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# -*- coding: utf-8 -*-
#
import requests
import re
import types
from functools import wraps
from obsapi.null import Null
from obsapi.logger import logger
from requests.auth import HTTPBasicAuth
try:
import osc.conf as osc_conf
except Exception:
osc_conf = None
DEFAULTAPIURL = 'https://api.opensuse.org'
url_validate = re.compile(r'^(?:http|ftp)s?://' # http:// or https://
r'(?:(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+(?:[A-Z]{2,6}\.?|[A-Z0-9-]{2,}\.?)|' # domain...
r'localhost|' # localhost...
r'\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})' # ...or ip
r'(?::\d+)?' # optional port
r'(?:/?|[/?]\S+)$', re.IGNORECASE).match
class ObsHttpApi(object):
default_xml = '<None/>'
rootapi = '/'
def __init__(self, apiurl=None):
self._apiurl = DEFAULTAPIURL
self.apiurl = apiurl
self._auth = {}
self._response = Null()
self.retries = 0
self.verify_ssl = True
self._callback_function = None
def _with_callback(func):
@wraps(func)
def wrapper(inst, *args, **kwargs):
r = func(inst, *args, **kwargs)
inst._do_callback()
return r
return wrapper
def _do_callback(self):
if self._callback_function is not None:
try:
self._callback_function(self)
except Exception as e:
raise e
def set_callback(self, func):
if isinstance(func, (types.FunctionType, types.MethodType)):
self._callback_function = func
else:
raise ValueError('Callback expects function or method type, '
'got {}'.format(type(func)))
@property
def __auth(self):
return self._auth.get(self.apiurl, self.__get_auth())
def __get_auth(self):
conf = {}
if osc_conf:
try:
osc_conf.get_config()
conf = osc_conf.get_apiurl_api_host_options(self.apiurl)
except Exception as e:
logger.debug(e)
pass
user = conf.get('user', None)
password = conf.get('pass', None)
if user and password:
self._auth[self.apiurl] = HTTPBasicAuth(user, password)
else:
self._auth[self.apiurl] = None
return self._auth[self.apiurl]
@_with_callback
def __api_get(self, api, params=None):
url = '{0}{1}{2}'.format(self.apiurl, self.rootapi, api)
stream = params.pop('stream', False)
def try_get():
r = requests.get(url,
auth=self.__auth,
params=params,
stream=stream,
verify=self.verify_ssl)
self._response = r
return r
for attempt in range(1 + self.retries):
r = try_get()
if self.success:
break
return r
@_with_callback
def __api_put(self, api, data, params=None):
url = '{0}{1}{2}'.format(self.apiurl, self.rootapi, api)
r = requests.put(url,
auth=self.__auth,
data=data,
params=params,
verify=self.verify_ssl)
self._response = r
return r
@_with_callback
def __api_post(self, api, data, params=None):
url = '{0}{1}{2}'.format(self.apiurl, self.rootapi, api)
r = requests.post(url,
auth=self.__auth,
data=data,
params=params,
verify=self.verify_ssl)
self._response = r
return r
@property
def apiurl(self):
return self._apiurl
@apiurl.setter
def apiurl(self, url):
if url_validate(url) is None:
raise(Exception('Invalid URL: {}'.format(url)))
self._apiurl = url
@property
def response(self):
'''Return requests response from last api query'''
return self._response
@property
def success(self):
'''Return True if last api query was successful, else
return False'''
return self._response.status_code == requests.codes.ok
def __path(self, *args):
args = [elem for elem in args if elem]
return '/'.join(['{}'] * len(args)).format(*args)
def get(self, *args, **params):
binary_get = params.pop('binary_get', False)
path = self.__path(*args)
stream = params.get('stream', False)
r = self.__api_get(path, params=params)
if binary_get:
if stream:
return r
return r.content
return r.text
def put(self, *args, **kwargs):
data = kwargs.pop('data', None)
path = self.__path(*args)
r = self.__api_put(path, data=data, params=kwargs)
return r
def post(self, *args, **kwargs):
data = kwargs.pop('data', None)
path = self.__path(*args)
r = self.__api_post(path, data=data, params=kwargs)
return r
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