mirror of
https://gitlab.wikimedia.org/ladsgroup/Phabricator-maintenance-bot
synced 2024-11-24 04:52:38 +01:00
122 lines
4.7 KiB
Python
Executable file
122 lines
4.7 KiB
Python
Executable file
import re
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import time
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from collections import defaultdict
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from lib import Client
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class Checker():
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def __init__(self, gerrit_bot_phid, project_patch_for_review_phid, client):
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self.gerrit_bot_phid = gerrit_bot_phid
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self.project_patch_for_review_phid = project_patch_for_review_phid
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self.client = client
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def check(self, t_id):
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"""
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Returns true if the Patch-For-Review project should be removed from the Phabricator
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task identified 't_id'.
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"""
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phid = self.client.lookupPhid(t_id)
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return self.phid_check(phid)
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def get_change_url(self, raw_comment):
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m = re.search(r'https://gerrit(?:-test|)\.wikimedia\.org/r/\d+', raw_comment)
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if m:
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return m[0]
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m = re.search(r'https://gitlab\.wikimedia\.org/repos/.*/-/merge_requests/\d+', raw_comment)
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if m:
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return m[0]
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return None
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def get_operation_type(self, raw_comment, url):
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"""
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If the operation type can be determined from raw_comment, return
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it. It will be the string "open" (first patchset created or merge
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request created) or "close" (merge or abandon)
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"""
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# Gitlab style
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if re.search(r"opened " + re.escape(url), raw_comment):
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return "open"
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if re.search(r"(merged|closed) " + re.escape(url), raw_comment):
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return "close"
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# Gerrit style
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if re.search(r"Change \d+ had a related patch set uploaded", raw_comment):
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return "open"
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if re.search(r'Change \d+ \*\*(?:merged|abandoned)\*\* by ', raw_comment):
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return "close"
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return None
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def phid_check(self, phid) -> bool:
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"""
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Returns true if the Patch-For-Review project should be removed from the Phabricator
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task identified by 'phid'.
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"""
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gerrit_bot_actions = []
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# Note that transactions are returned in reverse chronological order (most recent first).
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for transaction in self.client.getTransactions(phid):
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if re.findall(re.escape('https://github.com/') + r'.+?/pull', str(transaction)):
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return False
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if transaction['authorPHID'] == self.gerrit_bot_phid:
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gerrit_bot_actions.append(transaction)
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else:
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# If someone other than GerritBot adds the Patch-For-Review project, don't
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# auto-remove it.
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if transaction['type'] == 'projects':
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check = self.project_patch_for_review_phid in str(
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transaction['fields'])
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add_check = "'add'" in str(transaction['fields'])
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if check and add_check:
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return False
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gerrit_patch_status = defaultdict(list)
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for case in gerrit_bot_actions:
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if case['type'] != 'comment':
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continue
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if len(case['comments']) != 1:
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return False
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raw_comment = case['comments'][0]['content']['raw']
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change_url = self.get_change_url(raw_comment)
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if change_url:
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op = self.get_operation_type(raw_comment, change_url)
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# Append True or False depending on whether the action was to
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# open/reopen a change (True) or merge a change (False)
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gerrit_patch_status[change_url].append(op in ["open", "reopen"])
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for patch in gerrit_patch_status:
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# The normal sequence of GerritBot transactions for a Gerrit change is "Change
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# \d+ had a related patch set uploaded" (indicated by True in
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# gerrit_patch_status) eventually followed by "Change \d+ (merged|abandoned)
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# by whoever" (indicated by False in gerrit_patch_status). The transactions
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# are returned in reverse order so the opened/merged pattern will appear as
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# the reverse of [True, False], which is [False, True].
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# FIXME: This logic can't handle a open/close/reopen/merge situation.
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if gerrit_patch_status[patch] != [False, True]:
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return False
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return True
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if __name__ == "__main__":
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client = Client.newFromCreds()
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gerrit_bot_phid = 'PHID-USER-idceizaw6elwiwm5xshb'
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project_patch_for_review_phid = 'PHID-PROJ-onnxucoedheq3jevknyr'
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checker = Checker(
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gerrit_bot_phid,
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project_patch_for_review_phid,
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client)
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gen = client.getTasksWithProject(project_patch_for_review_phid)
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for phid in gen:
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if checker.phid_check(phid):
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print(client.taskDetails(phid)['id'])
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try:
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client.removeProjectByPhid(project_patch_for_review_phid, phid)
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except BaseException:
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continue
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time.sleep(10)
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