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89 lines
3.9 KiB
Python
Executable File
89 lines
3.9 KiB
Python
Executable File
#!/usr/bin/env python
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"""
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Simple example script that watches a folder for new files, imports that data to a data library, and then
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execute a workflow on it, creating a new history for each workflow invocation.
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This assumes a workflow with only one input, though it could be adapted to many.
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Sample call:
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python example_watch_folder.py <api_key> <api_url> /tmp/g_inbox/ /tmp/g_inbox/done/ "API Imports" f2db41e1fa331b3e
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NOTE: The upload method used requires the data library filesystem upload allow_library_path_paste
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"""
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import os
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import shutil
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import sys
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import time
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from common import display, submit
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def main(api_key, api_url, in_folder, out_folder, data_library, workflow):
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# Find/Create data library with the above name. Assume we're putting datasets in the root folder '/'
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libs = display(api_key, api_url + 'libraries', return_formatted=False)
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library_id = None
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for library in libs:
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if library['name'] == data_library:
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library_id = library['id']
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if not library_id:
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lib_create_data = {'name': data_library}
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library = submit(api_key, api_url + 'libraries', lib_create_data, return_formatted=False)
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library_id = library[0]['id']
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folders = display(api_key, api_url + "libraries/%s/contents" % library_id, return_formatted=False)
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for f in folders:
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if f['name'] == "/":
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library_folder_id = f['id']
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workflow = display(api_key, api_url + 'workflows/%s' % workflow, return_formatted=False)
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if not workflow:
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print "Workflow %s not found, terminating."
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sys.exit(1)
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if not library_id or not library_folder_id:
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print "Failure to configure library destination."
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sys.exit(1)
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while 1:
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# Watch in_folder, upload anything that shows up there to data library and get ldda,
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# invoke workflow, move file to out_folder.
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for fname in os.listdir(in_folder):
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fullpath = os.path.join(in_folder, fname)
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if os.path.isfile(fullpath):
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data = {}
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data['folder_id'] = library_folder_id
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data['file_type'] = 'auto'
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data['dbkey'] = ''
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data['upload_option'] = 'upload_paths'
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data['filesystem_paths'] = fullpath
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data['create_type'] = 'file'
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libset = submit(api_key, api_url + "libraries/%s/contents" % library_id, data, return_formatted=False)
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# TODO Handle this better, but the datatype isn't always
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# set for the followup workflow execution without this
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# pause.
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time.sleep(5)
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for ds in libset:
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if 'id' in ds:
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# Successful upload of dataset, we have the ldda now. Run the workflow.
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wf_data = {}
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wf_data['workflow_id'] = workflow['id']
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wf_data['history'] = "%s - %s" % (fname, workflow['name'])
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wf_data['ds_map'] = {}
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for step_id, ds_in in workflow['inputs'].iteritems():
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wf_data['ds_map'][step_id] = {'src': 'ld', 'id': ds['id']}
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res = submit( api_key, api_url + 'workflows', wf_data, return_formatted=False)
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if res:
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print res
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# Successful workflow execution, safe to move dataset.
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shutil.move(fullpath, os.path.join(out_folder, fname))
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time.sleep(10)
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if __name__ == '__main__':
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try:
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api_key = sys.argv[1]
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api_url = sys.argv[2]
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in_folder = sys.argv[3]
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out_folder = sys.argv[4]
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data_library = sys.argv[5]
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workflow = sys.argv[6]
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except IndexError:
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print 'usage: %s key url in_folder out_folder data_library workflow' % os.path.basename( sys.argv[0] )
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sys.exit( 1 )
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main(api_key, api_url, in_folder, out_folder, data_library, workflow )
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