diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 53bc9a3..eef36eb 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -8,6 +8,7 @@ repos:
         types: [python]
         stages: [pre-commit]
         verbose: true
+        pass_filenames: false
 
       - id: ruff_format
         name: ruff_format
@@ -17,14 +18,7 @@ repos:
         types: [python]
         stages: [pre-commit]
         verbose: true
-
-      - id: isort
-        name: isort
-        entry: bash -c "cd python_coderunner && isort ."
-        language: system
-        types: [python]
-        stages: [pre-commit]
-        verbose: true
+        pass_filenames: false
 
       - id: mypy
         name: mypy
@@ -33,6 +27,7 @@ repos:
         types: [python]
         stages: [pre-commit]
         verbose: true
+        pass_filenames: false
 
       - id: pylint
         name: pylint
@@ -41,6 +36,7 @@ repos:
         types: [python]
         stages: [pre-commit]
         verbose: true
+        pass_filenames: false
 
       - id: commitlint
         name: commitlint
diff --git a/README.md b/README.md
index bd6f19b..86d1b1e 100644
--- a/README.md
+++ b/README.md
@@ -162,6 +162,7 @@ TInterpolatorCommandBuilder ..|> ICommandBuilder : implements
 TInterpolatorCommandBuilder "1" o--> "1" IProjectInfoExtractor : aggregates
 TInterpolatorCommandBuilder "1" o--> "1" IFileInfoExtractor : aggregates
 IProjectInfoExtractor "1" o--> "1" IFileInfoExtractor : aggregates
+TBaseFileInfoExtractor ..|> IFileInfoExtractor : implements
 
 
 class TCodeRunner {
@@ -312,7 +313,6 @@ class IProjectInfoExtractor {
 	+ get_all_files_filter_by_file_type(file_types: set[str]) Iterable[str]
 }
 
-
 class IFileInfoExtractor {
 	<<interface>>
 	Declares all commands that are directly connected to the file.
diff --git a/autoload/coderunner.vim b/autoload/coderunner.vim
index 3a1e8c7..c5ba1f4 100644
--- a/autoload/coderunner.vim
+++ b/autoload/coderunner.vim
@@ -63,10 +63,10 @@ def coderunner_on_exit():
 
 sys.path.insert(0, os.path.dirname(vim.eval("s:script_folder_path")))
 try:
-    from python_coderunner import TCodeRunner, TVimCodeRunnerBuilder
+    from python_coderunner import TCodeRunner, TVimCodeRunnerFactory
 
 
-    coderunner: TCodeRunner = TVimCodeRunnerBuilder().build()
+    coderunner: TCodeRunner = TVimCodeRunnerFactory().create()
 except Exception as error:
     vim.command("redraw | echohl ErrorMsg")
     for line in traceback.format_exc().splitlines():
diff --git a/python_coderunner/__init__.py b/python_coderunner/__init__.py
index 850925b..a912b12 100644
--- a/python_coderunner/__init__.py
+++ b/python_coderunner/__init__.py
@@ -1,2 +1,2 @@
 from .src.coderunner import TCodeRunner
-from .src.coderunner_builder import TVimCodeRunnerBuilder
+from .src.coderunner_builder import TVimCodeRunnerFactory
diff --git a/python_coderunner/pyproject.toml b/python_coderunner/pyproject.toml
index 019e2f8..8f17204 100644
--- a/python_coderunner/pyproject.toml
+++ b/python_coderunner/pyproject.toml
@@ -3,13 +3,12 @@ name = "vim-code-runner"
 authors = [
   {name = "Zahar Chernenko", email = "zaharchernenko35@gmail.com"},
 ]
-version = "1.0.0"
+version = "1.0.1"
 requires-python = ">=3.10"
 
 [dependency-groups]
 dev = [
     "commitlint>=1.3.0",
-    "isort>=4.3.21",
     "mypy>=0.910",
     "pre-commit>=1.21.0",
     "pylint>=2.6.2",
@@ -19,7 +18,6 @@ dev = [
     "ruff>=0.12.0",
 ]
 pre-commit = [
-    "isort>=4.3.21",
     "mypy>=0.910",
     "pre-commit>=1.21.0",
     "pylint>=2.6.2",
@@ -35,9 +33,6 @@ test = [
 pythonpath = ["."]  # to run without python -m, otherwise there will be no src in the path
 testpaths = ["tests"]
 
-[tool.isort]
-profile = "black"
-
 [tool.mypy]
 check_untyped_defs = true
 explicit_package_bases = true  # without this, mypy complains about duplicate packages.
@@ -52,6 +47,10 @@ disable_error_code = [
 line-length = 120
 [tool.ruff.format]
 quote-style = "double"
+[tool.ruff.lint]
+extend-select = ["I", "F401"]
+extend-unsafe-fixes = ["F401"]
+ignore = ["W292"]
 [tool.ruff.lint.per-file-ignores]
 "__init__.py" = [
     "F401", # ignore unused imports
@@ -91,10 +90,11 @@ argument-naming-style = "snake_case"
 attr-naming-style = "snake_case"
 class-attribute-naming-style = "any"
 class-const-naming-style = "UPPER_CASE"
-class-rgx="^(((I|T|E|Supports)[A-Z][a-zA-Z0-9]*)|[A-Z][a-zA-Z0-9]*Error)$"
+class-rgx="^(((I|T|E)[A-Z][a-zA-Z0-9]*)|([A-Z][a-zA-Z0-9]*(Error|Protocol)))$"
 const-naming-style= "any"
 function-naming-style = "snake_case"
-typevar="^T[A-Z][a-zA-Z0-9]*$"
+typealias-rgx="^(((I|T|E)[A-Z][a-zA-Z0-9]*)|([A-Z][a-zA-Z0-9]*(Error|Protocol)))$"
+typevar-rgx="^[A-Z][a-zA-Z0-9]*Type$"
 variable-naming-style = "snake_case"
 module-naming-style = "snake_case"
 inlinevar-naming-style = "any"
diff --git a/python_coderunner/src/coderunner_builder/__init__.py b/python_coderunner/src/coderunner_builder/__init__.py
index 8f26846..b00d7ea 100644
--- a/python_coderunner/src/coderunner_builder/__init__.py
+++ b/python_coderunner/src/coderunner_builder/__init__.py
@@ -1,2 +1,2 @@
-from .interface import ICodeRunnerBuilder
-from .vim_coderunner_builder import TVimCodeRunnerBuilder
+from .interface import ICodeRunnerFactory
+from .vim_coderunner_builder import TVimCodeRunnerFactory
diff --git a/python_coderunner/src/coderunner_builder/interface.py b/python_coderunner/src/coderunner_builder/interface.py
index 23a8b62..7003cc3 100644
--- a/python_coderunner/src/coderunner_builder/interface.py
+++ b/python_coderunner/src/coderunner_builder/interface.py
@@ -4,7 +4,7 @@
 from ..coderunner import TCodeRunner
 
 
-class ICodeRunnerBuilder(ABC):
+class ICodeRunnerFactory(ABC):
     @abstractmethod
-    def build(self) -> Optional[TCodeRunner]:
+    def create(self) -> Optional[TCodeRunner]:
         raise NotImplementedError
diff --git a/python_coderunner/src/coderunner_builder/vim_coderunner_builder.py b/python_coderunner/src/coderunner_builder/vim_coderunner_builder.py
index 75d05f9..f74a100 100644
--- a/python_coderunner/src/coderunner_builder/vim_coderunner_builder.py
+++ b/python_coderunner/src/coderunner_builder/vim_coderunner_builder.py
@@ -24,11 +24,11 @@
 from ..file_info_extractor import TVimFileInfoExtractor
 from ..message_printer import TVimMessagePrinter
 from ..project_info_extractor import TVimProjectInfoExtractor
-from .interface import ICodeRunnerBuilder
+from .interface import ICodeRunnerFactory
 
 
-class TVimCodeRunnerBuilder(ICodeRunnerBuilder):
-    def build(self) -> Optional[TCodeRunner]:
+class TVimCodeRunnerFactory(ICodeRunnerFactory):
+    def create(self) -> Optional[TCodeRunner]:
         config_manager: TVimConfigManager = TVimConfigManager(TVimConfigGetter(), TBasicConfigValidator())
         message_printer: TVimMessagePrinter = TVimMessagePrinter()
 
@@ -42,7 +42,7 @@ def build(self) -> Optional[TCodeRunner]:
             )
 
             command_dispatcher_strategy_selector: TBasicCommandDispatcherStrategySelector = (
-                self._build_command_dispatcher_strategy_selector(
+                self._create_command_dispatcher_strategy_selector(
                     config_manager, file_info_extractor, project_info_extractor
                 )
             )
@@ -61,7 +61,7 @@ def build(self) -> Optional[TCodeRunner]:
 
         return None
 
-    def _build_command_dispatcher_strategy_selector(
+    def _create_command_dispatcher_strategy_selector(
         self,
         config_manager: TVimConfigManager,
         file_info_extractor: TVimFileInfoExtractor,
@@ -71,17 +71,17 @@ def _build_command_dispatcher_strategy_selector(
             file_info_extractor
         )
         file_ext_command_builders_dispatcher: TFileExtCommandBuildersDispatcher = (
-            self._build_file_ext_command_builders_dispatcher(
+            self._create_file_ext_command_builders_dispatcher(
                 config_manager, file_info_extractor, project_info_extractor
             )
         )
         file_type_command_builders_dispatcher: TFileTypeCommandBuildersDispatcher = (
-            self._build_file_type_command_builders_dispatcher(
+            self._create_file_type_command_builders_dispatcher(
                 config_manager, file_info_extractor, project_info_extractor
             )
         )
-        glob_command_builders_dispatcher: TGlobCommandBuildersDispatcher = self._build_glob_command_builders_dispatcher(
-            config_manager, file_info_extractor, project_info_extractor
+        glob_command_builders_dispatcher: TGlobCommandBuildersDispatcher = (
+            self._create_glob_command_builders_dispatcher(config_manager, file_info_extractor, project_info_extractor)
         )
 
         return TBasicCommandDispatcherStrategySelector(
@@ -92,7 +92,7 @@ def _build_command_dispatcher_strategy_selector(
             config_manager=config_manager,
         )
 
-    def _build_file_ext_command_builders_dispatcher(
+    def _create_file_ext_command_builders_dispatcher(
         self,
         config_manager: TVimConfigManager,
         file_info_extractor: TVimFileInfoExtractor,
@@ -106,7 +106,7 @@ def _build_file_ext_command_builders_dispatcher(
             file_info_extractor,
         )
 
-    def _build_file_type_command_builders_dispatcher(
+    def _create_file_type_command_builders_dispatcher(
         self,
         config_manager: TVimConfigManager,
         file_info_extractor: TVimFileInfoExtractor,
@@ -120,7 +120,7 @@ def _build_file_type_command_builders_dispatcher(
             file_info_extractor,
         )
 
-    def _build_glob_command_builders_dispatcher(
+    def _create_glob_command_builders_dispatcher(
         self,
         config_manager: TVimConfigManager,
         file_info_extractor: TVimFileInfoExtractor,
diff --git a/python_coderunner/src/file_info_extractor/__init__.py b/python_coderunner/src/file_info_extractor/__init__.py
index a2f955a..03aaf5d 100644
--- a/python_coderunner/src/file_info_extractor/__init__.py
+++ b/python_coderunner/src/file_info_extractor/__init__.py
@@ -1,2 +1,3 @@
+from .base import TBaseFileInfoExtractor
 from .interface import IFileInfoExtractor
 from .vim_file_info_extractor import TVimFileInfoExtractor
diff --git a/python_coderunner/src/file_info_extractor/base.py b/python_coderunner/src/file_info_extractor/base.py
new file mode 100644
index 0000000..10dfeea
--- /dev/null
+++ b/python_coderunner/src/file_info_extractor/base.py
@@ -0,0 +1,48 @@
+import os
+from abc import abstractmethod
+from typing import Optional
+
+from .interface import IFileInfoExtractor
+
+
+class TBaseFileInfoExtractor(IFileInfoExtractor):
+    def get_dir(self, file_path_abs: str) -> str:
+        dir_path: str = os.path.dirname(file_path_abs)
+        if dir_path and not dir_path.endswith(os.sep):
+            dir_path += os.sep
+        return dir_path
+
+    def get_dir_without_trailing_slash(self, file_path_abs: str) -> str:
+        return os.path.dirname(file_path_abs).rstrip(os.sep)
+
+    def get_drive_letter(self, file_path_abs: str) -> str:
+        drive, _ = os.path.splitdrive(file_path_abs)
+        return drive
+
+    def get_file_ext(self, file_path_abs: str) -> str:
+        base: str = self.get_file_name(file_path_abs)
+        dot_pos: int = base.rfind(".")
+        return base[dot_pos : len(base)].lower() if dot_pos != -1 else ""
+
+    def get_file_name(self, file_path_abs: str) -> str:
+        return os.path.basename(file_path_abs)
+
+    def get_file_name_without_ext(self, file_path_abs: str) -> str:
+        base: str = self.get_file_name(file_path_abs)
+        dot_pos: int = base.rfind(".")
+        return base[:dot_pos] if dot_pos != -1 else base
+
+    @abstractmethod
+    def get_file_type(self, file_path_abs: str) -> Optional[str]:
+        raise NotImplementedError
+
+    def get_shebang(self, file_path_abs: str) -> Optional[str]:
+        if not os.path.exists(file_path_abs):
+            return None
+
+        try:
+            with open(file_path_abs, "r", encoding="utf-8") as fin:
+                first_line: str = fin.readline().strip()
+                return first_line[2:] if first_line.startswith("#!") and not first_line.startswith("#![") else None
+        except (IOError, UnicodeDecodeError):
+            return None
diff --git a/python_coderunner/src/file_info_extractor/interface.py b/python_coderunner/src/file_info_extractor/interface.py
index 6b380bd..8b3c9c1 100644
--- a/python_coderunner/src/file_info_extractor/interface.py
+++ b/python_coderunner/src/file_info_extractor/interface.py
@@ -1,4 +1,3 @@
-import os
 from abc import ABC, abstractmethod
 from typing import Optional
 
@@ -9,43 +8,34 @@ class IFileInfoExtractor(ABC):
     Accepts only file absolute path.
     """
 
+    @abstractmethod
     def get_dir(self, file_path_abs: str) -> str:
-        dir_path: str = os.path.dirname(file_path_abs)
-        if dir_path and not dir_path.endswith(os.sep):
-            dir_path += os.sep
-        return dir_path
+        raise NotImplementedError
 
+    @abstractmethod
     def get_dir_without_trailing_slash(self, file_path_abs: str) -> str:
-        return os.path.dirname(file_path_abs).rstrip(os.sep)
+        raise NotImplementedError
 
+    @abstractmethod
     def get_drive_letter(self, file_path_abs: str) -> str:
-        drive, _ = os.path.splitdrive(file_path_abs)
-        return drive
+        raise NotImplementedError
 
+    @abstractmethod
     def get_file_ext(self, file_path_abs: str) -> str:
-        base: str = self.get_file_name(file_path_abs)
-        dot_pos: int = base.rfind(".")
-        return base[dot_pos : len(base)].lower() if dot_pos != -1 else ""
+        raise NotImplementedError
 
+    @abstractmethod
     def get_file_name(self, file_path_abs: str) -> str:
-        return os.path.basename(file_path_abs)
+        raise NotImplementedError
 
+    @abstractmethod
     def get_file_name_without_ext(self, file_path_abs: str) -> str:
-        base: str = self.get_file_name(file_path_abs)
-        dot_pos: int = base.rfind(".")
-        return base[:dot_pos] if dot_pos != -1 else base
+        raise NotImplementedError
 
     @abstractmethod
     def get_file_type(self, file_path_abs: str) -> Optional[str]:
         raise NotImplementedError
 
+    @abstractmethod
     def get_shebang(self, file_path_abs: str) -> Optional[str]:
-        if not os.path.exists(file_path_abs):
-            return None
-
-        try:
-            with open(file_path_abs, "r", encoding="utf-8") as fin:
-                first_line: str = fin.readline().strip()
-                return first_line[2:] if first_line.startswith("#!") and not first_line.startswith("#![") else None
-        except (IOError, UnicodeDecodeError):
-            return None
+        raise NotImplementedError
diff --git a/python_coderunner/src/file_info_extractor/vim_file_info_extractor.py b/python_coderunner/src/file_info_extractor/vim_file_info_extractor.py
index 0701aed..4e6c5a2 100644
--- a/python_coderunner/src/file_info_extractor/vim_file_info_extractor.py
+++ b/python_coderunner/src/file_info_extractor/vim_file_info_extractor.py
@@ -2,10 +2,10 @@
 
 import vim
 
-from .interface import IFileInfoExtractor
+from .base import TBaseFileInfoExtractor
 
 
-class TVimFileInfoExtractor(IFileInfoExtractor):
+class TVimFileInfoExtractor(TBaseFileInfoExtractor):
     def get_file_type(self, file_path_abs: str) -> Optional[str]:
         file_type: Optional[str] = vim.eval("&filetype")
         return None if not file_type else file_type
diff --git a/python_coderunner/uv.lock b/python_coderunner/uv.lock
index 597eb06..15e0f7a 100644
--- a/python_coderunner/uv.lock
+++ b/python_coderunner/uv.lock
@@ -408,13 +408,12 @@ wheels = [
 
 [[package]]
 name = "vim-code-runner"
-version = "1.0.0"
+version = "1.0.1"
 source = { virtual = "." }
 
 [package.dev-dependencies]
 dev = [
     { name = "commitlint" },
-    { name = "isort" },
     { name = "mypy" },
     { name = "pre-commit" },
     { name = "pylint" },
@@ -424,7 +423,6 @@ dev = [
     { name = "ruff" },
 ]
 pre-commit = [
-    { name = "isort" },
     { name = "mypy" },
     { name = "pre-commit" },
     { name = "pylint" },
@@ -441,7 +439,6 @@ test = [
 [package.metadata.requires-dev]
 dev = [
     { name = "commitlint", specifier = ">=1.3.0" },
-    { name = "isort", specifier = ">=4.3.21" },
     { name = "mypy", specifier = ">=0.910" },
     { name = "pre-commit", specifier = ">=1.21.0" },
     { name = "pylint", specifier = ">=2.6.2" },
@@ -451,7 +448,6 @@ dev = [
     { name = "ruff", specifier = ">=0.12.0" },
 ]
 pre-commit = [
-    { name = "isort", specifier = ">=4.3.21" },
     { name = "mypy", specifier = ">=0.910" },
     { name = "pre-commit", specifier = ">=1.21.0" },
     { name = "pylint", specifier = ">=2.6.2" },