first commit

projecten1/lib/python3.6/site-packages/numpy/compat/py3k.py

@@ -0,0 +1,156 @@
+"""
+Python 3 compatibility tools.
+
+"""
+from __future__ import division, absolute_import, print_function
+
+__all__ = ['bytes', 'asbytes', 'isfileobj', 'getexception', 'strchar',
+           'unicode', 'asunicode', 'asbytes_nested', 'asunicode_nested',
+           'asstr', 'open_latin1', 'long', 'basestring', 'sixu',
+           'integer_types', 'is_pathlib_path', 'npy_load_module', 'Path']
+
+import sys
+try:
+    from pathlib import Path
+except ImportError:
+    Path = None
+
+if sys.version_info[0] >= 3:
+    import io
+
+    long = int
+    integer_types = (int,)
+    basestring = str
+    unicode = str
+    bytes = bytes
+
+    def asunicode(s):
+        if isinstance(s, bytes):
+            return s.decode('latin1')
+        return str(s)
+
+    def asbytes(s):
+        if isinstance(s, bytes):
+            return s
+        return str(s).encode('latin1')
+
+    def asstr(s):
+        if isinstance(s, bytes):
+            return s.decode('latin1')
+        return str(s)
+
+    def isfileobj(f):
+        return isinstance(f, (io.FileIO, io.BufferedReader, io.BufferedWriter))
+
+    def open_latin1(filename, mode='r'):
+        return open(filename, mode=mode, encoding='iso-8859-1')
+
+    def sixu(s):
+        return s
+
+    strchar = 'U'
+
+
+else:
+    bytes = str
+    long = long
+    basestring = basestring
+    unicode = unicode
+    integer_types = (int, long)
+    asbytes = str
+    asstr = str
+    strchar = 'S'
+
+    def isfileobj(f):
+        return isinstance(f, file)
+
+    def asunicode(s):
+        if isinstance(s, unicode):
+            return s
+        return str(s).decode('ascii')
+
+    def open_latin1(filename, mode='r'):
+        return open(filename, mode=mode)
+
+    def sixu(s):
+        return unicode(s, 'unicode_escape')
+
+
+def getexception():
+    return sys.exc_info()[1]
+
+def asbytes_nested(x):
+    if hasattr(x, '__iter__') and not isinstance(x, (bytes, unicode)):
+        return [asbytes_nested(y) for y in x]
+    else:
+        return asbytes(x)
+
+def asunicode_nested(x):
+    if hasattr(x, '__iter__') and not isinstance(x, (bytes, unicode)):
+        return [asunicode_nested(y) for y in x]
+    else:
+        return asunicode(x)
+
+def is_pathlib_path(obj):
+    """
+    Check whether obj is a pathlib.Path object.
+    """
+    return Path is not None and isinstance(obj, Path)
+
+if sys.version_info[0] >= 3 and sys.version_info[1] >= 4:
+    def npy_load_module(name, fn, info=None):
+        """
+        Load a module.
+
+        .. versionadded:: 1.11.2
+
+        Parameters
+        ----------
+        name : str
+            Full module name.
+        fn : str
+            Path to module file.
+        info : tuple, optional
+            Only here for backward compatibility with Python 2.*.
+
+        Returns
+        -------
+        mod : module
+
+        """
+        import importlib.machinery
+        return importlib.machinery.SourceFileLoader(name, fn).load_module()
+else:
+    def npy_load_module(name, fn, info=None):
+        """
+        Load a module.
+
+        .. versionadded:: 1.11.2
+
+        Parameters
+        ----------
+        name : str
+            Full module name.
+        fn : str
+            Path to module file.
+        info : tuple, optional
+            Information as returned by `imp.find_module`
+            (suffix, mode, type).
+
+        Returns
+        -------
+        mod : module
+
+        """
+        import imp
+        import os
+        if info is None:
+            path = os.path.dirname(fn)
+            fo, fn, info = imp.find_module(name, [path])
+        else:
+            fo = open(fn, info[1])
+        try:
+            mod = imp.load_module(name, fo, fn, info)
+        finally:
+            fo.close()
+        return mod