MAINT: Update requirements + mypy fixes (#2275)

Author: MartinThoma

.pre-commit-config.yaml

@@ -1,7 +1,7 @@
 # pre-commit run --all-files
 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: v4.5.0
     hooks:
     -   id: check-ast
     -   id: check-byte-order-marker
@@ -18,7 +18,7 @@ repos:
     -   id: check-added-large-files
         args: ['--maxkb=1000']
 -   repo: https://github.com/psf/black
-    rev: 23.9.1
+    rev: 23.10.1
     hooks:
     -   id: black
         args: [--target-version, py36]
@@ -29,12 +29,12 @@ repos:
         additional_dependencies: [black==22.1.0]
         exclude: "docs/user/robustness.md"
 -   repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.0.290
+    rev: v0.1.3
     hooks:
     -   id: ruff
         args: ['--fix']
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v3.12.0
+    rev: v3.15.0
     hooks:
     -   id: pyupgrade
         args: [--py36-plus]
@@ -45,7 +45,7 @@ repos:
         args: ["--ignore", "E,W,F"]
 
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: 'v1.5.1'
+    rev: 'v1.6.1'
     hooks:
       - id: mypy
         additional_dependencies: [types-Pillow==10.0.0.2]

docs/user/merging-pdfs.md

@@ -131,7 +131,7 @@ It means that you may copy lots of objects which will be saved in the output PDF
 In order to prevent this, you can provide the list of fields in the dictionaries to be ignored:
 
 ```python
-new_page  = writer.add_page(reader.pages[0], excluded_fields=["/B"])
+new_page = writer.add_page(reader.pages[0], excluded_fields=["/B"])
 ```
 
 ### Merging rotated pages

make_release.py

@@ -197,7 +197,9 @@ def get_formatted_changes(git_tag: str) -> Tuple[str, str]:
     for commit in commits:
         if commit.prefix not in grouped:
             grouped[commit.prefix] = []
-        grouped[commit.prefix].append({"msg": commit.message, "author": commit.author_login})
+        grouped[commit.prefix].append(
+            {"msg": commit.message, "author": commit.author_login}
+        )
 
     # Order prefixes
     order = [
@@ -240,9 +242,7 @@ def get_formatted_changes(git_tag: str) -> Tuple[str, str]:
         output_with_user += tmp
         for commit in grouped[prefix]:
             output += f"- {commit['msg']}\n"
-            output_with_user += (
-                f"- {commit['msg']} by @{commit['author']}\n"
-            )
+            output_with_user += f"- {commit['msg']} by @{commit['author']}\n"
         del grouped[prefix]
 
     if grouped:
@@ -357,7 +357,11 @@ def parse_commit_line(line: str, authors: Dict[str, str]) -> Change:
         prefix = "DOC"
 
     return Change(
-        commit_hash=commit_hash, prefix=prefix, message=message, author=author, author_login=author_login
+        commit_hash=commit_hash,
+        prefix=prefix,
+        message=message,
+        author=author,
+        author_login=author_login,
     )
 
 

pypdf/_utils.py

@@ -32,6 +32,7 @@
 import functools
 import logging
 import re
+import sys
 import warnings
 from dataclasses import dataclass
 from datetime import datetime, timezone
@@ -51,10 +52,10 @@
     overload,
 )
 
-try:
+if sys.version_info[:2] >= (3, 10):
     # Python 3.10+: https://www.python.org/dev/peps/pep-0484/
     from typing import TypeAlias
-except ImportError:
+else:
     from typing_extensions import TypeAlias
 
 from .errors import (

pypdf/_xobj_image_helpers.py

@@ -1,5 +1,6 @@
 """Code in here is only used by pypdf.filters._xobj_to_image"""
 
+import sys
 from io import BytesIO
 from typing import Any, List, Tuple, Union, cast
 
@@ -14,12 +15,17 @@
     NullObject,
 )
 
-try:
-    from typing import Literal, TypeAlias
-except ImportError:
+if sys.version_info[:2] >= (3, 8):
+    from typing import Literal
+else:
     # PEP 586 introduced typing.Literal with Python 3.8
     # For older Python versions, the backport typing_extensions is necessary:
-    from typing_extensions import Literal, TypeAlias  # type: ignore[assignment]
+    from typing_extensions import Literal  # type: ignore[assignment]
+
+if sys.version_info[:2] >= (3, 10):
+    from typing import TypeAlias
+else:
+    from typing_extensions import TypeAlias
 
 
 try:
@@ -70,22 +76,28 @@ def _get_imagemode(
         color_space = color_space[1]
         if isinstance(color_space, IndirectObject):
             color_space = color_space.get_object()
-        mode2, invert_color = _get_imagemode(color_space, color_components, prev_mode, depth + 1)
+        mode2, invert_color = _get_imagemode(
+            color_space, color_components, prev_mode, depth + 1
+        )
         if mode2 in ("RGB", "CMYK"):
             mode2 = "P"
         return mode2, invert_color
     elif color_space[0] == "/Separation":
         color_space = color_space[2]
         if isinstance(color_space, IndirectObject):
             color_space = color_space.get_object()
-        mode2, invert_color = _get_imagemode(color_space, color_components, prev_mode, depth + 1)
+        mode2, invert_color = _get_imagemode(
+            color_space, color_components, prev_mode, depth + 1
+        )
         return mode2, True
     elif color_space[0] == "/DeviceN":
         color_components = len(color_space[1])
         color_space = color_space[2]
         if isinstance(color_space, IndirectObject):  # pragma: no cover
             color_space = color_space.get_object()
-        mode2, invert_color = _get_imagemode(color_space, color_components, prev_mode, depth + 1)
+        mode2, invert_color = _get_imagemode(
+            color_space, color_components, prev_mode, depth + 1
+        )
         return mode2, invert_color
 
     mode_map = {

pypdf/annotations/_markup_annotations.py

@@ -1,3 +1,4 @@
+import sys
 from abc import ABC
 from typing import TYPE_CHECKING, Any, List, Optional, Tuple, Union
 
@@ -14,9 +15,9 @@
 from ..generic._utils import hex_to_rgb
 from ._base import NO_FLAGS, AnnotationDictionary
 
-try:
+if sys.version_info[:2] >= (3, 10):
     from typing import TypeAlias
-except ImportError:
+else:
     # PEP 613 introduced typing.TypeAlias with Python 3.10
     # For older Python versions, the backport typing_extensions is necessary:
     from typing_extensions import TypeAlias

pypdf/types.py

@@ -1,17 +1,18 @@
 """Helpers for working with PDF types."""
 
+import sys
 from typing import List, Union
 
-try:
+if sys.version_info[:2] >= (3, 8):
     # Python 3.8+: https://peps.python.org/pep-0586
     from typing import Literal
-except ImportError:
+else:
     from typing_extensions import Literal  # type: ignore[assignment]
 
-try:
+if sys.version_info[:2] >= (3, 10):
     # Python 3.10+: https://www.python.org/dev/peps/pep-0484/
     from typing import TypeAlias
-except ImportError:
+else:
     from typing_extensions import TypeAlias
 
 from .generic._base import NameObject, NullObject, NumberObject

requirements/dev.txt

@@ -1,6 +1,6 @@
 #
-# This file is autogenerated by pip-compile with Python 3.7
-# by the following command:
+# This file is autogenerated by pip-compile with python 3.7
+# To update, run:
 #
 #    pip-compile requirements/dev.in
 #
@@ -12,7 +12,7 @@ certifi==2023.7.22
     # via requests
 cfgv==3.3.1
     # via pre-commit
-charset-normalizer==3.3.0
+charset-normalizer==3.3.1
     # via requests
 click==8.1.7
     # via
@@ -70,7 +70,7 @@ pre-commit==2.17.0
     # via -r requirements/dev.in
 pyproject-hooks==1.0.0
     # via build
-pytest==7.4.2
+pytest==7.4.3
     # via pytest-cov
 pytest-cov==4.1.0
     # via -r requirements/dev.in
@@ -96,9 +96,9 @@ typing-extensions==4.7.1
     #   black
     #   importlib-metadata
     #   platformdirs
-urllib3==2.0.6
+urllib3==2.0.7
     # via requests
-virtualenv==20.24.5
+virtualenv==20.24.6
     # via pre-commit
 wheel==0.41.2
     # via

requirements/docs.txt

@@ -8,11 +8,11 @@ alabaster==0.7.13
     # via sphinx
 attrs==23.1.0
     # via -r requirements/docs.in
-babel==2.13.0
+babel==2.13.1
     # via sphinx
 certifi==2023.7.22
     # via requests
-charset-normalizer==3.3.0
+charset-normalizer==3.3.1
     # via requests
 docutils==0.17.1
     # via
@@ -81,7 +81,7 @@ typing-extensions==4.7.1
     # via
     #   importlib-metadata
     #   markdown-it-py
-urllib3==2.0.6
+urllib3==2.0.7
     # via requests
 zipp==3.15.0
     # via importlib-metadata

tests/test_encryption.py

@@ -343,6 +343,7 @@ def test_aes_decrypt_corrupted_data():
     for num in [0, 17, 32]:
         aes.decrypt(secrets.token_bytes(num))
 
+
 def test_encrypt_stream_dictionary(pdf_file_path):
     user_password = secrets.token_urlsafe(10)
 
@@ -353,9 +354,9 @@ def test_encrypt_stream_dictionary(pdf_file_path):
     writer = PdfWriter()
     writer.add_page(reader.pages[0])
     writer.encrypt(
-       user_password=user_password,
-       owner_password=None,
-       algorithm="RC4-128",
+        user_password=user_password,
+        owner_password=None,
+        algorithm="RC4-128",
     )
     with open(pdf_file_path, "wb") as output_stream:
         writer.write(output_stream)