diff --git a/tools/gen_soc_caps_kconfig/gen_soc_caps_kconfig.py b/tools/gen_soc_caps_kconfig/gen_soc_caps_kconfig.py
index 485d5ee93e..8d23a63421 100755
--- a/tools/gen_soc_caps_kconfig/gen_soc_caps_kconfig.py
+++ b/tools/gen_soc_caps_kconfig/gen_soc_caps_kconfig.py
@@ -33,7 +33,7 @@ from pyparsing import Word
 from pyparsing import alphas
 from pyparsing import hexnums
 from pyparsing import nums
-from pyparsing import restOfLine
+from pyparsing import rest_of_line
 
 pyparsing.usePackrat = True
 
@@ -77,7 +77,7 @@ class KconfigWriter:
 
     def add_entry(self, name, entry_type, value):  # type: (str, str, typing.Any) -> None
         if name in self.entries:
-            logging.info('Duplicate entry: {}'.format(name))
+            logging.info(f'Duplicate entry: {name}')
             return
 
         # Format values for kconfig
@@ -104,7 +104,7 @@ class KconfigWriter:
             self.kconfig_text.write(config_option)
 
         try:
-            with open(self.kconfig_path, 'r', encoding='utf-8') as f:
+            with open(self.kconfig_path, encoding='utf-8') as f:
                 old_content = f.readlines()
         except FileNotFoundError:
             old_content = ['']
@@ -122,7 +122,7 @@ class KconfigWriter:
             file_needs_update = True
 
         if file_needs_update:
-            print('\n' + 'Updating file: {}'.format(self.kconfig_path))
+            print('\n' + f'Updating file: {self.kconfig_path}')
             with open(self.kconfig_path, 'w', encoding='utf-8') as f:
                 f.writelines(new_content)
 
@@ -136,12 +136,12 @@ def parse_include(inc_line):  # type: (str) -> typing.Any[typing.Type[ParserElem
 
     # Comment with condition pattern
     condition_deli = OneOrMore(Group(Literal(' ') | Literal(':')))
-    condition = CaselessLiteral('condition') + Optional(condition_deli) + restOfLine('condition')
+    condition = CaselessLiteral('condition') + Optional(condition_deli) + rest_of_line('condition')
 
     # Parse the include line
     # e.g. #include "../../beta3/include/soc/soc_caps.h"  // recursive, condition: IDF_TARGET_ESP32C5_VERSION_BETA3
     expr = Suppress('#include') + QuotedString('"')('inc_path') + recursive + Optional(condition)
-    res = expr.parseString(inc_line)
+    res = expr.parse_string(inc_line)
     return res
 
 
@@ -169,7 +169,7 @@ def parse_define(define_line):  # type: (str) -> typing.Any[typing.Type[ParserEl
     expr = (
         '#define' + Optional(name)('name') + Optional(value) + Optional(ignore_pragma).set_results_name('ignore_pragma')
     )
-    res = expr.parseString(define_line)
+    res = expr.parse_string(define_line)
 
     return res
 
@@ -206,7 +206,7 @@ def generate_defines(soc_caps_dir, filename, always_write):  # type: (Path, str,
         try:
             res = parse_define(line)
         except pyparsing.ParseException:
-            logging.debug('Failed to parse: {}'.format(line))
+            logging.debug(f'Failed to parse: {line}')
             continue
 
         if res.ignore_pragma:
@@ -233,8 +233,8 @@ def generate_defines(soc_caps_dir, filename, always_write):  # type: (Path, str,
 
 def get_defines(header_path):  # type: (Path) -> list[str]
     defines = []
-    logging.info('Reading macros from {}...'.format(header_path))
-    with open(header_path, 'r', encoding='utf-8') as f:
+    logging.info(f'Reading macros from {header_path}...')
+    with open(header_path, encoding='utf-8') as f:
         output = f.read()
 
     for line in output.split('\n'):
@@ -309,6 +309,6 @@ if __name__ == '__main__':
         sys.exit(1)
 
     files_updated = [writer.update_file() for writer in writers if writer is not None]
-    print('Updated {} files'.format(sum(files_updated)))
+    print(f'Updated {sum(files_updated)} files')
 
     sys.exit(all(files_updated))
diff --git a/tools/ldgen/ldgen/entity.py b/tools/ldgen/ldgen/entity.py
index f0ff9d2215..6b771f103e 100644
--- a/tools/ldgen/ldgen/entity.py
+++ b/tools/ldgen/ldgen/entity.py
@@ -1,5 +1,5 @@
 #
-# SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
+# SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
 # SPDX-License-Identifier: Apache-2.0
 #
 import collections
@@ -8,19 +8,19 @@ import os
 from enum import Enum
 from functools import total_ordering
 
-from pyparsing import alphas
 from pyparsing import Group
 from pyparsing import Literal
-from pyparsing import nums
 from pyparsing import OneOrMore
 from pyparsing import ParseException
 from pyparsing import Regex
-from pyparsing import rest_of_line
 from pyparsing import SkipTo
 from pyparsing import Suppress
 from pyparsing import White
 from pyparsing import Word
 from pyparsing import ZeroOrMore
+from pyparsing import alphas
+from pyparsing import nums
+from pyparsing import rest_of_line
 
 
 @total_ordering
@@ -57,17 +57,19 @@ class Entity:
         elif archive_spec and obj_spec and symbol_spec:
             self.specificity = Entity.Specificity.SYMBOL
         else:
-            raise ValueError("Invalid arguments '(%s, %s, %s)'" % (archive, obj, symbol))
+            raise ValueError(f"Invalid arguments '({archive}, {obj}, {symbol})'")
 
         self.archive = archive
         self.obj = obj
         self.symbol = symbol
 
     def __eq__(self, other):
-        return (self.specificity.value == other.specificity.value and
-                self.archive == other.archive and
-                self.obj == other.obj and
-                self.symbol == other.symbol)
+        return (
+            self.specificity.value == other.specificity.value
+            and self.archive == other.archive
+            and self.obj == other.obj
+            and self.symbol == other.symbol
+        )
 
     def __lt__(self, other):
         res = False
@@ -89,7 +91,8 @@ class Entity:
         return hash(self.__repr__())
 
     def __str__(self):
-        return '%s:%s %s' % self.__repr__()
+        archive, obj, symbol = self.__repr__()
+        return f'{archive}:{obj} {symbol}'
 
     def __repr__(self):
         return self.archive, self.obj, self.symbol
@@ -123,15 +126,17 @@ class EntityDB:
     def add_sections_info(self, sections_info_dump):
         first_line = sections_info_dump.readline()
 
-        archive_path = (Literal('In archive').suppress() +
-                        White().suppress() +
-                        # trim the colon and line ending characters from archive_path
-                        rest_of_line.set_results_name('archive_path').set_parse_action(
-                            lambda s, loc, toks: s.rstrip(':\n\r ')))
+        archive_path = (
+            Literal('In archive').suppress()
+            + White().suppress()
+            +
+            # trim the colon and line ending characters from archive_path
+            rest_of_line.set_results_name('archive_path').set_parse_action(lambda s, loc, toks: s.rstrip(':\n\r '))
+        )
         parser = archive_path
 
         try:
-            results = parser.parseString(first_line, parseAll=True)
+            results = parser.parse_string(first_line, parse_all=True)
         except ParseException as p:
             raise ParseException('Parsing sections info for library ' + sections_info_dump.name + ' failed. ' + p.msg)
 
@@ -149,17 +154,20 @@ class EntityDB:
 
         # 00 {section} 0000000 ...
         #              CONTENTS, ALLOC, ....
-        section_entry = (Suppress(Word(nums)) + Regex(r'\.\S+') + Suppress(rest_of_line)
-                         + Suppress(ZeroOrMore(Word(alphas + '_') + Literal(',')) + Word(alphas + '_')))
+        section_entry = (
+            Suppress(Word(nums))
+            + Regex(r'\.\S+')
+            + Suppress(rest_of_line)
+            + Suppress(ZeroOrMore(Word(alphas + '_') + Literal(',')) + Word(alphas + '_'))
+        )
 
-        content = Group(object_line
-                        + section_start
-                        + section_header
-                        + Group(OneOrMore(section_entry)).set_results_name('sections'))
+        content = Group(
+            object_line + section_start + section_header + Group(OneOrMore(section_entry)).set_results_name('sections')
+        )
         parser = Group(ZeroOrMore(content)).set_results_name('contents')
 
         try:
-            results = parser.parseString(info.content, parseAll=True)
+            results = parser.parse_string(info.content, parse_all=True)
         except ParseException as p:
             raise ParseException('Unable to parse section info file ' + info.filename + '. ' + p.msg)
 
@@ -191,13 +199,15 @@ class EntityDB:
 
     def _match_obj(self, archive, obj):
         objs = self.get_objects(archive)
-        match_objs = (fnmatch.filter(objs, obj + '.*.o')
-                      + fnmatch.filter(objs, obj + '.o')
-                      + fnmatch.filter(objs, obj + '.*.obj')
-                      + fnmatch.filter(objs, obj + '.obj'))
+        match_objs = (
+            fnmatch.filter(objs, obj + '.*.o')
+            + fnmatch.filter(objs, obj + '.o')
+            + fnmatch.filter(objs, obj + '.*.obj')
+            + fnmatch.filter(objs, obj + '.obj')
+        )
 
         if len(match_objs) > 1:
-            raise ValueError("Multiple matches for object: '%s: %s': %s" % (archive, obj, str(match_objs)))
+            raise ValueError(f"Multiple matches for object: '{archive}: {obj}': {match_objs}")
 
         try:
             return match_objs[0]
diff --git a/tools/ldgen/ldgen/fragments.py b/tools/ldgen/ldgen/fragments.py
index 80cc167e20..d4f15f43c6 100644
--- a/tools/ldgen/ldgen/fragments.py
+++ b/tools/ldgen/ldgen/fragments.py
@@ -1,34 +1,28 @@
 #
-# SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
+# SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
 # SPDX-License-Identifier: Apache-2.0
 #
 from typing import Any
-from typing import Dict
-from typing import List
-from typing import Optional
-from typing import Set
-from typing import Tuple
-from typing import Union
 
-from pyparsing import alphanums
-from pyparsing import alphas
 from pyparsing import Combine
-from pyparsing import delimited_list
+from pyparsing import DelimitedList
 from pyparsing import Forward
 from pyparsing import Group
 from pyparsing import IndentedBlock
 from pyparsing import Keyword
 from pyparsing import LineEnd
 from pyparsing import Literal
-from pyparsing import nums
 from pyparsing import OneOrMore
 from pyparsing import Opt
 from pyparsing import ParseFatalException
-from pyparsing import rest_of_line
 from pyparsing import SkipTo
 from pyparsing import Suppress
 from pyparsing import Word
 from pyparsing import ZeroOrMore
+from pyparsing import alphanums
+from pyparsing import alphas
+from pyparsing import nums
+from pyparsing import rest_of_line
 
 
 class Empty:
@@ -47,10 +41,11 @@ class Fragment:
     """
     Base class for a fragment that can be parsed from a fragment file.
     """
+
     IDENTIFIER = Word(alphas + '_', alphanums + '_')
     ENTITY = Word(alphanums + '.-_$+')
 
-    def __init__(self, name: str, entries: Set[Union[str, Tuple[str]]]):
+    def __init__(self, name: str, entries: set[str | tuple[str]]):
         self.name = name
         self.entries = entries
         self.path = ''
@@ -69,6 +64,7 @@ class Sections(Fragment):
         .section2
         ...
     """
+
     # Unless quoted, symbol names start with a letter, underscore, or point
     # and may include any letters, underscores, digits, points, and hyphens.
     ENTRY = Combine(Word(alphas + '_.', alphanums + '._-') + Opt('+')) + LineEnd().suppress()
@@ -86,7 +82,7 @@ class Sections(Fragment):
         entries = {entry for entry in this[1] if entry}
 
         if not entries:
-            raise ParseFatalException(s, loc, 'Sections entries shouldn\'t be empty')
+            raise ParseFatalException(s, loc, "Sections entries shouldn't be empty")
 
         return Sections(name, entries)
 
@@ -121,6 +117,7 @@ class Scheme(Fragment):
         sections1 -> target1
         ...
     """
+
     ENTRY = Fragment.IDENTIFIER + Suppress('->') + Fragment.IDENTIFIER + LineEnd().suppress()
 
     @staticmethod
@@ -136,7 +133,7 @@ class Scheme(Fragment):
         entries = {entry for entry in this[1] if entry}
 
         if not entries:
-            raise ParseFatalException(s, loc, 'Scheme entries shouldn\'t be empty')
+            raise ParseFatalException(s, loc, "Scheme entries shouldn't be empty")
 
         return Scheme(name, entries)
 
@@ -153,10 +150,8 @@ class Surround(EntryFlag):
     '__symbol_start', '__symbol_end' is generated before and after
     the corresponding input section description, respectively.
     """
-    SURROUND = (Keyword('SURROUND').suppress()
-                + Suppress('(')
-                + Fragment.IDENTIFIER
-                + Suppress(')'))
+
+    SURROUND = Keyword('SURROUND').suppress() + Suppress('(') + Fragment.IDENTIFIER + Suppress(')')
 
     def __init__(self, symbol: str):
         self.symbol = symbol
@@ -183,15 +178,11 @@ class Align(EntryFlag):
     input section description, depending on whether pre, post or
     both are specified.
     """
+
     PRE = Opt(Suppress(',') + Suppress('pre')).set_results_name('pre')
     POST = Opt(Suppress(',') + Suppress('post')).set_results_name('post')
 
-    ALIGN = (Keyword('ALIGN').suppress()
-             + Suppress('(')
-             + Word(nums)
-             + PRE
-             + POST
-             + Suppress(')'))
+    ALIGN = Keyword('ALIGN').suppress() + Suppress('(') + Word(nums) + PRE + POST + Suppress(')')
 
     def __init__(self, alignment, pre=True, post=False):
         self.alignment = alignment
@@ -223,6 +214,7 @@ class Keep(EntryFlag):
 
     Surrounds input section description with KEEP command.
     """
+
     KEEP = Keyword('KEEP()')
 
     def __eq__(self, other):
@@ -245,14 +237,16 @@ class Sort(EntryFlag):
     Emits SORT_BY_NAME, SORT_BY_ALIGNMENT or SORT_BY_INIT_PRIORITY
     depending on arguments. Nested sort follows linker script rules.
     """
-    _keywords = Keyword('name') | Keyword('alignment') | Keyword('init_priority')
-    SORT = (Keyword('SORT').suppress()
-            + Suppress('(')
-            + Opt(_keywords.set_results_name('first')
-            + Opt(Suppress(',') + _keywords.set_results_name('second')))
-            + Suppress(')'))
 
-    def __init__(self, first: Optional[str] = None, second: Optional[str] = None):
+    _keywords = Keyword('name') | Keyword('alignment') | Keyword('init_priority')
+    SORT = (
+        Keyword('SORT').suppress()
+        + Suppress('(')
+        + Opt(_keywords.set_results_name('first') + Opt(Suppress(',') + _keywords.set_results_name('second')))
+        + Suppress(')')
+    )
+
+    def __init__(self, first: str | None = None, second: str | None = None):
         self.first = first
         self.second = second
 
@@ -270,14 +264,16 @@ class Sort(EntryFlag):
 
 class Flag:
     _section_target = Fragment.IDENTIFIER + Suppress('->') + Fragment.IDENTIFIER
-    _flag = (Surround.SURROUND.set_parse_action(Surround.parse)
-             | Align.ALIGN.set_parse_action(Align.parse)
-             | Keep.KEEP.set_parse_action(Keep.parse)
-             | Sort.SORT.set_parse_action(Sort.parse))
+    _flag = (
+        Surround.SURROUND.set_parse_action(Surround.parse)
+        | Align.ALIGN.set_parse_action(Align.parse)
+        | Keep.KEEP.set_parse_action(Keep.parse)
+        | Sort.SORT.set_parse_action(Sort.parse)
+    )
 
     FLAG = _section_target + OneOrMore(_flag)
 
-    def __init__(self, section: str, target: str, flags: List[EntryFlag]):
+    def __init__(self, section: str, target: str, flags: list[EntryFlag]):
         self.section = section
         self.target = target
         self.flags = flags
@@ -330,10 +326,12 @@ class Mapping(Fragment):
     #       obj:symbol (scheme)
     #       obj (scheme)
     #       * (scheme)
-    _entry = (((_obj + Opt(Suppress(':') + _sym)) | _any.set_results_name('object'))
-              + Suppress('(')
-              + Fragment.IDENTIFIER.set_results_name('section')
-              + Suppress(')'))
+    _entry = (
+        ((_obj + Opt(Suppress(':') + _sym)) | _any.set_results_name('object'))
+        + Suppress('(')
+        + Fragment.IDENTIFIER.set_results_name('section')
+        + Suppress(')')
+    )
 
     ENTRY = _entry + LineEnd().suppress()
     ARCHIVE = (Word(alphanums + '.-_$+') | Literal('*')) + LineEnd().suppress()
@@ -342,10 +340,9 @@ class Mapping(Fragment):
     #       obj (scheme);
     #           section->target SURROUND(symbol),
     #           section2->target2 ALIGN(4)
-    ENTRY_WITH_FLAG = (_entry + Suppress(';')
-                       + delimited_list(Flag.FLAG.set_parse_action(Flag.parse)))
+    ENTRY_WITH_FLAG = _entry + Suppress(';') + DelimitedList(Flag.FLAG.set_parse_action(Flag.parse))
 
-    def __init__(self, archive: str, flags: Dict[Any, Flag], *args, **kwargs):
+    def __init__(self, archive: str, flags: dict[Any, Flag], *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.archive = archive
         self.flags = flags
@@ -365,9 +362,7 @@ class Mapping(Fragment):
     @staticmethod
     def parse_entry_with_flag(toks):
         entry = toks.object, toks.symbol or None, toks.section
-        return {
-            entry: [tok for tok in toks if isinstance(tok, Flag)]
-        }
+        return {entry: [tok for tok in toks if isinstance(tok, Flag)]}
 
     @staticmethod
     def parse_entries(toks):
@@ -406,9 +401,9 @@ class FragmentFile:
     see description of Fragment.
     """
 
-    def __init__(self, fragments: List[Fragment]):
+    def __init__(self, fragments: list[Fragment]):
         self.path = None  # assign later, couldn't pass extra argument while parsing
-        self.fragments: List[Fragment] = fragments
+        self.fragments: list[Fragment] = fragments
 
     def __repr__(self):
         return str(self.__dict__)
@@ -441,32 +436,26 @@ def parse_fragment_file(path, sdkconfig):
     def get_suite(_stmt):
         __stmt = Forward()
         __conditional = get_conditional_stmt(__stmt)
-        __stmt <<= (comment
-                    | _stmt
-                    | __conditional)
+        __stmt <<= comment | _stmt | __conditional
         return IndentedBlock(__stmt)
 
     def parse(toks):
         return FragmentFile([tok for tok in toks if not isinstance(tok, Empty)])
 
     # comment
-    comment = (Literal('#') + rest_of_line).set_parse_action(lambda s, l, t: Empty())
+    comment = (Literal('#') + rest_of_line).set_parse_action(lambda s, loc, toks: Empty())
 
     # section
     section_entry = Sections.ENTRY.set_parse_action(Sections.parse_entry)
     section_entries_suite = get_suite(section_entry)
     section_header = Suppress('[sections:') + Fragment.IDENTIFIER + Suppress(']') + LineEnd().suppress()
-    section = Group(section_header
-                    + Suppress('entries:')
-                    + section_entries_suite).set_parse_action(Sections.parse)
+    section = Group(section_header + Suppress('entries:') + section_entries_suite).set_parse_action(Sections.parse)
 
     # scheme
     scheme_entry = Scheme.ENTRY.set_parse_action(Scheme.parse_entry)
     scheme_entries_suite = get_suite(scheme_entry)
     scheme_header = Suppress('[scheme:') + Fragment.IDENTIFIER + Suppress(']') + LineEnd().suppress()
-    scheme = Group(scheme_header
-                   + Suppress('entries:')
-                   + scheme_entries_suite).set_parse_action(Scheme.parse)
+    scheme = Group(scheme_header + Suppress('entries:') + scheme_entries_suite).set_parse_action(Scheme.parse)
     # mapping
     mapping_archive = Mapping.ARCHIVE
     mapping_archive_suite = get_suite(mapping_archive)
@@ -476,18 +465,14 @@ def parse_fragment_file(path, sdkconfig):
     mapping_entries_suite = get_suite(mapping_entry | mapping_entry_with_flag)
 
     mapping_header = Suppress('[mapping:') + Fragment.IDENTIFIER + Suppress(']')
-    mapping = Group(mapping_header
-                    + Group(Suppress('archive:')
-                            + mapping_archive_suite).set_parse_action(Mapping.parse_archive)
-                    + Group(Suppress('entries:')
-                            + mapping_entries_suite).set_parse_action(Mapping.parse_entries)
-                    ).set_parse_action(Mapping.parse)
+    mapping = Group(
+        mapping_header
+        + Group(Suppress('archive:') + mapping_archive_suite).set_parse_action(Mapping.parse_archive)
+        + Group(Suppress('entries:') + mapping_entries_suite).set_parse_action(Mapping.parse_entries)
+    ).set_parse_action(Mapping.parse)
 
     # highest level
-    fragment = (section
-                | scheme
-                | mapping
-                | get_conditional_stmt(section | scheme | mapping))
+    fragment = section | scheme | mapping | get_conditional_stmt(section | scheme | mapping)
     parser = ZeroOrMore(fragment).ignore(comment).set_parse_action(parse)
     fragment_file = parser.parse_file(path, parse_all=True)[0]
     fragment_file.path = path
diff --git a/tools/test_apps/build_system/ldgen_test/check_placements.py b/tools/test_apps/build_system/ldgen_test/check_placements.py
index 5f515df9a7..2132ffb5fa 100644
--- a/tools/test_apps/build_system/ldgen_test/check_placements.py
+++ b/tools/test_apps/build_system/ldgen_test/check_placements.py
@@ -31,26 +31,24 @@ contents = subprocess.check_output([args.objdump, '-t', args.elf]).decode()
 def check_location(symbol, expected):
     pattern = (
         LineStart()
-        + Word(hexnums).setResultsName('address')
+        + Word(hexnums).set_results_name('address')
         + Optional(Word(alphanums, exact=1))
         + Optional(Word(alphanums, exact=1))
-        + Word(alphanums + '._*').setResultsName('actual')
+        + Word(alphanums + '._*').set_results_name('actual')
         + Word(hexnums)
         + Literal(symbol)
         + LineEnd()
     )
 
     try:
-        results = pattern.searchString(contents)[0]
+        results = pattern.search_string(contents)[0]
     except IndexError:
-        raise Exception("check placement fail: '%s' was not found" % (symbol))
+        raise Exception(f"check placement fail: '{symbol}' was not found")
 
     if results.actual != expected:
-        raise Exception(
-            "check placement fail: '%s' was placed in '%s', not in '%s'" % (symbol, results.actual, expected)
-        )
+        raise Exception(f"check placement fail: '{symbol}' was placed in '{results.actual}', not in '{expected}'")
 
-    print("check placement pass: '%s' was successfully placed in '%s'" % (symbol, results.actual))
+    print(f"check placement pass: '{symbol}' was successfully placed in '{results.actual}'")
     return int(results.address, 16)