def doExportStyle(self, stylename, filename, cfgxml):
if filename != '':
styleDir = self.config.stylesDir
style = Style(styleDir / stylename)
log.debug("dir %s" % style.get_style_dir())
self.__exportStyle(style.get_style_dir(), unicode(filename), cfgxml)
def doImportStyle(self, filename):
""" Imports an style from a ZIP file
Checks that it is a valid style file (has a content.css),
that the directory does not exist (prevent overwriting),
and if config.xml file exists, it checks that the style
name does not exist.
"""
styleDir = self.config.stylesDir
log.debug("Import style from %s" % filename)
filename = filename.decode('utf-8')
BaseFile = os.path.basename(filename)
targetDir = BaseFile[0:-4:]
absoluteTargetDir = styleDir / targetDir
try:
sourceZip = ZipFile(filename, 'r')
except IOError:
# Can not create DOM object
raise ImportStyleError(_('Could not retrieve data (Core error)'))
if os.path.isdir(absoluteTargetDir):
style = Style(absoluteTargetDir)
raise ImportStyleExistsError(style, absoluteTargetDir,
_('Directory exists'))
else:
os.mkdir(absoluteTargetDir)
for name in sourceZip.namelist():
sourceZip.extract(name, absoluteTargetDir)
sourceZip.close()
style = Style(absoluteTargetDir)
if style.isValid():
if not self.config.styleStore.addStyle(style):
absoluteTargetDir.rmtree()
raise ImportStyleExistsError(
style, absoluteTargetDir,
_('The style name already exists'))
else:
# Check missing files
cssFile = style.get_style_dir() / 'content.css'
files_to_check = ['content.css']
missing_files = []
for f in files_to_check:
if not (style.get_style_dir() / f).exists():
missing_files.append(f)
if missing_files:
# Missing files error
missing_files_text = ', '.join(missing_files)
if len(missing_files) > 1:
style_error = ImportStyleError(
_('Files %s does not exist or are not readable.') %
missing_files_text)
else:
style_error = ImportStyleError(
_('File %s does not exist or is not readable.') %
missing_files_text)
else:
configStyle = style.get_style_dir() / 'config.xml'
if configStyle.exists():
# We consider that if no file is missing the error is due to the format of config.xml
style_error = ImportStyleError(
_('Wrong config.xml file format.'))
else:
# Generic error
style_error = ImportStyleError(
_('An unknown error occurred while importing the style.'
))
# Remove the style
absoluteTargetDir.rmtree()
# Raise error
raise style_error
# If not error was thrown, style was successfully imported
# Let the calling function inform the user as appropriate
self.action = ""
