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github.py
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github.py
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import urllib.request
import urllib.parse
import urllib.error
import json
import base64
class Github:
def __init__(self, login=None, password=None, verbose=False):
self.API_URL = "https://api.github.com"
self.verbose = verbose
self.loginBase64 = None
self.__data_caching__ = {}
if login and password:
self.loginBase64 = base64.urlsafe_b64encode(("%s:%s" % (login, password)).encode('utf-8')).decode('utf-8')
self.setRepository(None)
def __getRequest__(self, endpoint, full_url=False):
if full_url:
request = urllib.request.Request(endpoint)
else:
url = urllib.parse.urljoin(self.API_URL, endpoint)
request = urllib.request.Request(url)
if self.verbose:
print("[Github] " + request.get_method() + " " + request.get_full_url())
if self.loginBase64:
request.add_header('Authorization', "Basic " + self.loginBase64)
return request
def getRateLimit(self):
request = self.__getRequest__("rate_limit")
content = json.loads(urllib.request.urlopen(request).read().decode("utf-8"))
return content
def setRepository(self, repository):
self.repository = repository
def getRepository(self):
return self.repository
def __getLinkParams__(self, response):
links = response.getheader('Link').split(',')
linksLen = len(links)
linkParams = []
for i in range(linksLen):
link = {}
for elem in links[i].split(';'):
elem = elem.split()[0]
if elem.find('rel=') != -1:
rel = elem.split('=')[1]
link["rel"] = rel.split('"')[1]
else:
url = elem[1:-1]
link["url"] = url
parseUrl = urllib.parse.urlparse(url)
queryParams = {}
for param in parseUrl.query.split('&'):
keyPair = param.split('=')
queryParams[keyPair[0]] = keyPair[1]
link["queryParams"] = queryParams
if 'page' not in link["queryParams"]:
print(parseUrl, link)
raise Exception("Github", "Bad query response: " + link["url"])
linkParams.append(link)
return linkParams
def __getRepositoryItems__(self, item, state='all', page='0', direction='desc'):
if not self.repository:
raise Exception("Github", "No repository set")
request = self.__getRequest__("repos/" + self.repository + "/" + item + "?" +
"page=" + page +
("&state=" + state if state else "") +
("&direction=" + direction if direction else ""))
key = request.get_method() + ":" + request.get_full_url()
if not key in self.__data_caching__:
response = urllib.request.urlopen(request)
self.__data_caching__[request.get_method() + ":" + request.get_full_url()] = {
"response": response,
"content": json.loads(response.read().decode("utf-8"))
}
return self.__data_caching__[key]["response"], self.__data_caching__[key]["content"]
def __getItems__(self, item, state='all', page='0', direction='desc'):
return self.__getRepositoryItems__(item, state=state, page=page, direction=direction)
def getItemsCount(self, item, state='all', direction='desc'):
response, content = self.__getItems__(item, state=state, direction=direction)
pagination = len(content)
if response.getheader('Link'):
linkParams = self.__getLinkParams__(response)
lastLink = None
for link in linkParams:
if link['rel'] == 'last':
lastLink = link
response, content = self.__getItems__(item,
state=(lastLink["queryParams"]["state"] if 'state' in lastLink["queryParams"] else None),
page=lastLink["queryParams"]["page"],
direction=direction)
nbPages = int(lastLink["queryParams"]["page"])
count = (nbPages - 1) * pagination + len(content)
else:
count = pagination
return count
def getPullsCount(self, state='all'):
return self.getItemsCount('pulls', state=state)
def getIssuesCount(self, state='all'):
return self.getItemsCount('issues', state=state) - self.getItemsCount('pulls', state=state)
def getCommitsCount(self):
return self.getItemsCount('commits', state=None, direction=None)
def getContributorsCount(self):
return self.getItemsCount('contributors', state=None, direction=None)
def getOldestPullRequest(self, state='all'):
response, content = self.__getItems__('pulls', state=state, direction='asc')
if len(content) > 0:
return content[0]
return None
def getOldestIssueRequest(self, state='all'):
response, content = self.__getItems__('issues', state=state, direction='asc')
first = True
while response.getheader('Link') or first:
first = False
for elem in content:
if not 'pull_request' in elem:
return elem
if response.getheader('Link'):
linkParams = self.__getLinkParams__(response)
for link in linkParams:
if link['rel'] == 'next':
nextLink = link
response, content = self.__getItems__('issues', state=nextLink["queryParams"]["state"], page=nextLink["queryParams"]["page"], direction='asc')
return None
def getRepositoryInfo(self, repository=None):
if not repository:
repository = self.repository
if not self.repository:
raise Exception("Github", "No repository set")
request = self.__getRequest__("repos/" + self.repository)
response = urllib.request.urlopen(request)
content = json.loads(response.read().decode("utf-8"))
return content