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openrefine-client
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openrefine-client/refine.py

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#! /usr/bin/env python
"""
Script to provide a command line interface to a OpenRefine server.
"""
# Copyright (c) 2011 Paul Makepeace, Real Programmers. All rights reserved.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>
import optparse
import os
import sys
import time
import json
from google.refine import refine
reload(sys)
sys.setdefaultencoding('utf-8')
class myParser(optparse.OptionParser):
def format_epilog(self, formatter):
return self.epilog
PARSER = \
myParser(description='Script to provide a command line interface to an OpenRefine server.',
usage='usage: %prog [--help | OPTIONS]',
epilog="""
Examples:
--list # show list of projects (id: name)
--list -H 127.0.0.1 -P 80 # specify hostname and port
--info 2161595260364 # show metadata of project
--info "christmas gifts"
--create example.csv # create new project from file example.csv
--create example.tsv --encoding=UTF-8
--create example.xml --recordPath=collection --recordPath=record
--create example.json --recordPath=_ --recordPath=_
--create example.xlsx --sheets=0
--create example.ods --sheets=0
--apply trim.json 2161595260364 # apply rules in trim.json to project 1234...
--apply trim.json "christmas gifts"
--export 2161595260364 > project.tsv # export project 2161595260364 in tsv format
--export "christmas gifts" > project.tsv
--export --output=project.xlsx 2161595260364 # export project in xlsx format
--export --output=project.xlsx "christmas gifts"
--export "My Address Book" --template='{ "friend" : {{jsonize(cells["friend"].value)}}, "address" : {{jsonize(cells["address"].value)}} }' --prefix='{ "rows" : [' --rowSeparator ',' --suffix '] }' --filterQuery="^mary$"
--delete 2161595260364 # delete project
--delete "christmas gifts"
""")
group1 = optparse.OptionGroup(PARSER, 'Connection options')
group1.add_option('-H', '--host', dest='host', metavar='127.0.0.1',
help='OpenRefine hostname (default: 127.0.0.1)')
group1.add_option('-P', '--port', dest='port', metavar='3333',
help='OpenRefine port (default: 3333)')
PARSER.add_option_group(group1)
group2 = optparse.OptionGroup(PARSER, 'Commands')
group2.add_option('-c', '--create', dest='create', metavar='[FILE]',
help='Create project from file. The filename ending (e.g. .csv) defines the input format (csv,tsv,xml,json,txt,xls,xlsx,ods)')
group2.add_option('-l', '--list', dest='list', action='store_true',
help='List projects')
PARSER.add_option_group(group2)
group3 = optparse.OptionGroup(PARSER, 'Commands with argument [PROJECTID/PROJECTNAME]')
group3.add_option('-d', '--delete', dest='delete', action='store_true',
help='Delete project')
group3.add_option('-f', '--apply', dest='apply', metavar='[FILE]',
help='Apply JSON rules to OpenRefine project')
group3.add_option('-E', '--export', dest='export', action='store_true',
help='Export project in tsv format to stdout.')
group3.add_option('-o', '--output', dest='output', metavar='[FILE]',
help='Export project to file. The filename ending (e.g. .tsv) defines the output format (csv,tsv,xls,xlsx,html)')
group3.add_option('--info', dest='info', action='store_true',
help='show project metadata')
PARSER.add_option_group(group3)
group4 = optparse.OptionGroup(PARSER, 'Create options')
group4.add_option('--columnWidths', dest='columnWidths',
help='(txt/fixed-width) please provide widths separated by comma (e.g. 7,5)')
group4.add_option('--encoding', dest='encoding',
help='(csv,tsv,txt), please provide short encoding name (e.g. UTF-8)')
group4.add_option('--guessCellValueTypes', dest='guessCellValueTypes', metavar='true/false', choices=('true', 'false'),
help='(xml,csv,tsv,txt,json, default: false)')
group4.add_option('--headerLines', dest='headerLines', type="int",
help='(csv,tsv,txt/fixed-width,xls,xlsx,ods), default: 1, default txt/fixed-width: 0')
group4.add_option('--ignoreLines', dest='ignoreLines', type="int",
help='(csv,tsv,txt,xls,xlsx,ods), default: -1')
group4.add_option('--includeFileSources', dest='includeFileSources', metavar='true/false', choices=('true', 'false'),
help='(all formats), default: false')
group4.add_option('--limit', dest='limit', type="int",
help='(all formats), default: -1')
group4.add_option('--linesPerRow', dest='linesPerRow', type="int",
help='(txt/line-based), default: 1')
group4.add_option('--processQuotes', dest='processQuotes', metavar='true/false', choices=('true', 'false'),
help='(csv,tsv), default: true')
group4.add_option('--projectName', dest='project_name',
help='(all formats), default: filename')
group4.add_option('--recordPath', dest='recordPath', action='append',
help='(xml,json), please provide path in multiple arguments without slashes, e.g. /collection/record/ should be entered like this: --recordPath=collection --recordPath=record, default xml: record, default json: _ _')
group4.add_option('--separator', dest='separator',
help='(csv,tsv), default csv: , default tsv: \\t')
group4.add_option('--sheets', dest='sheets', action='append', type="int",
help='(xls,xlsx,ods), please provide sheets in multiple arguments, e.g. --sheets=0 --sheets=1, default: 0 (first sheet)')
group4.add_option('--skipDataLines', dest='skipDataLines', type="int",
help='(csv,tsv,txt,xls,xlsx,ods), default: 0, default line-based: -1')
group4.add_option('--storeBlankRows', dest='storeBlankRows', metavar='true/false', choices=('true', 'false'),
help='(csv,tsv,txt,xls,xlsx,ods), default: true')
group4.add_option('--storeBlankCellsAsNulls', dest='storeBlankCellsAsNulls', metavar='true/false', choices=('true', 'false'),
help='(csv,tsv,txt,xls,xlsx,ods), default: true')
group4.add_option('--storeEmptyStrings', dest='storeEmptyStrings', metavar='true/false', choices=('true', 'false'),
help='(xml,json), default: true')
group4.add_option('--trimStrings', dest='trimStrings', metavar='true/false', choices=('true', 'false'),
help='(xml,json), default: false')
PARSER.add_option_group(group4)
group5 = optparse.OptionGroup(PARSER, 'Legacy options')
group5.add_option('--format', dest='input_format',
help='Specify input format (csv,tsv,xml,json,line-based,fixed-width,xls,xlsx,ods)')
PARSER.add_option_group(group5)
group6= optparse.OptionGroup(PARSER, 'Templating export options')
group6.add_option('--template', dest='template',
help='mandatory; (big) text string that you enter in the *row template* textfield in the export/templating menu in the browser app)')
group6.add_option('--mode', dest='mode', metavar='row-based/record-based', choices=('row-based', 'record-based'),
help='engine mode (default: row-based)')
group6.add_option('--prefix', dest='prefix',
help='text string that you enter in the *prefix* textfield in the browser app')
group6.add_option('--rowSeparator', dest='rowSeparator',
help='text string that you enter in the *row separator* textfield in the browser app')
group6.add_option('--suffix', dest='suffix',
help='text string that you enter in the *suffix* textfield in the browser app')
group6.add_option('--filterQuery', dest='filterQuery', metavar='REGEX',
help='Simple RegEx text filter on filterColumn, e.g. ^12015$'),
group6.add_option('--filterColumn', dest='filterColumn', metavar='COLUMNNAME',
help='column name for filterQuery (default: name of first column)')
group6.add_option('--facets', dest='facets',
help='facets config in json format (may be extracted with browser dev tools in browser app)')
group6.add_option('--splitToFiles', dest='splitToFiles', metavar='true/false', choices=('true', 'false'),
help='will split each row/record into a single file; it specifies a presumably unique character series for splitting; --prefix and --suffix will be applied to all files; filename-prefix can be specified with --output (default: %Y%m%d)')
group6.add_option('--suffixById', dest='suffixById', metavar='true/false', choices=('true', 'false'),
help='enhancement option for --splitToFiles; will generate filename-suffix from values in key column')
PARSER.add_option_group(group6)
def list_projects():
"""Query the OpenRefine server and list projects by ID: name."""
projects = refine.Refine(refine.RefineServer()).list_projects().items()
def date_to_epoch(json_dt):
"""Convert a JSON date time into seconds-since-epoch."""
return time.mktime(time.strptime(json_dt, '%Y-%m-%dT%H:%M:%SZ'))
projects.sort(key=lambda v: date_to_epoch(v[1]['modified']), reverse=True)
for project_id, project_info in projects:
print('{0:>14}: {1}'.format(project_id, project_info['name']))
def info(project_id):
"""Show project metadata"""
projects = refine.Refine(refine.RefineServer()).list_projects().items()
for projects_id, projects_info in projects:
if project_id == projects_id:
print('{0}: {1}'.format('id', projects_id))
print('{0}: {1}'.format('name', projects_info['name']))
print('{0}: {1}'.format('created', projects_info['created']))
print('{0}: {1}'.format('modified', projects_info['modified']))
def create_project(options):
"""Create a new project from options.create file."""
# general defaults are defined in google/refine/refine.py new_project
# additional defaults for each file type
defaults = {}
defaults['xml'] = { 'project_format' : 'text/xml', 'recordPath' : 'record' }
defaults['csv'] = { 'project_format' : 'text/line-based/*sv', 'separator' : ',' }
defaults['tsv'] = { 'project_format' : 'text/line-based/*sv', 'separator' : '\t' }
defaults['line-based'] = { 'project_format' : 'text/line-based', 'skipDataLines' : -1 }
defaults['fixed-width'] = { 'project_format' : 'text/line-based/fixed-width', 'headerLines' : 0 }
defaults['json'] = { 'project_format' : 'text/json', 'recordPath' : ('_', '_') }
defaults['xls'] = { 'project_format' : 'binary/text/xml/xls/xlsx', 'sheets' : 0 }
defaults['xlsx'] = { 'project_format' : 'binary/text/xml/xls/xlsx', 'sheets' : 0 }
defaults['ods'] = { 'project_format' : 'text/xml/ods', 'sheets' : 0 }
# guess format from file extension (or legacy option --format)
input_format = os.path.splitext(options.create)[1][1:].lower()
if input_format == 'txt' and options.columnWidths:
input_format = 'fixed-width'
if input_format == 'txt' and not options.columnWidths:
input_format = 'line-based'
if options.input_format:
input_format = options.input_format
# defaults for selected format
input_dict = defaults[input_format]
# user input
input_user = { group4_arg.dest : getattr(options, group4_arg.dest) for group4_arg in group4.option_list }
input_user['strings'] = { k: v for k, v in input_user.items() if v != None and v not in ['true', 'false'] }
input_user['trues'] = { k: True for k, v in input_user.items() if v == 'true' }
input_user['falses'] = { k: False for k, v in input_user.items() if v == 'false' }
input_user_eval = input_user['strings']
input_user_eval.update(input_user['trues'])
input_user_eval.update(input_user['falses'])
# merge defaults with user input
input_dict.update(input_user_eval)
input_dict['project_file'] = options.create
refine.Refine(refine.RefineServer()).new_project(**input_dict)
def export_project(project, options):
"""Dump a project to stdout or options.output file."""
export_format = 'tsv'
if options.output and not options.splitToFiles == 'true':
ext = os.path.splitext(options.output)[1][1:]
if ext:
export_format = ext.lower()
output = open(options.output, 'wb')
else:
output = sys.stdout
if options.template:
templateconfig = { group6_arg.dest : getattr(options, group6_arg.dest) for group6_arg in group6.option_list if group6_arg.dest in ['prefix', 'template', 'rowSeparator', 'suffix'] }
if options.mode == 'record-based':
engine = { 'facets':[], 'mode':'record-based' }
else:
engine = { 'facets':[], 'mode':'row-based' }
if options.facets:
engine['facets'].append(json.loads(options.facets))
if options.filterQuery:
if not options.filterColumn:
filterColumn = project.get_models()['columnModel']['keyColumnName']
else:
filterColumn = options.filterColumn
textFilter = { 'type':'text', 'name':filterColumn, 'columnName':filterColumn, 'mode':'regex', 'caseSensitive':False, 'query':options.filterQuery }
engine['facets'].append(textFilter)
templateconfig.update({ 'engine': json.dumps(engine) })
if options.splitToFiles == 'true':
# common config for row-based and record-based
prefix = templateconfig['prefix']
suffix = templateconfig['suffix']
split = '===|||THISISTHEBEGINNINGOFANEWRECORD|||==='
keyColumn = project.get_models()['columnModel']['keyColumnName']
if not options.output:
filename = time.strftime('%Y%m%d')
else:
filename = os.path.splitext(options.output)[0]
ext = os.path.splitext(options.output)[1][1:]
if not ext:
ext = 'txt'
if options.suffixById:
ids_template = '{{forNonBlank(cells["' + keyColumn + '"].value, v, v, "")}}'
ids_templateconfig = { 'engine': json.dumps(engine), 'template': ids_template, 'rowSeparator':'\n' }
ids = [line.rstrip('\n') for line in project.export_templating(**ids_templateconfig) if line.rstrip('\n')]
if options.mode == 'record-based':
# record-based: split-character into template if key column is not blank (=record)
template = '{{forNonBlank(cells["' + keyColumn + '"].value, v, "' + split + '", "")}}' + templateconfig['template']
templateconfig.update({ 'prefix': '', 'suffix': '', 'template': template, 'rowSeparator':'' })
else:
# row-based: split-character into template
template = split + templateconfig['template']
templateconfig.update({ 'prefix': '', 'suffix': '', 'template': template, 'rowSeparator':'' })
records = project.export_templating(**templateconfig).read().split(split)
del records[0] # skip first blank entry
if options.suffixById:
for index, record in enumerate(records):
output = open(filename + '_' + ids[index] + '.' + ext, 'wb')
output.writelines([prefix, record, suffix])
else:
zeros = len(str(len(records)))
for index, record in enumerate(records):
output = open(filename + '_' + str(index+1).zfill(zeros) + '.' + ext, 'wb')
output.writelines([prefix, record, suffix])
else:
output.writelines(project.export_templating(**templateconfig))
output.close()
else:
output.writelines(project.export(export_format=export_format))
output.close()
#noinspection PyPep8Naming
def main():
"""Command line interface."""
# get environment variables in docker network
docker_host = os.environ.get('OPENREFINE_SERVER_PORT_3333_TCP_ADDR')
if docker_host:
os.environ["OPENREFINE_HOST"] = docker_host
refine.REFINE_HOST = docker_host
docker_port = os.environ.get('OPENREFINE_SERVER_PORT_3333_TCP_PORT')
if docker_port:
os.environ["OPENREFINE_PORT"] = docker_port
refine.REFINE_PORT = docker_port
options, args = PARSER.parse_args()
commands_dict = { group2_arg.dest : getattr(options, group2_arg.dest) for group2_arg in group2.option_list }
commands_dict.update({ group3_arg.dest : getattr(options, group3_arg.dest) for group3_arg in group3.option_list })
commands_dict = { k: v for k, v in commands_dict.items() if v != None }
if not commands_dict:
PARSER.print_usage()
return
if options.host:
refine.REFINE_HOST = options.host
if options.port:
refine.REFINE_PORT = options.port
if args and not str.isdigit(args[0]):
projects = refine.Refine(refine.RefineServer()).list_projects().items()
idlist = []
for project_id, project_info in projects:
if args[0] == project_info['name']:
idlist.append(str(project_id))
if len(idlist) > 1:
raise Exception('Found at least two projects. Please specify project by id.')
else:
args[0] = idlist[0]
if options.list:
list_projects()
if options.create:
create_project(options)
if options.delete:
project = refine.RefineProject(args[0])
project.delete()
if options.apply:
project = refine.RefineProject(args[0])
response = project.apply_operations(options.apply)
if response != 'ok':
print >> sys.stderr, 'Failed to apply %s: %s' \
% (options.apply, response)
return project
if options.export or options.output:
project = refine.RefineProject(args[0])
export_project(project, options)
return project
if options.info:
info(args[0])
project = refine.RefineProject(args[0])
return project
if __name__ == '__main__':
# return project so that it's available interactively, python -i refine.py
refine_project = main()
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