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# Copyright 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
import re
import sys
def LoadSupport(input_api):
if 'cloud_storage' not in globals():
# Avoid leaking changes to global sys.path.
_old_sys_path = sys.path
try:
telemetry_path = os.path.join(os.path.dirname(os.path.dirname(
input_api.PresubmitLocalPath())), 'telemetry')
sys.path = [telemetry_path] + sys.path
from telemetry.page import cloud_storage
globals()['cloud_storage'] = cloud_storage
finally:
sys.path = _old_sys_path
return globals()['cloud_storage']
def _GetFilesNotInCloud(input_api):
"""Searches for .sha1 files and uploads them to Cloud Storage.
It validates all the hashes and skips upload if not necessary.
"""
hash_paths = []
for affected_file in input_api.AffectedFiles(include_deletes=False):
hash_path = affected_file.AbsoluteLocalPath()
_, extension = os.path.splitext(hash_path)
if extension == '.sha1':
hash_paths.append(hash_path)
if not hash_paths:
return []
cloud_storage = LoadSupport(input_api)
# Look in both buckets, in case the user uploaded the file manually. But this
# script focuses on WPR archives, so it only uploads to the internal bucket.
hashes_in_cloud_storage = cloud_storage.List(cloud_storage.PUBLIC_BUCKET)
try:
hashes_in_cloud_storage += cloud_storage.List(cloud_storage.INTERNAL_BUCKET)
except (cloud_storage.PermissionError, cloud_storage.CredentialsError):
pass
files = []
for hash_path in hash_paths:
file_hash = cloud_storage.ReadHash(hash_path)
if file_hash not in hashes_in_cloud_storage:
files.append((hash_path, file_hash))
return files
def _SyncFilesToCloud(input_api, output_api):
"""Searches for .sha1 files and uploads them to Cloud Storage.
It validates all the hashes and skips upload if not necessary.
"""
cloud_storage = LoadSupport(input_api)
results = []
for hash_path, file_hash in _GetFilesNotInCloud(input_api):
file_path, _ = os.path.splitext(hash_path)
if not re.match('^([A-Za-z0-9]{40})$', file_hash):
results.append(output_api.PresubmitError(
'Hash file does not contain a valid SHA-1 hash: %s' % hash_path))
continue
if not os.path.exists(file_path):
results.append(output_api.PresubmitError(
'Hash file exists, but file not found: %s' % hash_path))
continue
if cloud_storage.CalculateHash(file_path) != file_hash:
results.append(output_api.PresubmitError(
'Hash file does not match file\'s actual hash: %s' % hash_path))
continue
try:
bucket_input = raw_input('Uploading to Cloud Storage: %s\n'
'Is this file [P]ublic or Google-[i]nternal?'
% file_path).lower()
if 'public'.startswith(bucket_input):
bucket = cloud_storage.PUBLIC_BUCKET
elif ('internal'.startswith(bucket_input) or
'google-internal'.startswith(bucket_input)):
bucket = cloud_storage.INTERNAL_BUCKET
else:
results.append(output_api.PresubmitError(
'Response was neither "public" nor "internal": %s' % bucket_input))
return results
cloud_storage.Insert(bucket, file_hash, file_path)
results.append(output_api.PresubmitNotifyResult(
'Uploaded file to Cloud Storage: %s' % file_path))
except cloud_storage.CloudStorageError, e:
results.append(output_api.PresubmitError(
'Unable to upload to Cloud Storage: %s\n\n%s' % (file_path, e)))
return results
def _VerifyFilesInCloud(input_api, output_api):
"""Searches for .sha1 files and uploads them to Cloud Storage.
It validates all the hashes and skips upload if not necessary.
"""
results = []
for hash_path, _ in _GetFilesNotInCloud(input_api):
results.append(output_api.PresubmitError(
'Attemping to commit hash file, but corresponding '
'data file is not in Cloud Storage: %s' % hash_path))
return results
def _IsNewJsonPageSet(affected_file):
return (affected_file.Action() == 'A' and
'page_sets/data/' not in affected_file.AbsoluteLocalPath()
and affected_file.AbsoluteLocalPath().endswith('.json'))
def _GetNewJsonPageSets(input_api):
return input_api.AffectedFiles(file_filter=_IsNewJsonPageSet)
def CheckChangeOnUpload(input_api, output_api):
results = _SyncFilesToCloud(input_api, output_api)
return results
def CheckChangeOnCommit(input_api, output_api):
results = _VerifyFilesInCloud(input_api, output_api)
return results
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