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gitea-github-sync
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clean up the code a fair bit

This commit is contained in:
stupidcomputer 2024-10-09 03:17:22 -05:00
parent 6e8a193f8f
commit 4804488943
3 changed files with 130 additions and 111 deletions
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160
bridge/__init__.py
View File

@ -4,7 +4,9 @@ from flask import redirect
from flask import abort
import requests
import base64
from .webgit import Gitea, Github
from .utils import issue_sentinel, generate_sentinel
app = Flask(__name__)
app.config.from_envvar('GIT_BRIDGE_SETTINGS')
@ -15,6 +17,19 @@ def index():
@app.route("/bridge/endpoints/gitea/repo", methods=["POST"])
def gitea_handle_repo_action():
"""
Our plan of action for handling these events:
- ignore deleting repositories -- this is a potentially destructive operation
that *only* *the* *user* *should* *do*
- create a cooresponding repo on github
- create a push mirror to github so pushes to gitea get to github
- create webhooks for issues (and in the future, pull requests) on both
Gitea and Github ends
"""
gitea = Gitea(app.config["GITEA_ACCESS_TOKEN"])
github = Github(app.config["GITHUB_ACCESS_TOKEN"])
data = request.json
try:
@ -29,20 +44,10 @@ def gitea_handle_repo_action():
except KeyError:
abort(400) # the data isn't formatted correctly
"""
Our plan of action for handling these events:
- ignore deleting repositories -- this is a potentially destructive operation
that *only* *the* *user* *should* *do*
- create a cooresponding repo on github
- create a push mirror to github so pushes to gitea get to github
- create webhooks for issues (and in the future, pull requests) on both
Gitea and Github ends
"""
if not repo_action == "created":
return ''
github_created_repo_result = requests.post(
github_created_repo_result = github.post(
"https://api.github.com/user/repos",
json={
"name": repo_name,
@ -53,21 +58,11 @@ def gitea_handle_repo_action():
repo_name,
),
},
headers={
"Accept": "application/vnd.github+json",
"Authorization": "token " + app.config["GITHUB_ACCESS_TOKEN"],
"X-GitHub-Api-Version": "2022-11-28",
},
)
try:
github_created_repo_result.raise_for_status()
except requests.exceptions.HTTPError:
abort(500)
new_github_repo_url = github_created_repo_result.json()["html_url"]
gitea_add_github_repo_url_result = requests.patch(
gitea_add_github_repo_url_result = gitea.patch(
"https://{}/api/v1/repos/{}/{}".format(
app.config["GITEA_INSTANCE_DOMAIN"],
repo_owner,
@ -76,17 +71,9 @@ def gitea_handle_repo_action():
json={
"website": new_github_repo_url,
},
headers={
"Authorization": "token " + app.config["GITEA_ACCESS_TOKEN"],
},
)
try:
gitea_add_github_repo_url_result.raise_for_status()
except requests.exceptions.HTTPError:
abort(500)
gitea_push_target_result = requests.post(
gitea_push_target_result = gitea.post(
"https://{}/api/v1/repos/{}/{}/push_mirrors".format(
app.config["GITEA_INSTANCE_DOMAIN"],
repo_owner,
@ -99,33 +86,17 @@ def gitea_handle_repo_action():
"remote_username": repo_owner,
"sync_on_commit": True,
},
headers={
"Authorization": "token " + app.config["GITEA_ACCESS_TOKEN"],
},
)
try:
gitea_push_target_result.raise_for_status()
except requests.exceptions.HTTPError:
abort(500)
gitea_force_target_push = requests.post(
gitea_force_target_push = gitea.post(
"https://{}/api/v1/repos/{}/{}/push_mirrors-sync".format(
app.config["GITEA_INSTANCE_DOMAIN"],
repo_owner,
repo_name
),
headers={
"Authorization": "token " + app.config["GITEA_ACCESS_TOKEN"],
},
)
try:
gitea_force_target_push.raise_for_status()
except requests.exceptions.HTTPError:
abort(500)
github_create_webhook_result = requests.post(
github_create_webhook_result = github.post(
"https://api.github.com/repos/{}/{}/hooks".format(
repo_owner,
repo_name,
@ -142,19 +113,9 @@ def gitea_handle_repo_action():
"issues", "issue_comment",
],
},
headers={
"Accept": "application/vnd.github+json",
"Authorization": "token " + app.config["GITHUB_ACCESS_TOKEN"],
"X-GitHub-Api-Version": "2022-11-28",
},
)
try:
github_create_webhook_result.raise_for_status()
except requests.exceptions.HTTPError:
abort(500)
gitea_create_webhook_result = requests.post(
gitea_create_webhook_result = gitea.post(
"https://{}/api/v1/repos/{}/{}/hooks".format(
app.config["GITEA_INSTANCE_DOMAIN"],
repo_owner,
@ -174,20 +135,31 @@ def gitea_handle_repo_action():
"issues", "issue_comment",
],
},
headers={
"Authorization": "token " + app.config["GITEA_ACCESS_TOKEN"],
},
)
try:
gitea_create_webhook_result.raise_for_status()
except requests.exceptions.HTTPError:
abort(500)
return ''
@app.route("/bridge/endpoints/gitea/issue", methods=["POST"])
def gitea_handle_issue_action():
"""
firstly, check if the sentinal is in the issue body
- if it is, then stop processing the event
(we don't want infinite loops)
if we've opened an issue:
- create a new one on the Github side
- make it relate to the Gitea one
- make the Gitea one related to the Github one
if we've commented:
- add a comment to the cooresponding Github issue
if we've closed:
- add a cooresponding comment and close the Github issue
"""
gitea = Gitea(app.config["GITEA_ACCESS_TOKEN"])
github = Github(app.config["GITHUB_ACCESS_TOKEN"])
data = request.json
try:
@ -218,23 +190,7 @@ def gitea_handle_issue_action():
print(e, type(e))
abort(400) # the data isn't formatted correctly
"""
firstly, check if the sentinal is in the issue body
- if it is, then stop processing the event
(we don't want infinite loops)
if we've opened an issue:
- create a new one on the Github side
- make it relate to the Gitea one
- make the Gitea one related to the Github one
if we've commented:
- add a comment to the cooresponding Github issue
if we've closed:
- add a cooresponding comment and close the Github issue
"""
if "GITEA_GITHUB_ISSUE_SYNC_SENTINAL" in event_body:
if issue_sentinel in event_body:
return ''
if event_type == "opened":
@ -248,9 +204,9 @@ def gitea_handle_issue_action():
<details>
<summary>Internal issue metadata</summary>
GITEA_GITHUB_ISSUE_SYNC_SENTINAL {}
{}
</details>
""".format(base64.b64encode(event_url.encode("utf-8")).decode("utf-8"))
""".format(generate_sentinel(event_url))
issue_body = "\n\n".join([
issue_header,
@ -258,7 +214,7 @@ def gitea_handle_issue_action():
issue_footer
])
github_create_issue_result = requests.post(
github_create_issue_result = github.post(
"https://api.github.com/repos/{}/{}/issues".format(
repo_owner,
repo_name,
@ -267,18 +223,8 @@ def gitea_handle_issue_action():
"title": event_title,
"body": issue_body,
},
headers={
"Accept": "application/vnd.github+json",
"Authorization": "token " + app.config["GITHUB_ACCESS_TOKEN"],
"X-GitHub-Api-Version": "2022-11-28",
},
)
try:
github_create_issue_result.raise_for_status()
except requests.exceptions.HTTPError:
abort(500)
returned_data = github_create_issue_result.json()
issue_comment_body = """
*This issue is being mirrored on Github [here]({}).*
@ -286,14 +232,14 @@ def gitea_handle_issue_action():
<details>
<summary>Internal issue metadata</summary>
GITEA_GITHUB_ISSUE_SYNC_SENTINEL {}
{}
</details>
""".format(
returned_data["html_url"],
base64.b64encode(returned_data["url"].encode("utf-8")).decode("utf-8")
generate_sentinel(returned_data["url"])
)
gitea_issue_comment_result = requests.post(
gitea_issue_comment_result = gitea.post(
"https://{}/api/v1/repos/{}/{}/issues/{}/comments".format(
app.config["GITEA_INSTANCE_DOMAIN"],
repo_owner,
@ -303,14 +249,6 @@ def gitea_handle_issue_action():
json={
"body": issue_comment_body,
},
headers={
"Authorization": "token " + app.config["GITEA_ACCESS_TOKEN"],
},
)
try:
gitea_issue_comment_result.raise_for_status()
except requests.exceptions.HTTPError:
abort(500)
return ''
return ''

16
bridge/utils.py Normal file
View File

@ -0,0 +1,16 @@
import base64
def to_base64(s: str) -> str:
return base64.b64encode(
s.encode("utf-8")
).decode("utf-8")
def from_base64(s: str) -> str:
return base64.b64decode(
s.encode("utf-8")
).decode("utf-8")
issue_sentinel = "GITEA_GITHUB_ISSUE_SYNC_SENTINEL"
def generate_sentinel(url: str) -> str:
return ' '.join([sentinel, to_base64(url)])

65
bridge/webgit.py Normal file
View File

@ -0,0 +1,65 @@
from typing import Any
from dataclasses import dataclass, field
import requests
from requests import Request, Session
from requests.exceptions import HTTPError
from flask import abort
@dataclass
class WebgitClient:
"""
A quite thin wrapper around various code forges' REST APIs.
Designed to be subclassed.
"""
api_token: str
headers: Any = field(init=False)
def _post_request(self, request_obj):
try:
request_obj.raise_for_status()
except HTTPError as e:
print("An exception occured: {}({})".format(
type(e).__name__, e
))
abort(500)
def _request_wrapper(self, method, *args, **kwargs):
s = Session()
r = Request(method, *args, **kwargs, headers=self.headers)
prepped = s.prepare_request(r)
settings = s.merge_environment_settings(prepped.url, {}, None, None, None)
r = s.send(prepped, **settings)
self._post_request(r)
return r
def post(self, *args, **kwargs):
return self._request_wrapper("POST", *args, **kwargs)
def patch(self, *args, **kwargs):
return self._request_wrapper("PATCH", *args, **kwargs)
@dataclass
class Github(WebgitClient):
"""
A quite thin wrapper around Github's REST API.
"""
def __post_init__(self):
self.headers = {
"Accept": "application/vnd.github+json",
"Authorization": "token " + self.api_token,
"X-GitHub-Api-Version": "2022-11-28",
}
@dataclass
class Gitea(WebgitClient):
"""
A quite thin wrapper around Gitea's REST API.
"""
def __post_init__(self):
self.headers = {
"Authorization": "token " + self.api_token,
}