def StartViewer (entry, key, stringuri, parent=None, document=None):
if not is_interactive (): return
from Legacy.GnomeUI import Compat, Utils
uri = Fields.URL (stringuri)
scheme, location, path, parameters, query, fragment = uri.url
fileuri = uri.get_url ()
if uri.invalid or uri.inexact:
message = Utils.Callback (
_("Warning: This URL is marked as Invalid or Approximate: %s\nContinue?") % fileuri)
if not message.answer (): return
if document:
document.statusbar.set_status (_("Determining Mime Type ... "))
try:
mimetype = Compat.get_mime_type (fileuri)
except RuntimeError, mesg:
Utils.error_dialog(_("Cannot determine mime type for item %s ") % entry.key.key,
_("URL in question is: %s\n"
"You should check the url or path given for errors.\n"
"Details: %s")
% (fileuri, mesg))
if document:
document.statusbar.pop ()
return
if scheme == 'file' and not location:
filename = path
elif mimetype in ['text/html', 'text/plain']:
filename = fileuri
else:
filename, headers = urllib.urlretrieve (fileuri)
if mimetype == 'application/x-gzip':
try:
tempname = os.tmpnam ()
os.system ("gzip -d < %s >%s" %(filename, tempname))
filename = tempname
mimetype = Compat.get_mime_type (filename)
except RuntimeError, mesg:
Utils.error_dialog (_("IOError for item %s: cannot uncompress resource.")
% entry.key.key, _("URL: %s\nDetails: %s")
% (filename, mesg))
if document:
document.statusbar.pop ()
return
viewers = [
item [1] for item in
Config.get (config_viewers).data if item [0] == mimetype] or [
item [1] for item in
Config.get (config_viewers).data if item [0].endswith ('/*') and
item [0] [:-2] == mimetype1]
