mirror of https://github.com/morpheus65535/bazarr
418 lines
12 KiB
Python
418 lines
12 KiB
Python
# mako/exceptions.py
|
|
# Copyright 2006-2022 the Mako authors and contributors <see AUTHORS file>
|
|
#
|
|
# This module is part of Mako and is released under
|
|
# the MIT License: http://www.opensource.org/licenses/mit-license.php
|
|
|
|
"""exception classes"""
|
|
|
|
import sys
|
|
import traceback
|
|
|
|
from mako import compat
|
|
from mako import util
|
|
|
|
|
|
class MakoException(Exception):
|
|
pass
|
|
|
|
|
|
class RuntimeException(MakoException):
|
|
pass
|
|
|
|
|
|
def _format_filepos(lineno, pos, filename):
|
|
if filename is None:
|
|
return " at line: %d char: %d" % (lineno, pos)
|
|
else:
|
|
return " in file '%s' at line: %d char: %d" % (filename, lineno, pos)
|
|
|
|
|
|
class CompileException(MakoException):
|
|
def __init__(self, message, source, lineno, pos, filename):
|
|
MakoException.__init__(
|
|
self, message + _format_filepos(lineno, pos, filename)
|
|
)
|
|
self.lineno = lineno
|
|
self.pos = pos
|
|
self.filename = filename
|
|
self.source = source
|
|
|
|
|
|
class SyntaxException(MakoException):
|
|
def __init__(self, message, source, lineno, pos, filename):
|
|
MakoException.__init__(
|
|
self, message + _format_filepos(lineno, pos, filename)
|
|
)
|
|
self.lineno = lineno
|
|
self.pos = pos
|
|
self.filename = filename
|
|
self.source = source
|
|
|
|
|
|
class UnsupportedError(MakoException):
|
|
|
|
"""raised when a retired feature is used."""
|
|
|
|
|
|
class NameConflictError(MakoException):
|
|
|
|
"""raised when a reserved word is used inappropriately"""
|
|
|
|
|
|
class TemplateLookupException(MakoException):
|
|
pass
|
|
|
|
|
|
class TopLevelLookupException(TemplateLookupException):
|
|
pass
|
|
|
|
|
|
class RichTraceback:
|
|
|
|
"""Pull the current exception from the ``sys`` traceback and extracts
|
|
Mako-specific template information.
|
|
|
|
See the usage examples in :ref:`handling_exceptions`.
|
|
|
|
"""
|
|
|
|
def __init__(self, error=None, traceback=None):
|
|
self.source, self.lineno = "", 0
|
|
|
|
if error is None or traceback is None:
|
|
t, value, tback = sys.exc_info()
|
|
|
|
if error is None:
|
|
error = value or t
|
|
|
|
if traceback is None:
|
|
traceback = tback
|
|
|
|
self.error = error
|
|
self.records = self._init(traceback)
|
|
|
|
if isinstance(self.error, (CompileException, SyntaxException)):
|
|
self.source = self.error.source
|
|
self.lineno = self.error.lineno
|
|
self._has_source = True
|
|
|
|
self._init_message()
|
|
|
|
@property
|
|
def errorname(self):
|
|
return compat.exception_name(self.error)
|
|
|
|
def _init_message(self):
|
|
"""Find a unicode representation of self.error"""
|
|
try:
|
|
self.message = str(self.error)
|
|
except UnicodeError:
|
|
try:
|
|
self.message = str(self.error)
|
|
except UnicodeEncodeError:
|
|
# Fallback to args as neither unicode nor
|
|
# str(Exception(u'\xe6')) work in Python < 2.6
|
|
self.message = self.error.args[0]
|
|
if not isinstance(self.message, str):
|
|
self.message = str(self.message, "ascii", "replace")
|
|
|
|
def _get_reformatted_records(self, records):
|
|
for rec in records:
|
|
if rec[6] is not None:
|
|
yield (rec[4], rec[5], rec[2], rec[6])
|
|
else:
|
|
yield tuple(rec[0:4])
|
|
|
|
@property
|
|
def traceback(self):
|
|
"""Return a list of 4-tuple traceback records (i.e. normal python
|
|
format) with template-corresponding lines remapped to the originating
|
|
template.
|
|
|
|
"""
|
|
return list(self._get_reformatted_records(self.records))
|
|
|
|
@property
|
|
def reverse_records(self):
|
|
return reversed(self.records)
|
|
|
|
@property
|
|
def reverse_traceback(self):
|
|
"""Return the same data as traceback, except in reverse order."""
|
|
|
|
return list(self._get_reformatted_records(self.reverse_records))
|
|
|
|
def _init(self, trcback):
|
|
"""format a traceback from sys.exc_info() into 7-item tuples,
|
|
containing the regular four traceback tuple items, plus the original
|
|
template filename, the line number adjusted relative to the template
|
|
source, and code line from that line number of the template."""
|
|
|
|
import mako.template
|
|
|
|
mods = {}
|
|
rawrecords = traceback.extract_tb(trcback)
|
|
new_trcback = []
|
|
for filename, lineno, function, line in rawrecords:
|
|
if not line:
|
|
line = ""
|
|
try:
|
|
(line_map, template_lines, template_filename) = mods[filename]
|
|
except KeyError:
|
|
try:
|
|
info = mako.template._get_module_info(filename)
|
|
module_source = info.code
|
|
template_source = info.source
|
|
template_filename = (
|
|
info.template_filename or info.template_uri or filename
|
|
)
|
|
except KeyError:
|
|
# A normal .py file (not a Template)
|
|
new_trcback.append(
|
|
(
|
|
filename,
|
|
lineno,
|
|
function,
|
|
line,
|
|
None,
|
|
None,
|
|
None,
|
|
None,
|
|
)
|
|
)
|
|
continue
|
|
|
|
template_ln = 1
|
|
|
|
mtm = mako.template.ModuleInfo
|
|
source_map = mtm.get_module_source_metadata(
|
|
module_source, full_line_map=True
|
|
)
|
|
line_map = source_map["full_line_map"]
|
|
|
|
template_lines = [
|
|
line_ for line_ in template_source.split("\n")
|
|
]
|
|
mods[filename] = (line_map, template_lines, template_filename)
|
|
|
|
template_ln = line_map[lineno - 1]
|
|
|
|
if template_ln <= len(template_lines):
|
|
template_line = template_lines[template_ln - 1]
|
|
else:
|
|
template_line = None
|
|
new_trcback.append(
|
|
(
|
|
filename,
|
|
lineno,
|
|
function,
|
|
line,
|
|
template_filename,
|
|
template_ln,
|
|
template_line,
|
|
template_source,
|
|
)
|
|
)
|
|
if not self.source:
|
|
for l in range(len(new_trcback) - 1, 0, -1):
|
|
if new_trcback[l][5]:
|
|
self.source = new_trcback[l][7]
|
|
self.lineno = new_trcback[l][5]
|
|
break
|
|
else:
|
|
if new_trcback:
|
|
try:
|
|
# A normal .py file (not a Template)
|
|
with open(new_trcback[-1][0], "rb") as fp:
|
|
encoding = util.parse_encoding(fp)
|
|
if not encoding:
|
|
encoding = "utf-8"
|
|
fp.seek(0)
|
|
self.source = fp.read()
|
|
if encoding:
|
|
self.source = self.source.decode(encoding)
|
|
except IOError:
|
|
self.source = ""
|
|
self.lineno = new_trcback[-1][1]
|
|
return new_trcback
|
|
|
|
|
|
def text_error_template(lookup=None):
|
|
"""Provides a template that renders a stack trace in a similar format to
|
|
the Python interpreter, substituting source template filenames, line
|
|
numbers and code for that of the originating source template, as
|
|
applicable.
|
|
|
|
"""
|
|
import mako.template
|
|
|
|
return mako.template.Template(
|
|
r"""
|
|
<%page args="error=None, traceback=None"/>
|
|
<%!
|
|
from mako.exceptions import RichTraceback
|
|
%>\
|
|
<%
|
|
tback = RichTraceback(error=error, traceback=traceback)
|
|
%>\
|
|
Traceback (most recent call last):
|
|
% for (filename, lineno, function, line) in tback.traceback:
|
|
File "${filename}", line ${lineno}, in ${function or '?'}
|
|
${line | trim}
|
|
% endfor
|
|
${tback.errorname}: ${tback.message}
|
|
"""
|
|
)
|
|
|
|
|
|
def _install_pygments():
|
|
global syntax_highlight, pygments_html_formatter
|
|
from mako.ext.pygmentplugin import syntax_highlight # noqa
|
|
from mako.ext.pygmentplugin import pygments_html_formatter # noqa
|
|
|
|
|
|
def _install_fallback():
|
|
global syntax_highlight, pygments_html_formatter
|
|
from mako.filters import html_escape
|
|
|
|
pygments_html_formatter = None
|
|
|
|
def syntax_highlight(filename="", language=None):
|
|
return html_escape
|
|
|
|
|
|
def _install_highlighting():
|
|
try:
|
|
_install_pygments()
|
|
except ImportError:
|
|
_install_fallback()
|
|
|
|
|
|
_install_highlighting()
|
|
|
|
|
|
def html_error_template():
|
|
"""Provides a template that renders a stack trace in an HTML format,
|
|
providing an excerpt of code as well as substituting source template
|
|
filenames, line numbers and code for that of the originating source
|
|
template, as applicable.
|
|
|
|
The template's default ``encoding_errors`` value is
|
|
``'htmlentityreplace'``. The template has two options. With the
|
|
``full`` option disabled, only a section of an HTML document is
|
|
returned. With the ``css`` option disabled, the default stylesheet
|
|
won't be included.
|
|
|
|
"""
|
|
import mako.template
|
|
|
|
return mako.template.Template(
|
|
r"""
|
|
<%!
|
|
from mako.exceptions import RichTraceback, syntax_highlight,\
|
|
pygments_html_formatter
|
|
%>
|
|
<%page args="full=True, css=True, error=None, traceback=None"/>
|
|
% if full:
|
|
<html>
|
|
<head>
|
|
<title>Mako Runtime Error</title>
|
|
% endif
|
|
% if css:
|
|
<style>
|
|
body { font-family:verdana; margin:10px 30px 10px 30px;}
|
|
.stacktrace { margin:5px 5px 5px 5px; }
|
|
.highlight { padding:0px 10px 0px 10px; background-color:#9F9FDF; }
|
|
.nonhighlight { padding:0px; background-color:#DFDFDF; }
|
|
.sample { padding:10px; margin:10px 10px 10px 10px;
|
|
font-family:monospace; }
|
|
.sampleline { padding:0px 10px 0px 10px; }
|
|
.sourceline { margin:5px 5px 10px 5px; font-family:monospace;}
|
|
.location { font-size:80%; }
|
|
.highlight { white-space:pre; }
|
|
.sampleline { white-space:pre; }
|
|
|
|
% if pygments_html_formatter:
|
|
${pygments_html_formatter.get_style_defs()}
|
|
.linenos { min-width: 2.5em; text-align: right; }
|
|
pre { margin: 0; }
|
|
.syntax-highlighted { padding: 0 10px; }
|
|
.syntax-highlightedtable { border-spacing: 1px; }
|
|
.nonhighlight { border-top: 1px solid #DFDFDF;
|
|
border-bottom: 1px solid #DFDFDF; }
|
|
.stacktrace .nonhighlight { margin: 5px 15px 10px; }
|
|
.sourceline { margin: 0 0; font-family:monospace; }
|
|
.code { background-color: #F8F8F8; width: 100%; }
|
|
.error .code { background-color: #FFBDBD; }
|
|
.error .syntax-highlighted { background-color: #FFBDBD; }
|
|
% endif
|
|
|
|
</style>
|
|
% endif
|
|
% if full:
|
|
</head>
|
|
<body>
|
|
% endif
|
|
|
|
<h2>Error !</h2>
|
|
<%
|
|
tback = RichTraceback(error=error, traceback=traceback)
|
|
src = tback.source
|
|
line = tback.lineno
|
|
if src:
|
|
lines = src.split('\n')
|
|
else:
|
|
lines = None
|
|
%>
|
|
<h3>${tback.errorname}: ${tback.message|h}</h3>
|
|
|
|
% if lines:
|
|
<div class="sample">
|
|
<div class="nonhighlight">
|
|
% for index in range(max(0, line-4),min(len(lines), line+5)):
|
|
<%
|
|
if pygments_html_formatter:
|
|
pygments_html_formatter.linenostart = index + 1
|
|
%>
|
|
% if index + 1 == line:
|
|
<%
|
|
if pygments_html_formatter:
|
|
old_cssclass = pygments_html_formatter.cssclass
|
|
pygments_html_formatter.cssclass = 'error ' + old_cssclass
|
|
%>
|
|
${lines[index] | syntax_highlight(language='mako')}
|
|
<%
|
|
if pygments_html_formatter:
|
|
pygments_html_formatter.cssclass = old_cssclass
|
|
%>
|
|
% else:
|
|
${lines[index] | syntax_highlight(language='mako')}
|
|
% endif
|
|
% endfor
|
|
</div>
|
|
</div>
|
|
% endif
|
|
|
|
<div class="stacktrace">
|
|
% for (filename, lineno, function, line) in tback.reverse_traceback:
|
|
<div class="location">${filename}, line ${lineno}:</div>
|
|
<div class="nonhighlight">
|
|
<%
|
|
if pygments_html_formatter:
|
|
pygments_html_formatter.linenostart = lineno
|
|
%>
|
|
<div class="sourceline">${line | syntax_highlight(filename)}</div>
|
|
</div>
|
|
% endfor
|
|
</div>
|
|
|
|
% if full:
|
|
</body>
|
|
</html>
|
|
% endif
|
|
""",
|
|
output_encoding=sys.getdefaultencoding(),
|
|
encoding_errors="htmlentityreplace",
|
|
)
|