Fix format string usage.

This makes ruff happy, but it's unclear how we got into this situation to start with.

external/markdown-processor.py

@@ -56,7 +56,7 @@ def repl(m):
                 lexer = TextLexer()
             code = highlight(m.group(2), lexer, self.formatter)
             code = code.replace('\n\n', '\n&nbsp;\n').replace('\n', '<br />')
-            return '\n\n<div class="code">%s</div>\n\n' % code
+            return f'\n\n<div class="code">{code}</div>\n\n'
         joined_lines = "\n".join(lines)
         joined_lines = self.pattern.sub(repl, joined_lines)
         return joined_lines.split("\n")

external/moin-parser.py

@@ -105,7 +105,7 @@ def __init__(self, raw, request, **kw):
 
     def format(self, formatter):
         codeid[0] += 1
-        id = "pygments_%s" % codeid[0]
+        id = f"pygments_{codeid[0]}"
         w = self.req.write
         w(formatter.code_area(1, id, start=1, step=1))
         w(formatter.rawHTML(highlight(self.raw, self.lexer, htmlformatter)))

pygments/cmdline.py

@@ -68,19 +68,19 @@ def _print_help(what, name):
     try:
         if what == 'lexer':
             cls = get_lexer_by_name(name)
-            print("Help on the %s lexer:" % cls.name)
+            print(f"Help on the {cls.name} lexer:")
             print(dedent(cls.__doc__))
         elif what == 'formatter':
             cls = find_formatter_class(name)
-            print("Help on the %s formatter:" % cls.name)
+            print(f"Help on the {cls.name} formatter:")
             print(dedent(cls.__doc__))
         elif what == 'filter':
             cls = find_filter_class(name)
-            print("Help on the %s filter:" % name)
+            print(f"Help on the {name} filter:")
             print(dedent(cls.__doc__))
         return 0
     except (AttributeError, ValueError):
-        print("%s not found!" % what, file=sys.stderr)
+        print(f"{what} not found!", file=sys.stderr)
         return 1
 
 
@@ -122,7 +122,7 @@ def _print_list(what):
         for name in get_all_filters():
             cls = find_filter_class(name)
             print("* " + name + ':')
-            print("    %s" % docstring_headline(cls))
+            print(f"    {docstring_headline(cls)}")
 
     elif what == 'style':
         print()
@@ -132,7 +132,7 @@ def _print_list(what):
         for name in get_all_styles():
             cls = get_style_by_name(name)
             print("* " + name + ':')
-            print("    %s" % docstring_headline(cls))
+            print(f"    {docstring_headline(cls)}")
 
 
 def _print_list_as_json(requested_items):
@@ -185,8 +185,8 @@ def main_inner(parser, argns):
         return 0
 
     if argns.V:
-        print('Pygments version %s, (c) 2006-2024 by Georg Brandl, Matthäus '
-              'Chajdas and contributors.' % __version__)
+        print(f'Pygments version {__version__}, (c) 2006-2024 by Georg Brandl, Matthäus '
+              'Chajdas and contributors.')
         return 0
 
     def is_only_option(opt):
@@ -659,7 +659,7 @@ def main(args=sys.argv):
         msg = info[-1].strip()
         if len(info) >= 3:
             # extract relevant file and position info
-            msg += '\n   (f%s)' % info[-2].split('\n')[0].strip()[1:]
+            msg += '\n   (f{})'.format(info[-2].split('\n')[0].strip()[1:])
         print(file=sys.stderr)
         print('*** Error while highlighting:', file=sys.stderr)
         print(msg, file=sys.stderr)

pygments/filter.py

@@ -62,8 +62,7 @@ class FunctionFilter(Filter):
 
     def __init__(self, **options):
         if not hasattr(self, 'function'):
-            raise TypeError('%r used without bound function' %
-                            self.__class__.__name__)
+            raise TypeError(f'{self.__class__.__name__!r} used without bound function')
         Filter.__init__(self, **options)
 
     def filter(self, lexer, stream):

pygments/filters/__init__.py

@@ -39,7 +39,7 @@ def get_filter_by_name(filtername, **options):
     if cls:
         return cls(**options)
     else:
-        raise ClassNotFound('filter %r not found' % filtername)
+        raise ClassNotFound(f'filter {filtername!r} not found')
 
 
 def get_all_filters():
@@ -79,9 +79,9 @@ def __init__(self, **options):
         Filter.__init__(self, **options)
         tags = get_list_opt(options, 'codetags',
                             ['XXX', 'TODO', 'FIXME', 'BUG', 'NOTE'])
-        self.tag_re = re.compile(r'\b(%s)\b' % '|'.join([
+        self.tag_re = re.compile(r'\b({})\b'.format('|'.join([
             re.escape(tag) for tag in tags if tag
-        ]))
+        ])))
 
     def filter(self, lexer, stream):
         regex = self.tag_re

pygments/formatters/__init__.py

@@ -77,7 +77,7 @@ def get_formatter_by_name(_alias, **options):
     """
     cls = find_formatter_class(_alias)
     if cls is None:
-        raise ClassNotFound("no formatter found for name %r" % _alias)
+        raise ClassNotFound(f"no formatter found for name {_alias!r}")
     return cls(**options)
 
 
@@ -112,7 +112,7 @@ def load_formatter_from_file(filename, formattername="CustomFormatter", **option
     except ClassNotFound:
         raise
     except Exception as err:
-        raise ClassNotFound('error when loading custom formatter: %s' % err)
+        raise ClassNotFound(f'error when loading custom formatter: {err}')
 
 
 def get_formatter_for_filename(fn, **options):
@@ -134,7 +134,7 @@ def get_formatter_for_filename(fn, **options):
         for filename in cls.filenames:
             if _fn_matches(fn, filename):
                 return cls(**options)
-    raise ClassNotFound("no formatter found for file name %r" % fn)
+    raise ClassNotFound(f"no formatter found for file name {fn!r}")
 
 
 class _automodule(types.ModuleType):

pygments/formatters/bbcode.py

@@ -60,7 +60,7 @@ def _make_styles(self):
         for ttype, ndef in self.style:
             start = end = ''
             if ndef['color']:
-                start += '[color=#%s]' % ndef['color']
+                start += '[color=#{}]'.format(ndef['color'])
                 end = '[/color]' + end
             if ndef['bold']:
                 start += '[b]'

pygments/formatters/groff.py

@@ -63,7 +63,7 @@ def _make_styles(self):
         for ttype, ndef in self.style:
             start = end = ''
             if ndef['color']:
-                start += '\\m[%s]' % ndef['color']
+                start += '\\m[{}]'.format(ndef['color'])
                 end = '\\m[]' + end
             if ndef['bold']:
                 start += bold
@@ -72,7 +72,7 @@ def _make_styles(self):
                 start += italic
                 end = regular + end
             if ndef['bgcolor']:
-                start += '\\M[%s]' % ndef['bgcolor']
+                start += '\\M[{}]'.format(ndef['bgcolor'])
                 end = '\\M[]' + end
 
             self.styles[ttype] = start, end

pygments/formatters/html.py

@@ -488,17 +488,17 @@ def _create_stylesheet(self):
             name = self._get_css_class(ttype)
             style = ''
             if ndef['color']:
-                style += 'color: %s; ' % webify(ndef['color'])
+                style += 'color: {}; '.format(webify(ndef['color']))
             if ndef['bold']:
                 style += 'font-weight: bold; '
             if ndef['italic']:
                 style += 'font-style: italic; '
             if ndef['underline']:
                 style += 'text-decoration: underline; '
             if ndef['bgcolor']:
-                style += 'background-color: %s; ' % webify(ndef['bgcolor'])
+                style += 'background-color: {}; '.format(webify(ndef['bgcolor']))
             if ndef['border']:
-                style += 'border: 1px solid %s; ' % webify(ndef['border'])
+                style += 'border: 1px solid {}; '.format(webify(ndef['border']))
             if style:
                 t2c[ttype] = name
                 # save len(ttype) to enable ordering the styles by
@@ -561,11 +561,11 @@ def get_background_style_defs(self, arg=None):
 
     def get_linenos_style_defs(self):
         lines = [
-            'pre { %s }' % self._pre_style,
-            'td.linenos .normal { %s }' % self._linenos_style,
-            'span.linenos { %s }' % self._linenos_style,
-            'td.linenos .special { %s }' % self._linenos_special_style,
-            'span.linenos.special { %s }' % self._linenos_special_style,
+            f'pre {{ {self._pre_style} }}',
+            f'td.linenos .normal {{ {self._linenos_style} }}',
+            f'span.linenos {{ {self._linenos_style} }}',
+            f'td.linenos .special {{ {self._linenos_special_style} }}',
+            f'span.linenos.special {{ {self._linenos_special_style} }}',
         ]
 
         return lines
@@ -683,9 +683,9 @@ def _wrap_tablelinenos(self, inner):
 
             if nocls:
                 if special_line:
-                    style = ' style="%s"' % self._linenos_special_style
+                    style = f' style="{self._linenos_special_style}"'
                 else:
-                    style = ' style="%s"' % self._linenos_style
+                    style = f' style="{self._linenos_style}"'
             else:
                 if special_line:
                     style = ' class="special"'
@@ -742,9 +742,9 @@ def _wrap_inlinelinenos(self, inner):
 
             if nocls:
                 if special_line:
-                    style = ' style="%s"' % self._linenos_special_style
+                    style = f' style="{self._linenos_special_style}"'
                 else:
-                    style = ' style="%s"' % self._linenos_style
+                    style = f' style="{self._linenos_style}"'
             else:
                 if special_line:
                     style = ' class="linenos special"'
@@ -794,8 +794,8 @@ def _wrap_div(self, inner):
             style.append(self.cssstyles)
         style = '; '.join(style)
 
-        yield 0, ('<div' + (self.cssclass and ' class="%s"' % self.cssclass) +
-                  (style and (' style="%s"' % style)) + '>')
+        yield 0, ('<div' + (self.cssclass and f' class="{self.cssclass}"') +
+                  (style and (f' style="{style}"')) + '>')
         yield from inner
         yield 0, '</div>\n'
 
@@ -812,7 +812,7 @@ def _wrap_pre(self, inner):
 
         # the empty span here is to keep leading empty lines from being
         # ignored by HTML parsers
-        yield 0, ('<pre' + (style and ' style="%s"' % style) + '><span></span>')
+        yield 0, ('<pre' + (style and f' style="{style}"') + '><span></span>')
         yield from inner
         yield 0, '</pre>'
 
@@ -841,7 +841,7 @@ def _format_lines(self, tokensource):
             try:
                 cspan = self.span_element_openers[ttype]
             except KeyError:
-                title = ' title="%s"' % '.'.join(ttype) if self.debug_token_types else ''
+                title = ' title="{}"'.format('.'.join(ttype)) if self.debug_token_types else ''
                 if nocls:
                     css_style = self._get_css_inline_styles(ttype)
                     if css_style:
@@ -928,7 +928,7 @@ def _highlight_lines(self, tokensource):
                         style = (f' style="background-color: {self.style.highlight_color}"')
                     yield 1, f'<span{style}>{value}</span>'
                 else:
-                    yield 1, '<span class="hll">%s</span>' % value
+                    yield 1, f'<span class="hll">{value}</span>'
             else:
                 yield 1, value
 

pygments/formatters/img.py

@@ -110,8 +110,7 @@ def _create_nix(self):
                 self.fonts['NORMAL'] = ImageFont.truetype(path, self.font_size)
                 break
         else:
-            raise FontNotFound('No usable fonts named: "%s"' %
-                               self.font_name)
+            raise FontNotFound(f'No usable fonts named: "{self.font_name}"')
         for style in ('ITALIC', 'BOLD', 'BOLDITALIC'):
             for stylename in STYLES[style]:
                 path = self._get_nix_font_path(self.font_name, stylename)
@@ -142,8 +141,7 @@ def _create_mac(self):
                 self.fonts['NORMAL'] = ImageFont.truetype(path, self.font_size)
                 break
         else:
-            raise FontNotFound('No usable fonts named: "%s"' %
-                               self.font_name)
+            raise FontNotFound(f'No usable fonts named: "{self.font_name}"')
         for style in ('ITALIC', 'BOLD', 'BOLDITALIC'):
             for stylename in STYLES[style]:
                 path = self._get_mac_font_path(font_map, self.font_name, stylename)

pygments/formatters/latex.py

@@ -23,21 +23,21 @@ def escape_tex(text, commandprefix):
     return text.replace('\\', '\x00'). \
                 replace('{', '\x01'). \
                 replace('}', '\x02'). \
-                replace('\x00', r'\%sZbs{}' % commandprefix). \
-                replace('\x01', r'\%sZob{}' % commandprefix). \
-                replace('\x02', r'\%sZcb{}' % commandprefix). \
-                replace('^', r'\%sZca{}' % commandprefix). \
-                replace('_', r'\%sZus{}' % commandprefix). \
-                replace('&', r'\%sZam{}' % commandprefix). \
-                replace('<', r'\%sZlt{}' % commandprefix). \
-                replace('>', r'\%sZgt{}' % commandprefix). \
-                replace('#', r'\%sZsh{}' % commandprefix). \
-                replace('%', r'\%sZpc{}' % commandprefix). \
-                replace('$', r'\%sZdl{}' % commandprefix). \
-                replace('-', r'\%sZhy{}' % commandprefix). \
-                replace("'", r'\%sZsq{}' % commandprefix). \
-                replace('"', r'\%sZdq{}' % commandprefix). \
-                replace('~', r'\%sZti{}' % commandprefix)
+                replace('\x00', rf'\{commandprefix}Zbs{{}}'). \
+                replace('\x01', rf'\{commandprefix}Zob{{}}'). \
+                replace('\x02', rf'\{commandprefix}Zcb{{}}'). \
+                replace('^', rf'\{commandprefix}Zca{{}}'). \
+                replace('_', rf'\{commandprefix}Zus{{}}'). \
+                replace('&', rf'\{commandprefix}Zam{{}}'). \
+                replace('<', rf'\{commandprefix}Zlt{{}}'). \
+                replace('>', rf'\{commandprefix}Zgt{{}}'). \
+                replace('#', rf'\{commandprefix}Zsh{{}}'). \
+                replace('%', rf'\{commandprefix}Zpc{{}}'). \
+                replace('$', rf'\{commandprefix}Zdl{{}}'). \
+                replace('-', rf'\{commandprefix}Zhy{{}}'). \
+                replace("'", rf'\{commandprefix}Zsq{{}}'). \
+                replace('"', rf'\{commandprefix}Zdq{{}}'). \
+                replace('~', rf'\{commandprefix}Zti{{}}')
 
 
 DOC_TEMPLATE = r'''
@@ -304,16 +304,14 @@ def rgbcolor(col):
             if ndef['mono']:
                 cmndef += r'\let\$$@ff=\textsf'
             if ndef['color']:
-                cmndef += (r'\def\$$@tc##1{\textcolor[rgb]{%s}{##1}}' %
-                           rgbcolor(ndef['color']))
+                cmndef += (r'\def\$$@tc##1{{\textcolor[rgb]{{{}}}{{##1}}}}'.format(rgbcolor(ndef['color'])))
             if ndef['border']:
                 cmndef += (r'\def\$$@bc##1{{{{\setlength{{\fboxsep}}{{\string -\fboxrule}}'
                            r'\fcolorbox[rgb]{{{}}}{{{}}}{{\strut ##1}}}}}}'.format(rgbcolor(ndef['border']),
                             rgbcolor(ndef['bgcolor'])))
             elif ndef['bgcolor']:
-                cmndef += (r'\def\$$@bc##1{{\setlength{\fboxsep}{0pt}'
-                           r'\colorbox[rgb]{%s}{\strut ##1}}}' %
-                           rgbcolor(ndef['bgcolor']))
+                cmndef += (r'\def\$$@bc##1{{{{\setlength{{\fboxsep}}{{0pt}}'
+                           r'\colorbox[rgb]{{{}}}{{\strut ##1}}}}}}'.format(rgbcolor(ndef['bgcolor'])))
             if cmndef == '':
                 continue
             cmndef = cmndef.replace('$$', cp)

pygments/formatters/other.py

@@ -74,8 +74,7 @@ def __init__(self, **options):
             try:
                 colorize(self.error_color, '')
             except KeyError:
-                raise ValueError("Invalid color %r specified" %
-                                 self.error_color)
+                raise ValueError(f"Invalid color {self.error_color!r} specified")
 
     def format(self, tokensource, outfile):
         try:

pygments/formatters/pangomarkup.py

@@ -45,7 +45,7 @@ def __init__(self, **options):
             start = ''
             end = ''
             if style['color']:
-                start += '<span fgcolor="#%s">' % style['color']
+                start += '<span fgcolor="#{}">'.format(style['color'])
                 end = '</span>' + end
             if style['bold']:
                 start += '<b>'

pygments/formatters/rtf.py

@@ -237,18 +237,16 @@ def _create_color_mapping(self):
     @property
     def _lineno_template(self):
         if self.lineno_fontsize != self.fontsize:
-            return '{\\fs%s \\cf%s %%s%s}' \
-                       % (self.lineno_fontsize,
+            return '{{\\fs{} \\cf{} %s{}}}'.format(self.lineno_fontsize,
                           self.color_mapping[self.lineno_color],
                           " " * self.lineno_padding)
 
-        return '{\\cf%s %%s%s}' \
-                   % (self.color_mapping[self.lineno_color],
+        return '{{\\cf{} %s{}}}'.format(self.color_mapping[self.lineno_color],
                       " " * self.lineno_padding)
 
     @property
     def _hl_open_str(self):
-        return r'{\highlight%s ' % self.color_mapping[self.hl_color]
+        return rf'{{\highlight{self.color_mapping[self.hl_color]} '
 
     @property
     def _rtf_header(self):
@@ -331,7 +329,7 @@ def format_unencoded(self, tokensource, outfile):
                            self.color_mapping[style['border']])
             start = ''.join(buf)
             if start:
-                outfile.write('{%s ' % start)
+                outfile.write(f'{{{start} ')
             outfile.write(self._escape_text(value))
             if start:
                 outfile.write('}')