Ejemplo n.º 1
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def Submit(exercise_id=None):
  if JWT_TOKEN == "":
    display.display(display.HTML("Please get JWT_TOKEN by visiting " +
                                 "<a href='" + SERVER_URL + "/login'>Login page</a>"))
    raise Exception("Please set JWT_TOKEN")
  notebook = google_message.blocking_request(
    "get_ipynb", request="", timeout_sec=120)["ipynb"]
  ids = []
  for cell in notebook['cells']:
        if 'metadata' not in cell:
          continue
        m = cell['metadata']
        if m and 'exercise_id' in m:
            cell_id = m['exercise_id']
            if cell_id:
                ids.append(cell_id)
  params = {}
  if exercise_id:
    if exercise_id not in ids:
        raise Exception('Not valid exercise ID: ' + exercise_id + ". Valid ids: " + ", ".join(ids))
    params["exercise_id"] = exercise_id
  data = json.dumps(notebook)
  r = requests.post(SERVER_URL + "/upload", files={"notebook": data},
                    headers={"Authorization": "Bearer " + JWT_TOKEN},
                    params=params)
  if r.status_code == 401:
    display.display(display.HTML("Not authorized: is your JWT_TOKEN correct? " +
                                 "Please get JWT_TOKEN by visiting " +
                                 "<a target='_blank' href='" + SERVER_URL + "/login'>Login page</a>" +
                                 "in a new browser tab."))  
  display.display(display.HTML(r.content.decode('utf-8')))
Ejemplo n.º 2
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def test_encourage_iframe_over_html(m_warn):
    display.HTML()
    m_warn.assert_not_called()

    display.HTML('<br />')
    m_warn.assert_not_called()

    display.HTML('<html><p>Lots of content here</p><iframe src="http://a.com"></iframe>')
    m_warn.assert_not_called()

    display.HTML('<iframe src="http://a.com"></iframe>')
    m_warn.assert_called_with('Consider using IPython.display.IFrame instead')

    m_warn.reset_mock()
    display.HTML('<IFRAME SRC="http://a.com"></IFRAME>')
    m_warn.assert_called_with('Consider using IPython.display.IFrame instead')
Ejemplo n.º 3
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    def to_tfr(self,
               output_dir: str,
               schema_map: Dict[str,
                                schema.SchemaMap] = schema.image_csv_schema,
               runner: str = 'DirectRunner',
               project: Optional[str] = None,
               region: Optional[str] = None,
               tfrecorder_wheel: Optional[str] = None,
               dataflow_options: Union[Dict[str, Any], None] = None,
               job_label: str = 'to-tfr',
               compression: Optional[str] = 'gzip',
               num_shards: int = 0) -> Dict[str, Any]:
        """TFRecorder Pandas Accessor.

    TFRecorder provides an easy interface to create image-based tensorflow
    records from a dataframe containing GCS locations of the images and labels.

    Usage:
      import tfrecorder

      df.tfrecorder.to_tfr(
          output_dir='gcs://foo/bar/train',
          runner='DirectRunner',
          compression='gzip',
          num_shards=10)

    Args:
      schema_map: A dict mapping column names to supported types.
      output_dir: Local directory or GCS Location to save TFRecords to.
        Note: GCS required for DataflowRunner
      runner: Beam runner. Can be DirectRunner or  DataflowRunner.
      project: GCP project name (Required if DataflowRunner).
      region: GCP region name (Required if DataflowRunner).
      tfrecorder_wheel: Path to the tfrecorder wheel Dataflow will run.
        (create with 'python setup.py sdist' or
        'pip download tfrecorder --no-deps')
      dataflow_options: Optional dictionary containing Dataflow options.
      job_label: User supplied description for the beam job name.
      compression: Can be 'gzip' or None for no compression.
      num_shards: Number of shards to divide the TFRecords into. Default is
          0 = no sharding.
    Returns:
      job_results: A dictionary of job results.
    """
        display.display(
            display.HTML('<b>Logging output to /tmp/{} </b>'.format(
                constants.LOGFILE)))

        r = client.create_tfrecords(self._df,
                                    output_dir=output_dir,
                                    schema_map=schema_map,
                                    runner=runner,
                                    project=project,
                                    region=region,
                                    tfrecorder_wheel=tfrecorder_wheel,
                                    dataflow_options=dataflow_options,
                                    job_label=job_label,
                                    compression=compression,
                                    num_shards=num_shards)
        return r
 def display_graph(self):
     """Displays graph via IPython or prints DOT if not possible."""
     try:
         from IPython.core import display  # pylint: disable=import-error
         display.display(display.HTML(self._get_graph().create_svg()))  # pylint: disable=protected-access
     except ImportError:
         print(str(self._get_graph()))
Ejemplo n.º 5
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    def signature(self, line):
        sig = '''Author: <a href="https://ramiro.org/">Ramiro Gómez</a>
            • Last edited: {}<br>{} {} - {} {} - IPython {} - matplotlib {} - numpy {} - pandas {}'''.format(
            datetime.now().strftime('%B %d, %Y'), platform.system(),
            platform.release(), platform.python_implementation(),
            platform.python_version(), IPython.__version__,
            matplotlib.__version__, numpy.__version__, pandas.__version__)

        return display.HTML(sig)
Ejemplo n.º 6
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def report(template, **kwargs):
    """Non-magic version of the report.

    This function can be used as

        report(template, source=submission_source.source, results=results)

    The keyword arguments are forwarded to the invocation of
    `template.render()`.  If `source` keyword argument is present, a
    syntax-highlighted HTML copy of it is additionally passed with
    `formatted_source` keyword argument.

    Args:
      template - A template earlier defined with %%template magic,
                 or an inline test. In case of an inline test, the template
                 is automatically defined to include the source code (if provided)
                 and the error message from the inline test result.

    Returns:
      A displayable HTML object.
    """
    if 'source' in kwargs:
        kwargs['formatted_source'] = pygments.highlight(
            kwargs['source'],
            lexers.PythonLexer(),  # pylint: disable=E1101
            formatters.HtmlFormatter()).rstrip()  # pylint: disable=E1101
    # Render the template giving the specified variable as 'results',
    # and render the result as inlined HTML in cell output. 'source' is
    # the prerendered source code.
    if isinstance(template, jinja2.Template):
        html = template.render(**kwargs)
    elif isinstance(template,
                    types.SimpleNamespace) and template.type == 'inlinetest':
        source_template = """
<h4 style='color: #387;'>Your submission</h4>
<pre style='background: #F0F0F0; padding: 3pt; margin: 4pt; border: 1pt solid #DDD; border-radius: 3pt;'>{{ formatted_source }}</pre>"""
        result_template = """
<h4 style='color: #387;'>Results</h4>
{% if 'passed' in results and results['passed'] %}
Looks OK.
{% elif 'error' in results %}
{{results['error'] | e}}
{% else %}
Something is wrong.
{% endif %}"""
        if 'formatted_source' in kwargs:
            template_source = source_template
        else:
            template_source = ''
        template_source += result_template
        actual_template = jinja2.Template(template_source)
        html = actual_template.render(**kwargs)
    else:
        raise Exception("Unrecognized template argument of class %s" %
                        (test_case.__class__))
    return display.HTML(html)
Ejemplo n.º 7
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    def signature(self, line):
        sig = '''Author: <a href="https://twitter.com/thuramg">Thura Z. Neumann</a>
            • Last edited: {}<br>{} {} - {} {} - IPython {} - matplotlib {} - numpy {} - pandas {} - scikit-learn {}'''.format(
            datetime.now().strftime('%B %d, %Y'), platform.system(),
            platform.release(), platform.python_implementation(),
            platform.python_version(), IPython.__version__,
            matplotlib.__version__, numpy.__version__, pandas.__version__,
            sklearn.__version__)

        return display.HTML(sig)
Ejemplo n.º 8
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 def display_graph(self):
   rendered_graph = self._renderer.render_pipeline_graph(self)
   if ie.current_env().is_in_notebook:
     try:
       from IPython.core import display
       display.display(display.HTML(rendered_graph))
     except ImportError:  # Unlikely to happen when is_in_notebook.
       logging.warning('Failed to import IPython display module when current '
                       'environment is in a notebook. Cannot display the '
                       'pipeline graph.')
Ejemplo n.º 9
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def get_usgs_RDB_service(url, headers=None, params=None):
    """Request data from a USGS dataservice and handle errors.

    Args:
        url (str):
            a string used by Requests as the base URL.
        header (dict):
            a dict of parameters used to request the data.
        params (dict):
            a dict of parameters used to modify the url of a REST service.
    Returns:
        A Requests response object.
    Raises:
        This function will raise an exception for any non-200 status code, and\
        in cases where the USGS service returns anything that is not obviously\
        an RDB file. If an exception is raised, then an attempt will be made to\
        display the error page which the USGS sometimes sends back to the user.
    """
    response = requests.get(url, headers=headers, params=params)
    if response.status_code == 200:
        if response.text[0] == "#":
            # Everything seems good; they apparently returned an RDB file.
            return response
        else:
            print("The USGS has apparently not returned any data. Check the "
                  "following message for further information for why this "
                  "request failed. One possibility is that your site number "
                  "is incorrect.")
            display.display(display.HTML(response.text))
            raise exceptions.HydroNoDataError(
                "The USGS did not return a valid RDB file "
                "for this request.")
    else:
        # response.status_code != 200:
        print(f"The USGS has returned an error code of {response.status_code}")
        # If this code is being run inside of a notebook, the USGS error page
        # will be displayed.
        display.display(display.HTML(response.text))
        # raise an exception
        response.raise_for_status()
        # or raise some sort of Hydro http error based on requests http error.
    return response
Ejemplo n.º 10
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def render_graph(graph_type, dict_data, bind_css=None, css_file_names=None):
    # Pre-process data
    utils.preprocess_data(graph_type, dict_data)

    if bind_css is None and utils.get_default_css_binding(
            graph_type) is not None:
        bind_css = utils.get_default_css_binding(graph_type)

    result = display.HTML(
        _render_graph(graph_type, dict_data, bind_css, css_file_names))
    return result
Ejemplo n.º 11
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def load_ipython_extension(ip):
    """Load the extension in IPython."""
    ip.register_magics(PigMagics)

    # enable Pig highlight
    js = display.Javascript(data=js_string)
    display.display_javascript(js)

    # some custom CSS to augment the syntax highlighting
    css = display.HTML(css_string)
    display.display_html(css)
Ejemplo n.º 12
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    def signature(self, line):
        sig = '''Author: <a href="https://github.com/coding-to-music">@ThomasConnors</a>
            • Last edited: {}<br>{} {} - {} {} - IPython {} - matplotlib {} - numpy {} - pandas {}'''.format(
                datetime.now().strftime('%B %d, %Y'),
                platform.system(),
                platform.release(),
                platform.python_implementation(),
                platform.python_version(),
                IPython.__version__,
                matplotlib.__version__,
                numpy.__version__,
                pandas.__version__)

        return display.HTML(sig)
Ejemplo n.º 13
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def test_displayobject_repr():
    h = display.HTML('<br />')
    nt.assert_equal(repr(h), '<IPython.core.display.HTML object>')
    h._show_mem_addr = True
    nt.assert_equal(repr(h), object.__repr__(h))
    h._show_mem_addr = False
    nt.assert_equal(repr(h), '<IPython.core.display.HTML object>')

    j = display.Javascript('')
    nt.assert_equal(repr(j), '<IPython.core.display.Javascript object>')
    j._show_mem_addr = True
    nt.assert_equal(repr(j), object.__repr__(j))
    j._show_mem_addr = False
    nt.assert_equal(repr(j), '<IPython.core.display.Javascript object>')
Ejemplo n.º 14
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    def to_tfr(self,
               output_dir: str,
               runner: str = 'DirectRunner',
               project: Optional[str] = None,
               region: Optional[str] = None,
               dataflow_options: Union[Dict[str, Any], None] = None,
               job_label: str = 'to-tfr',
               compression: Optional[str] = 'gzip',
               num_shards: int = 0) -> Dict[str, Any]:
        """TFRecorder Pandas Accessor.

    TFRecorder provides an easy interface to create image-based tensorflow
    records from a dataframe containing GCS locations of the images and labels.

    Usage:
      import tfrecorder

      df.tfrecorder.to_tfr(
          output_dir='gcs://foo/bar/train',
          runner='DirectRunner',
          compression='gzip',
          num_shards=10)

    Args:
      output_dir: Local directory or GCS Location to save TFRecords to.
      runner: Beam runner. Can be DirectRunner or  DataFlowRunner.
      project: GCP project name (Required if DataFlowRunner).
      region: GCP region name (Required if DataFlowRunner).
      dataflow_options: Optional dictionary containing DataFlow options.
      job_label: User supplied description for the beam job name.
      compression: Can be 'gzip' or None for no compression.
      num_shards: Number of shards to divide the TFRecords into. Default is
          0 = no sharding.
    Returns:
      job_results: A dictionary of job results.
    """
        display.display(
            display.HTML('<b>Logging output to /tmp/{} </b>'.format(
                constants.LOGFILE)))

        r = client.create_tfrecords(self._df,
                                    output_dir=output_dir,
                                    runner=runner,
                                    project=project,
                                    region=region,
                                    dataflow_options=dataflow_options,
                                    job_label=job_label,
                                    compression=compression,
                                    num_shards=num_shards)
        return r
Ejemplo n.º 15
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    def update_display(self, force=False):
        """Updates display on the frontend.

    Retrieves the latest execution status by querying CacheManager and updates
    display on the fronend. The assumption is that there is only one pipeline in
    a cell, because it clears up everything in the cell output every update
    cycle.

    Args:
      force: (bool) whether to force updating when no stats change happens.
    """
        with self._lock:
            stats_updated = False

            for pcoll_id, stats in self._pcollection_stats.items():
                cache_label = stats['cache_label']
                version = stats['version']

                if force or not self._cache_manager.is_latest_version(
                        version, 'sample', cache_label):
                    pcoll_list, version = self._cache_manager.read(
                        'sample', cache_label)
                    stats['sample'] = pcoll_list
                    stats['version'] = version
                    stats_updated = True

                    if pcoll_id in self._analyzer.tl_referenced_pcoll_ids():
                        self._text_to_print[pcoll_id] = (str(
                            '%s produced %s' %
                            (self._producers[pcoll_id],
                             interactive_pipeline_graph.format_sample(
                                 pcoll_list, 5))))

            if force or stats_updated:
                self._pipeline_graph.update_pcollection_stats(
                    self._pcollection_stats)

                if IPython:
                    from IPython.core import display
                    display.clear_output(True)
                    rendered_graph = unicode(
                        self._renderer.render_pipeline_graph(
                            self._pipeline_graph))
                    display.display(display.HTML(rendered_graph))

                _display_progress('Running...')
                for text in self._text_to_print.values():
                    if text:
                        _display_progress(text)
Ejemplo n.º 16
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def show_google_maps_link(longitude, latitude):
    """Creates Google Maps link for a given coordinate.

    Args:
        longitude: float.
        latitude: float.

    Returns:
        IPython.core.display.display element.
    """
    GOOGLE_MAPS_LINK_TEMPLATE = (
        '<a target="_blank" href="https://www.google.com/maps/place/%f,%f">Google Maps</a>'
    )
    html_text = GOOGLE_MAPS_LINK_TEMPLATE % (latitude, longitude)
    return display.display(display.HTML(html_text))
Ejemplo n.º 17
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def report(template, **kwargs):
    """Non-magic version of the report.

    This function can be used as

        report(template, source=submission_source.source, results=results)

    The keyword arguments are forwarded to the invocation of
    `template.render()`.  If `source` keyword argument is present, a
    syntax-highlighted HTML copy of it is additionally passed with
    `formatted_source` keyword argument.
    """
    if 'source' in kwargs:
        kwargs['formatted_source'] = pygments.highlight(
            kwargs['source'], lexers.PythonLexer(), formatters.HtmlFormatter())  # pylint: disable=E1101
    # Render the template giving the specified variable as 'results',
    # and render the result as inlined HTML in cell output. 'source' is
    # the prerendered source code.
    return display.HTML(template.render(**kwargs))
Ejemplo n.º 18
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    def report(self, line, cell):
        """Renders the named template.

        Syntax:
          %%report results_var
          template_name
        """
        var_name = line
        template_name = cell
        template = self.shell.ev(template_name)
        results = self.shell.ev(var_name)
        source = self.shell.user_ns['submission_source'].source
        formatted_source = pygments.highlight(
            source, lexers.PythonLexer(), formatters.HtmlFormatter()).rstrip()
        # Render the template giving the specified variable as 'results',
        # and render the result as inlined HTML in cell output. 'source' is
        # the prerendered source code.
        return display.HTML(
            template.render(results=results,
                            source=source,
                            formatted_source=formatted_source))
Ejemplo n.º 19
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def display_template(template_name):
    file_name = f'pokemon/templates/{template_name}'
    with open(file_name, 'r') as f:
        file = escape(f.read())
        idisplay.display(idisplay.HTML(f'<pre>{file}</pre>'))
Ejemplo n.º 20
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    "get_ipynb", request="", timeout_sec=120)["ipynb"]
  ids = []
  for cell in notebook['cells']:
        if 'metadata' not in cell:
          continue
        m = cell['metadata']
        if m and 'exercise_id' in m:
            cell_id = m['exercise_id']
            if cell_id:
                ids.append(cell_id)
  params = {}
  if exercise_id:
    if exercise_id not in ids:
        raise Exception('Not valid exercise ID: ' + exercise_id + ". Valid ids: " + ", ".join(ids))
    params["exercise_id"] = exercise_id
  data = json.dumps(notebook)
  r = requests.post(SERVER_URL + "/upload", files={"notebook": data},
                    headers={"Authorization": "Bearer " + JWT_TOKEN},
                    params=params)
  if r.status_code == 401:
    display.display(display.HTML("Not authorized: is your JWT_TOKEN correct? " +
                                 "Please get JWT_TOKEN by visiting " +
                                 "<a target='_blank' href='" + SERVER_URL + "/login'>Login page</a>" +
                                 "in a new browser tab."))  
  display.display(display.HTML(r.content.decode('utf-8')))
  
if JWT_TOKEN == "":
  display.display(display.HTML("Please get JWT_TOKEN by visiting " +
                                 "<a href='" + SERVER_URL + "/login'>Login page</a>"))
  raise Exception("Please set JWT_TOKEN")
Ejemplo n.º 21
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def Check(exercise_id):
    """Checks one exercise against embedded inline tests."""
    def _get_exercise_id(cell):
        if 'metadata' in cell and 'exercise_id' in cell['metadata']:
            return cell['metadata']['exercise_id']
        if 'source' not in cell or 'cell_type' not in cell or cell[
                'cell_type'] != 'code':
            return None
        source = ''.join(cell['source'])
        m = re.search('(?m)^# *EXERCISE_ID: [\'"]?([a-zA-Z0-9_.-]*)[\'"]? *\n',
                      source)
        if m:
            return m.group(1)
        return None

    notebook = GetNotebook()
    # 1. Find the first cell with specified exercise ID.
    found = False
    for (i, cell) in enumerate(notebook['cells']):
        if _get_exercise_id(cell) == exercise_id:
            found = True
            break
    if not found:
        raise Exception(f'exercise {exercise_id} not found')

    submission_source = ''.join(cell['source'])  # extract the submission cell
    submission_source = re.sub(r'^%%(solution|submission)[ \t]*\n', '',
                               submission_source)  # cut %%solution magic
    inlinetests = {}
    if 'metadata' in cell and 'inlinetests' in cell['metadata']:
        inlinetests = cell['metadata']['inlinetests']
    if len(inlinetests) == 0:
        j = i + 1
        # 2. If inline tests were not present in metadata, find the inline tests
        # that follow this exercise ID.
        while j < len(notebook['cells']):
            cell = notebook['cells'][j]
            if 'source' not in cell or 'cell_type' not in cell or cell[
                    'cell_type'] != 'code':
                j += 1
                continue
            id = _get_exercise_id(cell)
            source = ''.join(cell['source'])
            if id == exercise_id:
                # 3. Pick the last marked cell as submission cell.
                submission_source = source  # extract the submission cell
                submission_source = re.sub(
                    r'^%%(solution|submission)[ \t]*\n', '',
                    submission_source)  # cut %%solution magic
                j += 1
                continue
            m = re.match(r'^%%inlinetest[ \t]*([a-zA-Z0-9_]*)[ \t]*\n', source)
            if m:
                test_name = m.group(1)
                test_source = source[m.end(0):]  # cut %%inlinetest magic
                # 2a. Store the inline test.
                inlinetests[test_name] = test_source
            if id is not None and id != exercise_id:
                # 4. Stop at the next exercise_id.
                break
            j += 1
    html = RunInlineTests(submission_source, inlinetests)
    return display.HTML(html)
Ejemplo n.º 22
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def test_html_metadata():
    s = "<h1>Test</h1>"
    h = display.HTML(s, metadata={"isolated": True})
    nt.assert_equal(h._repr_html_(), (s, {"isolated": True}))
Ejemplo n.º 23
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Archivo: utils.py Proyecto: rramosp/rlx
def show_source(f):
    import inspect
    src = inspect.getsource(f)
    html = hilite_code(src)
    return display.HTML(html)
Ejemplo n.º 24
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    def cython(self, line, cell):
        """Compile and import everything from a Cython code cell.

        The contents of the cell are written to a `.pyx` file in the
        directory `IPYTHONDIR/cython` using a filename with the hash of the
        code. This file is then cythonized and compiled. The resulting module
        is imported and all of its symbols are injected into the user's
        namespace. The usage is similar to that of `%%cython_pyximport` but
        you don't have to pass a module name::

            %%cython
            def f(x):
                return 2.0*x

        To compile OpenMP codes, pass the required  `--compile-args`
        and `--link-args`.  For example with gcc::

            %%cython --compile-args=-fopenmp --link-args=-fopenmp
            ...
        """
        args = magic_arguments.parse_argstring(self.cython, line)
        code = cell if cell.endswith('\n') else cell + '\n'
        lib_dir = os.path.join(get_ipython_cache_dir(), 'cython')
        quiet = True
        key = code, sys.version_info, sys.executable, Cython.__version__

        if not os.path.exists(lib_dir):
            os.makedirs(lib_dir)

        if args.force:
            # Force a new module name by adding the current time to the
            # key which is hashed to determine the module name.
            key += time.time(),

        module_name = "_cython_magic_" + hashlib.md5(
            str(key).encode('utf-8')).hexdigest()
        module_path = os.path.join(lib_dir, module_name + self.so_ext)

        have_module = os.path.isfile(module_path)
        need_cythonize = not have_module

        if args.annotate:
            html_file = os.path.join(lib_dir, module_name + '.html')
            if not os.path.isfile(html_file):
                need_cythonize = True

        if need_cythonize:
            c_include_dirs = args.include
            if 'numpy' in code:
                import numpy
                c_include_dirs.append(numpy.get_include())
            pyx_file = os.path.join(lib_dir, module_name + '.pyx')
            pyx_file = py3compat.cast_bytes_py2(
                pyx_file, encoding=sys.getfilesystemencoding())
            with io.open(pyx_file, 'w', encoding='utf-8') as f:
                f.write(code)
            extension = Extension(
                name=module_name,
                sources=[pyx_file],
                include_dirs=c_include_dirs,
                library_dirs=args.library_dirs,
                extra_compile_args=args.compile_args,
                extra_link_args=args.link_args,
                libraries=args.lib,
                language='c++' if args.cplus else 'c',
            )
            build_extension = self._get_build_extension()
            try:
                opts = dict(
                    quiet=quiet,
                    annotate=args.annotate,
                    force=True,
                )
                build_extension.extensions = cythonize([extension], **opts)
            except CompileError:
                return

        if not have_module:
            build_extension.build_temp = os.path.dirname(pyx_file)
            build_extension.build_lib = lib_dir
            build_extension.run()
            self._code_cache[key] = module_name

        module = imp.load_dynamic(module_name, module_path)
        self._import_all(module)

        if args.annotate:
            try:
                with io.open(html_file, encoding='utf-8') as f:
                    annotated_html = f.read()
            except IOError as e:
                # File could not be opened. Most likely the user has a version
                # of Cython before 0.15.1 (when `cythonize` learned the
                # `force` keyword argument) and has already compiled this
                # exact source without annotation.
                print(
                    'Cython completed successfully but the annotated '
                    'source could not be read.',
                    file=sys.stderr)
                print(e, file=sys.stderr)
            else:
                return display.HTML(self.clean_annotated_html(annotated_html))
Ejemplo n.º 25
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def test_encourage_iframe_over_html(m_warn):
    display.HTML('<br />')
    m_warn.assert_not_called()

    display.HTML('<iframe src="http://a.com"></iframe>')
    m_warn.assert_called_with('Consider using IPython.display.IFrame instead')
Ejemplo n.º 26
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    def cython(self, line, cell):
        """Compile and import everything from a Cython code cell.

        The contents of the cell are written to a `.pyx` file in the
        directory `IPYTHONDIR/cython` using a filename with the hash of the
        code. This file is then cythonized and compiled. The resulting module
        is imported and all of its symbols are injected into the user's
        namespace. The usage is similar to that of `%%cython_pyximport` but
        you don't have to pass a module name::

            %%cython
            def f(x):
                return 2.0*x

        To compile OpenMP codes, pass the required  `--compile-args`
        and `--link-args`.  For example with gcc::

            %%cython --compile-args=-fopenmp --link-args=-fopenmp
            ...

        To enable profile guided optimisation, pass the ``--pgo`` option.
        Note that the cell itself needs to take care of establishing a suitable
        profile when executed. This can be done by implementing the functions to
        optimise, and then calling them directly in the same cell on some realistic
        training data like this::

            %%cython --pgo
            def critical_function(data):
                for item in data:
                    ...

            # execute function several times to build profile
            from somewhere import some_typical_data
            for _ in range(100):
                critical_function(some_typical_data)

        In Python 3.5 and later, you can distinguish between the profile and
        non-profile runs as follows::

            if "_pgo_" in __name__:
                ...  # execute critical code here
        """
        args = magic_arguments.parse_argstring(self.cython, line)
        code = cell if cell.endswith('\n') else cell + '\n'
        lib_dir = os.path.join(get_ipython_cache_dir(), 'cython')
        key = (code, line, sys.version_info, sys.executable, cython_version)

        if not os.path.exists(lib_dir):
            os.makedirs(lib_dir)

        if args.pgo:
            key += ('pgo',)
        if args.force:
            # Force a new module name by adding the current time to the
            # key which is hashed to determine the module name.
            key += (time.time(),)

        if args.name:
            module_name = py3compat.unicode_to_str(args.name)
        else:
            module_name = "_cython_magic_" + hashlib.sha1(str(key).encode('utf-8')).hexdigest()
        html_file = os.path.join(lib_dir, module_name + '.html')
        module_path = os.path.join(lib_dir, module_name + self.so_ext)

        have_module = os.path.isfile(module_path)
        need_cythonize = args.pgo or not have_module

        if args.annotate:
            if not os.path.isfile(html_file):
                need_cythonize = True

        extension = None
        if need_cythonize:
            extensions = self._cythonize(module_name, code, lib_dir, args, quiet=args.quiet)
            assert len(extensions) == 1
            extension = extensions[0]
            self._code_cache[key] = module_name

            if args.pgo:
                self._profile_pgo_wrapper(extension, lib_dir)

        self._build_extension(extension, lib_dir, pgo_step_name='use' if args.pgo else None,
                              quiet=args.quiet)

        module = imp.load_dynamic(module_name, module_path)
        self._import_all(module)

        if args.annotate:
            try:
                with io.open(html_file, encoding='utf-8') as f:
                    annotated_html = f.read()
            except IOError as e:
                # File could not be opened. Most likely the user has a version
                # of Cython before 0.15.1 (when `cythonize` learned the
                # `force` keyword argument) and has already compiled this
                # exact source without annotation.
                print('Cython completed successfully but the annotated '
                      'source could not be read.', file=sys.stderr)
                print(e, file=sys.stderr)
            else:
                return display.HTML(self.clean_annotated_html(annotated_html))
Ejemplo n.º 27
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def display_file(file_name):
    with open(file_name, 'r') as f:
        file = f.read()
        idisplay.display(idisplay.HTML(f'<pre>{file}</pre>'))
Ejemplo n.º 28
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def display_html(html):
    idisplay.display(idisplay.HTML(html))
Ejemplo n.º 29
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def display_html(html_str):
    import IPython.core.display as IPyDisp
    IPyDisp.display(IPyDisp.HTML(str(html_str)))
Ejemplo n.º 30
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def init():
    result = display.HTML(load_js_dependecies())
    return result