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##############################################################################
# Copyright (c) 2016 ZTE Corporation
# feng.xiaowei@zte.com.cn
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import re
from operator import itemgetter
from bson.objectid import ObjectId
from concurrent.futures import ThreadPoolExecutor
def thread_execute(method, *args, **kwargs):
with ThreadPoolExecutor(max_workers=2) as executor:
result = executor.submit(method, *args, **kwargs)
return result
class MemCursor(object):
def __init__(self, collection):
self.collection = collection
self.length = len(self.collection)
self.sorted = []
def _is_next_exist(self):
return self.length != 0
@property
def fetch_next(self):
return thread_execute(self._is_next_exist)
def next_object(self):
self.length -= 1
return self.collection.pop()
def sort(self, key_or_list):
for k, v in key_or_list.iteritems():
if v == -1:
reverse = True
else:
reverse = False
self.collection = sorted(self.collection,
key=itemgetter(k), reverse=reverse)
return self
def limit(self, limit):
if limit != 0 and limit < len(self.collection):
self.collection = self.collection[0: limit]
self.length = limit
return self
def skip(self, skip):
if skip < self.length and (skip > 0):
self.collection = self.collection[self.length - skip: -1]
self.length -= skip
elif skip >= self.length:
self.collection = []
self.length = 0
return self
def _count(self):
return self.length
def count(self):
return thread_execute(self._count)
class MemDb(object):
def __init__(self, name):
self.name = name
self.contents = []
pass
def _find_one(self, spec_or_id=None, *args):
if spec_or_id is not None and not isinstance(spec_or_id, dict):
spec_or_id = {"_id": spec_or_id}
if '_id' in spec_or_id:
spec_or_id['_id'] = str(spec_or_id['_id'])
cursor = self._find(spec_or_id, *args)
for result in cursor:
return result
return None
def find_one(self, spec_or_id=None, *args):
return thread_execute(self._find_one, spec_or_id, *args)
def _insert(self, doc_or_docs, check_keys=True):
docs = doc_or_docs
return_one = False
if isinstance(docs, dict):
return_one = True
docs = [docs]
if check_keys:
for doc in docs:
self._check_keys(doc)
ids = []
for doc in docs:
if '_id' not in doc:
doc['_id'] = str(ObjectId())
if not self._find_one(doc['_id']):
ids.append(doc['_id'])
self.contents.append(doc_or_docs)
if len(ids) == 0:
return None
if return_one:
return ids[0]
else:
return ids
def insert(self, doc_or_docs, check_keys=True):
return thread_execute(self._insert, doc_or_docs, check_keys)
@staticmethod
def _compare_date(spec, value):
gte = True
lt = False
for k, v in spec.iteritems():
if k == '$gte' and value < v:
gte = False
elif k == '$lt' and value < v:
lt = True
return gte and lt
def _in(self, content, *args):
if self.name == 'scenarios':
return self._in_scenarios(content, *args)
else:
return self._in_others(content, *args)
def _in_scenarios_installer(self, installer, content):
hit = False
for s_installer in content['installers']:
if installer == s_installer['installer']:
hit = True
return hit
def _in_scenarios_version(self, version, content):
hit = False
for s_installer in content['installers']:
for s_version in s_installer['versions']:
if version == s_version['version']:
hit = True
return hit
def _in_scenarios_project(self, project, content):
hit = False
for s_installer in content['installers']:
for s_version in s_installer['versions']:
for s_project in s_version['projects']:
if project == s_project['project']:
hit = True
return hit
def _in_scenarios(self, content, *args):
for arg in args:
for k, v in arg.iteritems():
if k == 'installers':
for inner in v.values():
for i_k, i_v in inner.iteritems():
if i_k == 'installer':
return self._in_scenarios_installer(i_v,
content)
elif i_k == 'versions.version':
return self._in_scenarios_version(i_v,
content)
elif i_k == 'versions.projects.project':
return self._in_scenarios_project(i_v,
content)
elif content.get(k, None) != v:
return False
return True
def _in_others(self, content, *args):
for arg in args:
for k, v in arg.iteritems():
if k == 'start_date':
if not MemDb._compare_date(v, content.get(k)):
return False
elif k == 'trust_indicator.current':
if content.get('trust_indicator').get('current') != v:
return False
elif not isinstance(v, dict):
if isinstance(v, re._pattern_type):
if v.match(content.get(k, None)) is None:
return False
else:
if content.get(k, None) != v:
return False
return True
def _find(self, *args):
res = []
for content in self.contents:
if self._in(content, *args):
res.append(content)
return res
def find(self, *args):
return MemCursor(self._find(*args))
def _aggregate(self, *args, **kwargs):
res = self.contents
print args
for arg in args[0]:
for k, v in arg.iteritems():
if k == '$match':
res = self._find(v)
cursor = MemCursor(res)
for arg in args[0]:
for k, v in arg.iteritems():
if k == '$sort':
cursor = cursor.sort(v)
elif k == '$skip':
cursor = cursor.skip(v)
elif k == '$limit':
cursor = cursor.limit(v)
return cursor
def aggregate(self, *args, **kwargs):
return self._aggregate(*args, **kwargs)
def _update(self, spec, document, check_keys=True):
updated = False
if check_keys:
self._check_keys(document)
for index in range(len(self.contents)):
content = self.contents[index]
if self._in(content, spec):
for k, v in document.iteritems():
updated = True
content[k] = v
self.contents[index] = content
return updated
def update(self, spec, document, check_keys=True):
return thread_execute(self._update, spec, document, check_keys)
def _remove(self, spec_or_id=None):
if spec_or_id is None:
self.contents = []
if not isinstance(spec_or_id, dict):
spec_or_id = {'_id': spec_or_id}
for index in range(len(self.contents)):
content = self.contents[index]
if self._in(content, spec_or_id):
del self.contents[index]
return True
return False
def remove(self, spec_or_id=None):
return thread_execute(self._remove, spec_or_id)
def clear(self):
self._remove()
def _check_keys(self, doc):
for key in doc.keys():
if '.' in key:
raise NameError('key {} must not contain .'.format(key))
if key.startswith('$'):
raise NameError('key {} must not start with $'.format(key))
if isinstance(doc.get(key), dict):
self._check_keys(doc.get(key))
def __getattr__(name):
return globals()[name]
pods = MemDb('pods')
projects = MemDb('projects')
testcases = MemDb('testcases')
results = MemDb('results')
scenarios = MemDb('scenarios')
tokens = MemDb('tokens')
users = MemDb('users')
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