+++ /dev/null
-# -*- coding: utf-8 -*-
-
-##
-# Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U.
-# This file is part of openmano
-# All Rights Reserved.
-#
-# 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.
-#
-# For those usages not covered by the Apache License, Version 2.0 please
-# contact with: nfvlabs@tid.es
-##
-
-'''
-auxiliary_functions is a module that implements functions that are used by all openmano modules,
-dealing with aspects such as reading/writing files, formatting inputs/outputs for quick translation
-from dictionaries to appropriate database dictionaries, etc.
-'''
-__author__="Alfonso Tierno, Gerardo Garcia"
-__date__ ="$08-sep-2014 12:21:22$"
-
-import datetime
-from jsonschema import validate as js_v, exceptions as js_e
-#from bs4 import BeautifulSoup
-
-def read_file(file_to_read):
- """Reads a file specified by 'file_to_read' and returns (True,<its content as a string>) in case of success or (False, <error message>) in case of failure"""
- try:
- f = open(file_to_read, 'r')
- read_data = f.read()
- f.close()
- except Exception,e:
- return (False, str(e))
-
- return (True, read_data)
-
-def write_file(file_to_write, text):
- """Write a file specified by 'file_to_write' and returns (True,NOne) in case of success or (False, <error message>) in case of failure"""
- try:
- f = open(file_to_write, 'w')
- f.write(text)
- f.close()
- except Exception,e:
- return (False, str(e))
-
- return (True, None)
-
-def format_in(http_response, schema):
- try:
- client_data = http_response.json()
- js_v(client_data, schema)
- #print "Input data: ", str(client_data)
- return True, client_data
- except js_e.ValidationError, exc:
- print "validate_in error, jsonschema exception ", exc.message, "at", exc.path
- return False, ("validate_in error, jsonschema exception ", exc.message, "at", exc.path)
-
-def remove_extra_items(data, schema):
- deleted=[]
- if type(data) is tuple or type(data) is list:
- for d in data:
- a= remove_extra_items(d, schema['items'])
- if a is not None: deleted.append(a)
- elif type(data) is dict:
- #TODO deal with patternProperties
- if 'properties' not in schema:
- return None
- for k in data.keys():
- if k not in schema['properties'].keys():
- del data[k]
- deleted.append(k)
- else:
- a = remove_extra_items(data[k], schema['properties'][k])
- if a is not None: deleted.append({k:a})
- if len(deleted) == 0: return None
- elif len(deleted) == 1: return deleted[0]
- else: return deleted
-
-#def format_html2text(http_content):
-# soup=BeautifulSoup(http_content)
-# text = soup.p.get_text() + " " + soup.pre.get_text()
-# return text
-
-
-def convert_bandwidth(data, reverse=False):
- '''Check the field bandwidth recursivelly and when found, it removes units and convert to number
- It assumes that bandwidth is well formed
- Attributes:
- 'data': dictionary bottle.FormsDict variable to be checked. None or empty is consideted valid
- 'reverse': by default convert form str to int (Mbps), if True it convert from number to units
- Return:
- None
- '''
- if type(data) is dict:
- for k in data.keys():
- if type(data[k]) is dict or type(data[k]) is tuple or type(data[k]) is list:
- convert_bandwidth(data[k], reverse)
- if "bandwidth" in data:
- try:
- value=str(data["bandwidth"])
- if not reverse:
- pos = value.find("bps")
- if pos>0:
- if value[pos-1]=="G": data["bandwidth"] = int(data["bandwidth"][:pos-1]) * 1000
- elif value[pos-1]=="k": data["bandwidth"]= int(data["bandwidth"][:pos-1]) / 1000
- else: data["bandwidth"]= int(data["bandwidth"][:pos-1])
- else:
- value = int(data["bandwidth"])
- if value % 1000 == 0: data["bandwidth"]=str(value/1000) + " Gbps"
- else: data["bandwidth"]=str(value) + " Mbps"
- except:
- print "convert_bandwidth exception for type", type(data["bandwidth"]), " data", data["bandwidth"]
- return
- if type(data) is tuple or type(data) is list:
- for k in data:
- if type(k) is dict or type(k) is tuple or type(k) is list:
- convert_bandwidth(k, reverse)
-
-
-
-def convert_datetime2str(var):
- '''Converts a datetime variable to a string with the format '%Y-%m-%dT%H:%i:%s'
- It enters recursively in the dict var finding this kind of variables
- '''
- if type(var) is dict:
- for k,v in var.items():
- if type(v) is datetime.datetime:
- var[k]= v.strftime('%Y-%m-%dT%H:%M:%S')
- elif type(v) is dict or type(v) is list or type(v) is tuple:
- convert_datetime2str(v)
- if len(var) == 0: return True
- elif type(var) is list or type(var) is tuple:
- for v in var:
- convert_datetime2str(v)
-
-def convert_str2boolean(data, items):
- '''Check recursively the content of data, and if there is an key contained in items, convert value from string to boolean
- Done recursively
- Attributes:
- 'data': dictionary variable to be checked. None or empty is considered valid
- 'items': tuple of keys to convert
- Return:
- None
- '''
- if type(data) is dict:
- for k in data.keys():
- if type(data[k]) is dict or type(data[k]) is tuple or type(data[k]) is list:
- convert_str2boolean(data[k], items)
- if k in items:
- if type(data[k]) is str:
- if data[k]=="false" or data[k]=="False": data[k]=False
- elif data[k]=="true" or data[k]=="True": data[k]=True
- if type(data) is tuple or type(data) is list:
- for k in data:
- if type(k) is dict or type(k) is tuple or type(k) is list:
- convert_str2boolean(k, items)
-
-def check_valid_uuid(uuid):
- id_schema = {"type" : "string", "pattern": "^[a-fA-F0-9]{8}(-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}$"}
- try:
- js_v(uuid, id_schema)
- return True
- except js_e.ValidationError:
- return False
-