Remove the dependency on the PyGithub library #349

Signed-off-by: tdruez <tdruez@nexb.com>

Author: tdruez

workflow/integrations/github.py

@@ -6,22 +6,27 @@
 # See https://aboutcode.org for more information about AboutCode FOSS projects.
 #
 
-
 from urllib.parse import urlparse
 
 from django.conf import settings
 
-from github import Github
+import requests
 
+GITHUB_API_URL = "https://api.github.com"
 
-def handle_integration(request):
+
+def get_headers():
     github_token = settings.DEJACODE_GITHUB_INTEGRATION_TOKEN
     if not github_token:
         raise Exception("DEJACODE_GITHUB_INTEGRATION_TOKEN is not set.")
 
-    github_api = Github(github_token)
+    return {
+        "Authorization": f"token {github_token}",
+    }
+
+
+def handle_integration(request):
     repo_id = extract_github_repo_path(request.request_template.issue_tracker_id)
-    repo = github_api.get_repo(repo_id)
 
     labels = []
     if request.priority:
@@ -30,21 +35,52 @@ def handle_integration(request):
     external_issue = request.external_issue
 
     if external_issue:  # Update existing issue on GitHib
-        issue = repo.get_issue(number=int(external_issue.issue_id))
-        state = "closed" if request.is_closed else "open"
-        issue.edit(
+        update_issue(
+            repo_id=repo_id,
+            issue_number=external_issue.issue_id,
             title=make_issue_title(request),
             body=make_issue_body(request),
-            state=state,
+            state="closed" if request.is_closed else "open",
         )
     else:
-        issue = repo.create_issue(
+        issue = create_issue(
+            repo_id=repo_id,
             title=make_issue_title(request),
             body=make_issue_body(request),
             labels=labels,
         )
         # Create an ExternalIssueLink instance and assign to the Request.
-        request.link_external_issue(platform="github", repo=repo_id, issue_id=issue.number)
+        request.link_external_issue(
+            platform="github",
+            repo=repo_id,
+            issue_id=issue["number"],
+        )
+
+
+def create_issue(repo_id, title, body=None, labels=None):
+    url = f"{GITHUB_API_URL}/repos/{repo_id}/issues"
+    data = {"title": title}
+    if body:
+        data["body"] = body
+    if labels:
+        data["labels"] = labels
+
+    response = requests.post(url, json=data, headers=get_headers(), timeout=10)
+    return response.json()
+
+
+def update_issue(repo_id, issue_number, title=None, body=None, state=None):
+    url = f"{GITHUB_API_URL}/repos/{repo_id}/issues/{issue_number}"
+    data = {}
+    if title:
+        data["title"] = title
+    if body:
+        data["body"] = body
+    if state:
+        data["state"] = state
+
+    response = requests.patch(url, json=data, headers=get_headers(), timeout=10)
+    return response.json()
 
 
 def make_issue_title(request):
@@ -65,8 +101,8 @@ def make_issue_body(request):
 
     for question in request.get_serialized_data_as_list():
         value = question.get("value")
-        if question.get("input_type") == 'BooleanField':
-            value = "Yes" if value in [1, '1'] else "No"
+        if question.get("input_type") == "BooleanField":
+            value = "Yes" if value in [1, "1"] else "No"
         lines.append(f"### {question.get('label')}\n{value}")
 
     return "\n\n".join(lines)