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How to use _format_checks method in pandera

Best Python code snippet using pandera_python

io.py

Source:io.py

...268)269MULTIINDEX_TEMPLATE = """270MultiIndex(indexes=[{indexes}])271"""272def _format_checks(checks_dict):273    if checks_dict is None:274        return "None"275    checks = []276    for check_name, check_kwargs in checks_dict.items():277        if check_kwargs is None:278            warnings.warn(279                f"Check {check_name} cannot be serialized. "280                "This check will be ignored"281            )282        else:283            args = ", ".join(284                f"{k}={v.__repr__()}" for k, v in check_kwargs.items()285            )286            checks.append(f"Check.{check_name}({args})")287    return f"[{', '.join(checks)}]"288def _format_index(index_statistics):289    index = []290    for properties in index_statistics:291        dtype = properties.get("dtype")292        index_code = INDEX_TEMPLATE.format(293            dtype=f"{_get_qualified_name(dtype.__class__)}",294            checks=(295                "None"296                if properties["checks"] is None297                else _format_checks(properties["checks"])298            ),299            nullable=properties["nullable"],300            coerce=properties["coerce"],301            name=(302                "None"303                if properties["name"] is None304                else f"\"{properties['name']}\""305            ),306        )307        index.append(index_code.strip())308    if len(index) == 1:309        return index[0]310    return MULTIINDEX_TEMPLATE.format(indexes=",".join(index)).strip()311def _format_script(script):312    formatter = partial(black.format_str, mode=black.FileMode(line_length=80))313    return formatter(script)314def to_script(dataframe_schema, path_or_buf=None):315    """Write :class:`~pandera.schemas.DataFrameSchema` to a python script.316    :param dataframe_schema: schema to write to file or dump to string.317    :param path_or_buf: filepath or buf stream to write to. If None, outputs318        string representation of the script.319    :returns: yaml string if stream is None, otherwise returns None.320    """321    statistics = get_dataframe_schema_statistics(dataframe_schema)322    columns = {}323    for colname, properties in statistics["columns"].items():324        dtype = properties.get("dtype")325        column_code = COLUMN_TEMPLATE.format(326            dtype=(327                None if dtype is None else _get_qualified_name(dtype.__class__)328            ),329            checks=_format_checks(properties["checks"]),330            nullable=properties["nullable"],331            unique=properties["unique"],332            coerce=properties["coerce"],333            required=properties["required"],334            regex=properties["regex"],335        )336        columns[colname] = column_code.strip()337    index = (338        None339        if statistics["index"] is None340        else _format_index(statistics["index"])341    )342    column_str = ", ".join(f"'{k}': {v}" for k, v in columns.items())343    script = SCRIPT_TEMPLATE.format(...

sdcard.py

Source:sdcard.py

...123        :exception DeviceException: When unable to mount.124        """125        126        self._sd.mount(directory)127    def _format_checks(self):128        if self._sd.exists is False:129            raise SDCardInstallerError('No disk on %s' % self._sd.name)130        if self._sd.is_mounted:131            if self._interactive:132                ret = self._sd.confirmed_unmount()133                if ret is False:134                    raise SDCardInstallerError('User canceled')135            else:136                self._sd.unmount()137        if  self._sd.size_cyl == 0:138            raise SDCardInstallerError('%s size is 0' % self._sd.name)139        if self._sd.size_cyl < self._sd.min_cyl_size():140            raise SDCardInstallerError('Size of partitions is too large to '141                                       'fit in %s' % self._sd.name)142        143    def _format_confirms(self):144        if self._sd.confirm_size_gb(WARN_DEVICE_SIZE_GB) is False:145            raise SDCardInstallerError('User canceled')146        msg = ('You are about to repartition %s (all your data will be lost)' 147               % self._sd.name)148        confirmed = self._e.prompt_user(msg, WARN_COLOR)149        if not confirmed:150            raise SDCardInstallerError('User canceled')151        152    def format(self):153        """154        Creates and formats the partitions in the SD card.155        156        :returns: Returns true on success; false otherwise.157        :exception DeviceException: On failure formatting the device.158        :exception SDCardInstallerError: On failure executing this action. 159        """160        161        if not self.dryrun:162            self._format_checks()163        if self._interactive:164            self._format_confirms()165        self._l.info('Formatting %s (this may take a while)' % self._sd.name)166        self._sd.wipe_bootloader_env()167        self._sd.create_partitions()168        self._sd.format_partitions()169    def release(self):170        """171        Unmounts all partitions and release the given device.172        173        :exception DeviceException: On failure releasing the device.174        """175        176        self._sd.unmount()...

usb.py

Source:usb.py

...146        :exception DeviceException: When unable to mount.147        """148        149        self._usb.mount(directory)150    def _format_checks(self):151        if self._usb.exists is False:152            raise USBInstallerError('No disk on %s' % self._usb.name)153        if self._usb.is_mounted:154            if self._interactive:155                ret = self._usb.confirmed_unmount()156                if ret is False:157                    raise USBInstallerError('User canceled')158            else:159                self._usb.unmount()160        if  self._usb.size_cyl == 0:161            raise USBInstallerError('%s size is 0' % self._usb.name)162        if self._usb.size_cyl < self._usb.min_cyl_size():163            raise USBInstallerError('Size of partitions is too large to '164                                       'fit in %s' % self._usb.name)165        166    def _format_confirms(self):167        if self._usb.confirm_size_gb(WARN_DEVICE_SIZE_GB) is False:168            raise USBInstallerError('User canceled')169        msg = ('You are about to repartition %s (all your data will be lost)' 170               % self._usb.name)171        confirmed = self._e.prompt_user(msg, WARN_COLOR)172        if not confirmed:173            raise USBInstallerError('User canceled')174        175    def format(self):176        """177        Creates and formats the partitions in the SD card.178        179        :returns: Returns true on success; false otherwise.180        :exception DeviceException: On failure formatting the device.181        :exception USBInstallerError: On failure executing this action. 182        """183        184        if not self.dryrun:185            self._format_checks()186        if self._interactive:187            self._format_confirms()188        self._l.info('Formatting %s (this may take a while)' % self._usb.name)189        self._usb.create_partitions()190        self._usb.format_partitions()191    def release(self):192        """193        Unmounts all partitions and release the given device.194        195        :exception DeviceException: On failure releasing the device.196        """197        198        self._usb.unmount()199        self._usb.optimize_filesystems()...

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