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How to use py2to3 method in Robotframework
Best Python code snippet using robotframework
fields.py
Source:fields.py 
1# -*- coding: utf-8 -*-2import uuid3import decimal4from collections import Iterable5from aserializer.utils import py2to36from aserializer.fields.base import BaseSerializerField, IgnoreField, SerializerFieldValueError7from aserializer.fields import validators as v8class TypeField(BaseSerializerField):9 def __init__(self, name, fixed=False, validate=False, identity=True, *args, **kwargs):10 super(TypeField, self).__init__(*args, **kwargs)11 self.name = name12 self._initial_name = name13 self.identity = identity14 self.error_messages = {}15 self.should_validate = validate16 self.fixed = fixed17 self.has_default = self.has_default or self._initial_name is not None18 def validate(self):19 if self.should_validate:20 if self.name != self._initial_name:21 raise SerializerFieldValueError('Value is not {}.'.format(self._initial_name), field_names=self.names)22 def set_value(self, value):23 if not self.fixed:24 self.name = value25 def to_native(self):26 return py2to3._unicode(self.name)27 def to_python(self):28 return py2to3._unicode(self.name)29 def __set__(self, instance, value):30 pass31class IntegerField(BaseSerializerField):32 validators = [v.validate_integer, ]33 def __init__(self, max_value=None, min_value=None, *args, **kwargs):34 super(IntegerField, self).__init__(*args, **kwargs)35 if max_value is not None:36 self._validators.append(v.MaxValueValidator(max_value))37 if min_value is not None:38 self._validators.append(v.MinValueValidator(min_value))39 @staticmethod40 def to_int(value):41 if value in v.VALIDATORS_EMPTY_VALUES:42 return None43 return int(value)44 def _to_native(self):45 return self.to_int(self.value)46 def _to_python(self):47 return self.to_int(self.value)48class PositiveIntegerField(IntegerField):49 def __init__(self, max_value=None, *args, **kwargs):50 super(PositiveIntegerField, self).__init__(max_value=max_value, min_value=0, *args, **kwargs)51class FloatField(IntegerField):52 validators = [v.validate_float, ]53 @staticmethod54 def to_float(value):55 if value in v.VALIDATORS_EMPTY_VALUES:56 return None57 return float(value)58 def _to_native(self):59 return self.to_float(self.value)60 def _to_python(self):61 return self.to_float(self.value)62class DecimalField(IntegerField):63 OUTPUT_AS_FLOAT = 064 OUTPUT_AS_STRING = 165 validators = [v.validate_decimal, ]66 def __init__(self, decimal_places=3, precision=None, max_value=None, min_value=None, output=None, **kwargs):67 super(DecimalField, self).__init__(max_value=max_value, min_value=min_value, **kwargs)68 self.decimal_places = decimal_places69 self.precision = precision70 if self.value and not isinstance(self.value, decimal.Decimal):71 self.set_value(self.value)72 if output is None or output not in (0, 1):73 self.output = self.OUTPUT_AS_FLOAT74 else:75 self.output = output76 def set_value(self, value):77 context = decimal.getcontext().copy()78 if self.precision is not None:79 context.prec = self.precision80 if isinstance(value, decimal.Decimal):81 self.value = value.quantize(decimal.Decimal(".1") ** self.decimal_places, context=context)82 elif isinstance(value, (py2to3.integer, float,)):83 self.value = decimal.Decimal(value).quantize(decimal.Decimal(".1") ** self.decimal_places, context=context)84 elif isinstance(value, py2to3.string):85 try:86 self.value = decimal.Decimal(value).quantize(decimal.Decimal(".1") ** self.decimal_places,87 context=context)88 except:89 self.value = value90 else:91 self.value = None92 def _to_native(self):93 if self.value in v.VALIDATORS_EMPTY_VALUES:94 return None95 if self.output == self.OUTPUT_AS_STRING:96 result = str(self.value)97 else:98 result = float(u'{}'.format(self.value))99 return result100 def _to_python(self):101 if self.value in v.VALIDATORS_EMPTY_VALUES:102 return None103 return self.value104 @staticmethod105 def __pre_eq__(other):106 if isinstance(other, decimal.Decimal):107 return other108 elif isinstance(other, py2to3.integer):109 return decimal.Decimal(other)110 elif isinstance(other, float):111 return decimal.Decimal(str(other))112 elif isinstance(other, py2to3.string):113 try:114 d = decimal.Decimal(str(other))115 except:116 raise ValueError()117 else:118 return d119 raise ValueError()120 def __eq__(self, other):121 if not isinstance(self.value, decimal.Decimal):122 return False123 try:124 _other = self.__pre_eq__(other=other)125 except ValueError:126 return False127 else:128 return self.value == _other129class BooleanField(BaseSerializerField):130 def __init__(self, required=False, *args, **kwargs):131 super(BooleanField, self).__init__(required=required, *args, **kwargs)132 def set_value(self, value):133 if value in v.VALIDATORS_EMPTY_VALUES:134 self.value = None135 elif isinstance(value, py2to3.string) and value.lower() in ('false', '0'):136 self.value = False137 else:138 self.value = bool(value)139 def _to_native(self):140 return self.value141 def _to_python(self):142 return self.value143 def to_native(self):144 result = super(BooleanField, self).to_native()145 return bool(result)146class StringField(BaseSerializerField):147 validators = [v.validate_string, ]148 def __init__(self, max_length=None, min_length=None, **kwargs):149 super(StringField, self).__init__(**kwargs)150 if max_length is not None:151 self._validators.append(v.MaxStringLengthValidator(max_length))152 if min_length is not None:153 self._validators.append(v.MinStringLengthValidator(min_length))154 @staticmethod155 def to_unicode(value):156 if value in v.VALIDATORS_EMPTY_VALUES:157 return u''158 return py2to3._unicode(value)159 def _to_native(self):160 return self.to_unicode(self.value)161 def _to_python(self):162 return self.to_unicode(self.value)163class EmailField(StringField):164 validators = [v.validate_email, ]165class UUIDField(BaseSerializerField):166 validators = [v.validate_uuid, ]167 def __init__(self, upper=True, binary=True, *args, **kwargs):168 """169 To native always returns a string representation. Upper specifies if it should be upper- or lower-case170 To python returns a UUID object if binary is True (default), otherwise a lowercase string uuid.171 """172 super(UUIDField, self).__init__(*args, **kwargs)173 self.upper = upper174 self.binary = binary175 def _to_native(self):176 if self.value in v.VALIDATORS_EMPTY_VALUES:177 return u''178 if self.upper:179 return py2to3._unicode(self.value).upper()180 else:181 return py2to3._unicode(self.value)182 def _to_python(self):183 if self.value in v.VALIDATORS_EMPTY_VALUES:184 return None185 if self.binary and not isinstance(self.value, uuid.UUID):186 self.value = uuid.UUID(str(self.value))187 if not self.binary:188 return py2to3._unicode(self.value).lower()189 return self.value190class UrlField(BaseSerializerField):191 validators = [v.validate_url, ]192 def __init__(self, base=None, *args, **kwargs):193 super(UrlField, self).__init__(*args, **kwargs)194 self.uri_base = base195 if self.uri_base and not str(self.uri_base).endswith('/'):196 self.uri_base = '{}/'.format(self.uri_base)197 if self.value:198 self.set_value(value=self.value)199 @staticmethod200 def to_unicode(value):201 if value in v.VALIDATORS_EMPTY_VALUES:202 return u''203 return py2to3._unicode(value)204 def set_value(self, value):205 if self.uri_base:206 self.value = '{}{}'.format(self.uri_base, value)207 else:208 self.value = value209 def _to_native(self):210 return self.to_unicode(self.value)211 def _to_python(self):212 return self.to_unicode(self.value)213class ChoiceField(BaseSerializerField):214 error_messages = {215 'required': 'This field is required.',216 'invalid': 'Invalid choice value.',217 }218 def __init__(self, choices=None, upper=False, *args, **kwargs):219 super(ChoiceField, self).__init__(*args, **kwargs)220 self.choices = choices or ()221 self.upper = upper222 self.set_value(self.value)223 def set_value(self, value):224 if self.upper and isinstance(value, py2to3.string):225 value = value.lower()226 self.value = value227 self.python_value = self._get_value(value, to_python=True)228 self.native_value = self._get_value(value, to_python=False)229 def _get_key_value_from_choice_element(self, choice):230 if isinstance(choice, (list, tuple,)):231 try:232 val = choice[0]233 key = choice[1]234 except IndexError:235 return None, None236 return key, val237 return choice, choice238 def _get_value(self, value, to_python=True):239 if value in v.VALIDATORS_EMPTY_VALUES:240 return None241 for choice in self.choices:242 key, val = self._get_key_value_from_choice_element(choice)243 if value == key or value == val:244 if to_python:245 return val246 else:247 return key248 return None249 def validate(self):250 super(ChoiceField, self).validate()251 if self.value in v.VALIDATORS_EMPTY_VALUES:252 return253 _val = self._get_value(self.value)254 if _val is None:255 raise SerializerFieldValueError(self._error_messages['invalid'], field_names=self.names)256 def _to_native(self):257 value = self.native_value258 if self.upper and isinstance(value, py2to3.string):259 value = value.upper()260 return value261 def _to_python(self):262 value = self.python_value263 if self.upper and isinstance(value, py2to3.string):264 value = value.lower()265 return value266class ListField(BaseSerializerField):267 def __init__(self, field, *args, **kwargs):268 super(ListField, self).__init__(*args, **kwargs)269 self._field_cls = field270 self.items = []271 self._python_items = []272 self._native_items = []273 def validate(self):274 if self.items:275 _errors = []276 for field in self.items:277 try:278 field.validate()279 except SerializerFieldValueError as e:280 _errors.append(e.errors)281 if _errors:282 raise SerializerFieldValueError(_errors)283 elif self.required:284 raise SerializerFieldValueError(self._error_messages['required'], field_names=self.names)285 def add_item(self, value):286 field = self._field_cls()287 field.set_value(value=value)288 self.items.append(field)289 def set_value(self, value):290 self.items[:] = []291 self._native_items[:] = []292 self._python_items[:] = []293 if isinstance(value, Iterable):294 for item in value:295 self.add_item(value=item)296 def _to_native(self):297 if not self._native_items:298 for field in self.items:299 self._native_items.append(field.to_native())300 return self._native_items301 def _to_python(self):302 if not self._python_items:303 for field in self.items:304 self._python_items.append(field.to_python())305 return self._python_items306 def append(self, value):307 self.add_item(value=value)308 self.validate()309 def __iter__(self):310 return self.to_python().__iter__()311 def __get__(self, instance, owner):312 if instance is None:313 return self314 field, field_name = self._get_field_from_instance(instance=instance)315 return field316 def __set__(self, instance, value):317 if instance is None:318 return319 field, field_name = self._get_field_from_instance(instance=instance)320 if field is None:321 return322 self.ignore = False323 for name in self.names:324 try:325 value = instance.clean_field_value(name, value)326 except IgnoreField:327 self.ignore = True328 field.set_value(value=value)329 field.validate()330 instance.update_field(field)331 def __setitem__(self, i, value):332 del self.items[i]333 self.add_item(value=value)334 self.validate()335 def __getitem__(self, y):336 return self.to_python()[y]337 def __len__(self):338 return len(self.items)339 def __contains__(self, value):...
toxcmd3.py
Source:toxcmd3.py
...122# -----------------------------------------------------------------------------123# SUBCOMMAND: py2to3124# -----------------------------------------------------------------------------125command_py2to4_work_around3k = True126def command_py2to3(args):127 """128 Apply '2to3' tool (Python2 to Python3 conversion tool) to Python sources.129 """130 from lib2to3.main import main131 args2 = []132 if command_py2to4_work_around3k:133 if args.no_diffs:134 args2.append("--no-diffs")135 if args.write:136 args2.append("-w")137 if args.nobackups:138 args2.append("-n")139 args2.extend(args.sources)140 sys.exit(main("lib2to3.fixes", args=args2))141def setup_parser4py2to3(parser):142 if command_py2to4_work_around3k:143 parser.add_argument("--no-diffs", action="store_true",144 help="Don't show diffs of the refactoring")145 parser.add_argument("-w", "--write", action="store_true",146 help="Write back modified files")147 parser.add_argument("-n", "--nobackups", action="store_true", default=False,148 help="Don't write backups for modified files.")149 parser.add_argument("sources", nargs="+", help="Source files.")150command_py2to3.name = "2to3"151command_py2to3.usage = "%(prog)s sources..."152command_py2to3.short = "Apply python's 2to3 tool to Python sources."153command_py2to3.setup_parser = setup_parser4py2to3154# -----------------------------------------------------------------------------155# COMMAND HELPERS/UTILS:...
toxcmd.py
Source:toxcmd.py
...122# -----------------------------------------------------------------------------123# SUBCOMMAND: py2to3124# -----------------------------------------------------------------------------125command_py2to3_work_around3k = six.PY3126def command_py2to3(args):127 """128 Apply '2to3' tool (Python2 to Python3 conversion tool) to Python sources.129 """130 from lib2to3.main import main131 args2 = []132 if command_py2to3_work_around3k:133 if args.no_diffs:134 args2.append("--no-diffs")135 if args.write:136 args2.append("-w")137 if args.nobackups:138 args2.append("-n")139 args2.extend(args.sources)140 sys.exit(main("lib2to3.fixes", args=args2))141def setup_parser4py2to3(parser):142 if command_py2to3_work_around3k:143 parser.add_argument("--no-diffs", action="store_true",144 help="Don't show diffs of the refactoring")145 parser.add_argument("-w", "--write", action="store_true",146 help="Write back modified files")147 parser.add_argument("-n", "--nobackups", action="store_true", default=False,148 help="Don't write backups for modified files.")149 parser.add_argument("sources", nargs="+", help="Source files.")150command_py2to3.name = "2to3"151command_py2to3.usage = "%(prog)s sources..."152command_py2to3.short = "Apply python's 2to3 tool to Python sources."153command_py2to3.setup_parser = setup_parser4py2to3154# -----------------------------------------------------------------------------155# COMMAND HELPERS/UTILS:...
validators.py
Source:validators.py
1# -*- coding: utf-8 -*-2import uuid3import re4import decimal5from aserializer.utils import py2to36VALIDATORS_EMPTY_VALUES = (None, 'null', '', u'', [], (), {})7class SerializerValidatorError(Exception):8 error_code = None9 message = ''10 def __init__(self, message=None, error_code=None, params=None):11 self.message = message or self.message12 self.error_code = error_code or self.error_code13 if params:14 self.message %= params15 def __str__(self):16 return repr(self.message)17 def __repr__(self):18 return u'{}'.format(self.message)19class SerializerInvalidError(SerializerValidatorError):20 error_code = 'invalid'21class SerializerRequiredError(SerializerValidatorError):22 error_code = 'required'23class CompareValidator(object):24 compare = lambda self, a, b: a is not b25 message = 'Value should be %(compare_value)s (it is %(value)s).'26 error_code = 'compare'27 def __init__(self, compare_value):28 self.compare_value = compare_value29 def __call__(self, value):30 if self.compare(value, self.compare_value):31 self.raise_validation_error(value)32 def raise_validation_error(self, value):33 params = {'compare_value': self.compare_value, 'value': value}34 raise SerializerValidatorError(message=self.message, error_code=self.error_code, params=params)35class ConvertAndCompareValidator(CompareValidator):36 """37 Some fields might require casting of string values to the type of the compare_value.38 """39 def __call__(self, value):40 if isinstance(value, py2to3.string) and not isinstance(self.compare_value, py2to3.string):41 try:42 value = type(self.compare_value)(value)43 except ValueError:44 return45 super(ConvertAndCompareValidator, self).__call__(value)46class MaxValueValidator(ConvertAndCompareValidator):47 compare = lambda self, a, b: a > b48 message = 'Value is greater than %(compare_value)s.'49 error_code = 'max_value'50class MinValueValidator(ConvertAndCompareValidator):51 compare = lambda self, a, b: a < b52 message = 'Value is less than %(compare_value)s.'53 error_code = 'min_value'54def validate_integer(value):55 try:56 int(value)57 except (ValueError, TypeError):58 raise SerializerValidatorError('Enter a valid integer.', error_code='invalid')59def validate_float(value):60 try:61 float(value)62 except (ValueError, TypeError):63 raise SerializerValidatorError('Enter a valid float.', error_code='invalid')64def validate_decimal(value):65 if isinstance(value, decimal.Decimal):66 return67 try:68 decimal.Decimal(value)69 except (ValueError, TypeError, decimal.InvalidOperation,):70 raise SerializerValidatorError('Enter a valid decimal.', error_code='invalid')71def validate_string(value):72 if not isinstance(value, py2to3.string):73 raise SerializerValidatorError('Enter a valid string.', error_code='invalid')74class MinStringLengthValidator(CompareValidator):75 compare = lambda self, a, b: len(py2to3._unicode(a)) < b76 message = 'Value is too short. Minimum value length is %(compare_value)s.'77 code = 'min_length'78class MaxStringLengthValidator(CompareValidator):79 compare = lambda self, a, b: len(py2to3._unicode(a)) > b80 message = 'Value is too long. Maximum value length is %(compare_value)s.'81 code = 'max_length'82RE_UUID = re.compile(r'[0-9a-f]{8}(?:-[0-9a-f]{4}){3}-[0-9a-f]{12}', re.I)83def validate_uuid(value):84 if not isinstance(value, uuid.UUID):85 if not RE_UUID.search(py2to3._unicode(value)):86 raise SerializerValidatorError('Enter a valid uuid.', error_code='invalid')87RE_URL = re.compile(88 r'^(?:http|ftp)s?://'89 r'(?:(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+(?:[A-Z]{2,6}\.?|[A-Z0-9-]{2,}\.?)|'90 r'localhost|'91 r'\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}|'92 r'\[?[A-F0-9]*:[A-F0-9:]+\]?)'93 r'(?::\d+)?'94 r'(?:/?|[/?]\S+)$', re.IGNORECASE)95def validate_url(value):96 if not RE_URL.search(py2to3._unicode(value)):97 raise SerializerValidatorError('Enter a valid url.', error_code='invalid')98RE_EMAIL = re.compile(99 r"(^[-!#$%&'*+/=?^_`{}|~0-9A-Z]+(\.[-!#$%&'*+/=?^_`{}|~0-9A-Z]+)*" # dot-atom100 r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-011\013\014\016-\177])*"' # quoted-string101 r')@(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+[A-Z]{2,6}\.?$', re.IGNORECASE)102def validate_email(value):103 if not RE_EMAIL.search(py2to3._unicode(value)):...
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