winpython/winpython/py3compat.py at master · Remken/winpython · GitHub

History

271 lines (222 loc) · 6.61 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

# -*- coding: utf-8 -*-

# Licensed under the terms of the MIT License

# (see spyderlib/__init__.py for details)

"""

spyderlib.py3compat

-------------------

Transitional module providing compatibility functions intended to help

migrating from Python 2 to Python 3.

This module should be fully compatible with:

* Python >=v2.6

* Python 3

"""

from __future__ import print_function

import sys

import os

PY2 = sys.version[0] == '2'

PY3 = sys.version[0] == '3'

# ==============================================================================

# Data types

# ==============================================================================

if PY2:

# Python 2

TEXT_TYPES = (str, unicode)

INT_TYPES = (int, long)

else:

# Python 3

TEXT_TYPES = (str,)

INT_TYPES = (int,)

NUMERIC_TYPES = tuple(list(INT_TYPES) + [float, complex])

# ==============================================================================

# Renamed/Reorganized modules

# ==============================================================================

if PY2:

# Python 2

import __builtin__ as builtins

import ConfigParser as configparser

try:

import _winreg as winreg

except ImportError:

pass

from sys import maxint as maxsize

try:

import CStringIO as io

except ImportError:

import StringIO as io

try:

import cPickle as pickle

except ImportError:

import pickle

from UserDict import DictMixin as MutableMapping

import thread as _thread

import repr as reprlib

else:

# Python 3

import builtins

import configparser

try:

import winreg

except ImportError:

pass

from sys import maxsize

import io

import pickle

try: # Python 3.8 and more

from collections.abc import MutableMapping

except ImportError:

from collections import MutableMapping

import _thread

import reprlib

# ==============================================================================

# Strings

# ==============================================================================

if PY2:

# Python 2

import codecs

def u(obj):

"""Make unicode object"""

return codecs.unicode_escape_decode(obj)[0]

else:

# Python 3

def u(obj):

"""Return string as it is"""

return obj

def is_text_string(obj):

"""Return True if `obj` is a text string, False if it is anything else,

like binary data (Python 3) or QString (Python 2, PyQt API #1)"""

if PY2:

# Python 2

return isinstance(obj, basestring)

else:

# Python 3

return isinstance(obj, str)

def is_binary_string(obj):

"""Return True if `obj` is a binary string, False if it is anything else"""

if PY2:

# Python 2

return isinstance(obj, str)

else:

# Python 3

return isinstance(obj, bytes)

def is_string(obj):

"""Return True if `obj` is a text or binary Python string object,

False if it is anything else, like a QString (Python 2, PyQt API #1)"""

return is_text_string(obj) or is_binary_string(obj)

def is_unicode(obj):

"""Return True if `obj` is unicode"""

if PY2:

# Python 2

return isinstance(obj, unicode)

else:

# Python 3

return isinstance(obj, str)

def to_text_string(obj, encoding=None):

"""Convert `obj` to (unicode) text string"""

if PY2:

# Python 2

if encoding is None:

return unicode(obj)

else:

return unicode(obj, encoding)

else:

# Python 3

if encoding is None:

return str(obj)

elif isinstance(obj, str):

# In case this function is not used properly, this could happen

return obj

else:

return str(obj, encoding)

def to_binary_string(obj, encoding=None):

"""Convert `obj` to binary string (bytes in Python 3, str in Python 2)"""

if PY2:

# Python 2

if encoding is None:

return str(obj)

else:

return obj.encode(encoding)

else:

# Python 3

return bytes(

obj, 'utf-8' if encoding is None else encoding

)

# ==============================================================================

# Function attributes

# ==============================================================================

def get_func_code(func):

"""Return function code object"""

if PY2:

# Python 2

return func.func_code

else:

# Python 3

return func.__code__

def get_func_name(func):

"""Return function name"""

if PY2:

# Python 2

return func.func_name

else:

# Python 3

return func.__name__

def get_func_defaults(func):

"""Return function default argument values"""

if PY2:

# Python 2

return func.func_defaults

else:

# Python 3

return func.__defaults__

# ==============================================================================

# Special method attributes

# ==============================================================================

def get_meth_func(obj):

"""Return method function object"""

if PY2:

# Python 2

return obj.im_func

else:

# Python 3

return obj.__func__

def get_meth_class_inst(obj):

"""Return method class instance"""

if PY2:

# Python 2

return obj.im_self

else:

# Python 3

return obj.__self__

def get_meth_class(obj):

"""Return method class"""

if PY2:

# Python 2

return obj.im_class

else:

# Python 3

return obj.__self__.__class__

# ==============================================================================

# Misc.

# ==============================================================================

if PY2:

# Python 2

input = raw_input

getcwd = os.getcwdu

cmp = cmp

import string

str_lower = string.lower

from itertools import izip_longest as zip_longest

else:

# Python 3

input = input

getcwd = os.getcwd

def cmp(a, b):

return (a > b) - (a < b)

str_lower = str.lower

from itertools import zip_longest

def qbytearray_to_str(qba):

"""Convert QByteArray object to str in a way compatible with Python 2/3"""

return str(bytes(qba.toHex().data()).decode())

if __name__ == '__main__':

pass

winpython/winpython/py3compat.py at master · Remken/winpython · GitHub

Expand file tree

Breadcrumbs

py3compat.py

Latest commit

History

Breadcrumbs

py3compat.py

File metadata and controls