.collapsed;
return data;
};

View File

@ -121,10 +121,8 @@ define([
this.autosave_timer = null;
// autosave *at most* every two minutes
this.minimum_autosave_interval = 120000;
// single worksheet for now
this.worksheet_metadata = {};
this.notebook_name_blacklist_re = /[\/\\:]/;
this.nbformat = 3; // Increment this when changing the nbformat
this.nbformat = 4; // Increment this when changing the nbformat
this.nbformat_minor = 0; // Increment this when changing the nbformat
this.codemirror_mode = 'ipython';
this.create_elements();
@ -1785,8 +1783,6 @@ define([
/**
* Load a notebook from JSON (.ipynb).
*
* This currently handles one worksheet: others are deleted.
*
* @method fromJSON
* @param {Object} data JSON representation of a notebook
*/
@ -1818,50 +1814,22 @@ define([
this.set_codemirror_mode(cm_mode);
}
// Only handle 1 worksheet for now.
var worksheet = content.worksheets[0];
if (worksheet !== undefined) {
if (worksheet.metadata) {
this.worksheet_metadata = worksheet.metadata;
}
var new_cells = worksheet.cells;
var new_cells = content.cells;
ncells = new_cells.length;
var cell_data = null;
var new_cell = null;
for (i=0; i<ncells; i++) {
cell_data = new_cells[i];
// VERSIONHACK: plaintext -> raw
// handle never-released plaintext name for raw cells
if (cell_data.cell_type === 'plaintext'){
cell_data.cell_type = 'raw';
}
new_cell = this.insert_cell_at_index(cell_data.cell_type, i);
new_cell.fromJSON(cell_data);
if (new_cell.cell_type == 'code' && !new_cell.output_area.trusted) {
trusted = false;
}
}
}
if (trusted !== this.trusted) {
this.trusted = trusted;
this.events.trigger("trust_changed.Notebook", trusted);
}
if (content.worksheets.length > 1) {
dialog.modal({
notebook: this,
keyboard_manager: this.keyboard_manager,
title : "Multiple worksheets",
body : "This notebook has " + data.worksheets.length + " worksheets, " +
"but this version of IPython can only handle the first. " +
"If you save this notebook, worksheets after the first will be lost.",
buttons : {
OK : {
class : "btn-danger"
}
}
});
}
};
/**
@ -1871,6 +1839,10 @@ define([
* @return {Object} A JSON-friendly representation of this notebook.
*/
Notebook.prototype.toJSON = function () {
// remove the conversion indicator, which only belongs in-memory
delete this.metadata.orig_nbformat;
delete this.metadata.orig_nbformat_minor;
var cells = this.get_cells();
var ncells = cells.length;
var cell_array = new Array(ncells);
@ -1883,11 +1855,7 @@ define([
cell_array[i] = cell.toJSON();
}
var data = {
// Only handle 1 worksheet for now.
worksheets : [{
cells: cell_array,
metadata: this.worksheet_metadata
}],
metadata : this.metadata
};
if (trusted != this.trusted) {
@ -2337,10 +2305,13 @@ define([
}
this.set_dirty(false);
this.scroll_to_top();
if (data.orig_nbformat !== undefined && data.nbformat !== data.orig_nbformat) {
var nbmodel = data.content;
var orig_nbformat = nbmodel.metadata.orig_nbformat;
var orig_nbformat_minor = nbmodel.metadata.orig_nbformat_minor;
if (orig_nbformat !== undefined && nbmodel.nbformat !== orig_nbformat) {
var msg = "This notebook has been converted from an older " +
"notebook format (v"+data.orig_nbformat+") to the current notebook " +
"format (v"+data.nbformat+"). The next time you save this notebook, the " +
"notebook format (v"+orig_nbformat+") to the current notebook " +
"format (v"+nbmodel.nbformat+"). The next time you save this notebook, the " +
"newer notebook format will be used and older versions of IPython " +
"may not be able to read it. To keep the older version, close the " +
"notebook without saving it.";
@ -2355,10 +2326,10 @@ define([
}
}
});
} else if (data.orig_nbformat_minor !== undefined && data.nbformat_minor !== data.orig_nbformat_minor) {
} else if (orig_nbformat_minor !== undefined && nbmodel.nbformat_minor !== orig_nbformat_minor) {
var that = this;
var orig_vs = 'v' + data.nbformat + '.' + data.orig_nbformat_minor;
var this_vs = 'v' + data.nbformat + '.' + this.nbformat_minor;
var orig_vs = 'v' + nbmodel.nbformat + '.' + orig_nbformat_minor;
var this_vs = 'v' + nbmodel.nbformat + '.' + this.nbformat_minor;
var msg = "This notebook is version " + orig_vs + ", but we only fully support up to " +
this_vs + ". You can still work with this notebook, but some features " +
"introduced in later notebook versions may not be available.";

View File

@ -211,7 +211,7 @@ define([
var content = msg.content;
if (msg_type === "stream") {
json.text = content.text;
json.stream = content.name;
json.name = content.name;
} else if (msg_type === "display_data") {
json = content.data;
json.output_type = msg_type;
@ -234,6 +234,7 @@ define([
OutputArea.prototype.rename_keys = function (data, key_map) {
// TODO: This is now unused, should it be removed?
var remapped = {};
for (var key in data) {
var new_key = key_map[key] || key;
@ -260,7 +261,10 @@ define([
// TODO: right now everything is a string, but JSON really shouldn't be.
// nbformat 4 will fix that.
$.map(OutputArea.output_types, function(key){
if (json[key] !== undefined && typeof json[key] !== 'string') {
if (key !== 'application/json' &&
json[key] !== undefined &&
typeof json[key] !== 'string'
) {
console.log("Invalid type for " + key, json[key]);
delete json[key];
}
@ -449,23 +453,18 @@ define([
OutputArea.prototype.append_stream = function (json) {
// temporary fix: if stream undefined (json file written prior to this patch),
// default to most likely stdout:
if (json.stream === undefined){
json.stream = 'stdout';
}
var text = json.text;
var subclass = "output_"+json.stream;
var text = json.data;
var subclass = "output_"+json.name;
if (this.outputs.length > 0){
// have at least one output to consider
var last = this.outputs[this.outputs.length-1];
if (last.output_type == 'stream' && json.stream == last.stream){
if (last.output_type == 'stream' && json.name == last.name){
// latest output was in the same stream,
// so append directly into its pre tag
// escape ANSI & HTML specials:
last.text = utils.fixCarriageReturn(last.text + json.text);
last.data = utils.fixCarriageReturn(last.data + json.data);
var pre = this.element.find('div.'+subclass).last().find('pre');
var html = utils.fixConsole(last.text);
var html = utils.fixConsole(last.data);
// The only user content injected with this HTML call is
// escaped by the fixConsole() method.
pre.html(html);
@ -852,70 +851,33 @@ define([
// JSON serialization
OutputArea.prototype.fromJSON = function (outputs) {
OutputArea.prototype.fromJSON = function (outputs, metadata) {
var len = outputs.length;
var data;
metadata = metadata || {};
for (var i=0; i<len; i++) {
data = outputs[i];
var msg_type = data.output_type;
if (msg_type == "pyout") {
// pyout message has been renamed to execute_result,
// but the nbformat has not been updated,
// so transform back to pyout for json.
msg_type = data.output_type = "execute_result";
} else if (msg_type == "pyerr") {
// pyerr message has been renamed to error,
// but the nbformat has not been updated,
// so transform back to pyerr for json.
msg_type = data.output_type = "error";
}
if (msg_type === "display_data" || msg_type === "execute_result") {
// convert short keys to mime keys
// TODO: remove mapping of short keys when we update to nbformat 4
data = this.rename_keys(data, OutputArea.mime_map_r);
data.metadata = this.rename_keys(data.metadata, OutputArea.mime_map_r);
// msg spec JSON is an object, nbformat v3 JSON is a JSON string
if (data["application/json"] !== undefined && typeof data["application/json"] === 'string') {
data["application/json"] = JSON.parse(data["application/json"]);
}
this.append_output(outputs[i]);
}
this.append_output(data);
if (metadata.collapsed !== undefined) {
this.collapsed = metadata.collapsed;
if (metadata.collapsed) {
this.collapse_output();
}
}
if (metadata.autoscroll !== undefined) {
this.collapsed = metadata.collapsed;
if (metadata.collapsed) {
this.collapse_output();
} else {
this.expand_output();
}
}
};
OutputArea.prototype.toJSON = function () {
var outputs = [];
var len = this.outputs.length;
var data;
for (var i=0; i<len; i++) {
data = this.outputs[i];
var msg_type = data.output_type;
if (msg_type === "display_data" || msg_type === "execute_result") {
// convert mime keys to short keys
data = this.rename_keys(data, OutputArea.mime_map);
data.metadata = this.rename_keys(data.metadata, OutputArea.mime_map);
// msg spec JSON is an object, nbformat v3 JSON is a JSON string
if (data.json !== undefined && typeof data.json !== 'string') {
data.json = JSON.stringify(data.json);
}
}
if (msg_type == "execute_result") {
// pyout message has been renamed to execute_result,
// but the nbformat has not been updated,
// so transform back to pyout for json.
data.output_type = "pyout";
} else if (msg_type == "error") {
// pyerr message has been renamed to error,
// but the nbformat has not been updated,
// so transform back to pyerr for json.
data.output_type = "pyerr";
}
outputs[i] = data;
}
return outputs;
return this.outputs;
};
/**
@ -948,29 +910,6 @@ define([
OutputArea.minimum_scroll_threshold = 20;
OutputArea.mime_map = {
"text/plain" : "text",
"text/html" : "html",
"image/svg+xml" : "svg",
"image/png" : "png",
"image/jpeg" : "jpeg",
"text/latex" : "latex",
"application/json" : "json",
"application/javascript" : "javascript",
};
OutputArea.mime_map_r = {
"text" : "text/plain",
"html" : "text/html",
"svg" : "image/svg+xml",
"png" : "image/png",
"jpeg" : "image/jpeg",
"latex" : "text/latex",
"json" : "application/json",
"javascript" : "application/javascript",
};
OutputArea.display_order = [
'application/javascript',
'text/html',

View File

@ -29,7 +29,7 @@ casper.notebook_test(function () {
var ex = expected[i];
this.test.assertEquals(r.output_type, ex.output_type, "output " + i);
if (r.output_type === 'stream') {
this.test.assertEquals(r.stream, ex.stream, "stream " + i);
this.test.assertEquals(r.name, ex.name, "stream " + i);
this.test.assertEquals(r.text, ex.text, "content " + i);
}
}
@ -57,7 +57,7 @@ casper.notebook_test(function () {
"print(3)"
].join("\n"), [{
output_type: "stream",
stream: "stdout",
name: "stdout",
text: "1\n2\n3\n"
}]
);
@ -69,11 +69,11 @@ casper.notebook_test(function () {
"print(3, file=sys.stderr)"
].join("\n"), [{
output_type: "stream",
stream: "stdout",
name: "stdout",
text: "1\n2\n"
},{
output_type: "stream",
stream: "stderr",
name: "stderr",
text: "3\n"
}]
);
@ -85,13 +85,13 @@ casper.notebook_test(function () {
"print(3)"
].join("\n"), [{
output_type: "stream",
stream: "stdout",
name: "stdout",
text: "1\n"
},{
output_type: "display_data",
},{
output_type: "stream",
stream: "stdout",
name: "stdout",
text: "3\n"
}]
);

View File

@ -24,8 +24,10 @@ var svg = "\"<svg width='1cm' height='1cm' viewBox='0 0 1000 500'><defs><style>r
// name, and that fromJSON also gets its long mimetype name
function assert_has(short_name, json, result, result2) {
long_name = mime[short_name];
this.test.assertTrue(json[0].hasOwnProperty(short_name),
'toJSON() representation uses ' + short_name);
this.test.assertFalse(json[0].hasOwnProperty(short_name),
"toJSON() representation doesn't use " + short_name);
this.test.assertTrue(json[0].hasOwnProperty(long_name),
'toJSON() representation uses ' + long_name);
this.test.assertTrue(result.hasOwnProperty(long_name),
'toJSON() original embedded JSON keeps ' + long_name);
this.test.assertTrue(result2.hasOwnProperty(long_name),
@ -34,8 +36,8 @@ function assert_has(short_name, json, result, result2) {
// helper function for checkout that the first two cells have a particular
// output_type (either 'execute_result' or 'display_data'), and checks the to/fromJSON
// for a set of mimetype keys, using their short names ('javascript', 'text',
// 'png', etc).
// for a set of mimetype keys, ensuring the old short names ('javascript', 'text',
// 'png', etc) are not used.
function check_output_area(output_type, keys) {
this.wait_for_output(0);
json = this.evaluate(function() {

View File

@ -10,8 +10,8 @@ pjoin = os.path.join
import requests
import json
from IPython.nbformat.current import (new_notebook, write, new_worksheet,
new_heading_cell, new_code_cell,
from IPython.nbformat.current import (new_notebook, write,
new_markdown_cell, new_code_cell,
new_output)
from IPython.html.utils import url_path_join
@ -62,18 +62,18 @@ class FilesTest(NotebookTestBase):
nbdir = self.notebook_dir.name
base = self.base_url()
nb = new_notebook(name='testnb')
ws = new_worksheet()
nb.worksheets = [ws]
ws.cells.append(new_heading_cell(u'Created by test ³'))
cc1 = new_code_cell(input=u'print(2*6)')
cc1.outputs.append(new_output(output_text=u'12', output_type='stream'))
ws.cells.append(cc1)
nb = new_notebook(
cells=[
new_markdown_cell(u'Created by test ³'),
new_code_cell("print(2*6)", outputs=[
new_output("stream", text="12"),
])
]
)
with io.open(pjoin(nbdir, 'testnb.ipynb'), 'w',
encoding='utf-8') as f:
write(nb, f, format='ipynb')
write(nb, f)
with io.open(pjoin(nbdir, 'test.bin'), 'wb') as f:
f.write(b'\xff' + os.urandom(5))