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import json
import time
import datetime
import subprocess
from collections import Counter
import fatcat_client
from fatcat_client.rest import ApiException
"""
checks should return:
- status: pass, fail, warning, skipped
- description
annotation extra should include:
- useragent
- git_rev
- submit timestamp
can apply to individual entity revs, or to entire editgroup
reviewbot takes an editgroup (object) and returns an annotation (object)
"""
class CheckResult:
status = None
description = None
ident = None
rev = None
check_type = None
def __init__(self, status, check_type=None, description=None, **kwargs):
self.status = status
self.check_type = check_type
self.description = description
self.ident = kwargs.get('ident')
self.rev = kwargs.get('rev')
def __repr__(self):
return str(self.__dict__)
class EditCheck:
scope = []
name = None
def check_editgroup(self, editgroup):
raise NotImplementedError
def check_container(self, edit, entity):
raise NotImplementedError
def check_creator(self, edit, entity):
raise NotImplementedError
def check_file(self, edit, entity):
raise NotImplementedError
def check_fileset(self, edit, entity):
raise NotImplementedError
def check_webcapture(self, edit, entity):
raise NotImplementedError
def check_release(self, edit, entity):
raise NotImplementedError
def check_work(self, edit, work):
raise NotImplementedError
class ReviewBot:
def __init__(self, api, verbose=False, **kwargs):
self.api = api
self.checks = []
self.verbose = verbose
self.extra = kwargs.get('extra', dict())
self.extra['git_rev'] = self.extra.get('git_rev',
subprocess.check_output(["git", "describe", "--always"]).strip()).decode('utf-8')
self.extra['agent'] = self.extra.get('agent', 'fatcat_tools.ReviewBot')
self.poll_interval = kwargs.get('poll_interval', 10.0)
def run_single(self, editgroup_id, annotate=True):
eg = self.api.get_editgroup(editgroup_id)
annotation = self.review_editgroup(eg)
if annotate:
api.create_editgroup_annotation(eg.editgroup_id, annotation)
return annotation
def run(self, since=None):
if since == None:
since = datetime.datetime.utcnow()
while True:
# XXX: better isoformat conversion?
eg_list = self.api.get_editgroups_reviewable(since=since.isoformat()[:19] + "Z", limit=100)
if not eg_list:
print("Sleeping {} seconds...".format(self.poll_interval))
time.sleep(self.poll_interval)
continue
for eg in eg_list:
# TODO: fetch annotations to ensure we haven't already annotated
annotation = self.review_editgroup(eg)
print("Reviewed {} disposition:{}".format(
eg.editgroup_id, annotation.extra['disposition']))
self.api.create_editgroup_annotation(eg.editgroup_id, annotation)
since = eg.submitted
# to prevent busy loops (TODO: needs review/rethink; multiple
# editgroups in the same second)
since = since + datetime.timedelta(seconds=1)
def review_editgroup(self, editgroup):
results = self.run_checks(editgroup)
result_counts = self.result_counts(results)
disposition = self.disposition(results)
if disposition == "accept":
comment = "This editgroup looks great! All checks passed."
elif disposition == "revise":
comment = "Some issues were found, and changes or close review are recommended before accepting."
elif disposition == "reject":
comment = "Serious issues were found; this editgroup should **not** be accepted."
else:
raise ValueError
for (status, title) in (('fail', 'Failed check'), ('warning', 'Warnings')):
if result_counts[status] > 0:
comment += "\n\n### {} ({}):\n".format(
status, result_counts[status])
for result in results:
if result.status == status and result.check_type == "editgroup":
comment += "\n- {description}".format(result.description)
if result.status == status and result.check_type != "editgroup":
comment += "\n- {check_type} [{rev}](/{release_type}/rev/{rev}): {description}".format(
check_type=result.check_type,
rev=result.rev,
description=result.description)
extra = self.extra.copy()
extra.update({
"disposition": disposition,
"submit_timestamp": editgroup.submitted.isoformat(),
"checks": [check.name for check in self.checks],
"result_counts": dict(result_counts),
})
annotation = fatcat_client.EditgroupAnnotation(
comment_markdown=comment,
editgroup_id=editgroup.editgroup_id,
extra=extra,
)
return annotation
def result_counts(self, results):
counts = Counter()
for result in results:
counts['total'] += 1
counts[result.status] += 1
return counts
def disposition(self, results):
"""
Returns one of: accept, revise, reject
"""
raise NotImplementedError
def run_checks(self, editgroup):
results = []
# any full-editgroup checks
for check in self.checks:
if "editgroup" in check.scope:
result = check.check_editgroup(editgroup)
if self.verbose:
print(result)
results.append(result)
if not editgroup.edits:
entity_edits = {}
else:
entity_edits = {
"container": editgroup.edits.containers,
"creator": editgroup.edits.creators,
"file": editgroup.edits.files,
"fileset": editgroup.edits.filesets,
"webcapture": editgroup.edits.webcaptures,
"release": editgroup.edits.releases,
"work": editgroup.edits.works,
}
# entity-specific checks
for entity_type, edits in entity_edits.items():
for edit in edits:
entity = None
for check in self.checks:
if entity_type in check.scope:
# hack-y python munging
get_method = getattr(api, "get_{}_rev".format(entity_type))
check_method = getattr(check, "check_{}".format(entity_type))
entity = get_method(api, edit.rev)
result = check_method(check, edit, entity)
result.rev = edit.rev
result.ident = edit.ident
if self.verbose:
print(result)
results.append(result)
return results
class DummyCheck(EditCheck):
scope = ["editgroup", "work"]
name = "DummyCheck"
def check_editgroup(self, editgroup):
return CheckResult("pass", "editgroup",
"every edit is precious, thanks [editor {editor_id}](/editor/{editor_id})!".format(
editor_id=editgroup.editor_id))
def check_work(self, entity, edit):
return CheckResult("pass", "work", "this work edit is beautiful")
class DummyReviewBot(ReviewBot):
"""
This bot reviews everything and always passes.
"""
def __init__(self, api, **kwargs):
super().__init__(api, **kwargs)
self.checks = [DummyCheck()]
def disposition(self, results):
return "accept"
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