v3
This commit is contained in:
jpmvaz
@@ -0,0 +1,427 @@
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#!/usr/bin/env python3
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"""
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Folder Compressor using 7-Zip
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- Select a single folder to compress, OR
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- Compress all folders one by one automatically
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Uses 7-Zip store mode (no compression) for maximum speed.
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Real-time progress bar shown during each compression job.
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"""
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import os
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import re
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import sys
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import shutil
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import subprocess
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import time
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from pathlib import Path
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from dataclasses import dataclass
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# ── Terminal color helpers ────────────────────────────────────────────────────
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SUPPORTS_COLOR = (
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sys.stdout.isatty()
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and (sys.platform != "win32" or os.environ.get("WT_SESSION") or os.environ.get("TERM"))
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)
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def _c(code: str, text: str) -> str:
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return f"\033[{code}m{text}\033[0m" if SUPPORTS_COLOR else text
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def green(t): return _c("32", t)
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def yellow(t): return _c("33", t)
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def cyan(t): return _c("36", t)
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def bold(t): return _c("1", t)
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def dim(t): return _c("2", t)
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def red(t): return _c("31", t)
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def magenta(t): return _c("35", t)
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# ── Size / time formatters ────────────────────────────────────────────────────
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def fmt_size(b: float) -> str:
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for unit in ("B", "KB", "MB", "GB", "TB"):
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if b < 1024:
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return f"{b:.1f} {unit}"
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b /= 1024
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return f"{b:.1f} PB"
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def fmt_time(seconds: float) -> str:
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s = int(seconds)
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if s < 60:
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return f"{s}s"
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m, s = divmod(s, 60)
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if m < 60:
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return f"{m}m {s:02d}s"
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h, m = divmod(m, 60)
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return f"{h}h {m:02d}m {s:02d}s"
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# ── Folder size calculator ────────────────────────────────────────────────────
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def folder_size(path: Path) -> int:
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total = 0
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for root, _, files in os.walk(path):
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for f in files:
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try:
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total += os.path.getsize(os.path.join(root, f))
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except OSError:
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pass
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return total
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# ── 7-Zip locator ─────────────────────────────────────────────────────────────
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def find_7zip() -> str | None:
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for name in ("7z", "7za", "7zz", "7zip"):
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path = shutil.which(name)
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if path:
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return path
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if sys.platform == "win32":
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for p in (
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r"C:\Program Files\7-Zip\7z.exe",
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r"C:\Program Files (x86)\7-Zip\7z.exe",
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):
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if os.path.isfile(p):
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return p
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return None
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# ── Folder listing ────────────────────────────────────────────────────────────
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def list_folders(base_dir: str) -> list[Path]:
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base = Path(base_dir)
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return sorted(
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(e for e in base.iterdir() if e.is_dir()),
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key=lambda p: p.name.lower(),
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)
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# ── Mode + folder selection menu ─────────────────────────────────────────────
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def prompt_mode_and_selection(folders: list[Path]) -> list[Path]:
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"""
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Print the folder list then ask the user what to do:
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A — compress ALL folders sequentially
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1…N — compress a single specific folder
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Returns the list of folders to compress (one or all).
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"""
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print("\nAvailable folders:\n")
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for i, folder in enumerate(folders, start=1):
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try:
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sz = folder_size(folder)
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size_label = dim(f" ({fmt_size(sz)})")
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except PermissionError:
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size_label = dim(" (no access)")
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print(f" {dim(f'[{i:>3}]')} {folder.name}{size_label}")
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print()
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print(f" {dim('[ A]')} {bold('Compress ALL folders one by one')}")
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print()
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while True:
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try:
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raw = input("Enter a folder number or A to compress all: ").strip().upper()
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if raw == "A":
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print(f"\n {green('✔')} Mode: {bold('Compress all folders sequentially')}")
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return list(folders)
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idx = int(raw)
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if 1 <= idx <= len(folders):
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chosen = folders[idx - 1]
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print(f"\n {green('✔')} Mode: {bold('Single folder')} → {chosen.name}")
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return [chosen]
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print(f" Please enter a number between 1 and {len(folders)}, or A.")
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except ValueError:
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print(" Invalid input — enter a number or A.")
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except (EOFError, KeyboardInterrupt):
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print("\nAborted.")
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sys.exit(0)
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# ── Progress bar renderer ─────────────────────────────────────────────────────
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BAR_WIDTH = 36
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_PROGRESS_RE = re.compile(r"(\d{1,3})%(?:\s+(\d+)\s*\+?\s*(.*))?")
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# Split on backspaces (\x08, Linux/macOS) or carriage returns (\r, Windows)
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_SPLIT_RE = re.compile(rb"[\x08\r]+")
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def _move_up(n: int):
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if SUPPORTS_COLOR:
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sys.stdout.write(f"\033[{n}A")
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def _clear_line():
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if SUPPORTS_COLOR:
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sys.stdout.write("\033[2K\r")
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else:
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sys.stdout.write("\r" + " " * 78 + "\r")
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def _redraw(pct: int, elapsed: float, files_done: int,
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current_file: str, speed_bps: float):
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filled = int(BAR_WIDTH * pct / 100)
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bar = "█" * filled + "░" * (BAR_WIDTH - filled)
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color = green if pct == 100 else cyan
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speed_s = f"{fmt_size(speed_bps)}/s" if speed_bps > 0 else "─"
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_move_up(2)
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_clear_line()
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sys.stdout.write(
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f" {color(bar)} {bold(f'{pct:>3}%')}"
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f" {dim('elapsed')} {dim(fmt_time(elapsed))}"
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f" {yellow(speed_s)}"
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f" {dim(f'files: {files_done}')}\n"
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)
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_clear_line()
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label = current_file.strip() or "starting…"
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if len(label) > 60:
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label = "…" + label[-59:]
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sys.stdout.write(f" {dim('↳ ' + label)}\n")
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sys.stdout.flush()
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# ── Result record ─────────────────────────────────────────────────────────────
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@dataclass
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class JobResult:
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folder: Path
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archive: Path | None
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src_size: int
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arc_size: int
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elapsed: float
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avg_speed: float
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success: bool
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error: str = ""
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# ── Single compression job ────────────────────────────────────────────────────
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def compress_folder(seven_zip: str, folder: Path, output_dir: Path,
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job_label: str = "") -> JobResult:
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archive_path = output_dir / (folder.name + ".7z")
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if job_label:
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print(f"\n{job_label}")
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print(f"\n {dim('Calculating source size…')} ", end="", flush=True)
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src_size = folder_size(folder)
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print(fmt_size(src_size))
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cmd = [
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seven_zip,
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"a",
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"-t7z",
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"-mx=0",
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"-ms=off",
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"-bsp1",
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str(archive_path),
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str(folder),
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]
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print(f"\n {dim('Command: ' + ' '.join(cmd))}")
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print()
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print(" " + "─" * 64)
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print()
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print()
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start_time = time.monotonic()
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files_done = 0
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current_file = ""
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speed_bps = 0.0
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last_bytes = 0.0
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speed_ts = start_time
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proc = subprocess.Popen(
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cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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)
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buf = b""
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while True:
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chunk = proc.stdout.read(256)
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if not chunk:
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break
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buf += chunk
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elapsed = time.monotonic() - start_time
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segments = _SPLIT_RE.split(buf)
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buf = segments[-1]
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for seg in segments[:-1]:
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text = seg.decode("utf-8", errors="replace").strip()
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if not text:
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continue
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m = _PROGRESS_RE.search(text)
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if m:
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pct = min(int(m.group(1)), 100)
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files_done = int(m.group(2)) if m.group(2) else files_done
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fname = (m.group(3) or "").strip()
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if fname:
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current_file = fname
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if src_size > 0 and pct > 0:
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bytes_done = src_size * pct / 100
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now = time.monotonic()
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dt = now - speed_ts
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if dt >= 0.4:
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speed_bps = (bytes_done - last_bytes) / dt
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last_bytes = bytes_done
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speed_ts = now
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_redraw(pct, elapsed, files_done, current_file, speed_bps)
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proc.wait()
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elapsed_total = time.monotonic() - start_time
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if proc.returncode == 0:
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_redraw(100, elapsed_total, files_done, current_file, speed_bps)
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print()
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print(" " + "─" * 64)
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if proc.returncode == 0:
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arc_size = archive_path.stat().st_size
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avg_speed = src_size / elapsed_total if elapsed_total > 0 else 0
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print(f"\n {green('✅ Archive created successfully!')}")
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print(f" {bold('Path')} : {archive_path}")
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print(f" {bold('Source')} : {fmt_size(src_size)}")
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print(f" {bold('Archive')} : {fmt_size(arc_size)}")
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print(f" {bold('Time')} : {fmt_time(elapsed_total)}")
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print(f" {bold('Avg speed')}: {fmt_size(avg_speed)}/s")
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return JobResult(
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folder=folder, archive=archive_path,
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src_size=src_size, arc_size=arc_size,
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elapsed=elapsed_total, avg_speed=avg_speed,
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success=True,
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)
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else:
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msg = f"7-Zip exited with code {proc.returncode}"
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print(f"\n {red(f'❌ {msg}')}")
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return JobResult(
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folder=folder, archive=None,
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src_size=src_size, arc_size=0,
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elapsed=elapsed_total, avg_speed=0,
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success=False, error=msg,
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)
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# ── Batch summary ─────────────────────────────────────────────────────────────
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def print_batch_summary(results: list[JobResult]):
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succeeded = [r for r in results if r.success]
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failed = [r for r in results if not r.success]
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total_src = sum(r.src_size for r in results)
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total_arc = sum(r.arc_size for r in results)
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total_t = sum(r.elapsed for r in results)
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width = 66
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print()
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print(" " + "═" * width)
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print(f" {bold('BATCH SUMMARY')} — {len(results)} folder(s) processed")
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print(" " + "═" * width)
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for r in results:
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icon = green("✅") if r.success else red("❌")
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label = r.folder.name
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if len(label) > 38:
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label = label[:35] + "…"
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if r.success:
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detail = f"{fmt_size(r.src_size)} → {fmt_time(r.elapsed)} @ {fmt_size(r.avg_speed)}/s"
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else:
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detail = red(r.error)
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print(f" {icon} {label:<38} {dim(detail)}")
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print(" " + "─" * width)
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print(f" {bold('Total source size')} : {fmt_size(total_src)}")
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print(f" {bold('Total archive size')}: {fmt_size(total_arc)}")
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print(f" {bold('Total time')} : {fmt_time(total_t)}")
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if total_t > 0:
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avg = total_src / total_t
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print(f" {bold('Overall avg speed')} : {fmt_size(avg)}/s")
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if failed:
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print()
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print(f" {red(f'⚠ {len(failed)} job(s) failed:')}")
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for r in failed:
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print(f" • {r.folder.name} — {r.error}")
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print(" " + "═" * width)
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print()
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# ── Entry point ───────────────────────────────────────────────────────────────
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def main():
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scan_dir = os.path.abspath(sys.argv[1] if len(sys.argv) > 1 else os.getcwd())
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if not os.path.isdir(scan_dir):
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print(f"Error: '{scan_dir}' is not a valid directory.")
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sys.exit(1)
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print(f"\n{bold('📦 Folder Compressor')}")
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print(f" Scanning: {cyan(scan_dir)}\n")
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seven_zip = find_7zip()
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if not seven_zip:
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print(
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f"\n{red('❌ 7-Zip not found.')}\n"
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" Install it and make sure '7z' (or '7za') is on your PATH.\n"
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" • Linux : sudo apt install p7zip-full\n"
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" • macOS : brew install p7zip\n"
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" • Windows: https://www.7-zip.org/download.html"
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)
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sys.exit(1)
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print(f" {green('✔')} 7-Zip: {dim(seven_zip)}")
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folders = list_folders(scan_dir)
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if not folders:
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print(f"\nNo sub-folders found in '{scan_dir}'.")
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sys.exit(0)
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targets = prompt_mode_and_selection(folders)
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batch = len(targets) > 1
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results: list[JobResult] = []
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for i, folder in enumerate(targets, start=1):
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label = ""
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if batch:
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label = (
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f"\n {magenta(f'[{i}/{len(targets)}]')} "
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f"{bold(folder.name)}"
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f" {dim('─' * max(0, 44 - len(folder.name)))}"
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)
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result = compress_folder(seven_zip, folder, folder.parent, job_label=label)
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results.append(result)
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# In batch mode, allow Ctrl+C between jobs to abort remaining work
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if batch and i < len(targets):
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try:
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time.sleep(0) # yield to allow KeyboardInterrupt to surface
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except KeyboardInterrupt:
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print(f"\n {yellow('⚠ Batch interrupted by user.')}")
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break
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if batch:
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print_batch_summary(results)
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else:
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print()
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if __name__ == "__main__":
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main()
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Reference in New Issue
Block a user