How to use _parse_map method in localstack

Best Python code snippet using localstack_python

parser.py

Source:parser.py

...24    for e in element.iterfind(query):25        lib = Library.from_et(e)26        result[lib.ref] = lib27    return result28def _parse_map(element: Element, query: str, parser: Callable[[Element], T]) \29        -> Dict[str, T]:30    return {e.attrib['name']: parser(e) for e in element.iterfind(query)}31def _text_at(element: Element, query: str, none_ok: bool=True) \32        -> Optional[str]:33    found = element.find(query)34    if found is None:35        if none_ok:36            return None37        raise ValueError('Element not found for query {!r}'.format(query))38    return found.text39class Board:40    @classmethod41    def from_et(cls, element: Element) -> 'Board':42        raise NotImplementedError()43class Technology:44    def __init__(self, name: str, attributes: Dict[str, str]) -> None:45        self.name = name46        self.attributes = attributes47    @classmethod48    def from_et(cls, element: Element) -> 'Technology':49        name = element.attrib['name']50        attributes = _parse_map(element, './attribute',51                                lambda e: e.attrib['value'])52        return cls(name, attributes)53class Variant:54    def __init__(self, name: str, package: Optional[str],55                 technologies: Dict[str, Technology]) -> None:56        self.name = name57        self.package = package58        self.technologies = technologies59    @classmethod60    def from_et(cls, element: Element) -> 'Variant':61        name = element.attrib['name']62        package = element.attrib.get('package')63        techs = _parse_map(element, './technologies/technology',64                           Technology.from_et)65        return cls(name, package, techs)66class Device:67    def __init__(self, name: str, prefix: str, uservalue: bool,68                 description: Optional[str], gates: Dict[str, Element],69                 variants: Dict[str, Variant]) -> None:70        self.name = name71        self.prefix = prefix72        self.uservalue = uservalue73        self.description = description74        self.gates = gates75        self.variants = variants76    @classmethod77    def from_et(cls, element: Element) -> 'Device':78        name = element.attrib['name']79        prefix = element.attrib.get('prefix', '')80        uservalue = _parse_bool(element.attrib.get('uservalue', 'no'))81        description = _text_at(element, './description')82        gates = _parse_map(element, './gates/gate', lambda e: e)83        variants = {}84        for var_elt in element.iterfind('./devices/device'):85            var_name = var_elt.attrib.get('name', '')86            variants[var_name] = Variant.from_et(var_elt)87        return cls(name, prefix, uservalue, description, gates, variants)88class Library:89    def __init__(self, name: Optional[str], urn: str,90                 description: Optional[str],91                 packages: Dict[str, Element],92                 symbols: Dict[str, Element],93                 devices: Dict[str, Device]) -> None:94        self.name = name95        self.urn = urn96        self.description = description97        self.packages = packages98        self.symbols = symbols99        self.devices = devices100    @classmethod101    def from_et(cls, element: Element) -> 'Library':102        # Per DTD, name is only present within board/schematic files103        name = element.attrib.get('name')104        urn = element.attrib.get('urn', '')105        description = _text_at(element, './description')106        packages = _parse_map(element, './packages/package', lambda e: e)107        symbols = _parse_map(element, './symbols/symbol', lambda e: e)108        devices = _parse_map(element, './devicesets/deviceset',109                             Device.from_et)110        return cls(name, urn, description, packages, symbols, devices)111    @property112    def ref(self) -> LibraryRef:113        if self.name is None:114            raise AttributeError("Can't get ref of Library with no name")115        return LibraryRef(self.name, self.urn)116class Part:117    def __init__(self, name: str, library: str, library_urn: str, device: str,118                 variant: str, technology: str, value: Optional[str],119                 attributes: Dict[str, str]) -> None:120        self.name = name121        self.library = library122        self.library_urn = library_urn123        self.device = device124        self.variant = variant125        self.technology = technology126        self.value = value127        self.attributes = attributes128    @classmethod129    def from_et(cls, element: Element) -> 'Part':130        name = element.attrib['name']131        library = element.attrib['library']132        library_urn = element.attrib.get('library_urn', '')133        device = element.attrib['deviceset']134        variant = element.attrib['device']135        technology = element.attrib.get('technology', '')136        value = element.attrib.get('value')137        attributes = _parse_map(element, './attribute',138                                lambda e: e.attrib['value'])139        return cls(name, library, library_urn, device, variant, technology,140                   value, attributes)141    @property142    def library_ref(self) -> LibraryRef:143        return LibraryRef(self.library, self.library_urn)144class Schematic:145    def __init__(self, description: Optional[str],146                 libraries: Dict[LibraryRef, Library],147                 parts: Dict[str, Part]) -> None:148        self.description = description149        self.libraries = libraries150        self.parts = parts151    @classmethod152    def from_et(cls, element: Element) -> 'Schematic':153        description = _text_at(element, './description')154        libraries = _parse_library_map(element, './libraries/library')155        parts = _parse_map(element, './parts/part', Part.from_et)156        return cls(description, libraries, parts)157def load_file(source: TextIO) -> Tuple[str, ElementTree, Element]:158    et = parse_xml_et(source)159    if et.getroot().tag != 'eagle':160        raise ValueError('Not an EAGLE file')161    board = et.find('./drawing/board')162    if board:163        return 'board', et, board164    library = et.find('./drawing/library')165    if library:166        return 'library', et, library167    schematic = et.find('./drawing/schematic')168    if schematic:169        return 'schematic', et, schematic...

wps.py

Source:wps.py

1# Hastily made script to read WPS intermediate files2from __future__ import print_function3import struct4import numpy as np5# Number of bytes used at the start and end of a fortran record to6# indicate the record size7SIZE_BYTES = 48class WPSData(object):9    def __init__(self, ifv=None, hdate=None, xfcst=None, map_source=None,10                 field=None, units=None, desc=None, xlvl=None, nx=None,11                 ny=None, iproj=None, startloc=None, startlat=None,12                 startlon=None, deltalat=None, deltalon=None, nlats=None,13                 dx=None, dy=None, xlonc=None, truelat1=None, truelat2=None,14                 earth_radius=None, is_wind_earth_rel=None, slab=None):15        self.ifv = ifv16        self.hdate = hdate17        self.xfcst = xfcst18        self.map_source = map_source19        self.field = field20        self.units = units21        self.desc = desc22        self.xlvl = xlvl23        self.nx = nx24        self.ny = ny25        self.iproj = iproj26        self.startloc = startloc27        self.startlat = startlat28        self.startlon = startlon29        self.deltalat = deltalat30        self.deltalon = deltalon31        self.nlats = nlats32        self.dx = dx33        self.dy = dy34        self.xlonc = xlonc35        self.truelat1 = truelat136        self.truelat2 = truelat237        self.earth_radius = earth_radius38        self.is_wind_earth_rel = is_wind_earth_rel39        self.slab = slab40def _parse_record1(data):41    result = {}42    result["ifv"] = struct.unpack(">i", data)43    return result44def _parse_record2(data):45    result = {}46    parsed = struct.unpack(">24sf32s9s25s46sfiii", data)47    result["hdate"] = parsed[0]48    result["xfcst"] = parsed[1]49    result["map_source"] = parsed[2]50    result["field"] = parsed[3]51    result["units"] = parsed[4]52    result["desc"] = parsed[5]53    result["xlvl"] = parsed[6]54    result["nx"] = parsed[7]55    result["ny"] = parsed[8]56    result["iproj"] = parsed[9]57    return result58def _parse_record3(data, iproj):59    result = {}60    if iproj == 0:61        fmt = ">8sfffff"62        parsed = struct.unpack(fmt, data)63        result["startloc"] = parsed[0]64        result["startlat"] = parsed[1]65        result["startlon"] = parsed[2]66        result["deltalat"] = parsed[3]67        result["deltalon"] = parsed[4]68        result["earth_radius"] = parsed[5]69    elif iproj == 1:70        fmt = ">8sffffff"71        parsed = struct.unpack(fmt, data)72        result["startloc"] = parsed[0]73        result["startlat"] = parsed[1]74        result["startlon"] = parsed[2]75        result["dx"] = parsed[3]76        result["dy"] = parsed[4]77        result["truelat1"] = parsed[5]78        result["earth_radius"] = parsed[6]79    elif iproj == 3:80        fmt = ">8sffffffff"81        parsed = struct.unpack(fmt, data)82        result["startloc"] = parsed[0]83        result["startlat"] = parsed[1]84        result["startlon"] = parsed[2]85        result["dx"] = parsed[3]86        result["dy"] = parsed[4]87        result["xlonc"] = parsed[5]88        result["truelat1"] = parsed[6]89        result["truelat2"] = parsed[7]90        result["earth_radius"] = parsed[8]91    elif iproj == 4:92        fmt = ">8sfffff"93        parsed = struct.unpack(fmt, data)94        result["startloc"] = parsed[0]95        result["startlat"] = parsed[1]96        result["startlon"] = parsed[2]97        result["nlats"] = parsed[3]98        result["deltalon"] = parsed[4]99        result["earth_radius"] = parsed[5]100    elif iproj == 5:101        fmt = ">8sfffffff"102        parsed = struct.unpack(fmt, data)103        result["startloc"] = parsed[0]104        result["startlat"] = parsed[1]105        result["startlon"] = parsed[2]106        result["dx"] = parsed[3]107        result["dy"] = parsed[4]108        result["xlonc"] = parsed[5]109        result["truelat1"] = parsed[6]110        result["earth_radius"] = parsed[7]111    return result112def _parse_record4(data):113    result = {}114    result["is_wind_earth_rel"] = struct.unpack(">i", data)115    return result116def _parse_record5(data, nx, ny):117    result = {}118    size = nx * ny119    fmt = ">{}f".format(size)120    parsed = struct.unpack(fmt, data)121    arr = np.array(parsed, dtype=np.float32)122    result["slab"] = arr.reshape((nx, ny), order="F")123    return result124_PARSE_MAP = {0: _parse_record1,125              1: _parse_record2,126              2: _parse_record3,127              3: _parse_record4,128              4: _parse_record5}129def parse_record(record_idx, data, iproj=None, nx=None, ny=None):130    if record_idx == 0 or record_idx == 1 or record_idx == 3:131        return _PARSE_MAP[record_idx](data)132    elif record_idx == 2:133        return _PARSE_MAP[record_idx](data, iproj)134    elif record_idx == 4:135        return _PARSE_MAP[record_idx](data, nx, ny)136def read_wps(wps_file, field=None):137    with open(wps_file, "rb") as f:138        wps_params = {}139        record_list = []140        raw_data = f.read()141        record_size_idx = 0142        end_of_file_idx = len(raw_data) - 1143        while True:144            iproj = None145            nx = None146            ny = None147            keep_record = True148            for record_idx in range(5):149                # Each record has the size (in SIZE_BYTES bytes) at the150                # start and end of each record.  This might be compiler151                # dependent though, so this might need to be modified.152                # Also, the WPS files are stored big endian.153                record_size = struct.unpack(154                    ">i",155                    raw_data[record_size_idx: record_size_idx + SIZE_BYTES])156                record_start = record_size_idx + SIZE_BYTES157                record_end = record_start + record_size[0]158                record_data = raw_data[record_start:record_end]159                parsed_record = parse_record(record_idx, record_data, iproj,160                                             nx, ny)161                try:162                    field_name = parsed_record["field"].strip()163                except KeyError:164                    pass165                else:166                    if field is not None:167                        if field_name != field:168                            keep_record = False169                try:170                    iproj = parsed_record["iproj"]171                except KeyError:172                    pass173                try:174                    nx = parsed_record["nx"]175                except KeyError:176                    pass177                try:178                    ny = parsed_record["ny"]179                except KeyError:180                    pass181                wps_params.update(parsed_record)182                record_size_idx = record_end + SIZE_BYTES183            if keep_record:184                record_list.append(WPSData(**wps_params))185            # Repeat for all record slabs186            if record_end + SIZE_BYTES > end_of_file_idx:187                break...

body_parser.py

Source:body_parser.py

1#!/usr/bin/env python2__author__ = 'SLZ'3import json4def get_parser(file_type):5    return _parse_map.get(file_type,_default_parser)6_parse_map= {}7def _default_parser(data_in_bytes):8    return data_in_bytes9def _parse_to_json(data_in_bytes,encoding='utf-8'):10    return json.loads(data_in_bytes.decode(encoding))...

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