feat: Set up comprehensive Python testing infrastructure

.gitignore

@@ -28,4 +28,64 @@ Wan2.1-T2V-14B/
 Wan2.1-T2V-1.3B/
 Wan2.1-I2V-14B-480P/
 Wan2.1-I2V-14B-720P/
-Phantom-Wan-1.3B/
+Phantom-Wan-1.3B/
+
+# Testing
+.pytest_cache/
+.coverage
+htmlcov/
+coverage.xml
+*.cover
+*.py.cover
+.hypothesis/
+.tox/
+.nox/
+.cache
+nosetests.xml
+coverage/
+
+# Claude
+.claude/
+
+# Virtual environments
+venv/
+.venv/
+env/
+ENV/
+env.bak/
+venv.bak/
+.python-version
+
+# IDE and editors
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.project
+.pydevproject
+.settings/
+
+# Build artifacts
+build/
+dist/
+*.egg-info/
+*.egg
+eggs/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+
+# MyPy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/

pyproject.toml

@@ -0,0 +1,172 @@
+[tool.poetry]
+name = "phantom-wan"
+version = "0.1.0"
+description = "Phantom - Subject-Consistent Video Generation with Wan2.1"
+authors = ["Phantom Contributors"]
+readme = "README.md"
+packages = [{include = "phantom_wan"}]
+
+[tool.poetry.dependencies]
+python = "^3.10"
+torch = ">=2.4.0"
+torchvision = ">=0.19.0"
+opencv-python = ">=4.9.0.80"
+diffusers = ">=0.31.0"
+transformers = ">=4.49.0"
+tokenizers = ">=0.20.3"
+accelerate = ">=1.1.1"
+tqdm = "*"
+imageio = "*"
+easydict = "*"
+ftfy = "*"
+dashscope = "*"
+imageio-ffmpeg = "*"
+flash-attn = {version = "*", optional = true}
+gradio = ">=5.0.0"
+numpy = ">=1.23.5,<2"
+xfuser = ">=0.4.1"
+
+[tool.poetry.extras]
+cuda = ["flash-attn"]
+
+[tool.poetry.group.dev.dependencies]
+pytest = "^8.0.0"
+pytest-cov = "^5.0.0"
+pytest-mock = "^3.14.0"
+pytest-xdist = "^3.6.0"
+pytest-timeout = "^2.3.0"
+black = "^24.0.0"
+isort = "^5.13.0"
+flake8 = "^7.0.0"
+mypy = "^1.10.0"
+pre-commit = "^3.7.0"
+
+[tool.poetry.scripts]
+test = "pytest:main"
+tests = "pytest:main"
+
+[tool.pytest.ini_options]
+minversion = "8.0"
+testpaths = ["tests"]
+python_files = ["test_*.py", "*_test.py", "tests.py"]
+python_classes = ["Test*", "*Tests"]
+python_functions = ["test_*", "*_test"]
+addopts = [
+    "-ra",
+    "--strict-markers",
+    "--strict-config",
+    "--tb=short",
+    "--maxfail=1",
+    "-v",
+]
+markers = [
+    "unit: Unit tests",
+    "integration: Integration tests",
+    "slow: Slow running tests",
+    "gpu: Tests requiring GPU",
+    "network: Tests requiring network access",
+]
+filterwarnings = [
+    "error",
+    "ignore::UserWarning",
+    "ignore::DeprecationWarning",
+]
+norecursedirs = [".git", ".tox", "dist", "build", "*.egg", "__pycache__"]
+
+[tool.coverage.run]
+source = ["phantom_wan"]
+branch = true
+parallel = true
+omit = [
+    "*/tests/*",
+    "*/test_*",
+    "*/__init__.py",
+    "*/setup.py",
+    "*/conftest.py",
+    "*/.venv/*",
+    "*/venv/*",
+    "*/site-packages/*",
+]
+
+[tool.coverage.report]
+precision = 2
+show_missing = true
+skip_covered = false
+fail_under = 80
+exclude_lines = [
+    "pragma: no cover",
+    "def __repr__",
+    "def __str__",
+    "raise AssertionError",
+    "raise NotImplementedError",
+    "if __name__ == .__main__.:",
+    "if TYPE_CHECKING:",
+    "if typing.TYPE_CHECKING:",
+    "@abstractmethod",
+    "@abc.abstractmethod",
+    "except ImportError:",
+    "except KeyError:",
+    "except BaseException:",
+    "if self.debug:",
+    "if settings.DEBUG",
+    "pass",
+]
+
+[tool.coverage.html]
+directory = "htmlcov"
+
+[tool.coverage.xml]
+output = "coverage.xml"
+
+[tool.isort]
+profile = "black"
+multi_line_output = 3
+include_trailing_comma = true
+force_grid_wrap = 0
+use_parentheses = true
+ensure_newline_before_comments = true
+line_length = 88
+skip_gitignore = true
+known_first_party = ["phantom_wan"]
+
+[tool.black]
+line-length = 88
+target-version = ['py38', 'py39', 'py310', 'py311']
+include = '\.pyi?$'
+extend-exclude = '''
+/(
+  # directories
+  \.eggs
+  | \.git
+  | \.hg
+  | \.mypy_cache
+  | \.tox
+  | \.venv
+  | build
+  | dist
+)/
+'''
+
+[tool.mypy]
+python_version = "3.8"
+warn_return_any = true
+warn_unused_configs = true
+disallow_untyped_defs = false
+disallow_incomplete_defs = false
+check_untyped_defs = true
+disallow_untyped_decorators = false
+no_implicit_optional = true
+warn_redundant_casts = true
+warn_unused_ignores = true
+warn_no_return = true
+warn_unreachable = true
+strict_equality = true
+ignore_missing_imports = true
+pretty = true
+show_error_codes = true
+show_error_context = true
+show_column_numbers = true
+
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"