def qute_resource(url: QUrl) -> _HandlerRet:
"""Handler for qute://resource."""
path = url.path().lstrip('/')
mimetype = utils.guess_mimetype(path, fallback=True)
try:
data = utils.read_file_binary(path)
except FileNotFoundError as e:
raise NotFoundError(str(e))
return mimetype, data
def qute_help(url: QUrl) -> _HandlerRet:
"""Handler for qute://help."""
urlpath = url.path()
if not urlpath or urlpath == '/':
urlpath = 'index.html'
else:
urlpath = urlpath.lstrip('/')
if not docutils.docs_up_to_date(urlpath):
message.error("Your documentation is outdated! Please re-run "
"scripts/asciidoc2html.py.")
path = 'html/doc/{}'.format(urlpath)
if not urlpath.endswith('.html'):
try:
bdata = utils.read_file_binary(path)
except OSError as e:
raise SchemeOSError(e)
mimetype = utils.guess_mimetype(urlpath)
return mimetype, bdata
try:
data = utils.read_file(path)
except OSError:
asciidoc = _asciidoc_fallback_path(path)
if asciidoc is None:
raise
preamble = textwrap.dedent("""
There was an error loading the documentation!
This most likely means the documentation was not generated
properly. If you are running qutebrowser from the git repository,
please (re)run scripts/asciidoc2html.py and reload this page.
If you're running a released version this is a bug, please use
:report to report it.
Falling back to the plaintext version.
---------------------------------------------------------------
""")
return 'text/plain', (preamble + asciidoc).encode('utf-8')
else:
return 'text/html', data
def get_pdfjs_res_and_path(path):
"""Get a pdf.js resource in binary format.
Returns a (content, path) tuple, where content is the file content and path
is the path where the file was found. If path is None, the bundled version
was used.
Args:
path: The path inside the pdfjs directory.
"""
path = path.lstrip('/')
content = None
file_path = None
system_paths = _SYSTEM_PATHS + [
# fallback
os.path.join(standarddir.data(), 'pdfjs'),
# hardcoded fallback for --temp-basedir
os.path.expanduser('~/.local/share/qutebrowser/pdfjs/'),
]
# First try a system wide installation
# System installations might strip off the 'build/' or 'web/' prefixes.
# qute expects them, so we need to adjust for it.
names_to_try = [path, _remove_prefix(path)]
for system_path in system_paths:
content, file_path = _read_from_system(system_path, names_to_try)
if content is not None:
break
# Fallback to bundled pdf.js
if content is None:
res_path = '3rdparty/pdfjs/{}'.format(path)
try:
content = utils.read_file_binary(res_path)
except FileNotFoundError:
raise PDFJSNotFound(path) from None
except OSError as e:
log.misc.warning("OSError while reading PDF.js file: {}".format(e))
raise PDFJSNotFound(path) from None
return content, file_path
def _data_url(self, path: str) -> str:
"""Get a data: url for the broken qutebrowser logo."""
data = utils.read_file_binary(path)
mimetype = utils.guess_mimetype(path)
return urlutils.data_url(mimetype, data).toString()