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requestmaker.py
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requestmaker.py
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import json
import time
try:
import requests
from requests.exceptions import RequestException
from requests.packages.urllib3.exceptions import InsecureRequestWarning
except ImportError: # pragma: no cover
pass
from . import exceptions, utils
class RequestCacheException(Exception): # noqa: N818
pass
class RequestCacheMissingException(RequestCacheException): # noqa: N818
pass
class RequestCacheInvalidException(RequestCacheException): # noqa: N818
pass
class RequestCache:
def __init__(self, valid_time=60):
self._valid_time = valid_time
self._cache = {}
def put(self, key, value):
self._cache[key] = {"time": time.time(), "value": value}
def remove(self, key):
if key in self._cache:
del self._cache[key]
def get(self, key):
if key not in self._cache:
raise RequestCacheMissingException()
if time.time() > self._cache[key]["time"] + self._valid_time:
self.remove(key)
raise RequestCacheInvalidException()
return self._cache[key]["value"]
class RequestMakerException(Exception): # noqa: N818
pass
class RequestMaker:
def __init__(self, api_path, host, token, token_type="Bearer", tls_verify=True, enable_pagination=True):
self.api_path = api_path
self.host = host
self.token = token
self.token_type = token_type
self.tls_verify = tls_verify
self.enable_pagination = enable_pagination
self._cache = RequestCache()
if not self.tls_verify:
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
@property
def cache(self):
return self._cache
def is_bad_response(self, response):
return 400 <= response.status_code <= 500
def headers(self, paginate=True):
headers = {
"Content-type": "application/json",
"Authorization": "{} {}".format(self.token_type, self.token),
}
if self.enable_pagination and paginate:
headers["x-lazy-pagination"] = "True"
else:
headers["x-disable-pagination"] = "True"
return headers
def urljoin(self, *parts):
return utils.urljoin(*parts)
def get_full_url(self, uri, query=None, **parameters):
full_url = self.urljoin(self.host, self.api_path, uri.format(**parameters))
return full_url
def get(self, uri, query=None, cache=False, paginate=True, **parameters):
try:
full_url = self.urljoin(self.host, self.api_path, uri.format(**parameters))
result = None
if cache:
try:
result = self._cache.get(full_url)
except RequestCacheException:
pass
if not result:
result = requests.get(
full_url, headers=self.headers(paginate), params=query or {}, verify=self.tls_verify
)
if cache:
self._cache.put(full_url, result)
except RequestException:
raise exceptions.TaigaRestException(full_url, 400, "Network error!", "GET")
if not self.is_bad_response(result):
return result
else:
raise exceptions.TaigaRestException(full_url, result.status_code, result.text, "GET")
def post(self, uri, payload=None, query=None, files=None, **parameters):
if files:
headers = {
"Authorization": "{} {}".format(self.token_type, self.token),
"x-disable-pagination": "True",
}
data = payload
else:
headers = self.headers()
data = json.dumps(payload)
files = {}
try:
full_url = self.urljoin(self.host, self.api_path, uri.format(**parameters))
result = requests.post(
full_url, headers=headers, data=data, params=query or {}, files=files, verify=self.tls_verify
)
except RequestException:
raise exceptions.TaigaRestException(full_url, 400, "Network error!", "POST")
if not self.is_bad_response(result):
return result
else:
raise exceptions.TaigaRestException(full_url, result.status_code, result.text, "POST")
def delete(self, uri, query=None, **parameters):
try:
full_url = self.urljoin(self.host, self.api_path, uri.format(**parameters))
result = requests.delete(full_url, headers=self.headers(), params=query or {}, verify=self.tls_verify)
except RequestException:
raise exceptions.TaigaRestException(full_url, 400, "Network error!", "DELETE")
if not self.is_bad_response(result):
return result
else:
raise exceptions.TaigaRestException(full_url, result.status_code, result.text, "DELETE")
def put(self, uri, payload=None, query=None, **parameters):
try:
full_url = self.urljoin(self.host, self.api_path, uri.format(**parameters))
result = requests.put(
full_url, headers=self.headers(), data=json.dumps(payload), params=query or {}, verify=self.tls_verify
)
except RequestException:
raise exceptions.TaigaRestException(full_url, 400, "Network error!", "PUT")
if not self.is_bad_response(result):
return result
else:
raise exceptions.TaigaRestException(full_url, result.status_code, result.text, "PUT")
def patch(self, uri, payload=None, query=None, **parameters):
try:
full_url = self.urljoin(self.host, self.api_path, uri.format(**parameters))
result = requests.patch(
full_url, headers=self.headers(), data=json.dumps(payload), params=query or {}, verify=self.tls_verify
)
except RequestException:
raise exceptions.TaigaRestException(full_url, 400, "Network error!", "PATCH")
if not self.is_bad_response(result):
return result
else:
raise exceptions.TaigaRestException(full_url, result.status_code, result.text, "PATCH")