Example #1
0
def test_kernel():
    kernel_name = kernels.get_kernel_name("python")
    kernel = kernels.get_kernel(kernel_name)
    kernel.execute("a=1")
    assert kernel.execute("a")[0]["data"]["text/plain"] == "1"
    kernel.restart()
    with pytest.raises(NameError):
        kernel.execute("a")

    assert kernel is kernels["python"]
from pheasant.renderers.jupyter.ipython import select_display_data
from pheasant.renderers.jupyter.kernel import kernels

kernel = kernels.get_kernel(kernels.get_kernel_name("python"))


def test_import():
    code = ("import holoviews as hv\n"
            "import matplotlib.pyplot as plt\n"
            "import pandas as pd\n"
            "import sympy as sp\n"
            "from bokeh.plotting import figure\n")
    assert kernel.execute(code) == []


def test_select_display_data_text():
    outputs = kernel.execute("1")
    select_display_data(outputs)
    assert outputs == [{
        "type": "execute_result",
        "data": {
            "text/plain": "1"
        },
        "metadata": {}
    }]

    outputs = kernel.execute("print(1)")
    select_display_data(outputs)
    assert outputs == [{"type": "stream", "name": "stdout", "text": "1"}]

    # outputs = kernel.execute("1/0")
Example #3
0
def test_kernel():
    kernel_name = kernels.get_kernel_name("python")
    kernel = kernels.get_kernel(kernel_name)
    kernel.execute("a=1")
    assert kernel.execute("a")[0]["data"]["text/plain"] == "1"
Example #4
0
    def execute_and_render(self, code, context, template) -> str:
        self.count += 1

        cell = Cell(code, context, template)
        if len(self.cache) >= self.count:
            cached = self.cache[self.count - 1]
            if "freeze" in context["option"] or cell == cached:
                if self.page.path and (self.count - 1) % 5 == 0:
                    relpath = os.path.relpath(self.page.path)
                    self.progress_bar.progress(relpath, count=self.count)
                return surround(cached.output, "cached")
            elif self.page.path and self.config["safe"]:
                self.page.cache.delete()
                self.progress_bar.finish(done=False)
                raise CacheMismatchError

        if not self.config["enabled"]:
            report = {"count": self.count}
            return self.render(template, context, outputs=[], report=report)

        self.language = context.get("language", self.language)
        kernel_name = kernels.get_kernel_name(self.language)

        if not kernel_name:
            report = {"count": self.count}
            cell.output = self.render(template, context, outputs=[], report=report)
            self.update_cache(cell)
            return cell.output

        kernel = kernels.get_kernel(kernel_name)
        kernel.start(silent=self.page.path == "")

        if self.count == 1:
            self.progress_bar.progress("Start", count=self.count)

        kwargs = ""
        if self.language == "python":
            _, kwargs = split_kwargs_from_option(context["option"])
            if kwargs:
                kernel.execute(
                    "from pheasant.renderers.jupyter.ipython import formatter_kwargs\n"
                    f"formatter_kwargs.update(dict({kwargs}))"
                )

        verbose = self.config["verbose"]

        def execute():
            if verbose >= 2:
                codes = [self.language + "> " + line for line in code.split("\n")]
                print("\n".join(codes))
            func = kernel.inspect if "inspect" in context["option"] else kernel.execute
            outputs = func(code, output_hook=output_hook if verbose else None)
            report = format_report(kernel.report)
            report["count"] = self.count
            return outputs, report

        def format(result):
            relpath = os.path.relpath(self.page.path)
            return f"{relpath}({result[1]['total']})"

        outputs, report = self.progress_bar.progress(execute, format, self.count)

        if kwargs:
            kernel.execute(
                "from pheasant.renderers.jupyter.ipython import formatter_kwargs\n"
                "formatter_kwargs.clear()"
            )

        cell.extra_module = get_extra_module(outputs)
        select_display_data(outputs)

        if "debug" in context["option"]:
            outputs = [{"type": "execute_result", "data": {"text/plain": outputs}}]
        elif "display-last" in context["option"]:
            select_last_display_data(outputs)
        elif template == "inline_code":
            select_outputs(outputs)
        else:
            latex_display_format(outputs)

        def not_system_exit(output):
            return output["type"] != "error" or output["ename"] != "SystemExit"

        outputs = list(takewhile(not_system_exit, outputs))
        option = context["option"].split()
        code = context["code"].replace("\n\n\n", "\n\n")
        cell.output = self.render(
            template,
            context,
            code=code,
            option=option,
            kernel_name=kernel_name,
            outputs=outputs,
            report=report,
        )
        self.update_cache(cell)
        return cell.output