Mercurial > repos > iuc > data_manager_plant_tribes_scaffolds_downloader
view data_manager/data_manager_plant_tribes_scaffolds_download.py @ 0:b418349edb0d draft
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author | iuc |
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date | Fri, 13 Jan 2017 10:32:14 -0500 |
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children | f5e3438468c7 |
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#!/usr/bin/env python # # Data manager for downloading Plant Tribes scaffolds data. import argparse import json import os import shutil import sys import tarfile import urllib2 import zipfile DEFAULT_DATA_TABLE_NAMES = ["plant_tribes_scaffolds"] def add_data_table_entry(data_manager_dict, data_table_name, data_table_entry): data_manager_dict['data_tables'] = data_manager_dict.get('data_tables', {}) data_manager_dict['data_tables'][data_table_name] = data_manager_dict['data_tables'].get(data_table_name, []) data_manager_dict['data_tables'][data_table_name].append(data_table_entry) return data_manager_dict def make_directory(dir): if not os.path.exists(dir): os.makedirs(dir) def remove_directory(dir): if os.path.exists(dir): shutil.rmtree(dir) def url_download(target_directory, url, description, data_table_names=DEFAULT_DATA_TABLE_NAMES): work_directory = os.path.abspath(os.path.join(os.getcwd(), 'scaffolds')) make_directory(work_directory) file_path = os.path.join(work_directory, os.path.basename(url)) src = None dst = None try: req = urllib2.Request(url) src = urllib2.urlopen(req) dst = open(file_path, 'wb') while True: chunk = src.read(2**10) if chunk: dst.write(chunk) else: break except Exception, e: print >>sys.stderr, str(e) finally: if src: src.close() if dst: dst.close() if tarfile.is_tarfile(file_path): fh = tarfile.open(file_path, 'r:*') elif zipfile.is_zipfile(file_path): fh = zipfile.ZipFile(file_path, 'r') else: return fh.extractall(work_directory) os.remove(file_path) # Move the scaffolds data files into defined output directory. for filename in os.listdir(work_directory): shutil.move(os.path.join(work_directory, filename), target_directory) remove_directory(work_directory) data_manager_dict = {} # Populate the data table, there should be a single entry in target_directory. for file_path in os.listdir(target_directory): full_path = os.path.abspath(os.path.join(target_directory, file_path)) entry_name = "%s" % os.path.basename(file_path) data_table_entry = dict(value=entry_name, name=entry_name, path=full_path, description=description) for data_table_name in data_table_names: data_manager_dict = add_data_table_entry(data_manager_dict, data_table_name, data_table_entry) return data_manager_dict parser = argparse.ArgumentParser() parser.add_argument('--description', dest='description', default=None, help='Description') parser.add_argument('--name', dest='name', help='Data table entry unique ID') parser.add_argument('--out_file', dest='out_file', help='JSON output file') parser.add_argument('--web_url', dest='web_url', help='Web URL') args = parser.parse_args() # Some magic happens with tools of type "manage_data" in that the output # file contains some JSON data that allows us to define the target directory. params = json.loads(open(args.out_file).read()) target_directory = params['output_data'][0]['extra_files_path'] make_directory(target_directory) if args.description is None: description = '' else: description = args.description.strip() # Get the scaffolds data. data_manager_dict = url_download(target_directory, args.web_url, description) # Write the JSON output dataset. fh = open(args.out_file, 'wb') fh.write(json.dumps(data_manager_dict)) fh.close()