155 lines
7.8 KiB
Python
155 lines
7.8 KiB
Python
#! /usr/bin/env python
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"""
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Functions used by the command line interface (CLI)
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"""
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# Copyright (c) 2011 Paul Makepeace, Real Programmers. All rights reserved.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>
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import os
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import sys
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import time
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import json
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from google.refine import refine
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def list_projects():
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"""Query the OpenRefine server and list projects by ID: name."""
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projects = refine.Refine(refine.RefineServer()).list_projects().items()
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def date_to_epoch(json_dt):
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"""Convert a JSON date time into seconds-since-epoch."""
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return time.mktime(time.strptime(json_dt, '%Y-%m-%dT%H:%M:%SZ'))
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projects.sort(key=lambda v: date_to_epoch(v[1]['modified']), reverse=True)
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for project_id, project_info in projects:
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print('{0:>14}: {1}'.format(project_id, project_info['name']))
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def info(project_id):
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"""Show project metadata"""
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projects = refine.Refine(refine.RefineServer()).list_projects().items()
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for projects_id, projects_info in projects:
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if project_id == projects_id:
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print('{0}: {1}'.format('id', projects_id))
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print('{0}: {1}'.format('name', projects_info['name']))
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print('{0}: {1}'.format('created', projects_info['created']))
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print('{0}: {1}'.format('modified', projects_info['modified']))
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def create_project(options):
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"""Create a new project from options.create file."""
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# general defaults are defined in google/refine/refine.py new_project
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# additional defaults for each file type
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defaults = {}
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defaults['xml'] = { 'project_format' : 'text/xml', 'recordPath' : 'record' }
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defaults['csv'] = { 'project_format' : 'text/line-based/*sv', 'separator' : ',' }
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defaults['tsv'] = { 'project_format' : 'text/line-based/*sv', 'separator' : '\t' }
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defaults['line-based'] = { 'project_format' : 'text/line-based', 'skipDataLines' : -1 }
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defaults['fixed-width'] = { 'project_format' : 'text/line-based/fixed-width', 'headerLines' : 0 }
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defaults['json'] = { 'project_format' : 'text/json', 'recordPath' : ('_', '_') }
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defaults['xls'] = { 'project_format' : 'binary/text/xml/xls/xlsx', 'sheets' : 0 }
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defaults['xlsx'] = { 'project_format' : 'binary/text/xml/xls/xlsx', 'sheets' : 0 }
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defaults['ods'] = { 'project_format' : 'text/xml/ods', 'sheets' : 0 }
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# guess format from file extension (or legacy option --format)
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input_format = os.path.splitext(options.create)[1][1:].lower()
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if input_format == 'txt' and options.columnWidths:
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input_format = 'fixed-width'
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if input_format == 'txt' and not options.columnWidths:
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input_format = 'line-based'
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if options.input_format:
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input_format = options.input_format
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# defaults for selected format
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input_dict = defaults[input_format]
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# user input
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input_user = { group4_arg.dest : getattr(options, group4_arg.dest) for group4_arg in group4.option_list }
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input_user['strings'] = { k: v for k, v in input_user.items() if v != None and v not in ['true', 'false'] }
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input_user['trues'] = { k: True for k, v in input_user.items() if v == 'true' }
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input_user['falses'] = { k: False for k, v in input_user.items() if v == 'false' }
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input_user_eval = input_user['strings']
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input_user_eval.update(input_user['trues'])
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input_user_eval.update(input_user['falses'])
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# merge defaults with user input
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input_dict.update(input_user_eval)
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input_dict['project_file'] = options.create
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refine.Refine(refine.RefineServer()).new_project(**input_dict)
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def export_project(project, options):
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"""Dump a project to stdout or options.output file."""
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export_format = 'tsv'
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if options.output and not options.splitToFiles == 'true':
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ext = os.path.splitext(options.output)[1][1:]
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if ext:
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export_format = ext.lower()
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output = open(options.output, 'wb')
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else:
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output = sys.stdout
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if options.template:
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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'] }
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if options.mode == 'record-based':
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engine = { 'facets':[], 'mode':'record-based' }
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else:
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engine = { 'facets':[], 'mode':'row-based' }
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if options.facets:
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engine['facets'].append(json.loads(options.facets))
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if options.filterQuery:
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if not options.filterColumn:
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filterColumn = project.get_models()['columnModel']['keyColumnName']
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else:
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filterColumn = options.filterColumn
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textFilter = { 'type':'text', 'name':filterColumn, 'columnName':filterColumn, 'mode':'regex', 'caseSensitive':False, 'query':options.filterQuery }
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engine['facets'].append(textFilter)
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templateconfig.update({ 'engine': json.dumps(engine) })
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if options.splitToFiles == 'true':
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# common config for row-based and record-based
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prefix = templateconfig['prefix']
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suffix = templateconfig['suffix']
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split = '===|||THISISTHEBEGINNINGOFANEWRECORD|||==='
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keyColumn = project.get_models()['columnModel']['keyColumnName']
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if not options.output:
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filename = time.strftime('%Y%m%d')
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else:
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filename = os.path.splitext(options.output)[0]
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ext = os.path.splitext(options.output)[1][1:]
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if not ext:
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ext = 'txt'
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if options.suffixById:
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ids_template = '{{forNonBlank(cells["' + keyColumn + '"].value, v, v, "")}}'
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ids_templateconfig = { 'engine': json.dumps(engine), 'template': ids_template, 'rowSeparator':'\n' }
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ids = [line.rstrip('\n') for line in project.export_templating(**ids_templateconfig) if line.rstrip('\n')]
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if options.mode == 'record-based':
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# record-based: split-character into template if key column is not blank (=record)
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template = '{{forNonBlank(cells["' + keyColumn + '"].value, v, "' + split + '", "")}}' + templateconfig['template']
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templateconfig.update({ 'prefix': '', 'suffix': '', 'template': template, 'rowSeparator':'' })
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else:
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# row-based: split-character into template
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template = split + templateconfig['template']
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templateconfig.update({ 'prefix': '', 'suffix': '', 'template': template, 'rowSeparator':'' })
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records = project.export_templating(**templateconfig).read().split(split)
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del records[0] # skip first blank entry
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if options.suffixById:
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for index, record in enumerate(records):
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output = open(filename + '_' + ids[index] + '.' + ext, 'wb')
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output.writelines([prefix, record, suffix])
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else:
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zeros = len(str(len(records)))
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for index, record in enumerate(records):
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output = open(filename + '_' + str(index+1).zfill(zeros) + '.' + ext, 'wb')
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output.writelines([prefix, record, suffix])
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else:
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output.writelines(project.export_templating(**templateconfig))
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output.close()
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else:
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output.writelines(project.export(export_format=export_format))
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output.close()
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