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GitHubService.py
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# coding: utf-8
# In[100]:
import requests
import subprocess
import logging
from UnderstandService import create_udb,execute
from git import Repo
from github import Github
import understand
import configparser
import os
import shutil
config = configparser.RawConfigParser()
config.read('GitHubVariables.properties')
global number_of_projects
number_of_commits=config.get('Project','number_of_commits')
path=config.get('Project','project_path')
#github Authentication using token
headers={'Authorization':'token 5c4d81ec05cb82053d9fd0c0519120fe3eed17be',
'User-Agent':'https://api.github.com/meta',
'Content-Type':'application/json'}
global udb_path1
global udb_path2
global project_root1
global project_root2
global repo_name
global projectname
def get_pull_req(pull_req): # Getting the list of pull requests to get all commit requests
commit_list=list()
repo_pulls=list()
if pull_req.status_code == 200:
pull2=pull_req.json()
for j in range(len(pull2['items'])):
repo_pulls.insert(j,pull2['items'][j]['pull_request']['url'])
commit=repo_pulls[j] + '/commits'
#print('get_pull_req',commit)
commit_list.insert(j,commit)
return commit_list
def get_repo_url(pull_req) : # Get the repo URL to clone the repo
repo_url=''
try:
if pull_req.status_code == 200:
pull2=pull_req.json()
repo_url=pull2['items'][0]['repository_url']
#print('Repo_URL:',repo_url)
response=requests.get(repo_url,headers=headers)
if pull_req.status_code == 200:
repo_url=response.json()['html_url']
except IndexError as e:
print('-----------------Exception occured while getting repo url---------------')
return repo_url
def clone_repo(repo_url,name,num):
try:
git_url=repo_url
repo_dir=path + name+'\\'+str(num)
if os.path.isdir(repo_dir):
os.system('rmdir /S /Q "{}"'.format(repo_dir))
print('Cloning at:',repo_dir)
Repo.clone_from(git_url, repo_dir)
#print('Done cloning')
except:
print('Exception occured while cloneing repo', name)
return repo_dir
#Checkout the version of the project using the SHA for that version
def git_checkout(sha,projectname,num,number_of_projects):
result = []
flag=True
cmd='git checkout '+ sha
process = subprocess.Popen(cmd,cwd=path+projectname+'\\'+str(num)+'\\',shell=True,stdout=subprocess.PIPE,stderr=subprocess.PIPE )
result = process.communicate()[1].decode().split(':')[0]
#print(result)
if(result=="FATAL" or result=="fatal"):
number_of_projects=number_of_projects+1
flag=False
return flag,number_of_projects
# Searches for closed issues for repositiories and gets list of pull requests.
# Further commit listnumber_of_projects is populated for the list of pullrequest and corresponding SHA of each commit is stored in sha_list
# Project from the repo is cloned in user defined Path from properties file
def git_analyzer():
repo = requests.get('https://api.github.com/search/repositories?q=language:java',headers=headers)
#Search for repositories with language:Java
number_of_projects=int(config.get('Project','number_of_projects'))
if repo.status_code != 403:
response=repo.json()
for i in range(number_of_projects):
if int(len(response['items']))< number_of_projects:
break
repo_name=response['items'][i]['full_name']
#repo_name='iluwatar/java-design-patterns'
#print('https://api.github.com/search/issues?q=type:pr+language:java+state:closed+is:merged+status:success+repo:'+repo_name)
pull_req = requests.get('https://api.github.com/search/issues?q=type:pr+language:java+state:closed+is:merged+status:success+repo:'+repo_name,headers=headers)
commit_list=list()
projectname=repo_name.split("/")[1]
print('Project name:',projectname)
# get the repository URL
repo_url=get_repo_url(pull_req)
#Clone the repository
repo_dir1=clone_repo(repo_url,projectname,1)
repo_dir2=clone_repo(repo_url,projectname,2)
#Create the UDB for the project
udb_path1=repo_dir1
udb_path2=repo_dir2
#Get pull and commit list for the project
commit_list=get_pull_req(pull_req)
#print('commit list',commit_list)
sha_list=list()
#Iterating through list of commits to get the SHAs
for j in range(len(commit_list)):
commit_json=requests.get(commit_list[j]+'',headers=headers)
# print('length=',(len(commit_json.json())))
for k in range(len(commit_json.json())):
#Iterating through list of commits for SHA
if commit_json.status_code == 200:
if(len(commit_json.json())==1):
sha_list.append(commit_json.json()[k]['sha'])
else:
sha_list.append(commit_json.json()[(len(commit_json.json()))-k-1]['sha'])
#return
number_of_projects=process(sha_list,projectname,udb_path1,udb_path2,number_of_projects)
# The clone repo is then checked out to the SHA version and for every pair of consecutive versions,
# pair of udbs are created and processed usinf execute method
def process(sha_list,projectname,udb_path1,udb_path2,number_of_projects):
#print(sha_list)
#checkout to base version
try:
flag,np=git_checkout(sha_list[len(sha_list)-1],projectname,1,number_of_projects)
flag,np=git_checkout(sha_list[len(sha_list)-1],projectname,2,number_of_projects)
project_root1=udb_path1
project_root2=udb_path2
if not flag:
return np
else:
print('Checkout successful')
for l in range(int(number_of_commits)):
if int(len(sha_list))< int(number_of_commits):
break
# print(sha_list[len(sha_list)-l-1])
language='java'
#Checkout the next version using SHA
flag,np=git_checkout(sha_list[len(sha_list)-l-2],projectname,1,number_of_projects)
#Checkout the next version using SHA
flag,np=git_checkout(sha_list[len(sha_list)-l-3],projectname,2,number_of_projects)
#Create analyze the UDB with the new code version
# print('Path',r''+udb_path1+r'\1')
create_udb(r''+udb_path1+r'\1', language, project_root1)
create_udb(r''+udb_path2+r'\2', language, project_root2)
path1=r''+udb_path1+r'\1.udb'
path2=r''+udb_path2+r'\2.udb'
try:
db1 = understand.open(path1)
db2 = understand.open(path2)
except understand.UnderstandError as e:
logging.fatal('udb open failed')
raise Exception
#Executing Understand analysis
execute(db1,db2,projectname, '1')
db1.close()
db2.close()
except:
print('Exception occured during processing')
return 0
return np
#git_analyzer()
#Kill Switch
# In[89]: