How to use is_not_iterable method in assertpy

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matprop.py

Source:matprop.py

1# -*- coding: utf-8 -*-2"""3Created on Mon Sep 18 08:27:22 201745@author: Jaywan Chung6"""78import numpy as np9from scipy.interpolate import interp1d1011from .measured import Measured121314class MatProp:15    """Manage Material Properties (TEPs).1617    The class is initialized by property name, metric unit, and the raw data.18    """1920    INTERP_LINEAR = 'linear_wo_extrap'21    OPT_INTERP = 'interp'22    OPT_EXTEND_LEFT_TO = 'extend_left_to'23    OPT_EXTEND_RIGHT_TO = 'extend_right_to'24    OPT_EXTEND_LEFT_BY = 'extend_left_by'25    OPT_EXTEND_RIGHT_BY = 'extend_right_by'26    default_interp_opt = {OPT_INTERP:INTERP_LINEAR,27                          OPT_EXTEND_LEFT_TO:None,28                          OPT_EXTEND_RIGHT_TO:None,29                          OPT_EXTEND_LEFT_BY:None,30                          OPT_EXTEND_RIGHT_BY:None}31    32    def __init__(self,names,units,raw_data,\33                 interp_opt=default_interp_opt):34        if len(names) != len(units):35            raise ValueError("'names' and 'units' arguments must have the same lengths.")36            37        self.__names = tuple(names)38        self.__units = tuple(units)39        self.__raw_data = tuple( [tuple(item) for item in raw_data] )40        self.set_interp_opt(interp_opt)4142        pass43    44    def __call__(self,xs):45        xs = to_real_values(xs,self.__units[:-1])46        return self.__interp_func(xs)47        pass48    49    def __repr__(self):50        repr_str  = 'MatProp(names=' + str(self.__names) + ',\n\t'51        repr_str += 'units=' + str(self.__units) + ',\n\t'52        repr_str += 'raw_data=' + str(self.__raw_data) + ',\n\t'53        repr_str += "interp_opt=" + str(self.__interp_opt) +")"54        return repr_str55    56    def set_interp_opt(self,interp_opt):57        if len(self.__names) == 2:58            x = np.array([item[0] for item in self.__raw_data])59            y = np.array([item[1] for item in self.__raw_data])60            x_at_left_end = np.min(x)61            x_at_right_end = np.max(x)62            y_at_left_end = y[np.argmin(x)]63            y_at_right_end = y[np.argmax(x)]64            if interp_opt.get(MatProp.OPT_EXTEND_LEFT_TO) is not None:65                extended_left_x = interp_opt[MatProp.OPT_EXTEND_LEFT_TO]66                x = np.append(x,[extended_left_x])67                y = np.append(y,[y_at_left_end])68            elif interp_opt.get(MatProp.OPT_EXTEND_LEFT_BY) is not None:69                extended_left_x = x_at_left_end - interp_opt[MatProp.OPT_EXTEND_LEFT_BY]70                x = np.append(x,[extended_left_x])71                y = np.append(y,[y_at_left_end])72            if interp_opt.get(MatProp.OPT_EXTEND_RIGHT_TO) is not None:73                extended_right_x = interp_opt[MatProp.OPT_EXTEND_RIGHT_TO]74                x = np.append(x,[extended_right_x])75                y = np.append(y,[y_at_right_end])76            elif interp_opt.get(MatProp.OPT_EXTEND_RIGHT_BY) is not None:77                extended_right_x = x_at_right_end + interp_opt[MatProp.OPT_EXTEND_RIGHT_BY]78                x = np.append(x,[extended_right_x])79                y = np.append(y,[y_at_right_end])8081            if interp_opt[MatProp.OPT_INTERP] == MatProp.INTERP_LINEAR:82                x = tuple( x )83                y = tuple( y )84                #self.__interp_func = interp1d(x,y,kind='linear')85                self.__interp_func = interp1d(x,y,kind='linear')86            else:87                raise ValueError("Invalid interpolation method.")88        else:89            raise ValueError("Sorry we do not support 2D or more dimensions for now.")90        self.__interp_opt = interp_opt.copy()            91    92    def unit(self):   # unit of the output material property93        return self.__units[-1]94    95    def input_units(self):96        return self.__units[:-1]97    98    def names(self):99        return self.__names100    101    def units(self):102        return self.__units103    104    def raw_data(self):105        return self.__raw_data106    107    def raw_input(self,col=0):108        result = []109        for row in self.__raw_data:110            result.append(row[col])111        return tuple(result)112    113    def raw_output(self):114        return self.raw_input(col=-1)115    116    def raw_interval(self,col=0):117        raw = self.raw_input(col)118        return (min(raw), max(raw))119    120    def has_structure(self,names,units):121        if list(names) == list(self.__names):122            if list(units) == list(self.__units):123                return True124        else:125            return False126        127    def to_units(self,new_units):128        rows = self.__raw_data129        units = self.__units130        # compute new raw_data131        is_not_iterable = False132        try:133            _ = iter(rows)134        except TypeError:135            # not a iterable136            rows = (rows,)137            is_not_iterable = True138        try:139            _ = iter(units)140        except TypeError:141            units = (units,)142        result = []143        for row in rows:144            row_item = []145            is_a_single_xp = False146            try:147                _ = iter(row)148            except TypeError:149                row = (row,)150                is_a_single_xp = True151            for idx,col in enumerate(row):152                prev_unit = units[idx]153                new_unit = new_units[idx]154                # exception handling: temperature conversion155                temperature = ['K','degC','Â°C','degF','Â°F']156                if (prev_unit in temperature) and (new_unit in temperature):157                    if isinstance(col,Measured):158                        col = col.value159                    col = temperature_conversion(col,prev_unit,new_unit)160                    prev_unit = new_unit161                # usual cases162                if isinstance(col,Measured):163                    col = col.to(new_unit).drop_zero_exponent().value  # unit conversion164                else:165                    col = Measured(col,prev_unit).to(new_unit).drop_zero_exponent().value166                row_item.append(float(col))167            if is_a_single_xp:168                result.append(row_item[0])169            else:170                result.append(tuple(row_item))171        if is_not_iterable:172            result = result[0]173        else:174            result = tuple(result)175        # return the result as a MatProp176        return MatProp(self.__names,new_units,result,interp_opt=self.__interp_opt)177        178    179def to_real_values(xs,units):180    is_not_iterable = False181    try:182        _ = iter(xs)183    except TypeError:184        # not a iterable185        xs = (xs,)186        is_not_iterable = True187    try:188        _ = iter(units)189    except TypeError:190        units = (units,)191    result = []192    for row in xs:193        row_item = []194        is_a_single_xp = False195        try:196            _ = iter(row)197        except TypeError:198            row = (row,)199            is_a_single_xp = True200        for idx,col in enumerate(row):201            default_unit = units[idx]202            if isinstance(col,Measured):203                col = col.to(default_unit).drop_zero_exponent().value  # unit conversion204            row_item.append(float(col))205        if is_a_single_xp:206            result.append(row_item[0])207        else:208            result.append(tuple(row_item))209    if is_not_iterable:210        result = result[0]211    else:212        result = tuple(result)213    return result214215216def temperature_conversion(value,unit,new_unit):217    if unit in ['degF','Â°F']:218        if new_unit in ['degF','Â°F']:219            return value220        elif new_unit in ['degC','Â°F']:221            return (value-32)*5/9222        elif new_unit == 'K':223            return (value-32)*5/9+273.15224    elif unit in ['degC','Â°C']:225        if new_unit in ['degF','Â°F']:226            return (value*9/5)+32227        elif new_unit in ['degC','Â°C']:228            return value229        elif new_unit == 'K':230            return value+273.15231    elif unit == 'K':232        if new_unit in ['degF','Â°F']:233            return (value-273.15)*9/5+32234        elif new_unit in ['degC','Â°C']:235            return value-273.15236        elif new_unit == 'K':237            return value
...

request_objects.py

Source:request_objects.py

...22        invalid_req = InvalidRequestObject()23        if is_empty(input_dict):24            invalid_req.add_error('command', 'Empty dict')25            return invalid_req26        if is_not_iterable(input_dict):27            invalid_req.add_error('command', 'Is not iterable')28            return invalid_req29        if cls.__is_incomplete(input_dict):30            invalid_req.add_error('command', 'Is incomplete')31            return invalid_req32        if amount_is_negative(input_dict):33            invalid_req.add_error('command: amount', 'Is negative')34            return invalid_req35        return OrderPlaceMktRequestObject(command=input_dict.get('command', None))36    def __is_incomplete(input_dict):37        return not all(k in input_dict['command'] for k in ("stock_name", "amount"))38    def __nonzero__(self):39        return True40class OrderPlaceLmtRequestObject(ValidRequestObject):41    """Request object corresponding to BUY/SELL LMT command42    Arguments:43        command(dict): Dictionary with BUY/SELL LMT command info44    """45    def __init__(self, command):46        self.command = command47    @classmethod48    def from_dict(cls, input_dict):49        """Generate request from BUY/SELL LMT command dictionary50        Arguments:51            input_dict(dict): BUY/SELL LMT command dictionary with command info52        Returns:53            OrderPlaceLmtRequestObject: Valid request object iff command is correct54            InvalidRequestObject: Invalid request iff command is incorrect55        """56        invalid_req = InvalidRequestObject()57        if is_empty(input_dict):58            invalid_req.add_error('command', 'Empty dict')59            return invalid_req60        if is_not_iterable(input_dict):61            invalid_req.add_error('command', 'Is not iterable')62            return invalid_req63        if cls.__is_incomplete(input_dict):64            invalid_req.add_error('command', 'Is incomplete')65            return invalid_req66        if price_is_negative(input_dict):67            invalid_req.add_error('command: price', 'Is negative')68            return invalid_req69        if amount_is_negative(input_dict):70            invalid_req.add_error('command: amount', 'Is negative')71            return invalid_req72        return OrderPlaceLmtRequestObject(command=input_dict.get('command', None))73    def __is_incomplete(input_dict):74        return not all(k in input_dict['command'] for k in ("stock_name",75                                                            "price",76                                                            "amount"))77    def __nonzero__(self):78        return True79class OrderViewRequestObject(ValidRequestObject):80    """Request object corresponding to VIEW ORDERS command81    Arguments:82        command(dict): Dictionary with VIEW ORDERS command info83    """84    def __init__(self, command):85        self.command = command86    @classmethod87    def from_dict(cls, input_dict):88        """Generate request from VIEW ORDERS command dictionary89        Arguments:90            input_dict(dict): VIEW ORDERS command dictionary with command info91        Returns:92            OrderViewRequestObject: Valid request object iff command is correct93            InvalidRequestObject: Invalid request iff command is incorrect94        """95        invalid_req = InvalidRequestObject()96        if cls.__is_empty(input_dict):97            invalid_req.add_error('command', 'Empty dict')98            return invalid_req99        if cls.__is_not_iterable(input_dict):100            invalid_req.add_error('command', 'Is not iterable')101            return invalid_req102        if cls.__wrong_command(input_dict):103            invalid_req.add_error('command', 'Must be VIEW ORDERS')104            return invalid_req105        return OrderViewRequestObject(command=input_dict['command'])106    def __is_empty(input_dict):107        return 'command' not in input_dict.keys()108    def __is_not_iterable(input_dict):109        return ('command' in input_dict.keys()110                and not isinstance(input_dict, collections.Mapping))111    def __wrong_command(input_dict):112        return input_dict['command'] != "VIEW ORDERS"113    def __nonzero__(self):114        return True115class OrderQuoteRequestObject(ValidRequestObject):116    """Request object corresponding to QUOTE command117    Arguments:118        stock_name(str): Name of stock to quote119    """120    def __init__(self, stock_name):121        self.stock_name = stock_name122    @classmethod123    def from_dict(cls, input_dict):124        """Generate request from QUOTE command dictionary125        Arguments:126            input_dict(dict): QUOTE command dictionary with command info127        Returns:128            OrderPlaceLmtRequestObject: Valid request object iff command is correct129            InvalidRequestObject: Invalid request iff command is incorrect130        """131        invalid_req = InvalidRequestObject()132        if is_empty(input_dict):133            invalid_req.add_error('command', 'Empty dict')134            return invalid_req135        if is_not_iterable(input_dict):136            invalid_req.add_error('command', 'Is not iterable')137            return invalid_req138        if cls.__no_stock_name(input_dict):139            invalid_req.add_error('command', 'Stock name not defined')140            return invalid_req141        return OrderQuoteRequestObject(stock_name=input_dict['command']['stock_name'])142    def __no_stock_name(input_dict):143        return "stock_name" not in input_dict['command'].keys()144    def __nonzero__(self):145        return True146def is_empty(input_dict):147    return 'command' not in input_dict148def is_not_iterable(input_dict):149    return ('command' in input_dict150            and not isinstance(input_dict['command'], collections.Mapping))151def amount_is_negative(input_dict):152    return input_dict['command']['amount'] <= 0153def price_is_negative(input_dict):...

nesting_structure_comparison.py

Source:nesting_structure_comparison.py

1import collections2is_not_iterable = lambda e: not isinstance(e, collections.Iterable) or isinstance(e, type('string'))3is_iterable = lambda e: not is_not_iterable(e)4is_same_kind = lambda this, that: type(this) == type(that)5is_same_length = lambda this, that: len(this) == len(that)6def same_structure_as(this, that):7    if is_iterable(this) and is_iterable(that):8        return is_same_kind(this, that) and is_same_length(this, that) \9               and all(map(lambda x: same_structure_as(x[0], x[1]), zip(this, that)))...

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