Mercurial > hgrepos > Python > libs > ConfigMix

annotate configmix/yaml.py @ 32:6faddf796623

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
>>>>> Added tag v0.2 for changeset 50721b43e76c
author Franz Glasner <hg@dom66.de>
date Fri, 18 Mar 2016 09:28:44 +0100
parents ce290b10dac5
children aa8345dae995
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
1 # -*- coding: utf-8 -*-
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
2 r"""Simple wrapper for yaml to support all-unicode strings when loading
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
3 configuration files.
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
4
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
5 """
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
6
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
7 from __future__ import division, print_function, absolute_import
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
8
3
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
9 try:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
10 from collections import OrderedDict
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
11 except ImportError:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
12 try:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
13 from ordereddict import OrderedDict
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
14 except ImportError:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
15 OrderedDict = None
1
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
16 import yaml
3
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
17 import yaml.constructor
1
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
18
21
ce290b10dac5 Better Py2/Py3 compatibility: mark some strings explicitly as Unicode
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 5
diff changeset
19 from .compat import u
ce290b10dac5 Better Py2/Py3 compatibility: mark some strings explicitly as Unicode
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 5
diff changeset
20
1
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
21
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
22 __all__ = ["safe_load", "safe_load_all", "load", "load_all"]
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
23
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
24
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
25 class ConfigLoader(yaml.Loader):
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
26
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
27 """A YAML loader, which makes all !!str strings to Unicode. Standard
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
28 PyYAML does this only in the non-ASCII case.
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
29
3
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
30 If an `OrderedDict` implementation is available then all "map" and
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
31 "omap" nodes are constructed as `OrderedDict`.
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
32 This is against YAML specs but within configuration files it seems
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
33 more natural.
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
34
1
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
35 """
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
36
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
37 def construct_yaml_str(self, node):
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
38 return self.construct_scalar(node)
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
39
3
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
40 if OrderedDict:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
41
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
42 #
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
43 # From https://pypi.python.org/pypi/yamlordereddictloader/0.1.1
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
44 # (MIT License)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
45 #
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
46
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
47 def construct_yaml_map(self, node):
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
48 data = OrderedDict()
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
49 yield data
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
50 value = self.construct_mapping(node)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
51 data.update(value)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
52
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
53 def construct_mapping(self, node, deep=False):
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
54 if isinstance(node, yaml.MappingNode):
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
55 self.flatten_mapping(node)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
56 else:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
57 raise yaml.constructor.ConstructorError(None, None,
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
58 'expected a mapping node, but found %s' % node.id,
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
59 node.start_mark)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
60
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
61 mapping = OrderedDict()
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
62 for key_node, value_node in node.value:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
63 key = self.construct_object(key_node, deep=deep)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
64 try:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
65 hash(key)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
66 except TypeError as err:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
67 raise yaml.constructor.ConstructorError(
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
68 'while constructing a mapping', node.start_mark,
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
69 'found unacceptable key (%s)' % err, key_node.start_mark)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
70 value = self.construct_object(value_node, deep=deep)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
71 mapping[key] = value
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
72 return mapping
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
73
1
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
74
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
75 ConfigLoader.add_constructor(
21
ce290b10dac5 Better Py2/Py3 compatibility: mark some strings explicitly as Unicode
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 5
diff changeset
76 u("tag:yaml.org,2002:str"),
1
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
77 ConfigLoader.construct_yaml_str)
3
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
78 if OrderedDict:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
79 ConfigLoader.add_constructor(
21
ce290b10dac5 Better Py2/Py3 compatibility: mark some strings explicitly as Unicode
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 5
diff changeset
80 u("tag:yaml.org,2002:map"),
3
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
81 ConfigLoader.construct_yaml_map)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
82 ConfigLoader.add_constructor(
21
ce290b10dac5 Better Py2/Py3 compatibility: mark some strings explicitly as Unicode
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 5
diff changeset
83 u("tag:yaml.org,2002:omap"),
3
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
84 ConfigLoader.construct_yaml_map)
1
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
85
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
86
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
87 class ConfigSafeLoader(yaml.SafeLoader):
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
88
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
89 """A safe YAML loader, which makes all !!str strings to Unicode.
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
90 Standard PyYAML does this only in the non-ASCII case.
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
91
3
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
92 If an `OrderedDict` implementation is available then all "map" and
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
93 "omap" nodes are constructed as `OrderedDict`.
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
94 This is against YAML specs but within configuration files it seems
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
95 more natural.
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
96
1
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
97 """
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
98
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
99 def construct_yaml_str(self, node):
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
100 return self.construct_scalar(node)
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
101
3
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
102 if OrderedDict:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
103
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
104 #
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
105 # From https://pypi.python.org/pypi/yamlordereddictloader/0.1.1
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
106 # (MIT License)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
107 #
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
108
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
109 def construct_yaml_map(self, node):
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
110 data = OrderedDict()
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
111 yield data
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
112 value = self.construct_mapping(node)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
113 data.update(value)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
114
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
115 def construct_mapping(self, node, deep=False):
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
116 if isinstance(node, yaml.MappingNode):
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
117 self.flatten_mapping(node)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
118 else:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
119 raise yaml.constructor.ConstructorError(None, None,
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
120 'expected a mapping node, but found %s' % node.id,
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
121 node.start_mark)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
122
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
123 mapping = OrderedDict()
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
124 for key_node, value_node in node.value:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
125 key = self.construct_object(key_node, deep=deep)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
126 try:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
127 hash(key)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
128 except TypeError as err:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
129 raise yaml.constructor.ConstructorError(
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
130 'while constructing a mapping', node.start_mark,
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
131 'found unacceptable key (%s)' % err, key_node.start_mark)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
132 value = self.construct_object(value_node, deep=deep)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
133 mapping[key] = value
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
134 return mapping
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
135
1
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
136
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
137 ConfigSafeLoader.add_constructor(
21
ce290b10dac5 Better Py2/Py3 compatibility: mark some strings explicitly as Unicode
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 5
diff changeset
138 u("tag:yaml.org,2002:str"),
1
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
139 ConfigSafeLoader.construct_yaml_str)
3
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
140 if OrderedDict:
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
141 ConfigSafeLoader.add_constructor(
21
ce290b10dac5 Better Py2/Py3 compatibility: mark some strings explicitly as Unicode
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 5
diff changeset
142 u("tag:yaml.org,2002:map"),
3
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
143 ConfigSafeLoader.construct_yaml_map)
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
144 ConfigSafeLoader.add_constructor(
21
ce290b10dac5 Better Py2/Py3 compatibility: mark some strings explicitly as Unicode
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 5
diff changeset
145 u("tag:yaml.org,2002:omap"),
3
bedc4f95b9e9 Use a YAML constructor that automatically creates OrderedDict objects when an OrderedDict implementation is available
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 1
diff changeset
146 ConfigSafeLoader.construct_yaml_map)
1
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
147
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
148
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
149 def load(stream, Loader=ConfigLoader):
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
150 return yaml.load(stream, Loader)
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
151
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
152
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
153 def load_all(stream, Loader=ConfigLoader):
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
154 return yaml.load_all(stream, Loader)
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
155
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
156
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
157 def safe_load(stream):
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
158 return yaml.load(stream, Loader=ConfigSafeLoader)
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
159
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
160
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
161 def safe_load_all(stream):
e4c63b4f1568 Provide a yaml wrapper that import with all-unicode strings on Python2 but does not path the Loader globally
Franz Glasner <f.glasner@feldmann-mg.com>
parents:
diff changeset
162 return yaml.load_all(stream, Loader=ConfigSafeLoader)