diff --git a/.gitignore b/.gitignore
index 58555148..25b5791e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,4 +14,4 @@ docs/_build/
 .vscode
 /temp/
 docs/dev/reference/
-.flakeheaven_cache/
+.ruff_cache/
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 98258e52..11b32b25 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v3.0.1
+    rev: v3.0.3
     hooks:
       - id: prettier
         types_or:
@@ -25,12 +25,6 @@ repos:
         name: check-hooks-apply
       - id: check-useless-excludes
         name: check-useless-excludes
-  - repo: https://github.com/asottile/pyupgrade
-    rev: v3.10.1
-    hooks:
-      - id: pyupgrade
-        args:
-          - --py37-plus
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.4.0
     hooks:
@@ -39,74 +33,33 @@ repos:
         exclude: tests/test_unit/(test_po2md/translate-examples/code-blocks.*|test_event\.py)
       - id: end-of-file-fixer
         name: end-of-file-fixer
-      - id: double-quote-string-fixer
-        name: double-quote-string-fixer
-      - id: debug-statements
-        name: debug-statements
   - repo: https://github.com/Lucas-C/pre-commit-hooks
     rev: v1.5.1
     hooks:
       - id: remove-crlf
         files: \.bat$
         name: "*.bat end of lines"
-  - repo: https://github.com/asottile/add-trailing-comma
-    rev: v3.0.1
-    hooks:
-      - id: add-trailing-comma
-        name: add-trailing-comma
-  - repo: https://github.com/flakeheaven/flakeheaven
-    rev: 3.3.0
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.0.292
     hooks:
-      - id: flakeheaven
-        additional_dependencies:
-          - flake8-builtins
-          - flake8-comprehensions
-          - flake8-docstrings
-          - flake8-executable
-          - flake8-implicit-str-concat
-          - flake8-print
-          - flake8-printf-formatting
-          - flake8-pytest-style
-          - flake8-bugbear
-          - flake8-encodings
-          - flake8-no-pep420
-          - flake8-absolute-import
-          - flake8-slots
-          - flake8-unused-arguments
-          - dlint
-          - pysetenv
-        entry: pysetenv FLAKEHEAVEN_CACHE_TIMEOUT=0 flakeheaven lint
+      - id: ruff
+        args:
+          - --fix
+          - --exit-non-zero-on-fix
   - repo: https://github.com/pre-commit/mirrors-autopep8
-    rev: v2.0.2
+    rev: v2.0.4
     hooks:
       - id: autopep8
-  - repo: https://github.com/PyCQA/isort
-    rev: 5.12.0
-    hooks:
-      - id: isort
   - repo: https://github.com/adrienverge/yamllint
     rev: v1.32.0
     hooks:
       - id: yamllint
-        args:
-          - -c
-          - .yamllint.yaml
   - repo: https://github.com/editorconfig-checker/editorconfig-checker.python
     rev: 2.7.2
     hooks:
       - id: editorconfig-checker
         name: editorconfig-checker
         alias: ec
-  - repo: https://github.com/myint/autoflake
-    rev: v2.2.0
-    hooks:
-      - id: autoflake
-        args:
-          - --in-place
-          - --remove-all-unused-imports
-          - --remove-unused-variables
-          - --remove-duplicate-keys
-          - --ignore-init-module-imports
   - repo: https://github.com/tcort/markdown-link-check
     rev: v3.11.2
     hooks:
@@ -114,7 +67,7 @@ repos:
         name: markdown-link-check
         files: ^README\.md$
   - repo: https://github.com/DavidAnson/markdownlint-cli2
-    rev: v0.8.1
+    rev: v0.10.0
     hooks:
       - id: markdownlint-cli2
         name: markdownlint-po2md-tests
diff --git a/docs/conf.py b/docs/conf.py
index d33ccffb..378cf313 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -27,7 +27,7 @@
             ' = ',
         )[1].strip().strip('"').strip("'")
     elif line.startswith('authors ='):
-        metadata['author'] = re.search("name = \"([^\"]+)\"", line).group(1)
+        metadata['author'] = re.search('name = \"([^\"]+)\"', line).group(1)
     elif not line:
         break
 
diff --git a/pyproject.toml b/pyproject.toml
index 25b92f76..7cd20c67 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -109,12 +109,9 @@ targets = [{ file = "pyproject.toml" }, { file = "docs/pre-commit-hooks.rst" }]
 [tool.project-config]
 cache = "2 days"
 style = [
-  "gh://mondeja/project-config-styles@v4.4/python/base.json5",
-  "gh://mondeja/project-config-styles@v4.4/python/single-quotes.json5",
-  "gh://mondeja/project-config-styles@v4.4/python/tests.json5",
-  "gh://mondeja/project-config-styles@v4.4/python/sphinx.json5",
-  "gh://mondeja/project-config-styles@v4.4/python/readthedocs.json5",
-  "gh://mondeja/project-config-styles@v4.4/python/google-docstrings.json5"
+  "gh://mondeja/project-config-styles@v5/python/base.json5",
+  "gh://mondeja/project-config-styles@v5/python/sphinx.json5",
+  "gh://mondeja/project-config-styles@v5/python/readthedocs.json5",
 ]
 
 [tool.pytest.ini_options]
@@ -132,81 +129,62 @@ exclude_lines = [
   "if '-h' in args or '--help' in args:"
 ]
 
-[tool.flakeheaven]
-inline-quotes = "single"
-max-line-length = 80
-pytest-fixture-no-parentheses = true
-pytest-parametrize-values-type = "tuple"
-docstring-convention = "google"
-unused-arguments-ignore-abstract-functions = true
-
-[tool.flakeheaven.plugins]
-pycodestyle = ["+*", "-W503"]
-pyflakes = ["+*"]
-pylint = ["+*"]
-flake8-builtins = ["+*"]
-flake8-comprehensions = ["+*"]
-flake8-docstrings = ["+*", "-D107", "-D105"]
-flake8-executable = ["+*"]
-flake8-implicit-str-concat = ["+*"]
-flake8-print = ["+*"]
-flake8-printf-formatting = ["+*"]
-flake8-pytest-style = ["+*"]
-flake8-bugbear = ["+*"]
-flake8-encodings = ["+*"]
-flake8-no-pep420 = ["+*"]
-flake8-absolute-import = ["+*"]
-flake8-unused-arguments = ["+*"]
-flake8-slots = ["+*"]
-dlint = ["+*"]
-
-[tool.flakeheaven.exceptions."docs/**"]
-flake8-print = ["-T201"]
-flake8-docstrings = ["-D100", "-D101", "-D102"]
-flake8-no-pep420 = ["-INP001"]
-
-[tool.flakeheaven.exceptions."tests/**"]
-flake8-docstrings = [
-  "-D100",
-  "-D101",
-  "-D102",
-  "-D103",
-  "-D104",
-  "-D107",
-  "-D205",
-  "-D415"
+[tool.ruff]
+line-length = 80
+target-version = "py37"
+select = [
+  "W",
+  "B",
+  "E",
+  "I",
+  "F",
+  "A",
+  "D",
+  "G",
+  "Q",
+  "PL",
+  "UP",
+  "PT",
+  "C4",
+  "EXE",
+  "ISC",
+  "T20",
+  "INP",
+  "ARG",
+  "SIM",
+  "RET",
+  "FBT",
+  "ERA",
+  "T10",
+  "COM",
+  "SLOT",
 ]
-flake8-no-pep420 = ["-INP001"]
-
-[tool.flakeheaven.exceptions."setup.py"]
-flake8-docstrings = ["-D205"]
-flake8-no-pep420 = ["-INP001"]
-
-[tool.flakeheaven.exceptions."src/**/*.py"]
-flake8-docstrings = ["-D101", "-D102", "-D103", "-D107"]
-
-[tool.flakeheaven.exceptions."src/md.py"]
-flake8-docstrings = ["-D101", "-D102", "-D107"]
-
-[tool.isort]
-lines_after_imports = 2
-multi_line_output = 3
-line_length = 79
-use_parentheses = true
-combine_as_imports = true
-include_trailing_comma = true
-remove_redundant_aliases = true
-known_tests = "tests"
-sections = [
-  "FUTURE",
-  "STDLIB",
-  "THIRDPARTY",
-  "FIRSTPARTY",
-  "TESTS",
-  "LOCALFOLDER"
+ignore = [
+  "PLR0911",
+  "PLR0912",
+  "PLR0915",
+  "PLR0913",
+  "FBT002",
 ]
-py_version = 37
-extra_standard_library = [
+
+[tool.ruff.pydocstyle]
+convention = "google"
+
+[tool.ruff.flake8-quotes]
+inline-quotes = "single"
+multiline-quotes = "single"
+
+[tool.ruff.flake8-pytest-style]
+fixture-parentheses = false
+parametrize-values-type = "tuple"
+parametrize-values-row-type = "tuple"
+
+[tool.ruff.isort]
+lines-after-imports = 2
+combine-as-imports = true
+force-wrap-aliases = true
+known-local-folder = ["tests"]
+extra-standard-library = [
   "contextvars",
   "dataclasses",
   "importlib.resources",
@@ -217,6 +195,27 @@ extra_standard_library = [
   "wsgiref.types"
 ]
 
+[tool.ruff.per-file-ignores]
+"tests/**" = [
+  "I002",
+  "D100",
+  "D101",
+  "D102",
+  "D103",
+  "D104",
+  "D107",
+  "D205",
+  "D415",
+  "INP001",
+  "PLR0913",
+  "PLR2004",
+]
+"setup.py" = ["D205", "INP001", "I002"]
+"src/**/*.py" = ["D101", "D102", "D103", "D107"]
+"src/md.py" = ["D101", "D102", "D107"]
+"docs/conf.py" = ["INP001"]
+"tests/test_unit/test_event.py" = ["E501", "ISC003"]
+
 [build-system]
 requires = ["hatchling"]
 build-backend = "hatchling.build"
diff --git a/src/mdpo/__init__.py b/src/mdpo/__init__.py
index 6f0d3625..8f926827 100644
--- a/src/mdpo/__init__.py
+++ b/src/mdpo/__init__.py
@@ -1,5 +1,6 @@
 """mdpo package."""
 
+
 func_package_map = {
     'markdown_pofile_to_html': 'mdpo2html',
     'markdown_to_pofile': 'md2po',
@@ -7,7 +8,7 @@
     'pofile_to_markdown': 'po2md',
 }
 
-__all__ = list(func_package_map.keys())
+__all__ = list(func_package_map)  # noqa: PLE0605 (not implemented by Ruff)
 
 
 def __getattr__(name):
@@ -21,7 +22,7 @@ def __getattr__(name):
         )
     except KeyError:
         raise ImportError(
-            f'cannot import name \'{name}\' from \'mdpo\' ({__file__})',
+            f"cannot import name '{name}' from 'mdpo' ({__file__})",
             name=name,
             path='mdpo',
         ) from None
diff --git a/src/mdpo/cli.py b/src/mdpo/cli.py
index 25395d0d..8555d5c5 100644
--- a/src/mdpo/cli.py
+++ b/src/mdpo/cli.py
@@ -14,7 +14,7 @@
 CLOSE_QUOTE_CHAR = '”' if SPHINX_IS_RUNNING else '"'
 
 
-def cli_codespan(value, cli=True, sphinx=True):
+def cli_codespan(value, cli=True):
     """Command line codespan wrapper.
 
     This is a compatibility function to make CLI codespans looks good in
@@ -25,12 +25,12 @@ def cli_codespan(value, cli=True, sphinx=True):
     Args:
         value (str): Value to wrap.
         cli (bool): Wrap when used from command line.
-        sphinx (bool): Wrap when used from Sphinx.
     """
     if SPHINX_IS_RUNNING:
-        return f'``{value}``' if sphinx else value
-    else:
-        return f'\'{value}\'' if cli else value
+        return f'``{value}``'
+    if cli:  # pragma: no cover
+        return f"'{value}'"
+    return value
 
 
 def parse_escaped_pairs_cli_argument(
@@ -213,7 +213,7 @@ def add_nolocation_option(parser):
     """
     parser.add_argument(
         '--no-location', '--nolocation', dest='location', action='store_false',
-        help='Do not write \'#: filename:line\' lines. Note that using this'
+        help="Do not write '#: filename:line' lines. Note that using this"
              ' option makes it harder for technically skilled translators to'
              ' understand the context of each message. Same as'
              f' {cli_codespan("gettext --no-location")}.',
@@ -246,8 +246,8 @@ def add_encoding_arguments(
     po_encoding_help = (
         'PO files encoding. If you need different encodings for each'
         ' file, you must define them in the "Content-Type" field of each'
-        ' PO file metadata, in the form \'Content-Type: text/plain;'
-        ' charset=<ENCODING>\'.'
+        " PO file metadata, in the form 'Content-Type: text/plain;"
+        " charset=<ENCODING>'."
     ) if po_encoding_help is None else po_encoding_help
     parser.add_argument(
         '--po-encoding', dest='po_encoding', default=None, metavar='ENCODING',
@@ -296,7 +296,7 @@ def add_wrapwidth_argument(
     else:
         to_render = 'the Markdown output, when possible'
     kwargs['help'] = (
-        f'Maximum width rendering {to_render}. If negative, \'0\' or \'inf\','
+        f"Maximum width rendering {to_render}. If negative, '0' or 'inf',"
         ' the content will not be wrapped.'
     )
     parser.add_argument(*args, **kwargs)
diff --git a/src/mdpo/event.py b/src/mdpo/event.py
index f27d0649..3f7ca7f7 100644
--- a/src/mdpo/event.py
+++ b/src/mdpo/event.py
@@ -53,47 +53,59 @@ def debug(event, msg):
         date = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')
         sys.stdout.write(f'{program}[DEBUG]::{date}::{event}:: {msg}\n')
 
-    def print_msgid(self, msgid, msgstr, msgctxt, tcomment, flags):
-        msg = f'msgid=\'{msgid}\''
+    def print_msgid(
+            self,  # noqa: ARG001
+            msgid,
+            msgstr,
+            msgctxt,
+            tcomment,
+            flags,
+    ):
+        msg = f"msgid='{msgid}'"
         if msgstr:
-            msg += f' - msgstr=\'{msgstr}\''
+            msg += f" - msgstr='{msgstr}'"
         if msgctxt:
-            msg += f' - msgctxt=\'{msgctxt}\''
+            msg += f" - msgctxt='{msgctxt}'"
         if tcomment:
-            msg += f' - tcomment=\'{tcomment}\''
+            msg += f" - tcomment='{tcomment}'"
         if flags:
-            msg += f' - flags=\'{flags}\''
+            msg += f" - flags='{flags}'"
         debug('msgid', msg)
 
-    def print_command(self, mdpo_command, comment, original_command):
+    def print_command(
+            self,  # noqa: ARG001
+            mdpo_command,
+            comment,
+            original_command,
+    ):
         msg = mdpo_command
         if comment:
             msg += f' - {comment}'
         if original_command and original_command != mdpo_command:
-            msg += f' (original command: \'{original_command}\')'
+            msg += f" (original command: '{original_command}')"
         debug('command', msg)
 
-    def print_enter_block(self, block, details):
+    def print_enter_block(self, block, details):  # noqa: ARG001
         debug('enter_block', _block_msg(block, details))
 
-    def print_leave_block(self, block, details):
+    def print_leave_block(self, block, details):  # noqa: ARG001
         debug('leave_block', _block_msg(block, details))
 
-    def print_enter_span(self, span, details):
+    def print_enter_span(self, span, details):  # noqa: ARG001
         debug('enter_span', _block_msg(span, details))
 
-    def print_leave_span(self, span, details):
+    def print_leave_span(self, span, details):  # noqa: ARG001
         debug('leave_span', _block_msg(span, details))
 
-    def print_text(self, block, text):  # noqa: U100
+    def print_text(self, block, text):  # noqa: ARG001
         debug('text', text)
 
-    def print_link_reference(self, target, href, title):
-        msg = f'target=\'{target}\''
+    def print_link_reference(self, target, href, title):  # noqa: ARG001
+        msg = f"target='{target}'"
         if href:
-            msg += f' - href=\'{href}\''
+            msg += f" - href='{href}'"
         if title:
-            msg += f' - title=\'{title}\''
+            msg += f" - title='{title}'"
         debug('link_reference', msg)
 
     return {
diff --git a/src/mdpo/io.py b/src/mdpo/io.py
index 01808475..34c2aafe 100644
--- a/src/mdpo/io.py
+++ b/src/mdpo/io.py
@@ -98,7 +98,6 @@ def to_files_or_content(value):
         return (True, value)
     except Exception as err:
         # some strings like '[s-m]' will produce
-        # 're.error: bad character range ... at position'
         if err.__module__ == 're' and err.__class__.__name__ == 'error':
             return (False, value)
         raise err
@@ -112,8 +111,9 @@ def save_file_checking_file_changed(filepath, content, encoding='utf-8'):
     """Save a file checking if the content has changed.
 
     Args:
-        pofile (:py:class:`polib.POFile`): PO file to save.
-        po_filepath (str): Path to the new file to save in.
+        filepath (:py:class:`polib.POFile`): Path to the file to save.
+        content (str): Content to save.
+        encoding (str): Encoding to use when saving the file.
 
     Returns:
         bool: If the PO file content has been changed.
diff --git a/src/mdpo/md.py b/src/mdpo/md.py
index e459f5f6..033fade4 100644
--- a/src/mdpo/md.py
+++ b/src/mdpo/md.py
@@ -1,5 +1,6 @@
 """Markdown related utilities for mdpo."""
 
+
 LINK_REFERENCE_REGEX = (
     r'^\[([^\]]+)\]:\s+<?([^\s>]+)>?\s*["\'\(]?([^"\'\)]+)?'
 )
@@ -90,13 +91,11 @@ def solve_link_reference_targets(translations):
         for msgid_linkr_group in msgid_linkr_groups:
             for link_reference_text_targets in link_references_text_targets:
 
-                # link_reference_text_targets[msgid][link_reference]
                 if link_reference_text_targets[0][0] == msgid_linkr_group[1]:
                     replacer = (
                         f'[{msgid_linkr_group[0]}][{msgid_linkr_group[1]}]'
                     )
                     replacement = (
-                        # link_reference_text_targets[msgid][target]
                         f'[{msgid_linkr_group[0]}]'
                         f'({link_reference_text_targets[0][1]})'
                     )
@@ -114,13 +113,11 @@ def solve_link_reference_targets(translations):
         for msgstr_linkr_group in msgstr_linkr_groups:
             for link_reference_text_targets in link_references_text_targets:
 
-                # link_reference_text_targets[msgstr][link_reference]
                 if link_reference_text_targets[1][0] == msgstr_linkr_group[1]:
                     replacer = (
                         f'[{msgstr_linkr_group[0]}][{msgstr_linkr_group[1]}]'
                     )
                     replacement = (
-                        # link_reference_text_targets[msgstr][target]
                         f'[{msgstr_linkr_group[0]}]'
                         f'({link_reference_text_targets[1][1]})'
                     )
@@ -136,10 +133,4 @@ def solve_link_reference_targets(translations):
         # store in solutions
         solutions[new_msgid] = new_msgstr
 
-        # print('----> new_msgid', new_msgid)
-        # print('----> new_msgstr', new_msgstr)
-
-    # print('----> link_references_text_targets', link_references_text_targets)
-    # print('----> msgid_msgstrs_with_links', msgid_msgstrs_with_links)
-    # print('----> solutions', solutions)
     return solutions
diff --git a/src/mdpo/md2po/__init__.py b/src/mdpo/md2po/__init__.py
index b4a0381f..aa8a7934 100644
--- a/src/mdpo/md2po/__init__.py
+++ b/src/mdpo/md2po/__init__.py
@@ -1,5 +1,6 @@
 """Markdown to PO files extractor according to mdpo specification."""
 
+import contextlib
 import glob
 import os
 
@@ -448,7 +449,11 @@ def _save_msgid(
             self.pofile.append(entry)
         self.found_entries.append(entry)
 
-    def _save_current_msgid(self, msgstr='', fuzzy=False):
+    def _save_current_msgid(
+            self,
+            msgstr='',
+            fuzzy=False,
+    ):
         # raise 'msgid' event
         if raise_skip_event(
             self.events,
@@ -527,14 +532,14 @@ def command(self, mdpo_command, comment, original_command):
                 raise ValueError(
                     'You need to specify a string for the'
                     ' extracted comment with the command'
-                    f' \'{original_command}\'.',
+                    f" '{original_command}'.",
                 )
             self.current_tcomment = comment
         elif mdpo_command == 'mdpo-context':
             if not comment:
                 raise ValueError(
                     'You need to specify a string for the'
-                    f' context with the command \'{original_command}\'.',
+                    f" context with the command '{original_command}'.",
                 )
             self.current_msgctxt = comment
         elif mdpo_command == 'mdpo-include':
@@ -542,7 +547,7 @@ def command(self, mdpo_command, comment, original_command):
                 raise ValueError(
                     'You need to specify a message for the'
                     ' comment to include with the command'
-                    f' \'{original_command}\'.',
+                    f" '{original_command}'.",
                 )
             self.current_msgid = comment
             self._save_current_msgid()
@@ -634,14 +639,13 @@ def enter_block(self, block, details):
             ]):
                 self._current_top_level_block_number += 1
                 self._current_top_level_block_type = md4c.BlockType.HTML.value
-        elif block is md4c.BlockType.TABLE:
-            if not any([
-                self._quoteblocks_deep,
-                self._inside_olblock,
-                self._uls_deep,
-            ]):
-                self._current_top_level_block_number += 1
-                self._current_top_level_block_type = md4c.BlockType.TABLE.value
+        elif block is md4c.BlockType.TABLE and not any([
+            self._quoteblocks_deep,
+            self._inside_olblock,
+            self._uls_deep,
+        ]):
+            self._current_top_level_block_number += 1
+            self._current_top_level_block_type = md4c.BlockType.TABLE.value
 
     def leave_block(self, block, details):
         # raise 'leave_block' event
@@ -650,9 +654,10 @@ def leave_block(self, block, details):
 
         if block is md4c.BlockType.CODE:
             self._inside_codeblock = False
-            if not self.disable_next_codeblock:
-                if self.include_codeblocks or self.include_next_codeblock:
-                    self._save_current_msgid()
+            if not self.disable_next_codeblock and (
+                self.include_codeblocks or self.include_next_codeblock
+            ):
+                self._save_current_msgid()
             self.include_next_codeblock = False
             self.disable_next_codeblock = False
         elif block is md4c.BlockType.HTML:
@@ -689,19 +694,15 @@ def not_plaintext_enter_span(self, span, details):
         # underline spans for double '_' character enters two times
         if not self._inside_uspan:
             if self._inside_aspan:  # span inside link text
-                try:
+                with contextlib.suppress(KeyError):
                     self._current_aspan_text += self._enterspan_replacer[
                         span.value
                     ]
-                except KeyError:
-                    pass
             else:
-                try:
+                with contextlib.suppress(KeyError):
                     self.current_msgid += (
                         self._enterspan_replacer[span.value]
                     )
-                except KeyError:
-                    pass
 
         if span is md4c.SpanType.A:
             # here resides the logic of discover if the current link
@@ -765,19 +766,15 @@ def not_plaintext_leave_span(self, span, details):
                 self.current_msgid += self._current_wikilink_target
                 self._current_wikilink_target = None
             if self._inside_aspan:  # span inside link text
-                try:
+                with contextlib.suppress(KeyError):
                     self._current_aspan_text += self._leavespan_replacer[
                         span.value
                     ]
-                except KeyError:
-                    pass
             else:
-                try:
+                with contextlib.suppress(KeyError):
                     self.current_msgid += (
                         self._leavespan_replacer[span.value]
                     )
-                except KeyError:
-                    pass
 
         if span is md4c.SpanType.A:
             if self._current_aspan_ref_target:  # referenced link
@@ -866,7 +863,7 @@ def text(self, block, text):
                     if self._current_imgspan:
                         self._current_imgspan['text'] = text
                         return
-                    elif self._inside_codespan:
+                    if self._inside_codespan:
                         # fix backticks for codespan start and end to escape
                         # internal backticks
                         self._codespan_backticks = min_not_max_chars_in_a_row(
@@ -902,10 +899,10 @@ def text(self, block, text):
                         )
                     return
                 self.current_msgid += text
-            else:
-                if not self.disable_next_codeblock:
-                    if self.include_codeblocks or self.include_next_codeblock:
-                        self.current_msgid += text
+            elif not self.disable_next_codeblock and (
+                self.include_codeblocks or self.include_next_codeblock
+            ):
+                self.current_msgid += text
         else:
             self._process_command(text)
 
@@ -1166,6 +1163,8 @@ def msgid_event(self, msgid, *args):
                        self.disable_next_block = True
         debug (bool): Add events displaying all parsed elements in the
             extraction process.
+        **kwargs: Extra arguments passed to
+            :py:class:`mdpo.md2po.Md2Po` constructor.
 
     Examples:
         >>> content = 'Some text with `inline code`'
diff --git a/src/mdpo/md2po2md/__init__.py b/src/mdpo/md2po2md/__init__.py
index fef28de2..cb3faa02 100644
--- a/src/mdpo/md2po2md/__init__.py
+++ b/src/mdpo/md2po2md/__init__.py
@@ -83,16 +83,15 @@ def markdown_to_pofile_to_markdown(
             and err.__class__.__name__ == 'error'
         ):
             # some strings like '[s-m]' will produce
-            # 're.error: bad character range ... at position'
             raise FileNotFoundError(
                 "The argument 'input_paths_glob' must be a valid glob or file"
                 ' path.',
-            )
+            ) from None
         raise err
     else:
         if not input_paths_glob_:
             raise FileNotFoundError(
-                f'The glob \'{input_paths_glob}\' does not match any file.',
+                f"The glob '{input_paths_glob}' does not match any file.",
             )
 
     _saved_files_changed = None if not _check_saved_files_changed else False
diff --git a/src/mdpo/md2po2md/__main__.py b/src/mdpo/md2po2md/__main__.py
index 1eb9fe9b..142e6d3e 100755
--- a/src/mdpo/md2po2md/__main__.py
+++ b/src/mdpo/md2po2md/__main__.py
@@ -52,12 +52,12 @@ def build_parser():
     )
 
     output_paths_schema_help = '' if SPHINX_IS_RUNNING else (
-        ' For example, for the schema \'locale/{lang}\', the languages'
-        ' \'es\' and \'fr\' and a \'README.md\' as input, the next files'
-        ' will be written: \'locale/es/README.po\', \'locale/es/README.md\','
-        ' \'locale/fr/README.po\' and \'locale/fr/README.md\'.'
-        ' Note that you can omit \'{basename}\', specifying a'
-        ' directory for each language with \'locale/{lang}\' for this'
+        " For example, for the schema 'locale/{lang}', the languages"
+        " 'es' and 'fr' and a 'README.md' as input, the next files"
+        " will be written: 'locale/es/README.po', 'locale/es/README.md',"
+        " 'locale/fr/README.po' and 'locale/fr/README.md'."
+        " Note that you can omit '{basename}', specifying a"
+        " directory for each language with 'locale/{lang}' for this"
         ' example.'
     )
     parser.add_argument(
diff --git a/src/mdpo/md4c.py b/src/mdpo/md4c.py
index eb5fa712..8cf44e6a 100644
--- a/src/mdpo/md4c.py
+++ b/src/mdpo/md4c.py
@@ -4,6 +4,8 @@
 #: :list: `md4c parser <https://github.com/mity/md4c>`_ extensions
 #: used by default on :doc:`md2po </dev/reference/mdpo.md2po>` and
 #: :doc:`po2md </dev/reference/mdpo.po2md>` implementations.
+
+
 DEFAULT_MD4C_GENERIC_PARSER_EXTENSIONS = [
     'collapse_whitespace',
     'tables',
diff --git a/src/mdpo/mdpo2html/__init__.py b/src/mdpo/mdpo2html/__init__.py
index 25b536fa..9afd3634 100644
--- a/src/mdpo/mdpo2html/__init__.py
+++ b/src/mdpo/mdpo2html/__init__.py
@@ -1,5 +1,6 @@
 """HTML-produced-from-Markdown files translator using PO files as reference."""
 
+import contextlib
 import html
 import re
 import warnings
@@ -149,7 +150,6 @@ def _remove_lastline_from_output_if_empty(self):
             self.output = '\n'.join(split_output)[:-1]
 
     def _process_replacer(self):
-        # print('REPLACER:', self.replacer)
 
         template_tags = []
         raw_html_template, _current_replacement = ('', '')
@@ -186,15 +186,11 @@ def _process_replacer(self):
 
                     raw_html_template += f'<{handled}'
 
-                    # attrs_except_href_title = []
                     for attr in attrs:
                         if attr in ['title', 'href']:
                             raw_html_template += f' {attr}="{{}}"'
-                        # else:
                         #     These attributes are not included in output
-                        #    attrs_except_href_title.append((attr, value))
                     # if attrs_except_href_title:
-                    #     raw_html_template += ' '
                     # raw_html_template += _html_attrs_to_str(
                     #     attrs_except_href_title) + '>'
                     raw_html_template += '>'
@@ -280,11 +276,6 @@ def _process_replacer(self):
                         if tag not in template_tags:
                             template_tags.append(tag)
 
-        # print('RAW TEMPLATE:', raw_html_template)
-        # print('TEMPLATE TAGS:', template_tags)
-        # print(f'CURRENT MSGID: \'{_current_replacement}\'')
-        # print('MSGSTR:', replacement)
-
         html_before_first_replacement = raw_html_template.split('{')[0]
         html_after_last_replacement = raw_html_template.split('}')[-1]
         for tags_group in [self.bold_tags, self.italic_tags, self.code_tags]:
@@ -318,10 +309,7 @@ def _process_replacer(self):
         self.enable_next_block = False
         self.current_msgctxt = None
 
-        # print('________________________________________________')
-
     def handle_starttag(self, tag, attrs):
-        # print('START TAG: %s | POS: %d:%d' % (tag, *self.getpos()))
 
         if tag in self.ignore_grouper_tags:
             self.context.append(tag)
@@ -351,7 +339,6 @@ def handle_starttag(self, tag, attrs):
             self.context.append(tag)
 
     def handle_endtag(self, tag):
-        # print('END TAG: %s | POS: %d:%d' % (tag, *self.getpos()))
 
         if tag in self.ignore_grouper_tags:
             self.output += f'</{tag}>'
@@ -370,7 +357,6 @@ def handle_endtag(self, tag):
                 self.context.pop()
 
     def handle_startendtag(self, tag, attrs):
-        # print('STARTEND TAG: %s | POS: %d:%d' % (tag, *self.getpos()))
 
         if not self.replacer:
             self.output += self.get_starttag_text()
@@ -378,7 +364,6 @@ def handle_startendtag(self, tag, attrs):
             self.replacer.append(('startend', tag, OrderedDict(attrs)))
 
     def handle_data(self, data):
-        # print(f'     DATA: \'{data}\'')
 
         if data:
             if (
@@ -396,7 +381,6 @@ def handle_data(self, data):
                 self.replacer.append(('data', data, None))
 
     def handle_comment(self, data):
-        # print(f'     COMMENT: \'{data}\'')
 
         if self.replacer:
             self.replacer.append(('comment', data, None))
@@ -410,10 +394,8 @@ def handle_comment(self, data):
             else:
                 self._remove_lastline_from_output_if_empty()
 
-                try:
+                with contextlib.suppress(KeyError):  # not custom command
                     command = self.command_aliases[command]
-                except KeyError:  # not custom command
-                    pass
 
                 if command in (
                     'mdpo-disable-next-block',
@@ -504,6 +486,8 @@ def markdown_pofile_to_html(
             instead of ``<!-- mdpo-enable -->``, you can pass the dictionaries
             ``{"mdpo-on": "mdpo-enable"}`` or ``{"mdpo-on": "enable"}`` to this
             parameter.
+        **kwargs: Extra keyword arguments passed to
+            :py:class:`mdpo.mdpo2html.MdPo2HTML` constructor.
 
     .. rubric:: Known limitations:
 
diff --git a/src/mdpo/po2md/__init__.py b/src/mdpo/po2md/__init__.py
index 90650140..eb1fea65 100644
--- a/src/mdpo/po2md/__init__.py
+++ b/src/mdpo/po2md/__init__.py
@@ -1,5 +1,7 @@
 """Markdown files translator using PO files as reference."""
 
+import contextlib
+
 import md4c
 import md_ulb_pwrap
 import polib
@@ -420,23 +422,22 @@ def _save_current_msgid(self):
                     else:
                         first_line_width_diff = -3
 
-            if not self._inside_codeblock:
-                # Wrap lines with Unicode Line Break algorithm
-                #
-                # Only execute it for text outside tables
-                if not self._current_thead_aligns:
-                    translation = md_ulb_pwrap.ulb_wrap_paragraph(
-                        translation,
-                        self.wrapwidth,
-                        self.wrapwidth + first_line_width_diff,
-                    )
+            # Wrap lines with Unicode Line Break algorithm
+            #
+            # Only execute it for text outside tables
+            if not self._inside_codeblock and not self._current_thead_aligns:
+                translation = md_ulb_pwrap.ulb_wrap_paragraph(
+                    translation,
+                    self.wrapwidth,
+                    self.wrapwidth + first_line_width_diff,
+                )
 
-                    if not any([
-                        self._inside_liblock,
-                        self._inside_hblock,
-                        self._inside_quoteblock,
-                    ]):
-                        translation += '\n'
+                if not any([
+                    self._inside_liblock,
+                    self._inside_hblock,
+                    self._inside_quoteblock,
+                ]):
+                    translation += '\n'
 
         if translation.rstrip('\n'):
             self.current_line += translation
@@ -586,13 +587,12 @@ def leave_block(self, block, details):
                     indent = '   ' * len(self._current_list_type)
                     self.current_line = f'{indent}{self.current_line}'
                     self._save_current_line()
+                elif self._inside_liblock_first_p:
+                    self._inside_liblock_first_p = False
                 else:
-                    if self._inside_liblock_first_p:
-                        self._inside_liblock_first_p = False
-                    else:
-                        indent = '   ' * len(self._current_list_type)
-                        self.current_line = f'\n{indent}{self.current_line}'
-                        self._save_current_line()
+                    indent = '   ' * len(self._current_list_type)
+                    self.current_line = f'\n{indent}{self.current_line}'
+                    self._save_current_line()
             else:
                 self._save_current_line()
 
@@ -615,10 +615,11 @@ def leave_block(self, block, details):
                 self.current_line += f'{indent}{fence_chars}'
 
             self._save_current_line()
-            if not self._inside_liblock:
-                # prevent two newlines after indented code block
-                if not self._inside_indented_codeblock:
-                    self._save_current_line()
+            # prevent two newlines after indented code block
+            if not self._inside_liblock and (
+                    not self._inside_indented_codeblock
+            ):
+                self._save_current_line()
             self._inside_indented_codeblock = False
         elif block is md4c.BlockType.H:
             self._save_current_msgid()
@@ -666,7 +667,7 @@ def leave_block(self, block, details):
                     thead_separator += '| --- '
                 elif align == 1:
                     thead_separator += '| :-- '
-                elif align == 2:
+                elif align == 2:  # noqa: PLR2004
                     thead_separator += '| :-: '
                 else:
                     thead_separator += '| --: '
@@ -703,17 +704,13 @@ def enter_span(self, span, details):
             return
 
         if self._inside_aspan:  # span inside link text
-            try:
+            with contextlib.suppress(KeyError):
                 self._current_aspan_text += self._enterspan_replacer[
                     span.value
                 ]
-            except KeyError:
-                pass
         else:
-            try:
+            with contextlib.suppress(KeyError):
                 self.current_msgid += self._enterspan_replacer[span.value]
-            except KeyError:
-                pass
 
         if span is md4c.SpanType.A:
             self._inside_aspan = True
@@ -769,17 +766,13 @@ def leave_span(self, span, details):
             self._current_wikilink_target = None
 
         if self._inside_aspan:  # span inside link text
-            try:
+            with contextlib.suppress(KeyError):
                 self._current_aspan_text += self._leavespan_replacer[
                     span.value
                 ]
-            except KeyError:
-                pass
         else:
-            try:
+            with contextlib.suppress(KeyError):
                 self.current_msgid += self._leavespan_replacer[span.value]
-            except KeyError:
-                pass
 
         if span is md4c.SpanType.A:
             if self._current_aspan_ref_target:  # referenced link
@@ -789,24 +782,23 @@ def leave_span(self, span, details):
                         f'[{self._current_aspan_ref_target}]'
                     )
                 self._current_aspan_ref_target = None
-            else:
-                if self._current_aspan_text == self._current_aspan_href:
-                    # autolink vs link clash (see implementation notes)
-                    self.current_msgid += f'<{self._current_aspan_text}'
-                    if details['title']:
-                        escaped_title = polib.escape(details['title'][0][1])
-                        self.current_msgid += f' "{escaped_title}"'
-                    self.current_msgid += '>'
-                elif self._current_aspan_href:
-                    self.current_msgid += (
-                        f'[{self._current_aspan_text}]'
-                        f'({self._current_aspan_href}'
-                    )
-                    if details['title']:
-                        self._aimg_title_inside_current_msgid = True
-                        escaped_title = polib.escape(details['title'][0][1])
-                        self.current_msgid += f' "{escaped_title}"'
-                    self.current_msgid += ')'
+            elif self._current_aspan_text == self._current_aspan_href:
+                # autolink vs link clash (see implementation notes)
+                self.current_msgid += f'<{self._current_aspan_text}'
+                if details['title']:
+                    escaped_title = polib.escape(details['title'][0][1])
+                    self.current_msgid += f' "{escaped_title}"'
+                self.current_msgid += '>'
+            elif self._current_aspan_href:
+                self.current_msgid += (
+                    f'[{self._current_aspan_text}]'
+                    f'({self._current_aspan_href}'
+                )
+                if details['title']:
+                    self._aimg_title_inside_current_msgid = True
+                    escaped_title = polib.escape(details['title'][0][1])
+                    self.current_msgid += f' "{escaped_title}"'
+                self.current_msgid += ')'
             self._current_aspan_href = None
             self._inside_aspan = False
             self._current_aspan_text = ''
@@ -866,7 +858,7 @@ def text(self, block, text):
                 if self._current_imgspan:
                     self._current_imgspan['text'] = text
                     return
-                elif self._inside_codespan:
+                if self._inside_codespan:
                     self._codespan_backticks = min_not_max_chars_in_a_row(
                         self.code_start_string,
                         text,
@@ -910,9 +902,8 @@ def text(self, block, text):
                     if self.current_line[:len(indent) + 1] != indent:
                         self.current_line += indent
                 self.current_msgid += text
-        else:
-            if not self._process_command(text):
-                self.current_line += text
+        elif not self._process_command(text):
+            self.current_line += text
 
     def _append_link_references(self):
         if self.link_references:
@@ -1013,7 +1004,7 @@ def pofile_to_markdown(
 
     Args:
         filepath_or_content (str): Markdown filepath or content to translate.
-        pofiles (str, list) Glob or list of globs matching a set of PO files
+        pofiles (str, list): Glob or list of globs matching a set of PO files
             from where to extract messages to make the replacements translating
             strings.
         ignore (list): Paths of PO files to ignore. Useful when a glob does not
@@ -1062,6 +1053,8 @@ def pofile_to_markdown(
             with the syntax ``path/to/file.py::function_name``.
         debug (bool): Add events displaying all parsed elements in the
             translation process.
+        **kwargs: Extra arguments passed to
+            :py:class:`mdpo.po2md.Po2Md` constructor.
 
     Returns:
         str: Markdown output file with translated content.
diff --git a/src/mdpo/polib.py b/src/mdpo/polib.py
index e597bf0a..cacaccbe 100644
--- a/src/mdpo/polib.py
+++ b/src/mdpo/polib.py
@@ -26,12 +26,8 @@ def poentry__cmp__(
         compare_occurrences (bool): Indicates if the ``occurrences`` property
             of the entries will be used comparing them.
     """
-    if compare_obsolete:
-        if self.obsolete != other.obsolete:
-            if self.obsolete:
-                return -1
-            else:
-                return 1
+    if compare_obsolete and self.obsolete != other.obsolete:
+        return -1 if self.obsolete else 1
     if compare_occurrences:
         # `.copy` is an equivalent for full slice [:], but is faster
         # `.copy` doesn't exists for lists in Python2 so for this reason,
@@ -46,27 +42,27 @@ def poentry__cmp__(
     othermsgctxt = other.msgctxt or '0'
     if msgctxt > othermsgctxt:
         return 1
-    elif msgctxt < othermsgctxt:
+    if msgctxt < othermsgctxt:
         return -1
     msgid_plural = self.msgid_plural or '0'
     othermsgid_plural = other.msgid_plural or '0'
     if msgid_plural > othermsgid_plural:
         return 1
-    elif msgid_plural < othermsgid_plural:
+    if msgid_plural < othermsgid_plural:
         return -1
     msgstr_plural = self.msgstr_plural or '0'
     othermsgstr_plural = other.msgstr_plural or '0'
     if msgstr_plural > othermsgstr_plural:
         return 1
-    elif msgstr_plural < othermsgstr_plural:
+    if msgstr_plural < othermsgstr_plural:
         return -1
-    elif self.msgid > other.msgid:
+    if self.msgid > other.msgid:
         return 1
-    elif self.msgid < other.msgid:
+    if self.msgid < other.msgid:
         return -1
     if compare_msgstr:
         if self.msgstr > other.msgstr:
             return 1
-        elif self.msgstr < other.msgstr:
+        if self.msgstr < other.msgstr:
             return -1
     return 0
diff --git a/src/mdpo/text.py b/src/mdpo/text.py
index 8ef8a76a..d78c9c17 100644
--- a/src/mdpo/text.py
+++ b/src/mdpo/text.py
@@ -17,7 +17,7 @@ def and_join(values):
 
 
 def min_not_max_chars_in_a_row(char, text, default=1):
-    r"""Return the minimum possible of characters not found in a row for a string.
+    r"""Return minimum possible of characters not found in a row for a string.
 
     For example, given the string ``"c cc cccc"`` and the character ``"c"``,
     returns the minimum number of characters in a row that are not found, so
@@ -31,6 +31,7 @@ def min_not_max_chars_in_a_row(char, text, default=1):
     Args:
         char (str): Character to search.
         text (str): Text inside which find the character repeated in a row.
+        default (int): Default value to return if the character is not found.
 
     Returns:
         int: Minimum number possible of characters not found in a row.
@@ -108,8 +109,8 @@ def parse_escaped_pairs(pairs, separator=':'):
     for pair in pairs:
         try:
             key, value = parse_escaped_pair(pair, separator=separator)
-        except ValueError:
-            raise ValueError(pair)
+        except ValueError as exc:
+            raise ValueError(pair) from exc
         if key in response:
             raise KeyError(key)
         response[key] = value
@@ -143,7 +144,7 @@ def parse_wrapwidth_argument(value):
     """
     try:
         value = parse_strint_0_inf(value)
-    except ValueError:
+    except ValueError as exc:
         if os.environ.get('_MDPO_RUNNING'):  # executed as CLI
             sys.stderr.write(
                 f"Invalid value '{value}' for -w/--wrapwidth argument.\n",
@@ -151,5 +152,5 @@ def parse_wrapwidth_argument(value):
             sys.exit(1)
         raise ValueError(
             f"Invalid value '{value}' for wrapwidth argument.",
-        )
+        ) from exc
     return value
diff --git a/tests/conftest.py b/tests/conftest.py
index 83f07472..83897ece 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -85,6 +85,7 @@ def _git_init(cwd=None):
         ['git', 'init'],
         cwd=cwd,
         capture_output=True,
+        check=False,
     )
 
 
@@ -101,12 +102,14 @@ def _git_add_commit(message, files='.', cwd=None):
             ['git', 'add', files],
             cwd=cwd,
             capture_output=True,
+            check=False,
         )
 
         commit_proc = subprocess.run(
             ['git', 'commit', '-m', message],
             cwd=cwd,
             capture_output=True,
+            check=False,
         )
 
         return not any([add_proc.returncode, commit_proc.returncode])
@@ -150,15 +153,12 @@ def class_slots():
 def _wrap_location_comment(filepath, rest):
     target_type, number, context = rest.split(' ', 2)
     result = f'#: {filepath}:{target_type}'
-    if len(result) > 77:
+    if len(result) + len(number) > 77:
         result += f'\n#: {number}'
     else:
-        if len(result) + len(number) > 77:
-            result += f'\n#: {number}'
-        else:
-            result += f' {number}'
-            if len(result) > 77:
-                result += '\n#:'
+        result += f' {number}'
+        if len(result) > 77:
+            result += '\n#:'
     result += f' {context}'
     return result
 
diff --git a/tests/test_integration/test_pre_commit_hooks.py b/tests/test_integration/test_pre_commit_hooks.py
index 2baa33aa..111ee42b 100644
--- a/tests/test_integration/test_pre_commit_hooks.py
+++ b/tests/test_integration/test_pre_commit_hooks.py
@@ -8,6 +8,7 @@ def pre_commit_run_all_files(cwd=None):
         ['pre-commit', 'run', '--all-files'],
         cwd=cwd,
         capture_output=True,
+        check=False,
     )
 
 
diff --git a/tests/test_unit/test_cli.py b/tests/test_unit/test_cli.py
index 7803cbc0..42f3c7e0 100644
--- a/tests/test_unit/test_cli.py
+++ b/tests/test_unit/test_cli.py
@@ -1,5 +1,4 @@
 import pytest
-
 from mdpo.cli import parse_command_aliases_cli_arguments
 
 
diff --git a/tests/test_unit/test_command.py b/tests/test_unit/test_command.py
index ba313f28..05c62ca7 100644
--- a/tests/test_unit/test_command.py
+++ b/tests/test_unit/test_command.py
@@ -1,7 +1,6 @@
 """HTML mdpo command utitlites tests."""
 
 import pytest
-
 from mdpo.command import (
     get_valid_mdpo_command_names,
     normalize_mdpo_command,
diff --git a/tests/test_unit/test_event.py b/tests/test_unit/test_event.py
index a078d02e..e75c4c80 100644
--- a/tests/test_unit/test_event.py
+++ b/tests/test_unit/test_event.py
@@ -2,7 +2,6 @@
 import io
 
 import pytest
-
 from mdpo.event import parse_events_kwarg
 from mdpo.md2po import markdown_to_pofile
 
@@ -83,7 +82,7 @@ def test_debug_event():
 md2po[DEBUG]::<date>::msgid:: msgid=''
 md2po[DEBUG]::<date>::link_reference:: target='link' - href='https://foo.bar' - title='Title'
 md2po[DEBUG]::<date>::msgid:: msgid='[link]: https://foo.bar "Title"' - msgstr='[link]: https://foo.bar "Title"' - flags='['fuzzy']'
-'''  # noqa E501
+'''
     assert comparable_debug_output == expected_output
 
 
diff --git a/tests/test_unit/test_init.py b/tests/test_unit/test_init.py
index 4fc620dc..f0c147f5 100644
--- a/tests/test_unit/test_init.py
+++ b/tests/test_unit/test_init.py
@@ -10,6 +10,6 @@ def test_pep562():
         'mdpo.md2po',
     ).markdown_to_pofile
 
-    expected_msg = 'cannot import name \'foobarbaz\' from \'mdpo\''
+    expected_msg = "cannot import name 'foobarbaz' from 'mdpo'"
     with pytest.raises(ImportError, match=expected_msg):
-        mdpo.foobarbaz
+        mdpo.foobarbaz  # noqa: B018
diff --git a/tests/test_unit/test_io.py b/tests/test_unit/test_io.py
index 548d7e18..af1bd4e9 100644
--- a/tests/test_unit/test_io.py
+++ b/tests/test_unit/test_io.py
@@ -5,7 +5,6 @@
 import os
 
 import pytest
-
 from mdpo.io import (
     filter_paths,
     save_file_checking_file_changed,
diff --git a/tests/test_unit/test_md2po/test_commands/test_md2po_codeblocks.py b/tests/test_unit/test_md2po/test_commands/test_md2po_codeblocks.py
index 51335b8c..02b3c2e4 100644
--- a/tests/test_unit/test_md2po/test_commands/test_md2po_codeblocks.py
+++ b/tests/test_unit/test_md2po/test_commands/test_md2po_codeblocks.py
@@ -1,5 +1,4 @@
 import pytest
-
 from mdpo.md2po import markdown_to_pofile
 
 
diff --git a/tests/test_unit/test_md2po/test_commands/test_md2po_context.py b/tests/test_unit/test_md2po/test_commands/test_md2po_context.py
index e1868e2f..600f0db3 100644
--- a/tests/test_unit/test_md2po/test_commands/test_md2po_context.py
+++ b/tests/test_unit/test_md2po/test_commands/test_md2po_context.py
@@ -1,5 +1,4 @@
 import pytest
-
 from mdpo.md2po import markdown_to_pofile
 
 
@@ -40,7 +39,7 @@ def test_context(command, command_aliases):
 def test_context_without_value(command, command_aliases):
     expected_msg = (
         'You need to specify a string for the context with the command'
-        f' \'{command}\'.'
+        f" '{command}'."
     )
     with pytest.raises(ValueError, match=expected_msg):
         markdown_to_pofile(
diff --git a/tests/test_unit/test_md2po/test_commands/test_md2po_disable.py b/tests/test_unit/test_md2po/test_commands/test_md2po_disable.py
index c58b01ed..34864762 100644
--- a/tests/test_unit/test_md2po/test_commands/test_md2po_disable.py
+++ b/tests/test_unit/test_md2po/test_commands/test_md2po_disable.py
@@ -1,5 +1,4 @@
 import pytest
-
 from mdpo.md2po import Md2Po, markdown_to_pofile
 
 
diff --git a/tests/test_unit/test_md2po/test_commands/test_md2po_include.py b/tests/test_unit/test_md2po/test_commands/test_md2po_include.py
index 7e4b6fdd..8bd3f905 100644
--- a/tests/test_unit/test_md2po/test_commands/test_md2po_include.py
+++ b/tests/test_unit/test_md2po/test_commands/test_md2po_include.py
@@ -1,5 +1,4 @@
 import pytest
-
 from mdpo.md2po import markdown_to_pofile
 
 
@@ -40,7 +39,7 @@ def test_include_comment(command, command_aliases):
 def test_include_comment_without_value(command, command_aliases):
     expected_msg = (
         'You need to specify a message for the comment to include with the'
-        f' command \'{command}\'.'
+        f" command '{command}'."
     )
     with pytest.raises(ValueError, match=expected_msg):
         markdown_to_pofile(
diff --git a/tests/test_unit/test_md2po/test_commands/test_md2po_translator.py b/tests/test_unit/test_md2po/test_commands/test_md2po_translator.py
index c23c1d39..a44d0e9f 100644
--- a/tests/test_unit/test_md2po/test_commands/test_md2po_translator.py
+++ b/tests/test_unit/test_md2po/test_commands/test_md2po_translator.py
@@ -1,5 +1,4 @@
 import pytest
-
 from mdpo.md2po import markdown_to_pofile
 
 
@@ -42,7 +41,7 @@ def test_translator_command_without_value(command, command_aliases):
 '''
     expected_msg = (
         'You need to specify a string for the extracted comment with the'
-        f' command \'{command}\'.'
+        f" command '{command}'."
     )
     with pytest.raises(ValueError, match=expected_msg):
         markdown_to_pofile(content, command_aliases=command_aliases)
diff --git a/tests/test_unit/test_md2po/test_extract.py b/tests/test_unit/test_md2po/test_extract.py
index 4670faef..76699753 100644
--- a/tests/test_unit/test_md2po/test_extract.py
+++ b/tests/test_unit/test_md2po/test_extract.py
@@ -3,7 +3,6 @@
 import random
 
 import pytest
-
 from mdpo.md2po import markdown_to_pofile
 from mdpo.md4c import DEFAULT_MD4C_GENERIC_PARSER_EXTENSIONS
 
diff --git a/tests/test_unit/test_md2po/test_extractor.py b/tests/test_unit/test_md2po/test_extractor.py
index 16b2e337..797dbaf4 100644
--- a/tests/test_unit/test_md2po/test_extractor.py
+++ b/tests/test_unit/test_md2po/test_extractor.py
@@ -1,7 +1,6 @@
 import os
 
 import pytest
-
 from mdpo.md2po import Md2Po
 
 
diff --git a/tests/test_unit/test_md2po/test_md2po_cli.py b/tests/test_unit/test_md2po/test_md2po_cli.py
index 4ddfd484..e7eb44dd 100644
--- a/tests/test_unit/test_md2po/test_md2po_cli.py
+++ b/tests/test_unit/test_md2po/test_md2po_cli.py
@@ -7,7 +7,6 @@
 import sys
 
 import pytest
-
 from mdpo.compat import importlib_metadata
 from mdpo.md2po.__main__ import run
 
@@ -76,6 +75,7 @@ def test_pipe_redirect_file_stdin(tmp_file):
             input=EXAMPLE['input'],
             capture_output=True,
             shell=True,
+            check=False,
         )
     assert proc.stdout == EXAMPLE['output']
     assert proc.returncode == 0
@@ -160,7 +160,7 @@ def test_debug(capsys, arg):
             ),
             line,
         )
-        if line.endswith('msgid=\'\''):
+        if line.endswith("msgid=''"):
             assert '\n'.join([*stdout_lines[i + 1:], '']) == EXAMPLE['output']
             po_output_checked = True
             break
@@ -367,7 +367,7 @@ def test_wrapwidth(capsys, arg, value):
         stdout, stderr = capsys.readouterr()
         assert stdout == ''
         assert stderr == (
-            'Invalid value \'invalid\' for -w/--wrapwidth argument.\n'
+            "Invalid value 'invalid' for -w/--wrapwidth argument.\n"
         )
         return
 
diff --git a/tests/test_unit/test_md2po/test_md2po_events.py b/tests/test_unit/test_md2po/test_md2po_events.py
index 0995f62c..ea1e6432 100644
--- a/tests/test_unit/test_md2po/test_md2po_events.py
+++ b/tests/test_unit/test_md2po/test_md2po_events.py
@@ -5,14 +5,17 @@
 
 import md4c
 import pytest
-
 from mdpo.command import normalize_mdpo_command
 from mdpo.md2po import Md2Po, markdown_to_pofile
 
 
 @pytest.mark.parametrize(('abort_event'), (True, False))
 def test_enter_leave_block_event(abort_event):
-    def print_is_task_list_item(self, block, details):
+    def print_is_task_list_item(
+            self,  # noqa: ARG001
+            block,
+            details,
+    ):
         if block is md4c.BlockType.LI:
             sys.stdout.write(str(details['is_task']))
 
@@ -95,10 +98,10 @@ def test_text_event(abort_event):
 @pytest.mark.parametrize(('abort_event'), (True, False))
 def test_command_event(abort_event):
     def error_when_unknown_command_event(
-        self,
+        self,  # noqa: ARG001
         command,
-        comment,  # noqa: U100
-        original_command,  # noqa: U100
+        comment,  # noqa: ARG001
+        original_command,  # noqa: ARG001
     ):
         # here 'normalize_mdpo_command' is added to simulate a real behaviour,
         # is not related with the test itself
@@ -126,14 +129,15 @@ def test_command_event_return_false():
     def skip_counter_command_event(
         self,
         command,
-        comment,  # noqa: U100
-        original_command,  # noqa: U100
+        comment,  # noqa: ARG001
+        original_command,  # noqa: ARG001
     ):
         if command == 'mdpo-skip':
             self.skip_counter += 1
             return False
-        elif command == 'mdpo-disable-next-line':
+        if command == 'mdpo-disable-next-line':
             return False
+        return None
 
     content = '''<!-- mdpo-skip -->
 
@@ -179,9 +183,10 @@ def __init__(self, *args, **kwargs):
 
 
 def test_msgid_event():
-    def dont_save_hate_msgid(self, msgid, *args):  # noqa: U100
+    def dont_save_hate_msgid(self, msgid, *args):  # noqa: ARG001
         if msgid == 'hate':
             return False
+        return None
 
     content = '''<!-- mdpo-disable-next-line -->
 hate
@@ -210,9 +215,10 @@ def dont_save_hate_msgid(self, msgid, *args):  # noqa: U100
 
 
 def test_link_reference_event():
-    def process_footnotes(self, target, href, title):  # noqa: U100
+    def process_footnotes(self, target, href, title):  # noqa: ARG001
         if re.match(r'^\^\d', target):
             return False
+        return None
 
     content = '''This is a footnote[^1]. This is another[^2].
 
diff --git a/tests/test_unit/test_md2po/test_obsoletes.py b/tests/test_unit/test_md2po/test_obsoletes.py
index be8f2b08..6a20729b 100644
--- a/tests/test_unit/test_md2po/test_obsoletes.py
+++ b/tests/test_unit/test_md2po/test_obsoletes.py
@@ -3,7 +3,6 @@
 """
 
 import pytest
-
 from mdpo.md2po import markdown_to_pofile
 
 
diff --git a/tests/test_unit/test_md2po2md/test_md2po2md_cli.py b/tests/test_unit/test_md2po2md/test_md2po2md_cli.py
index 5214821b..ab84789b 100644
--- a/tests/test_unit/test_md2po2md/test_md2po2md_cli.py
+++ b/tests/test_unit/test_md2po2md/test_md2po2md_cli.py
@@ -3,7 +3,6 @@
 import os
 
 import pytest
-
 from mdpo.md2po2md.__main__ import run
 
 
diff --git a/tests/test_unit/test_mdpo2html/test_commands/test_mdpo2html_context.py b/tests/test_unit/test_mdpo2html/test_commands/test_mdpo2html_context.py
index d149d312..21c86c9f 100644
--- a/tests/test_unit/test_mdpo2html/test_commands/test_mdpo2html_context.py
+++ b/tests/test_unit/test_mdpo2html/test_commands/test_mdpo2html_context.py
@@ -1,5 +1,4 @@
 import pytest
-
 from mdpo.mdpo2html import markdown_pofile_to_html
 
 
diff --git a/tests/test_unit/test_mdpo2html/test_commands/test_mdpo2html_disable.py b/tests/test_unit/test_mdpo2html/test_commands/test_mdpo2html_disable.py
index 0de2b8da..051e3819 100644
--- a/tests/test_unit/test_mdpo2html/test_commands/test_mdpo2html_disable.py
+++ b/tests/test_unit/test_mdpo2html/test_commands/test_mdpo2html_disable.py
@@ -1,5 +1,4 @@
 import pytest
-
 from mdpo.mdpo2html import MdPo2HTML, markdown_pofile_to_html
 
 
diff --git a/tests/test_unit/test_mdpo2html/test_commands/test_mdpo2html_include_codeblock.py b/tests/test_unit/test_mdpo2html/test_commands/test_mdpo2html_include_codeblock.py
index 2603db3c..1229fcdf 100644
--- a/tests/test_unit/test_mdpo2html/test_commands/test_mdpo2html_include_codeblock.py
+++ b/tests/test_unit/test_mdpo2html/test_commands/test_mdpo2html_include_codeblock.py
@@ -3,7 +3,6 @@
 """
 
 import pytest
-
 from mdpo.mdpo2html import markdown_pofile_to_html
 
 
@@ -20,13 +19,13 @@ def test_include_codeblock(command, command_aliases, tmp_file):
 msgid ""
 msgstr ""
 '''
-    with pytest.warns(SyntaxWarning) as record:
-        with tmp_file(pofile_content, '.po') as po_filepath:
-            markdown_pofile_to_html(
-                html_input,
-                po_filepath,
-                command_aliases=command_aliases,
-            )
+    with pytest.warns(SyntaxWarning) as record, \
+            tmp_file(pofile_content, '.po') as po_filepath:
+        markdown_pofile_to_html(
+            html_input,
+            po_filepath,
+            command_aliases=command_aliases,
+        )
 
     assert len(record) == 1
     assert record[0].message.args[0] == (
diff --git a/tests/test_unit/test_mdpo2html/test_mdpo2html_cli.py b/tests/test_unit/test_mdpo2html/test_mdpo2html_cli.py
index 06d66945..af434e5a 100644
--- a/tests/test_unit/test_mdpo2html/test_mdpo2html_cli.py
+++ b/tests/test_unit/test_mdpo2html/test_mdpo2html_cli.py
@@ -2,7 +2,6 @@
 import os
 
 import pytest
-
 from mdpo.mdpo2html.__main__ import run
 
 
diff --git a/tests/test_unit/test_mdpo2html/test_mdpo2html_translate.py b/tests/test_unit/test_mdpo2html/test_mdpo2html_translate.py
index f080cb04..4cef0a9e 100644
--- a/tests/test_unit/test_mdpo2html/test_mdpo2html_translate.py
+++ b/tests/test_unit/test_mdpo2html/test_mdpo2html_translate.py
@@ -2,7 +2,6 @@
 import os
 
 import pytest
-
 from mdpo.mdpo2html import markdown_pofile_to_html
 
 
diff --git a/tests/test_unit/test_po.py b/tests/test_unit/test_po.py
index e81ad099..47e225e6 100644
--- a/tests/test_unit/test_po.py
+++ b/tests/test_unit/test_po.py
@@ -1,5 +1,4 @@
 import pytest
-
 from mdpo.po import po_escaped_string
 
 
diff --git a/tests/test_unit/test_po2md/test_commands/test_po2md_context.py b/tests/test_unit/test_po2md/test_commands/test_po2md_context.py
index 732938a6..b7cc3b6a 100644
--- a/tests/test_unit/test_po2md/test_commands/test_po2md_context.py
+++ b/tests/test_unit/test_po2md/test_commands/test_po2md_context.py
@@ -1,5 +1,4 @@
 import pytest
-
 from mdpo.po2md import pofile_to_markdown
 
 
diff --git a/tests/test_unit/test_po2md/test_commands/test_po2md_disable.py b/tests/test_unit/test_po2md/test_commands/test_po2md_disable.py
index 764b8154..8e7f622d 100644
--- a/tests/test_unit/test_po2md/test_commands/test_po2md_disable.py
+++ b/tests/test_unit/test_po2md/test_commands/test_po2md_disable.py
@@ -1,5 +1,4 @@
 import pytest
-
 from mdpo.po2md import Po2Md, pofile_to_markdown
 
 
diff --git a/tests/test_unit/test_po2md/test_po2md_cli.py b/tests/test_unit/test_po2md/test_po2md_cli.py
index 62d49c1b..f122a8b3 100644
--- a/tests/test_unit/test_po2md/test_po2md_cli.py
+++ b/tests/test_unit/test_po2md/test_po2md_cli.py
@@ -5,7 +5,6 @@
 import re
 
 import pytest
-
 from mdpo.po2md.__main__ import run
 
 
diff --git a/tests/test_unit/test_po2md/test_po2md_events.py b/tests/test_unit/test_po2md/test_po2md_events.py
index c98cd0be..c6996b81 100644
--- a/tests/test_unit/test_po2md/test_po2md_events.py
+++ b/tests/test_unit/test_po2md/test_po2md_events.py
@@ -6,11 +6,12 @@
 
 
 def test_link_reference_footnotes(tmp_file):
-    def process_footnote_references(self, target, href, title):  # noqa: U100
+    def process_footnote_references(self, target, href, title):  # noqa: ARG001
         if re.match(r'^\^\d', target):
             # footnotes are treated as text blocks, so we don't need to
             # translate them here
             return False
+        return None
 
     markdown_content = '''# Hello
 
@@ -69,7 +70,7 @@ def process_footnote_references(self, target, href, title):  # noqa: U100
 
 
 def test_command_event(tmp_file):
-    def _abort_command(self, *args):  # noqa: U100
+    def _abort_command(self, *args):  # noqa: ARG001
         assert not self.disable
         return False
 
@@ -97,7 +98,7 @@ def _abort_command(self, *args):  # noqa: U100
 
 
 def test_msgid_event(tmp_file):
-    def _abort_command(self, *args):  # noqa: U100
+    def _abort_command(self, *args):  # noqa: ARG001
         return False
 
     input_content = '''hello
diff --git a/tests/test_unit/test_po2md/test_po2md_pofiles_glob.py b/tests/test_unit/test_po2md/test_po2md_pofiles_glob.py
index ebccc48d..8fc7aacd 100644
--- a/tests/test_unit/test_po2md/test_po2md_pofiles_glob.py
+++ b/tests/test_unit/test_po2md/test_po2md_pofiles_glob.py
@@ -4,16 +4,17 @@
 
 
 def test_multiple_pofiles_glob(tmp_dir):
-    markdown_content = """
+    markdown_content = '''
 Beyond good intentions, a dictatorship is a dictatorship.
 
 How is it that you think beautiful nerd?
-"""
+'''
 
-    expected_output = """Más allá de las buenas intenciones, una dictadura es una dictadura.
+    expected_output = (
+        '''Más allá de las buenas intenciones, una dictadura es una dictadura.
 
 ¿Cómo es que te parece nerd lo bello?
-"""
+''')
 
     with tmp_dir({
         'foo.po': '''#
diff --git a/tests/test_unit/test_po2md/test_po2md_translate.py b/tests/test_unit/test_po2md/test_po2md_translate.py
index a9aa2fe9..1a248b72 100644
--- a/tests/test_unit/test_po2md/test_po2md_translate.py
+++ b/tests/test_unit/test_po2md/test_po2md_translate.py
@@ -2,7 +2,6 @@
 import os
 
 import pytest
-
 from mdpo.md2po import markdown_to_pofile
 from mdpo.po2md import pofile_to_markdown
 
diff --git a/tests/test_unit/test_po2md/test_po2md_wrapwidth.py b/tests/test_unit/test_po2md/test_po2md_wrapwidth.py
index eacf8fac..3c41a660 100644
--- a/tests/test_unit/test_po2md/test_po2md_wrapwidth.py
+++ b/tests/test_unit/test_po2md/test_po2md_wrapwidth.py
@@ -5,7 +5,6 @@
 import os
 
 import pytest
-
 from mdpo.po2md import pofile_to_markdown
 
 
diff --git a/tests/test_unit/test_text.py b/tests/test_unit/test_text.py
index 24df3b0c..acff1b15 100644
--- a/tests/test_unit/test_text.py
+++ b/tests/test_unit/test_text.py
@@ -2,7 +2,6 @@
 
 
 import pytest
-
 from mdpo.text import (
     INFINITE_WRAPWIDTH,
     min_not_max_chars_in_a_row,
@@ -88,7 +87,7 @@ def test_parse_strint_0_inf(value, expected_result, maybe_raises):
 )
 def test_parse_wrapwidth_argument(value):
     if not value.isdigit() and value.lower() not in ('inf', 'infinity'):
-        expected_msg = f'Invalid value \'{value}\' for wrapwidth argument.'
+        expected_msg = f"Invalid value '{value}' for wrapwidth argument."
         with pytest.raises(ValueError, match=expected_msg):
             parse_wrapwidth_argument(value)
     else: