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{"nwo":"CermakM\/jupyter-datatables","sha":"59b4880f926caaecb862477f3f1c2e7bbebb4939","path":"jupyter_datatables\/__init__.py","language":"python","identifier":"enable_datatables_mode","parameters":"()","argument_list":"","return_statement":"","docstring":"Enable Jupyter DataTables.","docstring_summary":"Enable Jupyter DataTables.","docstring_tokens":["Enable","Jupyter","DataTables","."],"function":"def enable_datatables_mode():\n    \"\"\"Enable Jupyter DataTables.\"\"\"\n    global _IS_ENABLED\n\n    if not _IS_INITIALIZED:\n        init_datatables_mode()\n    else:\n        pd.DataFrame._repr_javascript_ = __REPR__\n\n    _IS_ENABLED = True","function_tokens":["def","enable_datatables_mode","(",")",":","global","_IS_ENABLED","if","not","_IS_INITIALIZED",":","init_datatables_mode","(",")","else",":","pd",".","DataFrame",".","_repr_javascript_","=","__REPR__","_IS_ENABLED","=","True"],"url":"https:\/\/github.com\/CermakM\/jupyter-datatables\/blob\/59b4880f926caaecb862477f3f1c2e7bbebb4939\/jupyter_datatables\/__init__.py#L62-L71"}
{"nwo":"CermakM\/jupyter-datatables","sha":"59b4880f926caaecb862477f3f1c2e7bbebb4939","path":"jupyter_datatables\/__init__.py","language":"python","identifier":"disable_datatables_mode","parameters":"()","argument_list":"","return_statement":"","docstring":"Disable Jupyter DataTables.","docstring_summary":"Disable Jupyter DataTables.","docstring_tokens":["Disable","Jupyter","DataTables","."],"function":"def disable_datatables_mode():\n    \"\"\"Disable Jupyter DataTables.\"\"\"\n    global _IS_ENABLED\n\n    if _IS_INITIALIZED:\n        del pd.DataFrame._repr_javascript_\n\n    _IS_ENABLED = False","function_tokens":["def","disable_datatables_mode","(",")",":","global","_IS_ENABLED","if","_IS_INITIALIZED",":","del","pd",".","DataFrame",".","_repr_javascript_","_IS_ENABLED","=","False"],"url":"https:\/\/github.com\/CermakM\/jupyter-datatables\/blob\/59b4880f926caaecb862477f3f1c2e7bbebb4939\/jupyter_datatables\/__init__.py#L74-L81"}
{"nwo":"CermakM\/jupyter-datatables","sha":"59b4880f926caaecb862477f3f1c2e7bbebb4939","path":"jupyter_datatables\/__init__.py","language":"python","identifier":"init_datatables_mode","parameters":"(options: dict = None, classes: list = None)","argument_list":"","return_statement":"","docstring":"Initialize DataTable mode for pandas DataFrame representation.","docstring_summary":"Initialize DataTable mode for pandas DataFrame representation.","docstring_tokens":["Initialize","DataTable","mode","for","pandas","DataFrame","representation","."],"function":"def init_datatables_mode(options: dict = None, classes: list = None):\n    \"\"\"Initialize DataTable mode for pandas DataFrame representation.\"\"\"\n    global _IS_INITIALIZED\n    global __REPR__\n\n    if not _IS_ENABLED:\n        raise Exception(\n            \"Jupyter DataTables are disabled. Use `enable_datatables_mode()` instead.\")\n\n    # extensions to be loaded\n    extensions = config.defaults.extensions\n\n    require(\"d3\", \"https:\/\/d3js.org\/d3.v5.min\")\n    require(\"d3-array\", \"https:\/\/d3js.org\/d3-array.v2.min\")\n\n    require.config(**{\n        \"paths\": {\n            \"moment\": \"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/moment.js\/2.8.0\/moment\",\n            \"chartjs\": \"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/Chart.js\/2.8.0\/Chart\"\n        },\n        \"shim\": {\n            \"chartjs\": {\n                # enforce moment to be loaded before chartjs\n                \"deps\": [\"moment\"]\n            }\n        },\n    })\n\n    # configure path to the datatables library using requireJS\n    libs = OrderedDict(\n        {\n            # FIXME: minified version on prod\n            \"datatables.net\": \"https:\/\/cdn.datatables.net\/1.10.18\/js\/jquery.dataTables\"\n        }\n    )\n    shim = OrderedDict({\"datatables.net\": {\"exports\": \"$.fn.dataTable\"}})\n\n    bundles = OrderedDict()\n\n    if extensions.buttons:\n        lib = \"datatables.net-buttons\"\n\n        libs[lib] = \"https:\/\/cdn.datatables.net\/buttons\/1.5.6\/js\/dataTables.buttons.min\"\n        shim[lib] = {\"deps\": [\"datatables.net\"]}\n\n        # required to export Excel file, must be loaded first\n        libs[\"jszip\"] = \"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/jszip\/2.5.0\/jszip.min\"\n\n        bundles[lib] = {\n            \"buttons.colvis\": \"https:\/\/cdn.datatables.net\/buttons\/1.5.6\/js\/buttons.colVis.min\",\n            \"buttons.flash\": \"https:\/\/cdn.datatables.net\/buttons\/1.5.6\/js\/buttons.flash.min\",\n            \"buttons.html5\": \"https:\/\/cdn.datatables.net\/buttons\/1.5.6\/js\/buttons.html5.min\",\n            \"buttons.print\": \"https:\/\/cdn.datatables.net\/buttons\/1.5.6\/js\/buttons.print.min\",\n        }\n        for bundle, path in bundles[lib].items():\n            libs[bundle] = path\n            shim[bundle] = {\"deps\": [\"jszip\", lib]}\n\n        # requirements for correct Buttons functionality\n        libs[\n            \"pdfmake\"\n        ] = \"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/pdfmake\/0.1.36\/pdfmake.min\"\n        shim[\"pdfmake\"] = {\"deps\": [\"datatables.net\"]}\n        libs[\n            \"vfsfonts\"\n        ] = \"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/pdfmake\/0.1.36\/vfs_fonts\"\n        shim[\"vfsfonts\"] = {\"deps\": [\"datatables.net\"]}\n\n    if extensions.responsive:\n        libs[\"datatables.responsive\"] = (\n            \"https:\/\/cdn.datatables.net\/\" \"responsive\/2.2.2\/js\/dataTables.responsive.min\"\n        )  # Responsive\n\n    if extensions.scroller:\n        libs[\"datatables.scroller\"] = (\n            \"https:\/\/cdn.datatables.net\/\" \"scroller\/2.0.0\/js\/dataTables.scroller.min\"\n        )  # Scroll\n\n    if extensions.select:\n        libs[\"datatables.select\"] = (\n            \"https:\/\/cdn.datatables.net\/\" \"select\/1.3.0\/js\/dataTables.select.min\"\n        )  # Select\n\n    require.config(paths=libs, shim=shim)\n\n    # link stylesheets\n    link_css(\n        \"https:\/\/cdn.datatables.net\/v\/dt\/\"\n        \"dt-1.10.18\/\"  # DataTables\n        \"af-2.3.3\/\"  # AutoFill\n        \"b-1.5.6\/\"  # Buttons\n        \"b-colvis-1.5.6\/\"  # Buttons - 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{"nwo":"CermakM\/jupyter-datatables","sha":"59b4880f926caaecb862477f3f1c2e7bbebb4939","path":"jupyter_datatables\/__init__.py","language":"python","identifier":"_repr_datatable_","parameters":"(self, options: dict = None, classes: list = None)","argument_list":"","return_statement":"return f\"\"\"\n    (function() {{\n        const sample_size = Number({sample_size}).toLocaleString();\n        const adjusted = Boolean('{adjusted}' == 'True')\n\n        const total = Number({len(self)}).toLocaleString();\n\n        element.append($('<p>').text(\n            `Sample size: ${{sample_size}} out of ${{total}} ${{ adjusted ? \"(adjusted)\" : \"\" }}`));\n    }}());\n    \"\"\"","docstring":"Return DataTable representation of pandas DataFrame.","docstring_summary":"Return DataTable representation of pandas DataFrame.","docstring_tokens":["Return","DataTable","representation","of","pandas","DataFrame","."],"function":"def _repr_datatable_(self, options: dict = None, classes: list = None):\n    \"\"\"Return DataTable representation of pandas DataFrame.\"\"\"\n    if options is None:\n        options = {}\n        options.update({\n            k: v for k, v in config.defaults.options.__dict__.items()\n            if not k.startswith(\"_\")\n        })\n\n    # column types\n    options.update({'columnDefs': _get_columns_defs(self, options)})\n\n    # pop buttons, we need to use them separately\n    buttons = options.pop(\"buttons\", [])\n    classes = classes if classes is not None else \" \".join(\n        config.defaults.classes)\n\n    script = \"\"\"\n    const settings = await appendDataTable(`$$html`, $$options, $$buttons, element);\n\n    console.debug(\"DataTable successfully created.\");\n    \"\"\"\n\n    df = self\n    sample_size = config.defaults.sample_size or len(self)\n\n    if sample_size > len(df):\n        raise ValueError(\n            f\"Sample size cannot be larger than length of the table: {sample_size} > {len(df)}\"\n        )\n\n    adjusted = False\n\n    if config.defaults.limit is not None:\n        n = len(self)\n\n        # compute the sample size, it will be used for the data preview\n        # to speed up computation\n        if len(self) > config.defaults.limit:\n            sample_size = getattr(config.defaults, 'sample_size', None) or min([\n                n, _calculate_sample_size(n)\n            ])\n\n        idx = []\n        # get 5% of extremes from each column to account for outliers in the sample\n        # (if applicable)\n        fraction = math.ceil(sample_size * 0.05)\n        for col in self.columns:\n            if self[col].dtype != \"O\":\n                # for comfortable preview, take the first 10 samples (if applicable)\n                idx.extend(self.index[:min(len(self), 10, sample_size)])\n                idx.extend(self.nlargest(fraction, col).index)\n                idx.extend(self.nsmallest(fraction, col).index)\n\n        idx = set(idx)\n        random_index = self.index.difference(idx)\n 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          \"dt-toolbar\",\n            \"dt-tooltips\",\n            \"jupyter-datatables\"\n        ],\n        html=html,\n        options=json.dumps(options),\n        buttons=buttons,\n    )\n\n    # return script which links the scrollbars event after save\n    safe_script = \"\"\"\n    setTimeout(() => {\n        const table_id = '$$table_id';\n        const table    = $(`#${table_id}_wrapper`);\n        \n        let scrollHead = table.find('div.dataTables_scrollHead');\n        let scrollBody = table.find('div.dataTables_scrollBody');\n        \n        $(scrollBody).on(\n            'scroll',\n            (e) => {\n                scrollHead.scrollLeft(scrollBody.scrollLeft());\n            },\n        );\n    }, 200);\n    \"\"\"\n\n    safe_execute(safe_script, table_id=digest)\n\n    return f\"\"\"\n    (function() {{\n        const sample_size = Number({sample_size}).toLocaleString();\n        const adjusted = Boolean('{adjusted}' == 'True')\n\n        const total = 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}}());\n    \"\"\""],"url":"https:\/\/github.com\/CermakM\/jupyter-datatables\/blob\/59b4880f926caaecb862477f3f1c2e7bbebb4939\/jupyter_datatables\/__init__.py#L231-L362"}
{"nwo":"CermakM\/jupyter-datatables","sha":"59b4880f926caaecb862477f3f1c2e7bbebb4939","path":"jupyter_datatables\/__init__.py","language":"python","identifier":"_get_columns_defs","parameters":"(df: pd.DataFrame, options: dict = None)","argument_list":"","return_statement":"return col_defs","docstring":"Create column defs to be used by DataTable constructor.","docstring_summary":"Create column defs to be used by DataTable constructor.","docstring_tokens":["Create","column","defs","to","be","used","by","DataTable","constructor","."],"function":"def _get_columns_defs(df: pd.DataFrame, options: dict = None):\n    \"\"\"Create column defs to be used by DataTable constructor.\"\"\"\n    options = options or {}\n\n    idx_cols = df.index.names\n    col_defs = list(options.get('columnDefs', []))\n\n    for i, dtype in enumerate(map(str, df.dtypes)):\n        col_idx = i + len(idx_cols)\n        col_def = {}\n\n        append = True\n        for d in col_defs:\n            if d.get('targets', None) == col_idx:\n                append = False\n                col_def = d\n                break\n\n        col_def.update(type=dtype, targets=col_idx)\n        if append:\n            col_defs.append(col_def)\n\n    return col_defs","function_tokens":["def","_get_columns_defs","(","df",":","pd",".","DataFrame",",","options",":","dict","=","None",")",":","options","=","options","or","{","}","idx_cols","=","df",".","index",".","names","col_defs","=","list","(","options",".","get","(","'columnDefs'",",","[","]",")",")","for","i",",","dtype","in","enumerate","(","map","(","str",",","df",".","dtypes",")",")",":","col_idx","=","i","+","len","(","idx_cols",")","col_def","=","{","}","append","=","True","for","d","in","col_defs",":","if","d",".","get","(","'targets'",",","None",")","==","col_idx",":","append","=","False","col_def","=","d","break","col_def",".","update","(","type","=","dtype",",","targets","=","col_idx",")","if","append",":","col_defs",".","append","(","col_def",")","return","col_defs"],"url":"https:\/\/github.com\/CermakM\/jupyter-datatables\/blob\/59b4880f926caaecb862477f3f1c2e7bbebb4939\/jupyter_datatables\/__init__.py#L365-L387"}
{"nwo":"CermakM\/jupyter-datatables","sha":"59b4880f926caaecb862477f3f1c2e7bbebb4939","path":"jupyter_datatables\/__init__.py","language":"python","identifier":"_calculate_sample_size","parameters":"(n, ci: float = 0.975, e: float = 0.02, p: float = 0.5)","argument_list":"","return_statement":"return _smart_ceil(u \/ (1 + u * math.pow(n, -1)))","docstring":"Calculate representative sample size.\n\n    :param ci: float, confidence interval, default = 0.975\n    :param e: float, margin of error, default = 0.02\n    :param p: float, population proportion, default = 0.5","docstring_summary":"Calculate representative sample size.","docstring_tokens":["Calculate","representative","sample","size","."],"function":"def _calculate_sample_size(n, ci: float = 0.975, e: float = 0.02, p: float = 0.5) -> int:\n    \"\"\"Calculate representative sample size.\n\n    :param ci: float, confidence interval, default = 0.975\n    :param e: float, margin of error, default = 0.02\n    :param p: float, population proportion, default = 0.5\n    \"\"\"\n    try:\n        from scipy import stats as st\n    except ImportError:\n        return math.sqrt(n)\n\n    z = st.norm.ppf(1 - (1 - ci) \/ 2)\n    u = z**2 * p * (1 - p) \/ e**2\n\n    return _smart_ceil(u \/ (1 + u * math.pow(n, -1)))","function_tokens":["def","_calculate_sample_size","(","n",",","ci",":","float","=","0.975",",","e",":","float","=","0.02",",","p",":","float","=","0.5",")","->","int",":","try",":","from","scipy","import","stats","as","st","except","ImportError",":","return","math",".","sqrt","(","n",")","z","=","st",".","norm",".","ppf","(","1","-","(","1","-","ci",")","\/","2",")","u","=","z","**","2","*","p","*","(","1","-","p",")","\/","e","**","2","return","_smart_ceil","(","u","\/","(","1","+","u","*","math",".","pow","(","n",",","-","1",")",")",")"],"url":"https:\/\/github.com\/CermakM\/jupyter-datatables\/blob\/59b4880f926caaecb862477f3f1c2e7bbebb4939\/jupyter_datatables\/__init__.py#L390-L405"}
{"nwo":"CermakM\/jupyter-datatables","sha":"59b4880f926caaecb862477f3f1c2e7bbebb4939","path":"jupyter_datatables\/__init__.py","language":"python","identifier":"_smart_ceil","parameters":"(x: typing.Union[int, float], order: int = None)","argument_list":"","return_statement":"return int(x if x % mod == 0 else x + mod - x % mod)","docstring":"Smart ceil to the nearest round integer.\n\n    The 'nearest' is chosen based on the order of the given number","docstring_summary":"Smart ceil to the nearest round integer.","docstring_tokens":["Smart","ceil","to","the","nearest","round","integer","."],"function":"def _smart_ceil(x: typing.Union[int, float], order: int = None) -> int:\n    \"\"\"Smart ceil to the nearest round integer.\n\n    The 'nearest' is chosen based on the order of the given number\n    \"\"\"\n    order = int(order) if order else len(str(math.ceil(x)))\n    if order <= 0:\n        raise ValueError(\"`order` must be integer >= 0\")\n    mod = math.pow(10, min([order, 3]))\n\n    return int(x if x % mod == 0 else x + mod - x % mod)","function_tokens":["def","_smart_ceil","(","x",":","typing",".","Union","[","int",",","float","]",",","order",":","int","=","None",")","->","int",":","order","=","int","(","order",")","if","order","else","len","(","str","(","math",".","ceil","(","x",")",")",")","if","order","<=","0",":","raise","ValueError","(","\"`order` must be integer >= 0\"",")","mod","=","math",".","pow","(","10",",","min","(","[","order",",","3","]",")",")","return","int","(","x","if","x","%","mod","==","0","else","x","+","mod","-","x","%","mod",")"],"url":"https:\/\/github.com\/CermakM\/jupyter-datatables\/blob\/59b4880f926caaecb862477f3f1c2e7bbebb4939\/jupyter_datatables\/__init__.py#L408-L418"}