--- /dev/null
+
+#
+# Copyright 2016 RIFT.IO Inc
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import gettext
+import numbers
+import os
+
+from six.moves.urllib.parse import urlparse
+
+import yaml
+
+_localedir = os.environ.get('yang-translator'.upper() + '_LOCALEDIR')
+_t = gettext.translation('yang-translator', localedir=_localedir,
+ fallback=True)
+
+
+def _(msg):
+ return _t.gettext(msg)
+
+
+class CompareUtils(object):
+
+ MISMATCH_VALUE1_LABEL = "<Expected>"
+ MISMATCH_VALUE2_LABEL = "<Provided>"
+ ORDERLESS_LIST_KEYS = ['allowed_values', 'depends_on']
+
+ @staticmethod
+ def compare_dicts(dict1, dict2, log):
+ """Return False if not equal, True if both are equal."""
+
+ if dict1 is None and dict2 is None:
+ return True
+ if dict1 is None or dict2 is None:
+ return False
+
+ both_equal = True
+ for dict1_item, dict2_item in zip(dict1.items(), dict2.items()):
+ if dict1_item != dict2_item:
+ msg = (_("%(label1)s: %(item1)s \n is not equal to \n:"
+ "%(label2)s: %(item2)s")
+ % {'label1': CompareUtils.MISMATCH_VALUE2_LABEL,
+ 'item1': dict1_item,
+ 'label2': CompareUtils.MISMATCH_VALUE1_LABEL,
+ 'item2': dict2_item})
+ log.warning(msg)
+ both_equal = False
+ break
+ return both_equal
+
+ @staticmethod
+ def reorder(dic):
+ '''Canonicalize list items in the dictionary for ease of comparison.
+
+ For properties whose value is a list in which the order does not
+ matter, some pre-processing is required to bring those lists into a
+ canonical format. We use sorting just to make sure such differences
+ in ordering would not cause to a mismatch.
+ '''
+
+ if type(dic) is not dict:
+ return None
+
+ reordered = {}
+ for key in dic.keys():
+ value = dic[key]
+ if type(value) is dict:
+ reordered[key] = CompareUtils.reorder(value)
+ elif type(value) is list \
+ and key in CompareUtils.ORDERLESS_LIST_KEYS:
+ reordered[key] = sorted(value)
+ else:
+ reordered[key] = value
+ return reordered
+
+ @staticmethod
+ def diff_dicts(dict1, dict2, reorder=True):
+ '''Compares two dictionaries and returns their differences.
+
+ Returns a dictionary of mismatches between the two dictionaries.
+ An empty dictionary is returned if two dictionaries are equivalent.
+ The reorder parameter indicates whether reordering is required
+ before comparison or not.
+ '''
+
+ if reorder:
+ dict1 = CompareUtils.reorder(dict1)
+ dict2 = CompareUtils.reorder(dict2)
+
+ if dict1 is None and dict2 is None:
+ return {}
+ if dict1 is None or dict2 is None:
+ return {CompareUtils.MISMATCH_VALUE1_LABEL: dict1,
+ CompareUtils.MISMATCH_VALUE2_LABEL: dict2}
+
+ diff = {}
+ keys1 = set(dict1.keys())
+ keys2 = set(dict2.keys())
+ for key in keys1.union(keys2):
+ if key in keys1 and key not in keys2:
+ diff[key] = {CompareUtils.MISMATCH_VALUE1_LABEL: dict1[key],
+ CompareUtils.MISMATCH_VALUE2_LABEL: None}
+ elif key not in keys1 and key in keys2:
+ diff[key] = {CompareUtils.MISMATCH_VALUE1_LABEL: None,
+ CompareUtils.MISMATCH_VALUE2_LABEL: dict2[key]}
+ else:
+ val1 = dict1[key]
+ val2 = dict2[key]
+ if val1 != val2:
+ if type(val1) is dict and type(val2) is dict:
+ diff[key] = CompareUtils.diff_dicts(val1, val2, False)
+ else:
+ diff[key] = {CompareUtils.MISMATCH_VALUE1_LABEL: val1,
+ CompareUtils.MISMATCH_VALUE2_LABEL: val2}
+ return diff
+
+
+class YamlUtils(object):
+
+ @staticmethod
+ def get_dict(yaml_file):
+ '''Returns the dictionary representation of the given YAML spec.'''
+ try:
+ return yaml.load(open(yaml_file))
+ except IOError:
+ return None
+
+ @staticmethod
+ def compare_yamls(yaml1_file, yaml2_file):
+ '''Returns true if two dictionaries are equivalent, false otherwise.'''
+ dict1 = YamlUtils.get_dict(yaml1_file)
+ dict2 = YamlUtils.get_dict(yaml2_file)
+ return CompareUtils.compare_dicts(dict1, dict2)
+
+ @staticmethod
+ def compare_yaml_dict(yaml_file, dic):
+ '''Returns true if yaml matches the dictionary, false otherwise.'''
+ return CompareUtils.compare_dicts(YamlUtils.get_dict(yaml_file), dic)
+
+
+class UrlUtils(object):
+
+ @staticmethod
+ def validate_url(path):
+ """Validates whether the given path is a URL or not.
+
+ If the given path includes a scheme (http, https, ftp, ...) and a net
+ location (a domain name such as www.github.com) it is validated as a
+ URL.
+ """
+ parsed = urlparse(path)
+ return bool(parsed.scheme) and bool(parsed.netloc)
+
+
+def str_to_num(value):
+ """Convert a string representation of a number into a numeric type."""
+ if isinstance(value, numbers.Number):
+ return value
+ try:
+ return int(value)
+ except ValueError:
+ return float(value)
+
+
+def map_name_to_python(name):
+ if name == 'type':
+ return 'type_yang'
+ return name.replace('-', '_')
+
+
+def convert_keys_to_python(d):
+ '''Change all keys from - to _'''
+ if isinstance(d, dict):
+ for key in d.keys():
+ d[map_name_to_python(key)] = convert_keys_to_python(d.pop(key))
+ return d
+ elif isinstance(d, list):
+ arr = []
+ for memb in d:
+ arr.append(convert_keys_to_python(memb))
+ return arr
+ else:
+ return d
+
+def map_name_to_yang(name):
+ return name.replace('_', '-')
+
+
+def convert_keys_to_yang(d):
+ '''Change all keys from _ to -'''
+ if isinstance(d, dict):
+ for key in d.keys():
+ d[map_name_to_python(key)] = convert_keys_to_yang(d.pop(key))
+ return d
+ elif isinstance(d, list):
+ arr = []
+ for memb in d:
+ arr.append(convert_keys_to_yang(memb))
+ return arr
+ else:
+ return d
+
+
+def stringify_dict(d):
+ '''Convert all integer, float, etc to str'''
+ if isinstance(d, dict):
+ for key in d.keys():
+ d[key] = stringify_dict(d[key])
+ return d
+ elif isinstance(d, list):
+ arr = []
+ for memb in d:
+ arr.append(stringify_dict(memb))
+ return arr
+ else:
+ if not isinstance(d, str):
+ return str(d)
+ return d
projects / osm / SO.git / blobdiff