prototype replication done

github_api_req.py

@@ -2,17 +2,20 @@ import requests
 import datetime as dt
 
 def main(vcs, begin_date):
+    repo_uri=vcs[0]
     gha_info = {}
     #this is the entire list of Github 'milestones' grabbed from the API
-    gha_info['milestones'] = get_milestone_information(vcs)
+    gha_info['milestones'] = get_milestone_information(repo_uri)
     #this is the count of milestones that occur after the cutoff date
     gha_info['milestone_count'] = parse_milestones(gha_info['milestones'], begin_date)
+    #split_actors(repo_uri, actors_list)
     return gha_info
 
+
 #this simple API call has been working for now but may need to be updated as more information is desired
-def get_milestone_information(vcs_path):
-    repo_uri=vcs_path[0]
+def get_milestone_information(repo_uri):
     repo_uri_list = repo_uri.split('/')
+    print(repo_uri_list)
     api_url = "https://api.github.com/repos/" + repo_uri_list[-2]  + "/" + repo_uri_list[-1] + "/milestones"
     response = requests.get(api_url)
     response_dict = response.json()
@@ -22,11 +25,29 @@ def parse_milestones(milestones, earliest_date):
     count_of_milestones = 0
     for entry in milestones:
         #if entry date is more recent than the earliest date we're looking at
-        if dt.datetime.fromisoformat(entry['created_at'][:-1]) > earliest_date:
+        # TODO: decide whether to use created_at or updated_at or closed_at
+        if dt.datetime.fromisoformat(entry['updated_at'][:-1]) > earliest_date:
             count_of_milestones += 1
     return count_of_milestones
 
+'''
+#using the github API to identify who is a collaborator on the project and who is just a contributor
+def split_actors(repo_uri, actors_list):
+    call_sheet = {'collaborator' : [], 'contributor' : []}
+    repo_uri_list = repo_uri.split('/')
+    api_url = "https://api.github.com/repos/" + repo_uri_list[-2]  + "/" + repo_uri_list[-1] + "/collaborators/"
+    for actor in actors_list[:2]:
+        actor_email = actor.split('<')[1][:-1]
+        print(actor_email)
+        actor_user = get_gh_un(actor_email)
+        response_dict = response.json()
+        print(response_dict)
 
-if __name__ == "__main__":
-    vcs = ['https://github.com/fabiangreffrath/woof']
-    main(vcs)
+#this function grabs the Github username from an associated email
+def get_gh_un(email):
+    api_url = 'https://api.github.com/search/users?q=' + email
+    response = requests.get(api_url)
+    response_dict = response.json()
+    gh_username = response_dict['items'][0]['login']
+    return gh_username
+'''

main.py

@@ -5,15 +5,10 @@ import perceval_tasks as pt
 import github_api_req as gha
 import datetime as dt
 
-
-#TODO: get lists of authors -> get lists of contributors -> compute 'Mean Membership Type'
-
-#TODO: compute Formality level metric
-
 def main():
     # we should discuss whether we're using the 93 day window that seems to be widely used or if we want a longer window
-    early_cutoff = dt.datetime(2015,3, 17)
-    print("earliest date examined: " + str(early_cutoff))
+    early_cutoff = dt.datetime(2023,6, 17)
+    print("Earliest date examined: " + str(early_cutoff))
     #placeholder for now
     manifest = '../kaylea_dissertation/lifecycle/package_metadata/jupyter-notebook_manifest.yaml'
     with open(manifest, 'r') as stream:
@@ -21,14 +16,36 @@ def main():
             config = yaml.safe_load(stream)
             #below lines will probably need to be refactored as tasks expand
             vcs_path = config['Upstream_VCS']
+            print("------------------")
+            print(vcs_path)
             perceval_obj = pt.main(vcs_path, early_cutoff)
             gha_obj = gha.main(vcs_path, early_cutoff)
             #these are the two variables in the denominator of the formality measure
-            print(perceval_obj['age_of_project'])
-            print(gha_obj['milestone_count'])
+            print("Age of Project: " + str(perceval_obj['age_of_project']))
+            print('Contributor Count: ' + str(len(perceval_obj['contributors'])))
+            print('Collaborator Count: ' + str(len(perceval_obj['collaborators'])))
+            print('Number of Milestones: ' + str(gha_obj['milestone_count']))
+            new_mmt = compute_new_mmt(len(perceval_obj['contributors']), len(perceval_obj['collaborators']))
+            print('New MMT: ' + str(new_mmt))
+            old_mmt = compute_old_mmt(len(perceval_obj['contributors']), len(perceval_obj['collaborators']))
+            print('Old MMT: ' + str(old_mmt))
+            #new mmt formality score
+            new_formality = compute_formality_score(new_mmt, gha_obj['milestone_count'], perceval_obj['age_of_project'])
+            print(new_formality)
         except yaml.YAMLOError as err:
             print(err)
 
+#this is Yoshi 2 MMT per van Meijel
+def compute_new_mmt(contrib_count, collab_count):
+    return (contrib_count + collab_count * 2) / (contrib_count + collab_count)
+
+#this is Yoshi 1 mmt per Tamburri
+def compute_old_mmt(contrib_count, collab_count):
+    return (contrib_count) / (contrib_count + collab_count)
+
+#formality score
+def compute_formality_score(mmt, milestones, lifetime):
+    return mmt / (milestones / lifetime)
 
 if __name__ == "__main__":
     main()

perceval_tasks.py

@@ -1,19 +1,23 @@
 import datetime as dt
 from perceval.backends.core.git import Git
+import argparse
 
 #globals
-repo_dir = '/tmp/perceval.git'
+repo_dir = '/tmp/'
 
 #main function for all subsequent tasks using perceval 
 def main(vcs_path, begin_date):
     perceval_info = {}
     perceval_info['list_of_commits'] = get_perceval_log(vcs_path, begin_date)
     perceval_info['age_of_project'] = get_repo_age(perceval_info['list_of_commits'])
+    perceval_info['contributors'], perceval_info['collaborators'] = get_all_actors(perceval_info['list_of_commits'])
     return perceval_info
 
 
 # this is the primary function for getting the list of commits from perceval
 def get_perceval_log(vcs_path, begin_date):
+    print(vcs_path)
+    repo_dir = '/tmp/' + str(vcs_path[0].split('/')[-1]) + ".git"
     repo = Git(uri=vcs_path[0], gitpath=repo_dir)
     # this is a temporary date_from, will need to be more inclusive in the future
     fetched_commits = repo.fetch(from_date=begin_date)
@@ -25,15 +29,25 @@ def get_repo_age(all_commits):
     last_commit = all_commits[-1]
     first_date = dt.datetime.strptime(first_commit['data']["CommitDate"], '%c %z')
     last_date = dt.datetime.strptime(last_commit['data']["CommitDate"], '%c %z')
-    print(first_date)
-    print("---------------------")
-    print(last_date)
     #project life, as defined in YOSHI, unit is days
     project_life = last_date - first_date
-    print(project_life)
-    return project_life
+    return project_life.total_seconds() / 86400
 
+#attempt at getting the rosters, though need to make sure that we can get the MR
+def get_all_actors(all_commits):
+    #collaborators are more senior than contributors, doing it by author/commit
+    authors = []
+    committers = []
+    for commit in all_commits:
+        author = commit['data']['Author']
+        committer = commit['data']['Commit']
+        if committer not in committers:
+            committers.append(committer)
+        if author not in authors:
+            authors.append(author)
+    # now cleaning lists
+    for committer in committers:
+        if committer in authors:
+            authors.remove(committer)
+    return authors, committers
 
-if __name__ == "__main__":
-    manifest = '../kaylea_dissertation/lifecycle/package_metadata/woof_manifest.yaml'
-    main(manifest)