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| 1 | +#!/usr/bin/env python |
| 2 | +# Retrieves data from external data source applications and |
| 3 | +# stores in a dataset file. |
| 4 | +# |
| 5 | +# Data source application parameters are temporarily stored |
| 6 | +# in the dataset file. |
| 7 | +import json |
| 8 | +import os |
| 9 | +import sys |
| 10 | +from urllib.parse import urlencode, urlparse |
| 11 | +from urllib.request import urlopen |
| 12 | + |
| 13 | +from galaxy.datatypes import sniff |
| 14 | +from galaxy.datatypes.registry import Registry |
| 15 | +from galaxy.util import ( |
| 16 | + DEFAULT_SOCKET_TIMEOUT, |
| 17 | + get_charset_from_http_headers, |
| 18 | + stream_to_open_named_file, |
| 19 | +) |
| 20 | + |
| 21 | +GALAXY_PARAM_PREFIX = "GALAXY" |
| 22 | +GALAXY_ROOT_DIR = os.path.realpath( |
| 23 | + os.path.join(os.path.dirname(__file__), os.pardir, os.pardir) |
| 24 | +) |
| 25 | +GALAXY_DATATYPES_CONF_FILE = os.path.join( |
| 26 | + GALAXY_ROOT_DIR, "datatypes_conf.xml" |
| 27 | +) |
| 28 | + |
| 29 | + |
| 30 | +def main(): |
| 31 | + if len(sys.argv) >= 3: |
| 32 | + max_file_size = int(sys.argv[2]) |
| 33 | + else: |
| 34 | + max_file_size = 0 |
| 35 | + |
| 36 | + with open(sys.argv[1]) as fh: |
| 37 | + params = json.load(fh) |
| 38 | + |
| 39 | + out_data_name = params["output_data"][0]["out_data_name"] |
| 40 | + |
| 41 | + URL = params["param_dict"].get("URL", None) |
| 42 | + URL_method = params["param_dict"].get("URL_method", "get") |
| 43 | + |
| 44 | + datatypes_registry = Registry() |
| 45 | + datatypes_registry.load_datatypes( |
| 46 | + root_dir=params["job_config"]["GALAXY_ROOT_DIR"], |
| 47 | + config=params["job_config"]["GALAXY_DATATYPES_CONF_FILE"], |
| 48 | + ) |
| 49 | + |
| 50 | + for data_dict in params["output_data"]: |
| 51 | + cur_filename = data_dict["file_name"] |
| 52 | + cur_URL = params["param_dict"].get( |
| 53 | + "%s|%s|URL" % (GALAXY_PARAM_PREFIX, |
| 54 | + data_dict["out_data_name"]), URL |
| 55 | + ) |
| 56 | + if not cur_URL or urlparse(cur_URL).scheme not in ("http", "https", |
| 57 | + "ftp"): |
| 58 | + open(cur_filename, "w").write("") |
| 59 | + sys.exit( |
| 60 | + "The remote data source application has not sent " |
| 61 | + "back a URL parameter in the request." |
| 62 | + ) |
| 63 | + |
| 64 | + try: |
| 65 | + if URL_method == "get": |
| 66 | + page = urlopen(cur_URL, timeout=DEFAULT_SOCKET_TIMEOUT) |
| 67 | + elif URL_method == "post": |
| 68 | + param_dict = params["param_dict"] |
| 69 | + page = urlopen( |
| 70 | + cur_URL, |
| 71 | + urlencode(param_dict["incoming_request_params"]).encode( |
| 72 | + "utf-8" |
| 73 | + ), |
| 74 | + timeout=DEFAULT_SOCKET_TIMEOUT, |
| 75 | + ) |
| 76 | + except Exception as e: |
| 77 | + sys.exit( |
| 78 | + "The remote data source application may " |
| 79 | + "be off line, please try again later. Error: %s" |
| 80 | + % str(e) |
| 81 | + ) |
| 82 | + if max_file_size: |
| 83 | + file_size = int(page.info().get("Content-Length", 0)) |
| 84 | + if file_size > max_file_size: |
| 85 | + sys.exit( |
| 86 | + "The requested data size (%d bytes) exceeds the maximum" |
| 87 | + "allowed size (%d bytes) on this server." |
| 88 | + % (file_size, max_file_size) |
| 89 | + ) |
| 90 | + try: |
| 91 | + cur_filename = stream_to_open_named_file( |
| 92 | + page, |
| 93 | + os.open( |
| 94 | + cur_filename, |
| 95 | + os.O_WRONLY | os.O_TRUNC | os.O_CREAT |
| 96 | + ), |
| 97 | + cur_filename, |
| 98 | + source_encoding=get_charset_from_http_headers(page.headers), |
| 99 | + ) |
| 100 | + except Exception as e: |
| 101 | + sys.exit("Unable to fetch %s:\n%s" % (cur_URL, e)) |
| 102 | + |
| 103 | + try: |
| 104 | + ext = sniff.handle_uploaded_dataset_file( |
| 105 | + cur_filename, datatypes_registry, ext=data_dict["ext"] |
| 106 | + ) |
| 107 | + except Exception as e: |
| 108 | + sys.exit(str(e)) |
| 109 | + |
| 110 | + tool_provided_metadata = {out_data_name: {"ext": ext}} |
| 111 | + |
| 112 | + with open( |
| 113 | + params["job_config"]["TOOL_PROVIDED_JOB_METADATA_FILE"], "w" |
| 114 | + ) as json_file: |
| 115 | + json.dump(tool_provided_metadata, json_file) |
| 116 | + |
| 117 | + |
| 118 | +if __name__ == "__main__": |
| 119 | + main() |
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