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models.py
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models.py
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import json
import time
from datetime import datetime
from celery import group
from celery.utils.log import get_task_logger
from django.conf import settings
from django.db.models import F
from ocldev.oclfleximporter import OclFlexImporter
from pydash import compact, get
from core.collections.models import Collection
from core.common.constants import HEAD
from core.common.services import RedisService
from core.common.tasks import bulk_import_parts_inline, delete_organization
from core.common.utils import drop_version
from core.concepts.models import Concept
from core.mappings.models import Mapping
from core.orgs.models import Organization
from core.sources.models import Source
from core.users.models import UserProfile
logger = get_task_logger(__name__)
class ImportResults:
def __init__(self, importer):
self.json = json.loads(importer.import_results.to_json())
self.detailed_summary = importer.import_results.get_detailed_summary()
self.report = importer.import_results.display_report()
def to_dict(self):
return dict(
json=self.json, detailed_summary=self.detailed_summary, report=self.report
)
class BaseImporter:
def __init__(
self, content, username, update_if_exists, user=None, parse_data=True, set_user=True
): # pylint: disable=too-many-arguments
self.input_list = []
self.user = None
self.result = None
self.importer = None
self.content = content
self.username = username
self.update_if_exists = update_if_exists
if parse_data:
self.populate_input_list()
if set_user:
self.set_user()
if user:
self.user = user
def populate_input_list(self):
if isinstance(self.content, list):
self.input_list = self.content
else:
for line in self.content.splitlines():
self.input_list.append(json.loads(line))
def set_user(self):
self.user = UserProfile.objects.get(username=self.username)
def run(self):
raise NotImplementedError()
class BulkImport(BaseImporter):
def __init__(self, content, username, update_if_exists):
super().__init__(content, username, update_if_exists)
self.initialize_importer()
def initialize_importer(self):
self.importer = OclFlexImporter(
input_list=self.input_list,
api_url_root=settings.API_BASE_URL,
api_token=self.user.get_token(),
do_update_if_exists=self.update_if_exists
)
def run(self):
self.importer.process()
self.result = ImportResults(self.importer)
return self.result.to_dict()
CREATED = 1
UPDATED = 2
FAILED = 3
DELETED = 4
NOT_FOUND = 5
class BaseResourceImporter:
mandatory_fields = set()
allowed_fields = []
def __init__(self, data, user, update_if_exists=False):
self.user = user
self.data = data
self.update_if_exists = update_if_exists
self.queryset = None
def get(self, attr, default_value=None):
return self.data.get(attr, default_value)
def parse(self):
self.data = self.get_filter_allowed_fields()
self.data['created_by'] = self.data['updated_by'] = self.user
def get_filter_allowed_fields(self):
return {k: v for k, v in self.data.items() if k in self.allowed_fields}
def is_valid(self):
return self.mandatory_fields.issubset(self.data.keys())
def get_owner_type(self):
return self.get('owner_type', '').lower()
def is_user_owner(self):
return self.get_owner_type() == 'user'
def is_org_owner(self):
return self.get_owner_type() == 'organization'
def get_owner_type_filter(self):
if self.is_user_owner():
return 'user__username'
return 'organization__mnemonic'
def get_owner(self):
owner = self.get('owner')
if self.is_org_owner():
return Organization.objects.filter(mnemonic=owner).first()
return UserProfile.objects.filter(username=owner).first()
@staticmethod
def exists():
return False
def clean(self):
if not self.is_valid():
return False
if self.exists():
return None
self.parse()
return True
def run(self):
is_clean = self.clean()
if not is_clean:
return is_clean
return self.process()
def process(self):
raise NotImplementedError()
class OrganizationImporter(BaseResourceImporter):
mandatory_fields = {'id', 'name'}
allowed_fields = ["id", "company", "extras", "location", "name", "public_access", "website"]
def exists(self):
return self.get_queryset().exists()
def get_queryset(self):
return Organization.objects.filter(mnemonic=self.get('id'))
def parse(self):
super().parse()
self.data['mnemonic'] = self.data.pop('id')
def process(self):
org = Organization.objects.create(**self.data)
if org:
return CREATED
return FAILED
def delete(self):
if self.exists():
delete_organization(self.get_queryset().first().id)
return DELETED
return NOT_FOUND
class SourceImporter(BaseResourceImporter):
mandatory_fields = {'id', 'short_code', 'name', 'full_name', 'owner_type', 'owner', 'source_type'}
allowed_fields = [
"id", "short_code", "name", "full_name", "description", "source_type", "custom_validation_schema",
"public_access", "default_locale", "supported_locales", "website", "extras", "external_id",
'canonical_url', 'identifier', 'contact', 'jurisdiction', 'publisher', 'purpose', 'copyright',
'revision_date', 'text', 'content_type',
]
def exists(self):
return self.get_queryset().exists()
def get_queryset(self):
return Source.objects.filter(
**{self.get_owner_type_filter(): self.get('owner'), 'mnemonic': self.get('id')}
)
def parse(self):
owner_type = self.get('owner_type').lower()
owner = self.get_owner()
super().parse()
self.data['mnemonic'] = self.data.pop('id')
self.data[owner_type] = owner
self.data['version'] = 'HEAD'
supported_locales = self.get('supported_locales')
if isinstance(supported_locales, str):
self.data['supported_locales'] = supported_locales.split(',')
self.data.pop('short_code')
def process(self):
source = Source(**self.data)
errors = Source.persist_new(source, self.user)
return errors or CREATED
def delete(self):
if self.exists():
source = self.get_queryset().first()
try:
source.delete()
return DELETED
except Exception as ex:
return dict(errors=ex.args)
return NOT_FOUND
class SourceVersionImporter(BaseResourceImporter):
mandatory_fields = {"id"}
allowed_fields = ["id", "external_id", "description", "released"]
def exists(self):
return Source.objects.filter(
**{self.get_owner_type_filter(): self.get('owner'),
'mnemonic': self.get('source'), 'version': self.get('id')}
).exists()
def parse(self):
owner_type = self.get('owner_type').lower()
owner = self.get_owner()
source = self.get('source')
super().parse()
self.data['version'] = self.data.pop('id')
self.data['mnemonic'] = source
self.data[owner_type] = owner
def process(self):
source = Source(**self.data)
errors = Source.persist_new_version(source, self.user)
return errors or UPDATED
class CollectionImporter(BaseResourceImporter):
mandatory_fields = {'id', 'short_code', 'name', 'full_name', 'owner_type', 'owner', 'collection_type'}
allowed_fields = [
"id", "short_code", "name", "full_name", "description", "collection_type", "custom_validation_schema",
"public_access", "default_locale", "supported_locales", "website", "extras", "external_id",
'canonical_url', 'identifier', 'contact', 'jurisdiction', 'publisher', 'purpose', 'copyright',
'revision_date', 'text', 'immutable',
]
def exists(self):
return self.get_queryset().exists()
def get_queryset(self):
return Collection.objects.filter(
**{self.get_owner_type_filter(): self.get('owner'), 'mnemonic': self.get('id')}
)
def parse(self):
owner_type = self.get('owner_type').lower()
owner = self.get_owner()
super().parse()
self.data['mnemonic'] = self.data.pop('id')
self.data[owner_type] = owner
self.data['version'] = 'HEAD'
supported_locales = self.get('supported_locales')
if isinstance(supported_locales, str):
self.data['supported_locales'] = supported_locales.split(',')
self.data.pop('short_code')
def process(self):
coll = Collection(**self.data)
errors = Collection.persist_new(coll, self.user)
return errors or CREATED
def delete(self):
if self.exists():
collection = self.get_queryset().first()
try:
collection.delete()
return DELETED
except Exception as ex:
return dict(errors=ex.args)
return NOT_FOUND
class CollectionVersionImporter(BaseResourceImporter):
mandatory_fields = {"id"}
allowed_fields = ["id", "external_id", "description", "released"]
def exists(self):
return Collection.objects.filter(
**{self.get_owner_type_filter(): self.get('owner'),
'mnemonic': self.get('collection'), 'version': self.get('id')}
).exists()
def parse(self):
owner_type = self.get('owner_type').lower()
owner = self.get_owner()
collection = self.get('collection')
super().parse()
self.data['version'] = self.data.pop('id')
self.data['mnemonic'] = collection
self.data[owner_type] = owner
def process(self):
coll = Collection(**self.data)
errors = Collection.persist_new_version(coll, self.user)
return errors or UPDATED
class ConceptImporter(BaseResourceImporter):
mandatory_fields = {"id"}
allowed_fields = ["id", "external_id", "concept_class", "datatype", "names", "descriptions", "retired", "extras"]
def __init__(self, data, user, update_if_exists):
super().__init__(data, user, update_if_exists)
self.version = False
def exists(self):
return self.get_queryset().exists()
def get_queryset(self):
if self.queryset:
return self.queryset
self.queryset = Concept.objects.filter(
**{'parent__' + self.get_owner_type_filter(): self.get('owner'),
'parent__mnemonic': self.get('source'),
'mnemonic': self.get('id'), 'id': F('versioned_object_id')}
)
return self.queryset
def parse(self):
source = Source.objects.filter(
**{self.get_owner_type_filter(): self.get('owner')}, mnemonic=self.get('source'), version=HEAD
).first()
super().parse()
self.data['parent'] = source
self.data['name'] = self.data['mnemonic'] = self.data.pop('id')
def clean(self):
if not self.is_valid():
return False
if self.exists() and self.update_if_exists:
self.version = True
self.parse()
return True
def process(self):
if self.version:
instance = self.get_queryset().first().clone()
errors = Concept.create_new_version_for(instance, self.data, self.user)
return errors or UPDATED
instance = Concept.persist_new(self.data, self.user)
if instance.id:
return CREATED
return instance.errors or FAILED
class MappingImporter(BaseResourceImporter):
mandatory_fields = {"map_type", "from_concept_url"}
allowed_fields = [
"id", "map_type", "from_concept_url", "to_source_url", "to_concept_url", "to_concept_code",
"to_concept_name", "extras", "external_id"
]
def __init__(self, data, user, update_if_exists):
super().__init__(data, user, update_if_exists)
self.version = False
def exists(self):
return self.get_queryset().exists()
def get_queryset(self):
if self.queryset:
return self.queryset
from_concept_url = self.get('from_concept_url')
to_concept_url = self.get('to_concept_url')
to_concept_code = self.get('to_concept_code')
to_source_url = self.get('to_source_url')
filters = {
'parent__' + self.get_owner_type_filter(): self.get('owner'),
'parent__mnemonic': self.get('source'),
'id': F('versioned_object_id'),
'map_type': self.get('map_type'),
'from_concept__uri__icontains': drop_version(from_concept_url),
}
if to_concept_url:
filters['to_concept__uri__icontains'] = drop_version(to_concept_url)
if to_concept_code and to_source_url:
filters['to_concept_code'] = to_concept_code
filters['to_source__uri__icontains'] = drop_version(to_source_url)
self.queryset = Mapping.objects.filter(**filters)
return self.queryset
def parse(self):
source = Source.objects.filter(
**{self.get_owner_type_filter(): self.get('owner')}, mnemonic=self.get('source'), version=HEAD
).first()
self.data = self.get_filter_allowed_fields()
self.data['parent'] = source
if self.get('id'):
self.data['mnemonic'] = self.data.pop('id')
def clean(self):
if not self.is_valid():
return False
if self.exists() and self.update_if_exists:
self.version = True
self.parse()
return True
def process(self):
if self.version:
instance = self.get_queryset().first().clone()
errors = Mapping.create_new_version_for(instance, self.data, self.user)
return errors or UPDATED
instance = Mapping.persist_new(self.data, self.user)
if instance.id:
return CREATED
return instance.errors or FAILED
class ReferenceImporter(BaseResourceImporter):
mandatory_fields = {"data"}
allowed_fields = ["data", "collection", "owner", "owner_type", "__cascade", "collection_url"]
def exists(self):
return False
def get_queryset(self):
if self.queryset:
return self.queryset
if self.get('collection', None):
self.queryset = Collection.objects.filter(
**{self.get_owner_type_filter(): self.get('owner')}, mnemonic=self.get('collection'), version='HEAD'
)
elif self.get('collection_url', None):
self.queryset = Collection.objects.filter(uri=self.get('collection_url'))
return self.queryset
def process(self):
collection = self.get_queryset().first()
if collection:
(added_references, _) = collection.add_expressions(
self.get('data'), settings.API_BASE_URL, self.user, self.get('__cascade', False)
)
for ref in added_references:
if ref.concepts:
for concept in ref.concepts:
concept.index()
if ref.mappings:
for mapping in ref.mappings:
mapping.index()
return CREATED
return FAILED
class BulkImportInline(BaseImporter):
def __init__( # pylint: disable=too-many-arguments
self, content, username, update_if_exists=False, input_list=None, user=None, set_user=True,
self_task_id=None
):
super().__init__(content, username, update_if_exists, user, not bool(input_list), set_user)
self.self_task_id = self_task_id
if input_list:
self.input_list = input_list
self.unknown = []
self.invalid = []
self.exists = []
self.created = []
self.updated = []
self.deleted = []
self.not_found = []
self.failed = []
self.exception = []
self.others = []
self.processed = 0
self.total = len(self.input_list)
self.start_time = time.time()
self.elapsed_seconds = 0
def handle_item_import_result(self, result, item): # pylint: disable=too-many-return-statements
if result is None:
self.exists.append(item)
return
if result is False:
self.invalid.append(item)
return
if result == FAILED:
self.failed.append(item)
return
if result == DELETED:
self.deleted.append(item)
return
if result == NOT_FOUND:
self.not_found.append(item)
return
if isinstance(result, dict):
item['errors'] = result
self.failed.append(item)
return
if result == CREATED:
self.created.append(item)
return
if result == UPDATED:
self.updated.append(item)
return
print("****Unexpected Result****", result)
self.others.append(item)
def notify_progress(self):
if self.self_task_id:
service = RedisService()
service.set(self.self_task_id, self.processed)
def run(self):
if self.self_task_id:
print("****STARTED SUBPROCESS****")
print("TASK ID: {}".format(self.self_task_id))
print("***************")
for original_item in self.input_list:
self.processed += 1
logger.info('Processing %s of %s', str(self.processed), str(self.total))
self.notify_progress()
item = original_item.copy()
item_type = item.pop('type', '').lower()
action = item.pop('__action', '').lower()
if not item_type:
self.unknown.append(original_item)
if item_type == 'organization':
org_importer = OrganizationImporter(item, self.user, self.update_if_exists)
self.handle_item_import_result(
org_importer.delete() if action == 'delete' else org_importer.run(), original_item
)
continue
if item_type == 'source':
source_importer = SourceImporter(item, self.user, self.update_if_exists)
self.handle_item_import_result(
source_importer.delete() if action == 'delete' else source_importer.run(), original_item
)
continue
if item_type == 'source version':
self.handle_item_import_result(
SourceVersionImporter(item, self.user, self.update_if_exists).run(), original_item
)
continue
if item_type == 'collection':
collection_importer = CollectionImporter(item, self.user, self.update_if_exists)
self.handle_item_import_result(
collection_importer.delete() if action == 'delete' else collection_importer.run(), original_item
)
continue
if item_type == 'collection version':
self.handle_item_import_result(
CollectionVersionImporter(item, self.user, self.update_if_exists).run(), original_item
)
continue
if item_type == 'concept':
self.handle_item_import_result(
ConceptImporter(item, self.user, self.update_if_exists).run(), original_item
)
continue
if item_type == 'mapping':
self.handle_item_import_result(
MappingImporter(item, self.user, self.update_if_exists).run(), original_item
)
continue
if item_type == 'reference':
self.handle_item_import_result(
ReferenceImporter(item, self.user, self.update_if_exists).run(), original_item
)
continue
self.elapsed_seconds = time.time() - self.start_time
self.make_result()
return self.result
@property
def detailed_summary(self):
return "Processed: {}/{} | Created: {} | Updated: {} | DELETED: {} | Existing: {} | Time: {}secs".format(
self.processed, self.total, len(self.created), len(self.updated), len(self.deleted),
len(self.exists), self.elapsed_seconds
)
@property
def json_result(self):
return dict(
total=self.total, processed=self.processed, created=self.created, updated=self.updated,
invalid=self.invalid, exists=self.exists, failed=self.failed, deleted=self.deleted,
not_found=self.not_found, exception=self.exception,
others=self.others, unknown=self.unknown, elapsed_seconds=self.elapsed_seconds
)
@property
def report(self):
return {
k: len(v) if isinstance(v, list) else v for k, v in self.json_result.items()
}
def make_result(self):
self.result = dict(
json=self.json_result, detailed_summary=self.detailed_summary, report=self.report
)
class BulkImportParallelRunner(BaseImporter): # pragma: no cover
def __init__(
self, content, username, update_if_exists, parallel=None, self_task_id=None
): # pylint: disable=too-many-arguments
super().__init__(content, username, update_if_exists, None, False)
self.start_time = time.time()
self.self_task_id = self_task_id
self.username = username
self.total = 0
self.resource_distribution = dict()
self.parallel = int(parallel) if parallel else 5
self.tasks = []
self.groups = []
self.results = []
self.elapsed_seconds = 0
self.resource_wise_time = dict()
self.parts = [[]]
self.result = None
self._json_result = None
self.redis_service = RedisService()
if self.content:
self.input_list = self.content.splitlines()
self.total = len(self.input_list)
self.make_resource_distribution()
self.make_parts()
def make_resource_distribution(self):
for line in self.input_list:
data = json.loads(line)
data_type = data['type']
if data_type not in self.resource_distribution:
self.resource_distribution[data_type] = []
self.resource_distribution[data_type].append(data)
def make_parts(self):
prev_line = None
orgs = self.resource_distribution.get('Organization', None)
sources = self.resource_distribution.get('Source', None)
collections = self.resource_distribution.get('Collection', None)
if orgs:
self.parts = [orgs]
if sources:
self.parts.append(sources)
if collections:
self.parts.append(collections)
self.parts = compact(self.parts)
self.parts.append([])
for data in self.input_list:
line = json.loads(data)
data_type = line.get('type', None).lower()
if data_type not in ['organization', 'source', 'collection']:
if prev_line:
prev_type = prev_line.get('type').lower()
if prev_type == data_type or (
data_type not in ['concept', 'mapping'] and prev_type not in ['concept', 'mapping']
):
self.parts[-1].append(line)
else:
self.parts.append([line])
else:
self.parts[-1].append(line)
prev_line = line
self.parts = compact(self.parts)
@staticmethod
def chunker_list(seq, size):
return (seq[i::size] for i in range(size))
def is_any_process_alive(self):
if not self.groups:
return False
result = True
try:
result = any(grp.completed_count() != len(grp) for grp in self.groups)
except: # pylint: disable=bare-except
pass
return result
def get_overall_tasks_progress(self):
total_processed = 0
if not self.tasks:
return total_processed
for task in self.tasks:
try:
if task.task_id:
total_processed += self.redis_service.get_int(task.task_id)
except: # pylint: disable=bare-except
pass
return total_processed
def get_details_to_notify(self):
summary = "Started: {} | Processed: {}/{} | Time: {}secs".format(
self.start_time_formatted, self.get_overall_tasks_progress(), self.total, self.elapsed_seconds
)
return dict(summary=summary)
def get_sub_task_ids(self):
return {task.task_id: task.state for task in self.tasks}
def notify_progress(self):
if self.self_task_id:
try:
self.redis_service.set_json(self.self_task_id, self.get_details_to_notify())
except: # pylint: disable=bare-except
pass
def wait_till_tasks_alive(self):
while self.is_any_process_alive():
self.update_elapsed_seconds()
self.notify_progress()
time.sleep(1)
def run(self):
if self.self_task_id:
print("****STARTED MAIN****")
print("TASK ID: {}".format(self.self_task_id))
print("***************")
for part_list in self.parts:
if part_list:
part_type = get(part_list, '0.type', '').lower()
if part_type:
is_child = part_type in ['concept', 'mapping', 'reference']
start_time = time.time()
self.queue_tasks(part_list, is_child)
self.wait_till_tasks_alive()
if is_child:
if part_type not in self.resource_wise_time:
self.resource_wise_time[part_type] = 0
self.resource_wise_time[part_type] += (time.time() - start_time)
self.update_elapsed_seconds()
self.make_result()
return self.result
def update_elapsed_seconds(self):
self.elapsed_seconds = time.time() - self.start_time
@property
def detailed_summary(self):
result = self.json_result
return "Started: {} | Processed: {}/{} | Created: {} | Updated: {} | Existing: {} | Time: {}secs".format(
self.start_time_formatted, result.get('processed'), result.get('total'),
len(result.get('created')), len(result.get('updated')), len(result.get('exists')), self.elapsed_seconds
)
@property
def start_time_formatted(self):
return datetime.fromtimestamp(self.start_time)
@property
def json_result(self):
if self._json_result:
return self._json_result
total_result = dict(
total=0, processed=0, created=[], updated=[],
invalid=[], exists=[], failed=[], exception=[],
others=[], unknown=[], elapsed_seconds=self.elapsed_seconds
)
for task in self.tasks:
result = task.result.get('json')
for key in total_result:
total_result[key] += result.get(key)
total_result['start_time'] = self.start_time_formatted
total_result['elapsed_seconds'] = self.elapsed_seconds
total_result['child_resource_time_distribution'] = self.resource_wise_time
self._json_result = total_result
return self._json_result
@property
def report(self):
data = {
k: len(v) if isinstance(v, list) else v for k, v in self.json_result.items()
}
data['child_resource_time_distribution'] = self.resource_wise_time
return data
def make_result(self):
self.result = dict(
json=self.json_result, detailed_summary=self.detailed_summary, report=self.report
)
def queue_tasks(self, part_list, is_child):
if is_child:
chunked_lists = self.chunker_list(part_list, self.parallel)
else:
chunked_lists = [part_list]
chunked_lists = compact(chunked_lists)
queue = 'concurrent'
jobs = group(bulk_import_parts_inline.s(_list, self.username, self.update_if_exists) for _list in chunked_lists)
group_result = jobs.apply_async(queue=queue)
self.groups.append(group_result)
self.tasks += group_result.results