Support up to 3.14 and drop 3.9 and lower

.github/workflows/cd.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
-        python-version: '3.8.x'
+        python-version: '3.10.x'
     - name: Install Poetry
       uses: abatilo/actions-poetry@v2.3.0
       with:

.github/workflows/ci.yml

@@ -12,12 +12,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
 
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install poetry

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "pymp4"
-version = "1.4.0"
+version = "1.5.0"
 description = "Python parser for MP4 boxes"
 authors = ["beardypig <git@beardypig.com>"]
 license = "Apache-2.0"
@@ -23,7 +23,7 @@ classifiers = [
 ]
 
 [tool.poetry.dependencies]
-python = ">=3.7,<4.0"
+python = ">=3.10,<4.0"
 construct = "2.8.8"
 
 [tool.poetry.group.dev.dependencies]

src/pymp4/__init__.py

@@ -1 +1,5 @@
+import collections
+import collections.abc
 
+if not hasattr(collections, "Sequence"):
+    collections.Sequence = collections.abc.Sequence

src/pymp4/cli.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-from __future__ import print_function
 import io
 import logging
 import argparse

src/pymp4/parser.py

@@ -30,7 +30,7 @@ class PrefixedIncludingSize(Subconstruct):
     __slots__ = ["name", "lengthfield", "subcon"]
 
     def __init__(self, lengthfield, subcon):
-        super(PrefixedIncludingSize, self).__init__(subcon)
+        super().__init__(subcon)
         self.lengthfield = lengthfield
 
     def _parse(self, stream, context, path):
@@ -799,7 +799,7 @@ def _encode(self, obj, context):
 
 class TellMinusSizeOf(Subconstruct):
     def __init__(self, subcon):
-        super(TellMinusSizeOf, self).__init__(subcon)
+        super().__init__(subcon)
         self.flagbuildnone = True
 
     def _parse(self, stream, context, path):

src/pymp4/util.py

@@ -22,7 +22,7 @@
 log = logging.getLogger(__name__)
 
 
-class BoxUtil(object):
+class BoxUtil:
     @classmethod
     def first(cls, box, type_):
         if box.type == type_: