scaffold code for lib + cli
This commit is contained in:
rmanach
parent
c2084a5166
commit
f5772f2783
2
.gitignore
vendored
2
.gitignore
vendored
@ -2,6 +2,8 @@
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.ruff_cache
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venv
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venv.dist
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data
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dist
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*.log
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20
Makefile
20
Makefile
@ -1,10 +1,13 @@
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ROOT_DIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
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PYTHON := $(ROOT_DIR)venv/bin/python
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PYTHONCLI := $(ROOT_DIR)venv.dist/bin/python
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SRC_NAME = optimg
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.PHONY: venv
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venv:
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@python3 -m venv venv
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pip install -r requirements-dev.txt
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$(PYTHON) -m pip install -r requirements-dev.txt
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lint:
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$(PYTHON) -m ruff check --fix
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@ -15,4 +18,17 @@ format:
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check-type:
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$(PYTHON) -m mypy .
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check: format lint check-type
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check: format lint check-type
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build: check
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@rm -rf dist/*
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$(PYTHON) -m hatch -v build -t wheel
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install: build
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@python3 -m venv venv.dist
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$(PYTHONCLI) -m pip install dist/$(SRC_NAME)-*.whl --force-reinstall
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documentation:
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$(PYTHON) -m pdoc --html -o docs src/ --force
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@find docs/src/* -type f -exec sed -i 's/src\./$(SRC_NAME)\./g' {} \; -exec sed -i 's/src</$(SRC_NAME)</g' {} \;
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@sed -i 's/<code>src<\/code>/<code>$(SRC_NAME)<\/code>/g' docs/src/index.html
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287
imgopti.py
287
imgopti.py
@ -1,287 +0,0 @@
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import logging
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import mimetypes
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import os
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import subprocess
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import sys
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import time
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from concurrent.futures import ProcessPoolExecutor
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from dataclasses import dataclass, field
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from datetime import datetime as dt
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from enum import Enum, auto
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from typing import Optional
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SRC_PATH = "../users/lea/pictures"
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DEFAULT_MIMETYPE = "unknown"
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DEFAULT_DEST_DIR = "data"
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DEFAULT_NB_WORKERS = 10
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JPEG_MIMETYPE = "image/jpeg"
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PNG_MIMETYPE = "image/png"
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class FileSizeRange(Enum):
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TINY = auto()
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MEDIUM = auto()
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LARGE = auto()
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FAT = auto()
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@classmethod
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def from_size(cls, size: float) -> "FileSizeRange":
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if size < 1:
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return cls.TINY
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if size >= 1 and size < 2:
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return cls.MEDIUM
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if size >= 2 and size < 5:
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return cls.LARGE
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return cls.FAT
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def __str__(self):
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match self:
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case FileSizeRange.TINY:
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return "tiny"
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case FileSizeRange.MEDIUM:
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return "medium"
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case FileSizeRange.LARGE:
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return "large"
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case FileSizeRange.FAT:
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return "fat"
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@dataclass(slots=True, frozen=True)
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class File:
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directory: str
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name: str
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path: str
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mime_type: str
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size: float
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size_range: FileSizeRange
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modified: dt
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@classmethod
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def from_directory(cls, directory: str, name: str) -> "File":
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path = os.path.join(directory, name)
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mtype, _ = mimetypes.guess_type(path)
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mime_type = mtype or DEFAULT_MIMETYPE
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size = os.path.getsize(path) / 1_048_576
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return File(
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directory,
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name,
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path,
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mime_type,
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size,
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FileSizeRange.from_size(size),
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dt.fromtimestamp(os.path.getmtime(path)),
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)
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def __repr__(self):
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return f"<FILE name={self.name} | dir={self.directory} | size={self.size:.2f} Mb | mtype={self.mime_type}>" # noqa
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def _jpeg_opti(self, base_dest_dir: str) -> tuple["File", Optional["File"]] | None:
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# remove ".." avoiding treat file in same dir
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filepath = "/".join(self.path.split("/")[:-1])
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if filepath.startswith(".."):
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filepath = filepath.lstrip("../")
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# replace all spaces in dir name
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dest_dir = os.path.join(base_dest_dir, filepath).replace(" ", "_")
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os.makedirs(dest_dir, exist_ok=True)
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cmd = f"jpegoptim -s -p -q '{self.path}' -d {dest_dir}"
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logging.debug("optimization launched for file: %s -> %s", self, cmd)
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try:
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_ = subprocess.run(cmd, shell=True, check=True)
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except subprocess.CalledProcessError as e:
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logging.error("error while running command: %s, err: %s", cmd, e.output)
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return self, None
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except Exception:
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logging.error(
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"unexpected error while running command: %s", cmd, exc_info=True
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)
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return None
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try:
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f_opti = File.from_directory(dest_dir, self.name)
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except Exception as e:
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logging.debug("unable to get file: %s after optimization: %s", self, e)
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return self, None
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return self, f_opti
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def opti(self, base_dest_dir: str) -> tuple["File", Optional["File"]] | None:
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if self.mime_type == JPEG_MIMETYPE:
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return self._jpeg_opti(base_dest_dir)
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return None
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@dataclass(slots=True)
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class FileGroup:
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mime_type: str
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file_range: FileSizeRange
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files: dict[str, File] = field(default_factory=dict)
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size: float = 0
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_nb_files: int = 0
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def __repr__(self):
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return f"<FILEGROUP mime_type={self.mime_type} | range={self.file_range} | n={self._nb_files} | size={self.size:.2f} Mb>" # noqa
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def __len__(self):
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return self._nb_files
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def add(self, file: File):
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if self.files.get(file.path) is None:
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self.files[file.path] = file
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self._nb_files += 1
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self.size += file.size
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def get_size(self) -> float:
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return self.size
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@staticmethod
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def format_size(size: float) -> str:
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if size < 1000:
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return f"{size:.2f} Mb"
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return f"{size / 1024:.2f} Gb"
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def get_size_formatted(self) -> str:
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return FileGroup.format_size(self.size)
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def get_files(self) -> list[File]:
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return list(self.files.values())
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@dataclass(slots=True, frozen=True)
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class Dir:
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path: str
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nb_files: int
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details: dict[str, dict[FileSizeRange, FileGroup]]
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def show(self):
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data = [f"directory ({self.path}) details:"]
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for mime_type, group in self.details.items():
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nb_files = 0
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size = 0
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to_display = [f"* {mime_type}"]
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for file_range in group.keys():
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file_group = self.details[mime_type][file_range]
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to_display.append(
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f"\t{file_range:<8}{len(file_group):<8}{file_group.get_size_formatted()}"
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)
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nb_files += len(self.details[mime_type][file_range])
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size += file_group.size
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to_display[0] += f" ({FileGroup.format_size(size)})"
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data.append("\n".join(to_display))
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print("\n".join(data))
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@classmethod
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def from_path(cls, path: str) -> "Dir":
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if not os.path.isdir(path):
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raise Exception(f"Dir path: {path} must be a directory")
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nb_files = 0
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details: dict[str, dict[FileSizeRange, FileGroup]] = {}
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for dirpath, _, filenames in os.walk(path):
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for file in filenames:
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file_path = os.path.join(dirpath, file)
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try:
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f = File.from_directory(dirpath, file)
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except OSError as e:
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logging.error("error accessing %s, err: %s", file_path, e)
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continue
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if details.get(f.mime_type) is None:
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details[f.mime_type] = {}
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if details[f.mime_type].get(f.size_range) is None:
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details[f.mime_type][f.size_range] = FileGroup(
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f.mime_type, f.size_range
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)
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details[f.mime_type][f.size_range].add(f)
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nb_files += 1
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return Dir(path, nb_files, details)
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def get_file_group(
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self, mimetype: str, file_size: FileSizeRange
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) -> FileGroup | None:
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if (mt := self.details.get(mimetype)) is not None:
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return mt.get(file_size)
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return None
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def get_files(self) -> list[File]:
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files = []
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for details in self.details.values():
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for file_group in details.values():
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files.extend(file_group.get_files())
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return files
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if __name__ == "__main__":
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stdout_handler = logging.StreamHandler(stream=sys.stdout)
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logging.basicConfig(
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format="[%(levelname)s] - %(asctime)s - %(message)s",
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level=logging.INFO,
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handlers=(stdout_handler,),
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)
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d = Dir.from_path(SRC_PATH)
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d.show()
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os.makedirs(DEFAULT_DEST_DIR, exist_ok=True)
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mtype = JPEG_MIMETYPE
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frange = FileSizeRange.FAT
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nb_workers = DEFAULT_NB_WORKERS
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fg = d.get_file_group(mtype, frange)
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if fg is None:
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logging.error(
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"no files found for mimetype: %s and file size range: %s", mtype, frange
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)
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exit(1)
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logging.info(
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"launching optimization (%d) for %s and range %s on %d workers...",
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len(fg),
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mtype,
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frange,
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nb_workers,
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)
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start = time.perf_counter()
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with ProcessPoolExecutor(nb_workers) as p:
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futures = [p.submit(f.opti, DEFAULT_DEST_DIR) for f in fg.get_files()]
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fg_opti = FileGroup(mtype, frange)
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optimized = 0
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for f in futures:
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if (res := f.result()) and res is not None:
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match res:
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case (orig, None):
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logging.debug(f"no optimization for file: {orig}")
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fg_opti.add(orig)
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case (orig, opti):
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optimized += 1
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logging.debug(
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f"optimization for file: {orig} -> {(1 - (opti.size / orig.size)) * 100:.2f}%" # noqa
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)
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fg_opti.add(opti)
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logging.info(f"optimization finished in {time.perf_counter() - start:.2f}s")
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percent = (1 - (fg_opti.size / fg.size)) * 100
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size_gained = fg.size - fg_opti.size
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logging.info(
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f"total optimization ({optimized}/{len(fg)}): {percent:.2f}% -> {size_gained:.2f} Mb" # noqa
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)
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@ -1,8 +1,27 @@
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[build-system]
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requires = ["hatchling"]
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build-backend = "hatchling.build"
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[project]
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name = "imgopti"
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name = "optimg"
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dynamic = ["version"]
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authors = []
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requires-python = ">= 3.10"
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description = "Optimize JPEG and PNG files from a directory."
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dependencies = []
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[project.scripts]
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optimg = "optimg.__main__:main"
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[tool.hatch.version]
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path = "src/__init__.py"
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[tool.hatch.build.targets.wheel]
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packages = ["src"]
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[tool.hatch.build.targets.sdist]
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only-include = ["src"]
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[tool.hatch.build.targets.wheel.sources]
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"src" = "optimg"
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[tool.ruff.lint]
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select = ["E", "F", "I"]
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@ -23,4 +42,4 @@ max-complexity = 10
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exclude = [
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"venv",
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]
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ignore_missing_imports = true
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ignore_missing_imports = true
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@ -1,2 +1,5 @@
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mypy==1.18.2
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ruff==0.14.1
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ruff==0.14.1
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hatch==1.12.0
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pdoc3==0.11.6
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twine==6.2.0
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1
src/__init__.py
Normal file
1
src/__init__.py
Normal file
@ -0,0 +1 @@
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VERSION = "0.1.0"
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142
src/__main__.py
Normal file
142
src/__main__.py
Normal file
@ -0,0 +1,142 @@
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import argparse
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import logging
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import os
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import sys
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import time
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from concurrent.futures import ProcessPoolExecutor
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from .files import Directory, FileGroup, FileImgMimetype, FileSizeRange
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DEFAULT_DEST_DIR = "data"
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def main():
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stdout_handler = logging.StreamHandler(stream=sys.stdout)
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logging.basicConfig(
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format="[%(levelname)s] - %(asctime)s - %(message)s",
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level=logging.INFO,
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handlers=(stdout_handler,),
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)
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parser = argparse.ArgumentParser(
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"optimg", description="Optimize JPEG and PNG files from a directory."
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)
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parser.add_argument("src", type=str, help="Directory path to scan.")
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parser.add_argument(
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"--mimetype",
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type=str,
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choices=FileImgMimetype._member_names_,
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default=None,
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help="Filter by mimetype. Default is all.",
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)
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parser.add_argument(
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"--size",
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type=str,
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choices=FileSizeRange._member_names_,
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default=None,
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help="Filter by file size. Default is all.",
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)
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parser.add_argument(
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"--dest",
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type=str,
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help="Base destination directory of optimized files.",
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)
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parser.add_argument(
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"--workers",
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type=int,
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default=4,
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help="Number of workers used to optimize files.",
|
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)
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parser.add_argument(
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"--show",
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action="store_true",
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default=False,
|
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help="Details the directory by mimetypes and quit.",
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)
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parser.add_argument(
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"--debug",
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action="store_true",
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||||
default=False,
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help="Set log level to debug. Default is info.",
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||||
)
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args = parser.parse_args()
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if args.debug:
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logging.root.setLevel(logging.DEBUG)
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logging.debug("set debug mode on")
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try:
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directory = Directory.from_path(args.src)
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except Exception as e:
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logging.error(e)
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exit(1)
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if args.show:
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directory.show()
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exit(0)
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try:
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mimetype = (
|
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FileImgMimetype.from_str(args.mimetype)
|
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if args.mimetype is not None
|
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else None
|
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)
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size_range = (
|
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FileSizeRange.from_str(args.size) if args.size is not None else None
|
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)
|
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except Exception as e:
|
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logging.error(f"unexpected error occurred while parsing arguments: {e}")
|
||||
exit(1)
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||||
|
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nb_workers = args.workers
|
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dest_dir = args.dest or DEFAULT_DEST_DIR
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os.makedirs(dest_dir, exist_ok=True)
|
||||
|
||||
fg = directory.get_file_group(mimetype, size_range)
|
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if not len(fg):
|
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logging.info(
|
||||
"no files found for mimetype: %s and file size range: %s",
|
||||
mimetype,
|
||||
size_range,
|
||||
)
|
||||
exit(0)
|
||||
|
||||
logging.info(
|
||||
"launching optimization (%d) for type: %s and size range: %s on %d workers...",
|
||||
len(fg),
|
||||
mimetype.value if mimetype is not None else "all",
|
||||
size_range.value if size_range is not None else "all",
|
||||
nb_workers,
|
||||
)
|
||||
|
||||
start = time.perf_counter()
|
||||
|
||||
with ProcessPoolExecutor(nb_workers) as p:
|
||||
futures = [p.submit(f.opti, dest_dir) for f in fg.get_files()]
|
||||
|
||||
fg_opti = FileGroup()
|
||||
optimized = 0
|
||||
for f in futures:
|
||||
if (res := f.result()) and res is not None:
|
||||
match res:
|
||||
case (orig, None):
|
||||
logging.debug(f"no optimization for file: {orig}")
|
||||
fg_opti.add(orig)
|
||||
case (orig, opti):
|
||||
optimized += 1
|
||||
logging.debug(
|
||||
f"optimization for file: {orig} -> {(1 - (opti.size / orig.size)) * 100:.2f}%" # noqa
|
||||
)
|
||||
fg_opti.add(opti)
|
||||
|
||||
logging.info(f"optimization finished in {time.perf_counter() - start:.2f}s")
|
||||
|
||||
percent = (1 - (fg_opti._size / fg._size)) * 100
|
||||
size_gained = fg._size - fg_opti._size
|
||||
logging.info(
|
||||
f"total optimization ({optimized}/{len(fg)}): {percent:.2f}% -> {size_gained:.2f} Mb" # noqa
|
||||
)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
255
src/files.py
Normal file
255
src/files.py
Normal file
@ -0,0 +1,255 @@
|
||||
import logging
|
||||
import mimetypes
|
||||
import os
|
||||
import subprocess
|
||||
from dataclasses import dataclass, field
|
||||
from datetime import datetime as dt
|
||||
from enum import Enum
|
||||
from typing import Optional
|
||||
|
||||
DEFAULT_MIMETYPE = "unknown"
|
||||
|
||||
|
||||
class FileImgMimetype(Enum):
|
||||
JPEG = "image/jpeg"
|
||||
PNG = "image/png"
|
||||
|
||||
@classmethod
|
||||
def from_str(cls, value: str) -> "FileImgMimetype":
|
||||
match value.upper():
|
||||
case FileImgMimetype.JPEG.name:
|
||||
return FileImgMimetype.JPEG
|
||||
case FileImgMimetype.PNG.name:
|
||||
return FileImgMimetype.PNG
|
||||
raise Exception(f"unable to parse file img mimetype: {value}")
|
||||
|
||||
|
||||
class FileSizeRange(Enum):
|
||||
TINY = "TINY"
|
||||
MEDIUM = "MEDIUM"
|
||||
LARGE = "LARGE"
|
||||
FAT = "FAT"
|
||||
|
||||
@classmethod
|
||||
def from_str(cls, value: str) -> "FileSizeRange":
|
||||
match value.upper():
|
||||
case FileSizeRange.TINY.name:
|
||||
return FileSizeRange.TINY
|
||||
case FileSizeRange.MEDIUM.name:
|
||||
return FileSizeRange.MEDIUM
|
||||
case FileSizeRange.LARGE.name:
|
||||
return FileSizeRange.LARGE
|
||||
case FileSizeRange.FAT.name:
|
||||
return FileSizeRange.FAT
|
||||
raise Exception(f"unable to parse file size range: {value}")
|
||||
|
||||
@classmethod
|
||||
def from_size(cls, size: float) -> "FileSizeRange":
|
||||
if size < 1:
|
||||
return cls.TINY
|
||||
|
||||
if size >= 1 and size < 2:
|
||||
return cls.MEDIUM
|
||||
|
||||
if size >= 2 and size < 5:
|
||||
return cls.LARGE
|
||||
|
||||
return cls.FAT
|
||||
|
||||
|
||||
@dataclass(slots=True, frozen=True)
|
||||
class File:
|
||||
directory: str
|
||||
name: str
|
||||
path: str
|
||||
mimetype: str
|
||||
size: float
|
||||
modified: dt
|
||||
|
||||
@classmethod
|
||||
def from_directory(cls, directory: str, name: str) -> "File":
|
||||
path = os.path.join(directory, name)
|
||||
|
||||
mimetype, _ = mimetypes.guess_type(path)
|
||||
mimetype = mimetype or DEFAULT_MIMETYPE
|
||||
|
||||
size = os.path.getsize(path) / 1_048_576
|
||||
|
||||
return File(
|
||||
directory,
|
||||
name,
|
||||
path,
|
||||
mimetype,
|
||||
size,
|
||||
dt.fromtimestamp(os.path.getmtime(path)),
|
||||
)
|
||||
|
||||
def __repr__(self):
|
||||
return f"<FILE name={self.name} | dir={self.directory} | size={self.size:.2f} Mb | mimetype={self.mimetype}>" # noqa
|
||||
|
||||
def _jpeg_opti(self, base_dest_dir: str) -> tuple["File", Optional["File"]] | None:
|
||||
# remove ".." avoiding treat file in same dir
|
||||
filepath = "/".join(self.path.split("/")[:-1])
|
||||
if filepath.startswith(".."):
|
||||
filepath = filepath.lstrip("..")
|
||||
|
||||
# replace all spaces in dir name for readability
|
||||
dest_dir = os.path.join(base_dest_dir, filepath.lstrip("/")).replace(" ", "_")
|
||||
os.makedirs(dest_dir, exist_ok=True)
|
||||
|
||||
cmd = f"jpegoptim -s -p -q '{self.path}' -d {dest_dir}"
|
||||
logging.debug("optimization launched for file: %s -> %s", self, cmd)
|
||||
try:
|
||||
_ = subprocess.run(cmd, shell=True, check=True)
|
||||
except subprocess.CalledProcessError as e:
|
||||
logging.error("error while running command: %s, err: %s", cmd, e.output)
|
||||
return None
|
||||
except Exception:
|
||||
logging.error(
|
||||
"unexpected error while running command: %s", cmd, exc_info=True
|
||||
)
|
||||
return None
|
||||
|
||||
try:
|
||||
f_opti = File.from_directory(dest_dir, self.name)
|
||||
except Exception as e:
|
||||
logging.debug("unable to get file: %s after optimization: %s", self, e)
|
||||
return self, None
|
||||
|
||||
return self, f_opti
|
||||
|
||||
def opti(self, base_dest_dir: str) -> tuple["File", Optional["File"]] | None:
|
||||
if self.mimetype == FileImgMimetype.JPEG.value:
|
||||
return self._jpeg_opti(base_dest_dir)
|
||||
return None
|
||||
|
||||
|
||||
@dataclass(slots=True)
|
||||
class FileGroup:
|
||||
_files: dict[str, File] = field(default_factory=dict)
|
||||
_size: float = 0
|
||||
_nb_files: int = 0
|
||||
|
||||
def __repr__(self):
|
||||
return f"<FILEGROUP n={self._nb_files} | size={self._size:.2f} Mb>" # noqa
|
||||
|
||||
def __len__(self):
|
||||
return self._nb_files
|
||||
|
||||
def add(self, file: File):
|
||||
if self._files.get(file.path) is None:
|
||||
self._files[file.path] = file
|
||||
self._nb_files += 1
|
||||
self._size += file.size
|
||||
|
||||
def get_size(self) -> float:
|
||||
return self._size
|
||||
|
||||
def join(self, right: "FileGroup"):
|
||||
for filepath, file in right._files.items():
|
||||
if self._files.get(filepath) is None:
|
||||
self._files[filepath] = file
|
||||
self._size += file.size
|
||||
self._nb_files += 1
|
||||
|
||||
@staticmethod
|
||||
def format_size(size: float) -> str:
|
||||
if size < 1000:
|
||||
return f"{size:.2f} Mb"
|
||||
return f"{size / 1024:.2f} Gb"
|
||||
|
||||
def get_size_formatted(self) -> str:
|
||||
return FileGroup.format_size(self._size)
|
||||
|
||||
def get_files(self) -> list[File]:
|
||||
return list(self._files.values())
|
||||
|
||||
|
||||
@dataclass(slots=True, frozen=True)
|
||||
class Directory:
|
||||
path: str
|
||||
nb_files: int
|
||||
details: dict[str, dict[FileSizeRange, FileGroup]]
|
||||
|
||||
def __len__(self):
|
||||
return self.nb_files
|
||||
|
||||
def show(self):
|
||||
data = [f"directory ({self.path}) details:"]
|
||||
|
||||
for mimetype, group in self.details.items():
|
||||
nb_files = 0
|
||||
size = 0
|
||||
to_display = [f"* {mimetype}"]
|
||||
|
||||
for file_range in group.keys():
|
||||
file_group = self.details[mimetype][file_range]
|
||||
to_display.append(
|
||||
f"\t{file_range.value:<8}{len(file_group):<8}{file_group.get_size_formatted()}"
|
||||
)
|
||||
nb_files += len(self.details[mimetype][file_range])
|
||||
size += file_group._size
|
||||
|
||||
to_display[0] += f" ({FileGroup.format_size(size)})"
|
||||
|
||||
data.append("\n".join(to_display))
|
||||
|
||||
print("\n".join(data))
|
||||
|
||||
@classmethod
|
||||
def from_path(cls, path: str) -> "Directory":
|
||||
if not os.path.isdir(path):
|
||||
raise Exception(f"Directory path: {path} must be a directory")
|
||||
|
||||
nb_files = 0
|
||||
details: dict[str, dict[FileSizeRange, FileGroup]] = {}
|
||||
for dirpath, _, filenames in os.walk(path):
|
||||
for file in filenames:
|
||||
file_path = os.path.join(dirpath, file)
|
||||
try:
|
||||
f = File.from_directory(dirpath, file)
|
||||
except OSError as e:
|
||||
logging.error("error accessing %s, err: %s", file_path, e)
|
||||
continue
|
||||
|
||||
if details.get(f.mimetype) is None:
|
||||
details[f.mimetype] = {}
|
||||
|
||||
size_range = FileSizeRange.from_size(f.size)
|
||||
if details[f.mimetype].get(size_range) is None:
|
||||
details[f.mimetype][size_range] = FileGroup()
|
||||
|
||||
details[f.mimetype][size_range].add(f)
|
||||
nb_files += 1
|
||||
|
||||
return Directory(path, nb_files, details)
|
||||
|
||||
def get_file_group(
|
||||
self,
|
||||
mimetype: FileImgMimetype | None = None,
|
||||
size_range: FileSizeRange | None = None,
|
||||
) -> FileGroup:
|
||||
file_group = FileGroup()
|
||||
match (mimetype, size_range):
|
||||
case (None, None):
|
||||
file_group = self.get_all()
|
||||
case (mimetype, None):
|
||||
if dict_file_range := self.details.get(mimetype.value): # type: ignore
|
||||
for fg in dict_file_range.values():
|
||||
file_group.join(fg)
|
||||
case (None, size_range):
|
||||
for dict_file_range in self.details.values():
|
||||
if fg := dict_file_range.get(size_range): # type: ignore
|
||||
file_group.join(fg)
|
||||
case (mimetype, size_range):
|
||||
if dict_file_range := self.details.get(mimetype.value):
|
||||
if fg := dict_file_range.get(size_range): # type: ignore
|
||||
file_group.join(fg)
|
||||
return file_group
|
||||
|
||||
def get_all(self) -> FileGroup:
|
||||
file_group = FileGroup()
|
||||
for details in self.details.values():
|
||||
for fg in details.values():
|
||||
file_group.join(fg)
|
||||
return file_group
|
||||
Loading…
x
Reference in New Issue
Block a user