FilesExpand file tree

 master

/

attic.py

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

167 lines (118 loc) · 4.82 KB

 master

/

attic.py

Copy path

Top

File metadata and controls

• Code
• Blame

167 lines (118 loc) · 4.82 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

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

# encoding: utf-8

"""

Older utilities that are not being used.

WARNING: IF YOU NEED TO USE ONE OF THESE FUNCTIONS, PLEASE FIRST MOVE IT

TO ANOTHER APPROPRIATE MODULE IN IPython.utils.

"""

#-----------------------------------------------------------------------------

# Copyright (C) 2008-2011 The IPython Development Team

#

# Distributed under the terms of the BSD License. The full license is in

# the file COPYING, distributed as part of this software.

#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------

# Imports

#-----------------------------------------------------------------------------

import sys

import warnings

from IPython.utils.warn import warn

#-----------------------------------------------------------------------------

# Code

#-----------------------------------------------------------------------------

def mutex_opts(dict,ex_op):

"""Check for presence of mutually exclusive keys in a dict.

Call: mutex_opts(dict,[[op1a,op1b],[op2a,op2b]...]"""

for op1,op2 in ex_op:

if op1 in dict and op2 in dict:

raise ValueError('\n*** ERROR in Arguments *** '\

'Options '+op1+' and '+op2+' are mutually exclusive.')

class EvalDict:

"""

Emulate a dict which evaluates its contents in the caller's frame.

Usage:

>>> number = 19

>>> text = "python"

>>> print "%(text.capitalize())s %(number/9.0).1f rules!" % EvalDict()

Python 2.1 rules!

"""

# This version is due to sismex01@hebmex.com on c.l.py, and is basically a

# modified (shorter) version of:

# http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/66018 by

# Skip Montanaro (skip@pobox.com).

def __getitem__(self, name):

frame = sys._getframe(1)

return eval(name, frame.f_globals, frame.f_locals)

EvalString = EvalDict # for backwards compatibility

def all_belong(candidates,checklist):

"""Check whether a list of items ALL appear in a given list of options.

Returns a single 1 or 0 value."""

return 1-(0 in [x in checklist for x in candidates])

def belong(candidates,checklist):

"""Check whether a list of items appear in a given list of options.

Returns a list of 1 and 0, one for each candidate given."""

return [x in checklist for x in candidates]

def with_obj(object, **args):

"""Set multiple attributes for an object, similar to Pascal's with.

Example:

with_obj(jim,

born = 1960,

haircolour = 'Brown',

eyecolour = 'Green')

Credit: Greg Ewing, in

http://mail.python.org/pipermail/python-list/2001-May/040703.html.

NOTE: up until IPython 0.7.2, this was called simply 'with', but 'with'

has become a keyword for Python 2.5, so we had to rename it."""

object.__dict__.update(args)

def map_method(method,object_list,*argseq,**kw):

"""map_method(method,object_list,*args,**kw) -> list

Return a list of the results of applying the methods to the items of the

argument sequence(s). If more than one sequence is given, the method is

called with an argument list consisting of the corresponding item of each

sequence. All sequences must be of the same length.

Keyword arguments are passed verbatim to all objects called.

This is Python code, so it's not nearly as fast as the builtin map()."""

out_list = []

idx = 0

for object in object_list:

try:

handler = getattr(object, method)

except AttributeError:

out_list.append(None)

else:

if argseq:

args = map(lambda lst:lst[idx],argseq)

#print 'ob',object,'hand',handler,'ar',args # dbg

out_list.append(handler(args,**kw))

else:

out_list.append(handler(**kw))

idx += 1

return out_list

def import_fail_info(mod_name,fns=None):

"""Inform load failure for a module."""

if fns == None:

warn("Loading of %s failed.\n" % (mod_name,))

else:

warn("Loading of %s from %s failed.\n" % (fns,mod_name))

class NotGiven: pass

def popkey(dct,key,default=NotGiven):

"""Return dct[key] and delete dct[key].

If default is given, return it if dct[key] doesn't exist, otherwise raise

KeyError. """

try:

val = dct[key]

except KeyError:

if default is NotGiven:

raise

else:

return default

else:

del dct[key]

return val

def wrap_deprecated(func, suggest = '<nothing>'):

def newFunc(*args, **kwargs):

warnings.warn("Call to deprecated function %s, use %s instead" %

( func.__name__, suggest),

category=DeprecationWarning,

stacklevel = 2)

return func(*args, **kwargs)

return newFunc