| import ckanclient | import ckanclient |
| import couchdb | import couchdb |
| from ckanclient import CkanApiError | from ckanclient import CkanApiError |
| import re | import re |
| class LoaderError(Exception): | class LoaderError(Exception): |
| pass | pass |
| # Instantiate the CKAN client. | # Instantiate the CKAN client. |
| ckan = ckanclient.CkanClient(base_location='http://localhost:5000/api', | #ckan = ckanclient.CkanClient(base_location='http://localhost:5000/api', api_key='b47b24cd-591d-40c1-8677-d73101d56d1b') |
| api_key='b47b24cd-591d-40c1-8677-d73101d56d1b') | ckan = ckanclient.CkanClient(base_location='http://data.disclosurelo.gs/api', api_key='72f90359-0396-438c-804f-a26a24336747') |
| # (use your own api_key from http://thedatahub.org/user/me ) | #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/ | # http://code.activestate.com/recipes/578019-bytes-to-human-human-to-bytes-converter/ |
| SYMBOLS = { | SYMBOLS = { |
| 'customary': ('B', 'KB', 'MB', 'GB', 'T', 'P', 'E', 'Z', 'Y'), | 'customary': ('B', 'KB', 'MB', 'GB', 'T', 'P', 'E', 'Z', 'Y'), |
| 'customary_ext': ('byte', 'kilo', 'mega', 'giga', 'tera', 'peta', 'exa', | 'customary_ext': ('byte', 'kilo', 'mega', 'giga', 'tera', 'peta', 'exa', |
| 'zetta', 'iotta'), | 'zetta', 'iotta'), |
| 'iec': ('Bi', 'Ki', 'Mi', 'Gi', 'Ti', 'Pi', 'Ei', 'Zi', 'Yi'), | 'iec': ('Bi', 'Ki', 'Mi', 'Gi', 'Ti', 'Pi', 'Ei', 'Zi', 'Yi'), |
| 'iec_ext': ('byte', 'kibi', 'mebi', 'gibi', 'tebi', 'pebi', 'exbi', | 'iec_ext': ('byte', 'kibi', 'mebi', 'gibi', 'tebi', 'pebi', 'exbi', |
| 'zebi', 'yobi'), | 'zebi', 'yobi'), |
| } | } |
| def human2bytes(s): | def human2bytes(s): |
| """ | """ |
| Attempts to guess the string format based on default symbols | Attempts to guess the string format based on default symbols |
| set and return the corresponding bytes as an integer. | set and return the corresponding bytes as an integer. |
| When unable to recognize the format ValueError is raised. | When unable to recognize the format ValueError is raised. |
| >>> human2bytes('0 B') | >>> human2bytes('0 B') |
| 0 | 0 |
| >>> human2bytes('1 K') | >>> human2bytes('1 K') |
| 1024 | 1024 |
| >>> human2bytes('1 M') | >>> human2bytes('1 M') |
| 1048576 | 1048576 |
| >>> human2bytes('1 Gi') | >>> human2bytes('1 Gi') |
| 1073741824 | 1073741824 |
| >>> human2bytes('1 tera') | >>> human2bytes('1 tera') |
| 1099511627776 | 1099511627776 |
| >>> human2bytes('0.5kilo') | >>> human2bytes('0.5kilo') |
| 512 | 512 |
| >>> human2bytes('0.1 byte') | >>> human2bytes('0.1 byte') |
| 0 | 0 |
| >>> human2bytes('1 k') # k is an alias for K | >>> human2bytes('1 k') # k is an alias for K |
| 1024 | 1024 |
| >>> human2bytes('12 foo') | >>> human2bytes('12 foo') |
| Traceback (most recent call last): | Traceback (most recent call last): |
| ... | ... |
| ValueError: can't interpret '12 foo' | ValueError: can't interpret '12 foo' |
| """ | """ |
| init = s | init = s |
| num = "" | num = "" |
| while s and s[0:1].isdigit() or s[0:1] == '.': | while s and s[0:1].isdigit() or s[0:1] == '.': |
| num += s[0] | num += s[0] |
| s = s[1:] | s = s[1:] |
| num = float(num) | num = float(num) |
| letter = s.strip() | letter = s.strip() |
| for name, sset in SYMBOLS.items(): | for name, sset in SYMBOLS.items(): |
| if letter in sset: | if letter in sset: |
| break | break |
| else: | else: |
| if letter == 'k': | if letter == 'k': |
| # treat 'k' as an alias for 'K' as per: http://goo.gl/kTQMs | # treat 'k' as an alias for 'K' as per: http://goo.gl/kTQMs |
| sset = SYMBOLS['customary'] | sset = SYMBOLS['customary'] |
| letter = letter.upper() | letter = letter.upper() |
| else: | else: |
| raise ValueError("can't interpret %r" % init) | raise ValueError("can't interpret %r" % init) |
| prefix = {sset[0]: 1} | prefix = {sset[0]: 1} |
| for i, s in enumerate(sset[1:]): | for i, s in enumerate(sset[1:]): |
| prefix[s] = 1 << (i + 1) * 10 | prefix[s] = 1 << (i + 1) * 10 |
| return int(num * prefix[letter]) | return int(num * prefix[letter]) |
| # https://github.com/okfn/ckanext-importlib | # https://github.com/okfn/ckanext-importlib |
| def munge(name): | def munge(name): |
| # convert spaces to underscores | # convert spaces to underscores |
| name = re.sub(' ', '_', name).lower() | name = re.sub(' ', '_', name).lower() |
| # convert symbols to dashes | # convert symbols to dashes |
| name = re.sub('[:]', '_-', name).lower() | name = re.sub('[:]', '_-', name).lower() |
| name = re.sub('[/]', '-', name).lower() | name = re.sub('[/]', '-', name).lower() |
| # take out not-allowed characters | # take out not-allowed characters |
| name = re.sub('[^a-zA-Z0-9-_]', '', name).lower() | name = re.sub('[^a-zA-Z0-9-_]', '', name).lower() |
| # remove double underscores | # remove double underscores |
| name = re.sub('__', '_', name).lower() | name = re.sub('__', '_', name).lower() |
| return name | return name |
| def name_munge(input_name): | def name_munge(input_name): |
| return munge(input_name.replace(' ', '').replace('.', '_').replace('&', 'and')) | return munge(input_name.replace(' ', '').replace('.', '_').replace('&', 'and')) |
| #return 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'] | docsdb = couch['disclosr-documents'] |
| if __name__ == "__main__": | if __name__ == "__main__": |
| for doc in docsdb.view('app/datasets'): | for doc in docsdb.view('app/datasets'): |
| print doc.id | print doc.id |
| if doc.value['url'] != "http://data.gov.au/data/": | if doc.value['url'] != "http://data.gov.au/data/": |
| # Collect the package metadata. | # Collect the package metadata. |
| pkg_name = name_munge(doc.value['metadata']['DCTERMS.Title'][:100]) | pkg_name = name_munge(doc.value['metadata']['DCTERMS.Title'][:100]) |
| tags = doc.value['metadata']["Keywords / Tags"] | tags = doc.value['metadata']["Keywords / Tags"] |
| if not hasattr(tags, '__iter__'): | if not hasattr(tags, '__iter__'): |
| tags = [tags] | tags = [tags] |
| [re.sub('[^a-zA-Z0-9-_]', '', tag).lower() for tag in tags] | [re.sub('[^a-zA-Z0-9-_()]', '', tag).replace('&', 'and').lower() for tag in tags] |
| package_entity = { | package_entity = { |
| 'name': pkg_name, | 'name': pkg_name, |
| 'title': doc.value['metadata']['DCTERMS.Title'], | 'title': doc.value['metadata']['DCTERMS.Title'], |
| 'url': doc.value['metadata']['DCTERMS.Source.URI'], | 'url': doc.value['metadata']['DCTERMS.Source.URI'], |
| 'tags': tags, | |
| 'author': doc.value['metadata']["DCTERMS.Creator"], | 'author': doc.value['metadata']["DCTERMS.Creator"], |
| 'maintainer': doc.value['metadata']["DCTERMS.Creator"], | 'maintainer': doc.value['metadata']["DCTERMS.Creator"], |
| 'licence_id': doc.value['metadata']['DCTERMS.License'], #todo licence id mapping | 'licence_id': get_licence_id(doc.value['metadata']['DCTERMS.License']), |
| 'notes': doc.value['metadata']['Description'], | 'notes': html_to_text(doc.value['metadata']['Description']), |
| } | } |
| if len(tags) > 0: | |
| package_entity['tags'] = tags | |
| print tags | |
| try: | try: |
| #print doc.id | #print doc.id |
| ckan.package_register_post(package_entity) | ckan.package_register_post(package_entity) |
| except CkanApiError, e: | except CkanApiError, e: |
| if ckan.last_status == 409: | if ckan.last_status == 409: |
| print "already exists" | print "already exists" |
| else: | else: |
| raise LoaderError('Unexpected status %s checking for package under \'%s\': %r' % ( | raise LoaderError('Unexpected status %s checking for package under \'%s\': %r' % ( |
| ckan.last_status, pkg_name, e.args)) | ckan.last_status, pkg_name, e.args)) |
| print package_entity | print package_entity |
| #todo add to organisation (author/creator/maintainer) | #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 'data.gov.au Category' in doc.value['metadata'].keys(): #todo add to group |
| if 'Download' in doc.value['metadata'].keys(): | if 'Download' in doc.value['metadata'].keys(): |
| try: | try: |
| pkg = ckan.package_entity_get(pkg_name) | pkg = ckan.package_entity_get(pkg_name) |
| resources = pkg.get('resources', []) | resources = pkg.get('resources', []) |
| if len(resources) < len(doc.value['metadata']['Download']): | if len(resources) < len(doc.value['metadata']['Download']): |
| for resource in doc.value['metadata']['Download']: | for resource in doc.value['metadata']['Download']: |
| #print resource | print resource |
| # http://docs.ckan.org/en/ckan-1.7/domain-model-resource.html | # http://docs.ckan.org/en/ckan-1.7/domain-model-resource.html |
| # (KML/KMZ) / (Shapefile) /(Other) | # (KML/KMZ) / (Shapefile) /(Other) |
| format = "plain" | format = "plain" |
| if resource['format'] == '(XML)': | if resource['format'] == '(XML)': |
| format = 'xml' | format = 'xml' |
| if resource['format'] == '(CSV/XLS)': | if resource['format'] == '(CSV/XLS)': |
| format = 'csv' | format = 'csv' |
| name = resource['href'] | name = resource['href'] |
| if 'name' in resource.keys(): | if 'name' in resource.keys(): |
| name = resource['name'] | name = resource['name'] |
| ckan.add_package_resource(pkg_name, resource['href'], name=name, resource_type='data', | ckan.add_package_resource(pkg_name, resource['href'], name=name, resource_type='data', |
| format=format, size=human2bytes(resource['size'].replace(',', ''))) | format=format, size=human2bytes(resource['size'].replace(',', ''))) |
| else: | else: |
| print "resources already exist" | print "resources already exist" |
| except CkanApiError, e: | except CkanApiError, e: |
| if ckan.last_status == 404: | if ckan.last_status == 404: |
| print "parent dataset does not exist" | print "parent dataset does not exist" |
| else: | else: |
| raise LoaderError('Unexpected status %s checking for package under \'%s\': %r' % ( | raise LoaderError('Unexpected status %s checking for package under \'%s\': %r' % ( |
| ckan.last_status, pkg_name, e.args)) | ckan.last_status, pkg_name, e.args)) |