def save_hazard_layer(self, hazard_path):
# download or copy hazard path/url
# It is a single tif file
if not hazard_path and not os.path.exists(self.hazard_path):
raise IOError("Hazard file not specified")
if hazard_path:
temp_hazard = download_file(hazard_path)
shutil.copy(temp_hazard, self.hazard_path)
# copy qml and metadata
shutil.copy(self.ash_fixtures_dir("hazard.qml"), self.working_dir_path("hazard.qml"))
keyword_io = KeywordIO()
keywords = {
"hazard_category": u"single_event",
"keyword_version": u"3.5",
"title": u"Ash Fall",
"hazard": u"volcanic_ash",
"continuous_hazard_unit": u"centimetres",
"layer_geometry": u"raster",
"layer_purpose": u"hazard",
"layer_mode": u"continuous",
}
hazard_layer = read_qgis_layer(self.hazard_path, "Ash Fall")
keyword_io.write_keywords(hazard_layer, keywords)
def save_hazard_layer(self, hazard_path):
# download or copy hazard path/url
# It is a single tif file
if not hazard_path and not os.path.exists(self.hazard_path):
raise IOError('Hazard file not specified')
if hazard_path:
temp_hazard = download_file(hazard_path)
shutil.copy(temp_hazard, self.hazard_path)
# copy qml and metadata
shutil.copy(self.ash_fixtures_dir('hazard.qml'),
self.working_dir_path('hazard.qml'))
keyword_io = KeywordIO()
keywords = {
'hazard_category': u'single_event',
'keyword_version': u'3.5',
'title': u'Ash Fall',
'hazard': u'volcanic_ash',
'continuous_hazard_unit': u'centimetres',
'layer_geometry': u'raster',
'layer_purpose': u'hazard',
'layer_mode': u'continuous'
}
hazard_layer = read_qgis_layer(self.hazard_path, 'Ash Fall')
keyword_io.write_keywords(hazard_layer, keywords)
def read_keywords_iso_metadata(metadata_url, keyword=None):
"""Read xml metadata of a layer"""
filename = download_file(metadata_url)
# add xml extension
new_filename = filename + '.xml'
shutil.move(filename, new_filename)
keyword_io = KeywordIO()
keywords = keyword_io.read_keywords_file(new_filename)
if keyword:
return keywords.get(keyword, None)
return keywords
def read_keywords_iso_metadata(metadata_url, keyword=None):
"""Read xml metadata of a layer"""
filename = download_file(metadata_url)
# add xml extension
new_filename = filename + '.xml'
shutil.move(filename, new_filename)
keyword_io = KeywordIO()
keywords = keyword_io.read_keywords_file(new_filename)
if keyword:
return keywords.get(keyword, None)
return keywords
def read_keywords_iso_metadata(metadata_url, keyword=None):
"""Read xml metadata of a layer
:param keyword: Can be string or tuple containing keywords to search for
:type keyword: str, (str, )
:return: the keywords, or a dictionary with key-value pair
"""
filename = download_file(metadata_url)
# add xml extension
new_filename = filename + '.xml'
shutil.move(filename, new_filename)
keywords = read_iso19115_metadata(new_filename)
if keyword:
if isinstance(keyword, tuple) or isinstance(keyword, list):
ret_val = {}
for key in keyword:
ret_val[key] = keywords.get(key, None)
return ret_val
else:
return keywords.get(keyword, None)
return keywords
def read_keywords_iso_metadata(metadata_url, keyword=None):
"""Read xml metadata of a layer
:param keyword: Can be string or tuple containing keywords to search for
:type keyword: str, (str, )
:return: the keywords, or a dictionary with key-value pair
"""
filename = download_file(metadata_url)
# add xml extension
new_filename = filename + '.xml'
shutil.move(filename, new_filename)
keywords = read_iso19115_metadata(new_filename)
if keyword:
if isinstance(keyword, tuple) or isinstance(keyword, list):
ret_val = {}
for key in keyword:
ret_val[key] = keywords.get(key, None)
return ret_val
else:
return keywords.get(keyword, None)
return keywords
