Пример #1
0
import sys
import collections
import shutil
import requests
import tempfile
import zipfile
import arcpy
from utils import status
from utils import task_utils
import warnings
from requests.packages.urllib3.exceptions import InsecureRequestWarning
warnings.simplefilter('ignore', InsecureRequestWarning)


# Get SSL trust setting.
verify_ssl = task_utils.get_ssl_mode()

status_writer = status.Writer()
files_to_package = list()
errors_reasons = {}
skipped_reasons = {}
result_count = 0
processed_count = 0.

# Used when clipping geometry features (globals of these are defined as well).
layer_name = ""
new_fields = []
field_values = []
existing_fields = []

Пример #2
0
def execute(request):
    """Exports search results a CSV, shapefile or XML document.
    :param request: json as a dict.
    """

    # Get SSL trust setting.
    verify_ssl = task_utils.get_ssl_mode()

    chunk_size = task_utils.CHUNK_SIZE

    file_name = task_utils.get_parameter_value(request['params'], 'file_name',
                                               'value')
    fields = task_utils.get_parameter_value(request['params'], 'fields',
                                            'value')
    out_format = task_utils.get_parameter_value(request['params'],
                                                'output_format', 'value')

    if not 'path' in fields and 'path:[absolute]' in fields:
        fields.append('path')

    if 'geo' in fields:
        i_geo = fields.index('geo')
        fields.remove('geo')
        fields.insert(i_geo, '[geo]')

    # Create the temporary workspace.
    task_folder = os.path.join(request['folder'], 'temp')
    if not os.path.exists(task_folder):
        os.makedirs(task_folder)

    headers = {
        'x-access-token': task_utils.get_security_token(request['owner'])
    }
    num_results, response_index = task_utils.get_result_count(
        request['params'])

    if len(sys.argv) == 2:
        query = '{0}/solr/v0/select?&wt=json&fl={1}'.format(
            'http://localhost:8888', ','.join(fields))
    else:
        query = '{0}/select?&wt=json&fl={1}'.format(sys.argv[2].split('=')[1],
                                                    ','.join(fields))

    if 'query' in request['params'][response_index]:
        # Voyager Search Traditional UI
        for p in request['params']:
            if 'query' in p:
                request_qry = p['query']
                break
        if 'voyager.list' in request_qry:
            query += '&voyager.list={0}'.format(request_qry['voyager.list'])

        # Replace spaces with %20 & remove \\ to avoid HTTP Error 400.
        if 'fq' in request_qry:
            try:
                if isinstance(request_qry['fq'], list):
                    for fq in request_qry['fq']:
                        try:
                            query += '&fq={0}'.format(str(fq))
                        except UnicodeEncodeError:
                            query += '&fq={0}'.format(str(fq.encode('utf-8')))
                else:
                    query += '&fq={0}'.format(request_qry['fq'])
                if '{!expand}' in query:
                    query = query.replace('{!expand}', '')
                if '{!tag' in query:
                    tag = re.findall('{!(.*?)}', query)
                    if tag:
                        tag_str = "{!" + tag[0] + "}"
                        query = query.replace(tag_str, '')
                query = query.replace(' ', '%20')
            except AttributeError:
                for qry in request_qry['fq']:
                    query += '&fq={0}'.format(qry).replace("\\", "").replace(
                        ' ', '%20')
        if 'q' in request_qry:
            try:
                query += '&q={0}'.format(request_qry['q'].replace("\\", ""))
                query = query.replace(' ', '%20')
            except UnicodeEncodeError:
                query += '&q={0}'.format(
                    request_qry['q'].encode('utf-8').replace("\\", ""))
                query = query.replace(' ', '%20')
            except AttributeError:
                for qry in request_qry['q']:
                    query += '&q={0}'.format(qry).replace("\\", "").replace(
                        ' ', '%20')
        if 'place' in request_qry:
            try:
                query += '&place={0}'.format(request_qry['place'].replace(
                    "\\", ""))
                query = query.replace(' ', '%20')
            except AttributeError:
                for qry in request_qry['place']:
                    query += '&place={0}'.format(qry).replace("\\",
                                                              "").replace(
                                                                  ' ', '%20')
        if 'place.op' in request_qry:
            query += '&place.op={0}'.format(request_qry['place.op'])

        query += '&rows={0}&start={1}'
        exported_cnt = 0.
        for i in range(0, num_results, chunk_size):
            url = query.replace('{0}', str(chunk_size)).replace('{1}', str(i))
            res = requests.get(url, verify=verify_ssl, headers=headers)

            jobs = res.json()['response']['docs']
            if out_format == 'CSV':
                export_to_csv(jobs, file_name, task_folder, fields)
            elif out_format == 'XML':
                export_to_xml(jobs, file_name, task_folder)
            elif out_format == 'SHP':
                export_to_shp(jobs, file_name, task_folder)
            exported_cnt += chunk_size
            if exported_cnt > num_results:
                status_writer.send_percent(100, 'exported: 100%',
                                           'export_results')
            else:
                percent_done = exported_cnt / num_results
                status_writer.send_percent(
                    percent_done,
                    '{0}: {1:.0f}%'.format("exported", percent_done * 100),
                    'export_results')
    else:
        # Voyager Search Portal/Cart UI
        ids = []
        for p in request['params']:
            if 'ids' in p:
                ids = p['ids']
                break
        groups = task_utils.grouper(list(ids), chunk_size, '')
        i = 0
        for group in groups:
            i += len([v for v in group if not v == ''])
            results = requests.get(query + '&ids={0}'.format(','.join(group)),
                                   verify=verify_ssl,
                                   headers=headers)
            jobs = eval(results.text)['response']['docs']
            if out_format == 'CSV':
                export_to_csv(jobs, file_name, task_folder, fields)
            elif out_format == 'XML':
                export_to_xml(jobs, file_name, task_folder)
            elif out_format == 'SHP':
                export_to_shp(jobs, file_name, task_folder)
            percent_done = float(i) / num_results
            status_writer.send_percent(
                percent_done, '{0}: {1:.0f}%'.format("exported",
                                                     percent_done * 100),
                'export_results')

    # Zip up outputs.
    if exported_count == 0:
        status_writer.send_state(status.STAT_FAILED)
        task_utils.report(os.path.join(request['folder'], '__report.json'),
                          exported_count, 0, errors_count, errors_reasons)
    else:
        task_utils.report(os.path.join(request['folder'], '__report.json'),
                          exported_count, 0, errors_count, errors_reasons)
        zip_file = task_utils.zip_data(task_folder,
                                       '{0}.zip'.format(file_name))
        shutil.move(
            zip_file,
            os.path.join(os.path.dirname(task_folder),
                         os.path.basename(zip_file)))