312 lines
14 KiB
Python
312 lines
14 KiB
Python
import hashlib
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import pandas as pd
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from crc import session, app
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from crc.api.common import ApiError
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from crc.models.file import FileModel, FileDataModel
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from crc.models.workflow import WorkflowSpecModel, WorkflowSpecCategoryModel
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from crc.services.file_service import FileService
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from crc.services.workflow_sync import WorkflowSyncService
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from crc.api.workflow import get_workflow_specification
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def get_sync_workflow_specification(workflow_spec_id):
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return get_workflow_specification(workflow_spec_id)
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def join_uuids(uuids):
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"""Joins a pandas Series of uuids and combines them in one hash"""
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combined_uuids = ''.join([str(uuid) for uuid in uuids.sort_values()]) # ensure that values are always
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# in the same order
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return hashlib.md5(combined_uuids.encode('utf8')).hexdigest() # make a hash of the hashes
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def verify_token(token, required_scopes):
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if token == app.config['API_TOKEN']:
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return {'scope':['any']}
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else:
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raise ApiError("permission_denied", "API Token information is not correct")
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def get_changed_workflows(remote,as_df=False):
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"""
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gets a remote endpoint - gets the workflows and then
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determines what workflows are different from the remote endpoint
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"""
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remote_workflows_list = WorkflowSyncService.get_all_remote_workflows(remote)
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remote_workflows = pd.DataFrame(remote_workflows_list)
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# get the local thumbprints & make sure that 'workflow_spec_id' is a column, not an index
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local = get_all_spec_state_dataframe().reset_index()
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# merge these on workflow spec id and hash - this will
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# make two different date columns date_x and date_y
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different = remote_workflows.merge(local,
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right_on=['workflow_spec_id','md5_hash'],
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left_on=['workflow_spec_id','md5_hash'],
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how = 'outer' ,
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indicator=True).loc[lambda x : x['_merge']!='both']
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if len(different)==0:
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return []
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# each line has a tag on it - if was in the left or the right,
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# label it so we know if that was on the remote or local machine
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different.loc[different['_merge']=='left_only','location'] = 'remote'
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different.loc[different['_merge']=='right_only','location'] = 'local'
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# this takes the different date_created_x and date-created_y columns and
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# combines them back into one date_created column
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index = different['date_created_x'].isnull()
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different.loc[index,'date_created_x'] = different[index]['date_created_y']
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different = different[['workflow_spec_id','date_created_x','location']].copy()
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different.columns=['workflow_spec_id','date_created','location']
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# our different list will have multiple entries for a workflow if there is a version on either side
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# we want to grab the most recent one, so we sort and grab the most recent one for each workflow
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changedfiles = different.sort_values('date_created',ascending=False).groupby('workflow_spec_id').first()
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# get an exclusive or list of workflow ids - that is we want lists of files that are
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# on one machine or the other, but not both
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remote_spec_ids = remote_workflows[['workflow_spec_id']]
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local_spec_ids = local[['workflow_spec_id']]
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left = remote_spec_ids[~remote_spec_ids['workflow_spec_id'].isin(local_spec_ids['workflow_spec_id'])]
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right = local_spec_ids[~local_spec_ids['workflow_spec_id'].isin(remote_spec_ids['workflow_spec_id'])]
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# flag files as new that are only on the remote box and remove the files that are only on the local box
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changedfiles['new'] = False
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changedfiles.loc[changedfiles.index.isin(left['workflow_spec_id']), 'new'] = True
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output = changedfiles[~changedfiles.index.isin(right['workflow_spec_id'])]
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# return the list as a dict, let swagger convert it to json
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if as_df:
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return output
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else:
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return output.reset_index().to_dict(orient='records')
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def sync_all_changed_workflows(remote):
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workflowsdf = get_changed_workflows(remote,as_df=True)
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if len(workflowsdf) ==0:
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return []
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workflows = workflowsdf.reset_index().to_dict(orient='records')
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for workflow in workflows:
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sync_changed_files(remote,workflow['workflow_spec_id'])
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return [x['workflow_spec_id'] for x in workflows]
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def sync_changed_files(remote,workflow_spec_id):
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# make sure that spec is local before syncing files
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specdict = WorkflowSyncService.get_remote_workflow_spec(remote,workflow_spec_id)
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localspec = session.query(WorkflowSpecModel).filter(WorkflowSpecModel.id == workflow_spec_id).first()
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if localspec is None:
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localspec = WorkflowSpecModel()
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localspec.id = workflow_spec_id
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if specdict['category'] == None:
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localspec.category = None
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else:
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localcategory = session.query(WorkflowSpecCategoryModel).filter(WorkflowSpecCategoryModel.name
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== specdict['category']['name']).first()
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if localcategory == None:
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#category doesn't exist - lets make it
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localcategory = WorkflowSpecCategoryModel()
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localcategory.name = specdict['category']['name']
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localcategory.display_name = specdict['category']['display_name']
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localcategory.display_order = specdict['category']['display_order']
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session.add(localcategory)
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localspec.category = localcategory
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localspec.display_order = specdict['display_order']
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localspec.display_name = specdict['display_name']
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localspec.name = specdict['name']
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localspec.description = specdict['description']
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session.add(localspec)
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changedfiles = get_changed_files(remote,workflow_spec_id,as_df=True)
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if len(changedfiles)==0:
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return []
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updatefiles = changedfiles[~((changedfiles['new']==True) & (changedfiles['location']=='local'))]
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updatefiles = updatefiles.reset_index().to_dict(orient='records')
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deletefiles = changedfiles[((changedfiles['new']==True) & (changedfiles['location']=='local'))]
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deletefiles = deletefiles.reset_index().to_dict(orient='records')
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for delfile in deletefiles:
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currentfile = session.query(FileModel).filter(FileModel.workflow_spec_id==workflow_spec_id,
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FileModel.name == delfile['filename']).first()
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# it is more appropriate to archive the file than delete
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# due to the fact that we might have workflows that are using the
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# file data
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currentfile.archived = True
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session.add(currentfile)
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for updatefile in updatefiles:
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currentfile = session.query(FileModel).filter(FileModel.workflow_spec_id==workflow_spec_id,
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FileModel.name == updatefile['filename']).first()
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if not currentfile:
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currentfile = FileModel()
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currentfile.name = updatefile['filename']
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currentfile.workflow_spec_id = workflow_spec_id
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currentfile.date_created = updatefile['date_created']
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currentfile.type = updatefile['type']
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currentfile.primary = updatefile['primary']
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currentfile.content_type = updatefile['content_type']
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currentfile.primary_process_id = updatefile['primary_process_id']
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session.add(currentfile)
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content = WorkflowSyncService.get_remote_file_by_hash(remote,updatefile['md5_hash'])
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FileService.update_file(currentfile,content,updatefile['type'])
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session.commit()
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return [x['filename'] for x in updatefiles]
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def get_changed_files(remote,workflow_spec_id,as_df=False):
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"""
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gets a remote endpoint - gets the files for a workflow_spec on both
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local and remote and determines what files have been change and returns a list of those
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files
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"""
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remote_file_list = WorkflowSyncService.get_remote_workflow_spec_files(remote,workflow_spec_id)
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remote_files = pd.DataFrame(remote_file_list)
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# get the local thumbprints & make sure that 'workflow_spec_id' is a column, not an index
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local = get_workflow_spec_files_dataframe(workflow_spec_id).reset_index()
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local['md5_hash'] = local['md5_hash'].astype('str')
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remote_files['md5_hash'] = remote_files['md5_hash'].astype('str')
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different = remote_files.merge(local,
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right_on=['filename','md5_hash'],
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left_on=['filename','md5_hash'],
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how = 'outer' ,
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indicator=True).loc[lambda x : x['_merge']!='both']
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if len(different) == 0:
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if as_df:
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return different
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else:
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return []
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# each line has a tag on it - if was in the left or the right,
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# label it so we know if that was on the remote or local machine
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different.loc[different['_merge']=='left_only','location'] = 'remote'
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different.loc[different['_merge']=='right_only','location'] = 'local'
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# this takes the different date_created_x and date-created_y columns and
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# combines them back into one date_created column
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dualfields = ['date_created','type','primary','content_type','primary_process_id']
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for merge in dualfields:
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index = different[merge+'_x'].isnull()
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different.loc[index,merge+'_x'] = different[index][merge+'_y']
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fieldlist = [fld+'_x' for fld in dualfields]
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different = different[ fieldlist + ['md5_hash','filename','location']].copy()
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different.columns=dualfields+['md5_hash','filename','location']
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# our different list will have multiple entries for a workflow if there is a version on either side
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# we want to grab the most recent one, so we sort and grab the most recent one for each workflow
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changedfiles = different.sort_values('date_created',ascending=False).groupby('filename').first()
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# get an exclusive or list of workflow ids - that is we want lists of files that are
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# on one machine or the other, but not both
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remote_spec_ids = remote_files[['filename']]
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local_spec_ids = local[['filename']]
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left = remote_spec_ids[~remote_spec_ids['filename'].isin(local_spec_ids['filename'])]
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right = local_spec_ids[~local_spec_ids['filename'].isin(remote_spec_ids['filename'])]
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changedfiles['new'] = False
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changedfiles.loc[changedfiles.index.isin(left['filename']), 'new'] = True
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changedfiles.loc[changedfiles.index.isin(right['filename']),'new'] = True
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changedfiles = changedfiles.replace({pd.np.nan: None})
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# return the list as a dict, let swagger convert it to json
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if as_df:
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return changedfiles
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else:
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return changedfiles.reset_index().to_dict(orient='records')
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def get_all_spec_state():
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"""
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Return a list of all workflow specs along with last updated date and a
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thumbprint of all of the files that are used for that workflow_spec
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Convert into a dict list from a dataframe
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"""
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df = get_all_spec_state_dataframe()
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return df.reset_index().to_dict(orient='records')
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def get_workflow_spec_files(workflow_spec_id):
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"""
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Return a list of all workflow specs along with last updated date and a
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thumbprint of all of the files that are used for that workflow_spec
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Convert into a dict list from a dataframe
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"""
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df = get_workflow_spec_files_dataframe(workflow_spec_id)
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return df.reset_index().to_dict(orient='records')
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def get_workflow_spec_files_dataframe(workflowid):
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"""
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Return a list of all files for a workflow_spec along with last updated date and a
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hash so we can determine file differences for a changed workflow on a box.
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Return a dataframe
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"""
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x = session.query(FileDataModel).join(FileModel).filter(FileModel.workflow_spec_id==workflowid)
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# there might be a cleaner way of getting a data frome from some of the
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# fields in the ORM - but this works OK
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filelist = []
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for file in x:
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filelist.append({'file_model_id':file.file_model_id,
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'workflow_spec_id': file.file_model.workflow_spec_id,
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'md5_hash':file.md5_hash,
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'filename':file.file_model.name,
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'type':file.file_model.type.name,
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'primary':file.file_model.primary,
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'content_type':file.file_model.content_type,
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'primary_process_id':file.file_model.primary_process_id,
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'date_created':file.date_created})
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if len(filelist) == 0:
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return pd.DataFrame(columns=['file_model_id',
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'workflow_spec_id',
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'md5_hash',
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'filename',
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'type',
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'primary',
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'content_type',
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'primary_process_id',
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'date_created'])
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df = pd.DataFrame(filelist).sort_values('date_created').groupby('file_model_id').last()
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df['date_created'] = df['date_created'].astype('str')
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return df
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def get_all_spec_state_dataframe():
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"""
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Return a list of all workflow specs along with last updated date and a
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thumbprint of all of the files that are used for that workflow_spec
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Return a dataframe
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"""
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x = session.query(FileDataModel).join(FileModel)
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# there might be a cleaner way of getting a data frome from some of the
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# fields in the ORM - but this works OK
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filelist = []
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for file in x:
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filelist.append({'file_model_id':file.file_model_id,
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'workflow_spec_id': file.file_model.workflow_spec_id,
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'md5_hash':file.md5_hash,
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'filename':file.file_model.name,
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'date_created':file.date_created})
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df = pd.DataFrame(filelist)
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# get a distinct list of file_model_id's with the most recent file_data retained
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df = df.sort_values('date_created').drop_duplicates(['file_model_id'],keep='last').copy()
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# take that list and then group by workflow_spec and retain the most recently touched file
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# and make a consolidated hash of the md5_checksums - this acts as a 'thumbprint' for each
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# workflow spec
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df = df.groupby('workflow_spec_id').agg({'date_created':'max',
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'md5_hash':join_uuids}).copy()
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# get only the columns we are really interested in returning
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df = df[['date_created','md5_hash']].copy()
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# convert dates to string
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df['date_created'] = df['date_created'].astype('str')
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return df
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