add inference

.github/workflows/pylint.yml

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+name: Python Lint
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.8]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install flake8 yapf isort
+
+    - name: Lint
+      run: |
+        flake8 .
+        isort --check-only --diff basicsr/ options/ scripts/ tests/ inference/ setup.py
+        yapf -r -d basicsr/ options/ scripts/ tests/ inference/ setup.py

.gitignore

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+.vscode
+
+# ignored files
+version.py
+
+# ignored files with suffix
+*.html
+*.png
+*.jpeg
+*.jpg
+*.gif
+*.pth
+*.zip
+
+# template
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/

.pre-commit-config.yaml

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+repos:
+  # flake8
+  - repo: https://github.com/PyCQA/flake8
+    rev: 3.8.3
+    hooks:
+      - id: flake8
+        args: ["--config=setup.cfg", "--ignore=W504, W503"]
+
+  # modify known_third_party
+  - repo: https://github.com/asottile/seed-isort-config
+    rev: v2.2.0
+    hooks:
+      - id: seed-isort-config
+
+  # isort
+  - repo: https://github.com/timothycrosley/isort
+    rev: 5.2.2
+    hooks:
+      - id: isort
+
+  # yapf
+  - repo: https://github.com/pre-commit/mirrors-yapf
+    rev: v0.30.0
+    hooks:
+      - id: yapf
+
+  # pre-commit-hooks
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.2.0
+    hooks:
+      - id: trailing-whitespace  # Trim trailing whitespace
+      - id: check-yaml  # Attempt to load all yaml files to verify syntax
+      - id: check-merge-conflict  # Check for files that contain merge conflict strings
+      - id: double-quote-string-fixer  # Replace double quoted strings with single quoted strings
+      - id: end-of-file-fixer  # Make sure files end in a newline and only a newline
+      - id: requirements-txt-fixer  # Sort entries in requirements.txt and remove incorrect entry for pkg-resources==0.0.0
+      - id: fix-encoding-pragma  # Remove the coding pragma: # -*- coding: utf-8 -*-
+        args: ["--remove"]
+      - id: mixed-line-ending  # Replace or check mixed line ending
+        args: ["--fix=lf"]