def transform(self, indata, config=None, parameters={}):
strparams = {}
if config:
# paths to be used with the document() function
# must use unix path separators
if os.sep == "\\":
config = config.replace(os.sep, "/")
# print("Tranform: Using config %s. Contents:" % config)
# print(util.readfile(config))
config_fullpath = os.path.abspath(config)
strparams['configurationfile'] = XSLT.strparam(config_fullpath)
removefiles = []
for key, value in parameters.items():
if key.endswith("file") and value:
if all(ord(c) < 128 and c != " " for c in value):
# IF the file name contains ONLY ascii chars and
# no spaces, we can use it directly. However, we
# need to relativize path of file relative to the
# XSL file we'll be using. The mechanism could be
# clearer...
value = os.path.relpath(value, self.templdir)
else:
# If the filename contains non-ascii characters or
# space, any attempt to eg
# "document($annotationfile)" in the XSLT document
# will silently fail. Seriously, f**k lxml's error
# handling. In this case, copy it to a temp file
# (in the temporary templdir, with ascii filename)
# and use that.
contents = util.readfile(value)
value = os.path.basename(value)
value = "".join(c for c in value
if ord(c) < 128 and c != " ")
removefiles.append(self.templdir + os.sep + value)
util.writefile(self.templdir + os.sep + value, contents)
if os.sep == "\\":
value = value.replace(os.sep, "/")
strparams[key] = XSLT.strparam(value)
try:
return self._transformer(indata, **strparams)
except etree.XSLTApplyError as e:
# the exception will only contain the last error. Errors
# emanting from the xhtml file will not have file/line
# number information. Errors emanting from the xslt file
# do have file/line number info, and is probably more
# useful to deal with.
for error in self._transformer.error_log:
if error.line:
log.error("%s: %s (line %s)" %
(error.filename, error.message, error.line))
raise errors.TransformError(str(e))
finally:
for f in removefiles:
util.robust_remove(f)
# FIXME: This can never be reached, if _transformer() does not
# raise an error, the above returns immediately.
if len(self._transformer.error_log) > 0:
raise errors.TransformError(str(_transformer.error_log))
def transform(self, indata, config=None, parameters={}):
strparams = {}
if config:
# paths to be used with the document() function
# must use unix path separators
if os.sep == "\\":
config = config.replace(os.sep, "/")
# print("Tranform: Using config %s. Contents:" % config)
# print(util.readfile(config))
config_fullpath = os.path.abspath(config)
strparams['configurationfile'] = XSLT.strparam(config_fullpath)
removefiles = []
for key, value in parameters.items():
if key.endswith("file") and value:
if all(ord(c) < 128 and c != " " for c in value):
# IF the file name contains ONLY ascii chars and
# no spaces, we can use it directly. However, we
# need to relativize path of file relative to the
# XSL file we'll be using. The mechanism could be
# clearer...
value = os.path.relpath(value, self.templdir)
else:
# If the filename contains non-ascii characters or
# space, any attempt to eg
# "document($annotationfile)" in the XSLT document
# will silently fail. Seriously, f**k lxml's error
# handling. In this case, copy it to a temp file
# (in the temporary templdir, with ascii filename)
# and use that.
contents = util.readfile(value)
value = os.path.basename(value)
value = "".join(c for c in value if ord(c) < 128 and c != " ")
removefiles.append(self.templdir+os.sep+value)
util.writefile(self.templdir+os.sep+value, contents)
if os.sep == "\\":
value = value.replace(os.sep, "/")
strparams[key] = XSLT.strparam(value)
try:
return self._transformer(indata, **strparams)
except etree.XSLTApplyError as e:
# the exception will only contain the last error. Errors
# emanting from the xhtml file will not have file/line
# number information. Errors emanting from the xslt file
# do have file/line number info, and is probably more
# useful to deal with.
for error in self._transformer.error_log:
if error.line:
log.error("%s: %s (line %s)" % (error.filename, error.message, error.line))
raise errors.TransformError(str(e))
finally:
for f in removefiles:
util.robust_remove(f)
# FIXME: This can never be reached, if _transformer() does not
# raise an error, the above returns immediately.
if len(self._transformer.error_log) > 0:
raise errors.TransformError(str(_transformer.error_log))
def parse_formex(self, doc, source):
parser = etree.XMLParser(remove_blank_text=True)
sourcetree = etree.parse(source, parser).getroot()
fp = self.resourceloader.openfp("xsl/formex.xsl")
xslttree = etree.parse(fp, parser)
transformer = etree.XSLT(xslttree)
params = etree.XSLT
resulttree = transformer(sourcetree,
about=XSLT.strparam(doc.uri),
rdftype=XSLT.strparam(str(doc.meta.value(URIRef(doc.uri), RDF.type))))
return resulttree
# re-parse to fix whitespace
buffer = BytesIO(etree.tostring(resulttree, encoding="utf-8"))
return etree.parse(buffer, parser)
def create_report_templates(self, config):
"""
This object takes the full configuration element and the path
to an XSLT and does the transforms necessary to create templates
for use in BARD reporting
"""
xslt_path = settings.BARD_TRANSFORM
template_dir = '%s/django/publicmapping/redistricting/templates' % config.xpath('//Project')[0].get('root')
# Open up the XSLT file and create a transform
f = file(xslt_path)
xml = parse(f)
transform = XSLT(xml)
# For each legislative body, create the reporting step HTML
# template. If there is no config for a body, the XSLT transform
# should create a "Sorry, no reports" template
bodies = config.xpath('//DistrictBuilder/LegislativeBodies/LegislativeBody')
for body in bodies:
# Name the template after the body's name
body_id = body.get('id')
body_name = body.get('name')[:256]
logging.info("Creating BARD reporting template for %s", body_name)
body_name = body_name.lower()
template_path = '%s/bard_%s.html' % (template_dir, body_name)
# Pass the body's identifier in as a parameter
xslt_param = XSLT.strparam(body_id)
result = transform(config, legislativebody = xslt_param)
f = open(template_path, 'w')
f.write(str(result))
f.close()
def transform(self, indata, config=None, parameters={}):
strparams = {}
if config:
# paths to be used with the document() function
# must use unix path separators
if os.sep == "\\":
config = config.replace(os.sep, "/")
strparams['configurationfile'] = XSLT.strparam(config)
for key, value in parameters.items():
if key.endswith("file"):
# relativize path of file relative to the XSL file
# we'll be using. The mechanism could be clearer...
value = os.path.relpath(value, self.templdir)
if os.sep == "\\":
value = value.replace(os.sep, "/")
strparams[key] = XSLT.strparam(value)
try:
return self._transformer(indata, **strparams)
except etree.XSLTApplyError as e:
raise errors.TransformError(str(e))
if len(self._transformer.error_log) > 0:
raise errors.TransformError(str(_transformer.error_log))
def create_report_templates(self, config):
"""
This object takes the full configuration element and the path
to an XSLT and does the transforms necessary to create templates
for use in BARD reporting
"""
xslt_path = settings.BARD_TRANSFORM
template_dir = '%s/django/publicmapping/redistricting/templates' % config.xpath(
'//Project')[0].get('root')
# Open up the XSLT file and create a transform
f = file(xslt_path)
xml = parse(f)
transform = XSLT(xml)
# For each legislative body, create the reporting step HTML
# template. If there is no config for a body, the XSLT transform
# should create a "Sorry, no reports" template
bodies = config.xpath(
'//DistrictBuilder/LegislativeBodies/LegislativeBody')
for body in bodies:
# Name the template after the body's name
body_id = body.get('id')
body_name = body.get('name')[:256]
logger.info("Creating BARD reporting template for %s", body_name)
body_name = body_name.lower()
template_path = '%s/bard_%s.html' % (template_dir, body_name)
# Pass the body's identifier in as a parameter
xslt_param = XSLT.strparam(body_id)
result = transform(config, legislativebody=xslt_param)
f = open(template_path, 'w')
f.write(str(result))
f.close()
