--- a/documents/datagov-export.py +++ b/documents/datagov-export.py @@ -2,14 +2,105 @@ import couchdb from ckanclient import CkanApiError import re + class LoaderError(Exception): pass + +# Instantiate the CKAN client. +#ckan = ckanclient.CkanClient(base_location='http://localhost:5000/api', api_key='b47b24cd-591d-40c1-8677-d73101d56d1b') +ckan = ckanclient.CkanClient(base_location='http://data.disclosurelo.gs/api', api_key='72f90359-0396-438c-804f-a26a24336747') +#couch = couchdb.Server('http://127.0.0.1:5984/') +couch = couchdb.Server('http://192.168.1.113:5984/') + +# http://stackoverflow.com/a/7778368/684978 +from HTMLParser import HTMLParser +import htmlentitydefs + +class HTMLTextExtractor(HTMLParser): + def __init__(self): + HTMLParser.__init__(self) + self.result = [ ] + + def handle_data(self, d): + self.result.append(d) + + def handle_charref(self, number): + codepoint = int(number[1:], 16) if number[0] in (u'x', u'X') else int(number) + self.result.append(unichr(codepoint)) + + def handle_entityref(self, name): + codepoint = htmlentitydefs.name2codepoint[name] + self.result.append(unichr(codepoint)) + + def get_text(self): + return u''.join(self.result) + +def html_to_text(html): + s = HTMLTextExtractor() + s.feed(html) + return s.get_text() + +# http://code.activestate.com/recipes/578019-bytes-to-human-human-to-bytes-converter/ +SYMBOLS = { + 'customary': ('B', 'KB', 'MB', 'GB', 'T', 'P', 'E', 'Z', 'Y'), + 'customary_ext': ('byte', 'kilo', 'mega', 'giga', 'tera', 'peta', 'exa', + 'zetta', 'iotta'), + 'iec': ('Bi', 'Ki', 'Mi', 'Gi', 'Ti', 'Pi', 'Ei', 'Zi', 'Yi'), + 'iec_ext': ('byte', 'kibi', 'mebi', 'gibi', 'tebi', 'pebi', 'exbi', + 'zebi', 'yobi'), +} + +def human2bytes(s): + """ + Attempts to guess the string format based on default symbols + set and return the corresponding bytes as an integer. + When unable to recognize the format ValueError is raised. + + >>> human2bytes('0 B') + 0 + >>> human2bytes('1 K') + 1024 + >>> human2bytes('1 M') + 1048576 + >>> human2bytes('1 Gi') + 1073741824 + >>> human2bytes('1 tera') + 1099511627776 + + >>> human2bytes('0.5kilo') + 512 + >>> human2bytes('0.1 byte') + 0 + >>> human2bytes('1 k') # k is an alias for K + 1024 + >>> human2bytes('12 foo') + Traceback (most recent call last): + ... + ValueError: can't interpret '12 foo' + """ + init = s + num = "" + while s and s[0:1].isdigit() or s[0:1] == '.': + num += s[0] + s = s[1:] + num = float(num) + letter = s.strip() + for name, sset in SYMBOLS.items(): + if letter in sset: + break + else: + if letter == 'k': + # treat 'k' as an alias for 'K' as per: http://goo.gl/kTQMs + sset = SYMBOLS['customary'] + letter = letter.upper() + else: + raise ValueError("can't interpret %r" % init) + prefix = {sset[0]: 1} + for i, s in enumerate(sset[1:]): + prefix[s] = 1 << (i + 1) * 10 + return int(num * prefix[letter]) + # https://github.com/okfn/ckanext-importlib -# Instantiate the CKAN client. -ckan = ckanclient.CkanClient(base_location='http://localhost:5000/api', - api_key='b47b24cd-591d-40c1-8677-d73101d56d1b') -# (use your own api_key from http://thedatahub.org/user/me ) - def munge(name): # convert spaces to underscores name = re.sub(' ', '_', name).lower() @@ -21,11 +112,30 @@ # remove double underscores name = re.sub('__', '_', name).lower() return name + + def name_munge(input_name): return munge(input_name.replace(' ', '').replace('.', '_').replace('&', 'and')) #return input_name.replace(' ', '').replace('.', '_').replace('&', 'and') -couch = couchdb.Server('http://127.0.0.1:5984/') +def get_licence_id(licencename): + map = { + "Creative Commons - Attribution-Share Alike 2.0 Australia (CC-SA)\nThe downloadable version of the database is licensed under CC-BY-SA Creative Commons Attribution Share Alike and contains only the database fields that are released under that license. These fields are object title, object number, object description as well as temporal, spatial and dimension details. It also contains a persistent URL for each record.": 'cc-by-sa', + "CreativeCommonsAttributionNonCommercial30AustraliaCCBYNC30": 'cc-nc', + 'Otherpleasespecify': 'notspecified', + '': 'notspecified', + "Publicly available data": 'notspecified', + "CreativeCommonsAttributionNoDerivativeWorks30AustraliaCCBYND30": "other-closed", + "CreativeCommonsAttributionNonCommercialNoDerivs30AustraliaCCBYNCND30": "other-closed", + 'CreativeCommonsAttribution30AustraliaCCBY30': 'cc-by', + "Creative Commons - Attribution 2.5 Australia (CC-BY)": 'cc-by', + 'CreativeCommonsAttributionCCBY25': 'cc-by', + "PublicDomain": 'other-pd', + } + if licencename not in map.keys(): + raise Exception(licencename + " not found"); + return map[licencename]; + docsdb = couch['disclosr-documents'] if __name__ == "__main__": @@ -34,25 +144,61 @@ if doc.value['url'] != "http://data.gov.au/data/": # Collect the package metadata. pkg_name = name_munge(doc.value['metadata']['DCTERMS.Title'][:100]) + tags = doc.value['metadata']["Keywords / Tags"] + if not hasattr(tags, '__iter__'): + tags = [tags] + [re.sub('[^a-zA-Z0-9-_()]', '', tag).replace('&', 'and').lower() for tag in tags] package_entity = { 'name': pkg_name, 'title': doc.value['metadata']['DCTERMS.Title'], 'url': doc.value['metadata']['DCTERMS.Source.URI'], - 'tags': doc.value['metadata']["Keywords / Tags"], #todo must be alphanumeric characters or symbols 'author': doc.value['metadata']["DCTERMS.Creator"], 'maintainer': doc.value['metadata']["DCTERMS.Creator"], - 'licence_id': doc.value['metadata']['DCTERMS.License'], - 'notes': doc.value['metadata']['Description'], - } + 'licence_id': get_licence_id(doc.value['metadata']['DCTERMS.License']), + 'notes': html_to_text(doc.value['metadata']['Description']), + } + if len(tags) > 0: + package_entity['tags'] = tags + print tags try: + #print doc.id ckan.package_register_post(package_entity) except CkanApiError, e: if ckan.last_status == 409: print "already exists" else: - raise LoaderError('Unexpected status %s checking for package under \'%s\': %r' % (ckan.last_status, doc.id, e.args)) + raise LoaderError('Unexpected status %s checking for package under \'%s\': %r' % ( + ckan.last_status, pkg_name, e.args)) print package_entity - ckan.add_package_resource(pkg_name, 'http://example.org/', name='Foo', resource_type='data', format='csv') - + #todo add to organisation (author/creator/maintainer) http://docs.ckan.org/en/latest/apiv3.html#examples ckan.logic.action.update.package_owner_org_update + #if 'data.gov.au Category' in doc.value['metadata'].keys(): #todo add to group + if 'Download' in doc.value['metadata'].keys(): + try: + pkg = ckan.package_entity_get(pkg_name) + resources = pkg.get('resources', []) + if len(resources) < len(doc.value['metadata']['Download']): + for resource in doc.value['metadata']['Download']: + print resource + # http://docs.ckan.org/en/ckan-1.7/domain-model-resource.html + # (KML/KMZ) / (Shapefile) /(Other) + format = "plain" + if resource['format'] == '(XML)': + format = 'xml' + if resource['format'] == '(CSV/XLS)': + format = 'csv' + name = resource['href'] + if 'name' in resource.keys(): + name = resource['name'] + ckan.add_package_resource(pkg_name, resource['href'], name=name, resource_type='data', + format=format, size=human2bytes(resource['size'].replace(',', ''))) + else: + print "resources already exist" + except CkanApiError, e: + if ckan.last_status == 404: + print "parent dataset does not exist" + else: + raise LoaderError('Unexpected status %s checking for package under \'%s\': %r' % ( + ckan.last_status, pkg_name, e.args)) +