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@@ -4,6 +4,7 b'' | |||||
4 | Authors |
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4 | Authors | |
5 | ------- |
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5 | ------- | |
6 | - Jörgen Stenarson <jorgen.stenarson@bostream.nu> |
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6 | - Jörgen Stenarson <jorgen.stenarson@bostream.nu> | |
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7 | - Thomas Kluyver | |||
7 | """ |
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8 | """ | |
8 |
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9 | |||
9 | #***************************************************************************** |
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10 | #***************************************************************************** | |
@@ -19,7 +20,7 b' import types' | |||||
19 | from IPython.utils.dir2 import dir2 |
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20 | from IPython.utils.dir2 import dir2 | |
20 |
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21 | |||
21 | def create_typestr2type_dicts(dont_include_in_type2typestr=["lambda"]): |
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22 | def create_typestr2type_dicts(dont_include_in_type2typestr=["lambda"]): | |
22 | """Return dictionaries mapping lower case typename (e.g. 'tuple) to type |
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23 | """Return dictionaries mapping lower case typename (e.g. 'tuple') to type | |
23 | objects from the types package, and vice versa.""" |
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24 | objects from the types package, and vice versa.""" | |
24 | typenamelist = [tname for tname in dir(types) if tname.endswith("Type")] |
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25 | typenamelist = [tname for tname in dir(types) if tname.endswith("Type")] | |
25 | typestr2type, type2typestr = {}, {} |
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26 | typestr2type, type2typestr = {}, {} | |
@@ -54,17 +55,11 b' def show_hidden(str,show_all=False):' | |||||
54 | """Return true for strings starting with single _ if show_all is true.""" |
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55 | """Return true for strings starting with single _ if show_all is true.""" | |
55 | return show_all or str.startswith("__") or not str.startswith("_") |
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56 | return show_all or str.startswith("__") or not str.startswith("_") | |
56 |
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57 | |||
57 | class NameSpace(dict): |
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58 | def dict_dir(obj): | |
58 | """NameSpace holds the dictionary for a namespace and implements filtering |
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59 | """Produce a dictionary of an object's attributes. Builds on dir2 by | |
59 | on name and types""" |
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60 | checking that a getattr() call actually succeeds.""" | |
60 |
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61 | ns = {} | ||
61 | @classmethod |
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62 | def from_object(cls, obj, *args, **kwargs): |
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63 | """Instantiate a namespace by constructing a dictionary of an object's |
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64 | attributes. A class method, returns a new NameSpace instance.""" |
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65 | ns = cls() |
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66 |
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62 | for key in dir2(obj): | |
67 | if isinstance(key, basestring): |
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68 |
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63 | # This seemingly unnecessary try/except is actually needed | |
69 |
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64 | # because there is code out there with metaclasses that | |
70 |
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65 | # create 'write only' attributes, where a getattr() call | |
@@ -77,10 +72,9 b' class NameSpace(dict):' | |||||
77 |
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72 | pass | |
78 |
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73 | return ns | |
79 |
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74 | |||
80 |
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75 | def filter_ns(ns, name_pattern="*", type_pattern="all", ignore_case=True, | |
81 |
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76 | show_all=True): | |
82 | """Return a dictionary of the namespace filtered by regex pattern and |
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77 | """Filter a namespace dictionary by name pattern and item type.""" | |
83 | item type.""" |
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84 |
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78 | pattern = name_pattern.replace("*",".*").replace("?",".") | |
85 |
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79 | if ignore_case: | |
86 |
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80 | reg = re.compile(pattern+"$", re.I) | |
@@ -88,7 +82,7 b' class NameSpace(dict):' | |||||
88 |
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82 | reg = re.compile(pattern+"$") | |
89 |
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83 | ||
90 |
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84 | # Check each one matches regex; shouldn't be hidden; of correct type. | |
91 |
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85 | return dict((key,obj) for key, obj in ns.iteritems() if reg.match(key) \ | |
92 |
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86 | and show_hidden(key, show_all) \ | |
93 |
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87 | and is_type(obj, type_pattern) ) | |
94 |
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88 | |||
@@ -96,30 +90,22 b' def list_namespace(namespace, type_pattern, filter, ignore_case=False, show_all=' | |||||
96 | """Return dictionary of all objects in a namespace dictionary that match |
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90 | """Return dictionary of all objects in a namespace dictionary that match | |
97 | type_pattern and filter.""" |
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91 | type_pattern and filter.""" | |
98 | pattern_list=filter.split(".") |
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92 | pattern_list=filter.split(".") | |
99 | ns = NameSpace(namespace) |
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100 | return _list_namespace(ns, type_pattern, pattern_list, ignore_case,show_all) |
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101 | # This function is a more convenient wrapper around the recursive one below. |
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102 |
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103 | def _list_namespace(ns, type_pattern, pattern_list, ignore_case=False, show_all=False): |
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104 | """Return dictionary of objects in a namespace which match type_pattern |
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105 | and filter (pattern_list). |
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106 |
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107 | This is a recursive function behind list_namespace, which is intended to be |
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108 | the public interface. Unlike that function, this expects a NameSpace |
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109 | instance as the first argument, and the name pattern split by '.'s.""" |
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110 | if len(pattern_list) == 1: |
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93 | if len(pattern_list) == 1: | |
111 |
return |
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94 | return filter_ns(namespace, name_pattern=pattern_list[0], | |
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95 | type_pattern=type_pattern, | |||
112 |
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96 | ignore_case=ignore_case, show_all=show_all) | |
113 | else: |
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97 | else: | |
114 | # This is where we can change if all objects should be searched or |
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98 | # This is where we can change if all objects should be searched or | |
115 | # only modules. Just change the type_pattern to module to search only |
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99 | # only modules. Just change the type_pattern to module to search only | |
116 | # modules |
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100 | # modules | |
117 |
filtered = |
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101 | filtered = filter_ns(namespace, name_pattern=pattern_list[0], | |
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102 | type_pattern="all", | |||
118 | ignore_case=ignore_case, show_all=show_all) |
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103 | ignore_case=ignore_case, show_all=show_all) | |
119 | results = {} |
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104 | results = {} | |
120 | for name, obj in filtered.iteritems(): |
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105 | for name, obj in filtered.iteritems(): | |
121 |
ns = |
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106 | ns = list_namespace(dict_dir(obj), type_pattern, | |
122 | pattern_list[1:], ignore_case=ignore_case, show_all=show_all) |
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107 | ".".join(pattern_list[1:]), | |
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108 | ignore_case=ignore_case, show_all=show_all) | |||
123 | for inner_name,inner_obj in ns.iteritems(): |
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109 | for inner_name, inner_obj in ns.iteritems(): | |
124 | results["%s.%s"%(name,inner_name)] = inner_obj |
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110 | results["%s.%s"%(name,inner_name)] = inner_obj | |
125 | return results |
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111 | return results |
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