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7z seq compression working

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This commit is contained in:
Nathan
2025-11-10 11:27:44 -07:00
parent 83b5e62266
commit a506c09a49
5 changed files with 13933 additions and 100 deletions
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13769
.specstory/history/2025-11-10_16-59Z-change-compression-method-to-7z.md
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File diff suppressed because it is too large Load Diff

10
UnzipSeqArchv.bat
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@@ -1,5 +1,5 @@
@echo off
setlocal EnableExtensions
setlocal EnableExtensions EnableDelayedExpansion
set "REN_DIR=%~dp0"
for %%I in ("%REN_DIR%..") do set "PROJ_ROOT=%%~fI"
@@ -31,12 +31,12 @@ if not defined PY_SCRIPT (
pushd "%PROJ_ROOT%" >nul 2>&1
python "%PY_SCRIPT%" --mode expand --verbose %*
set "ERR=%ERRORLEVEL%"
set "ERR=!ERRORLEVEL!"
if not "%ERR%"=="0" (
echo Failed to expand render sequence archives (exit code %ERR%).
if not "!ERR!"=="0" (
echo Failed to expand render sequence archives (exit code !ERR!).
)
popd >nul 2>&1
exit /b %ERR%
exit /b !ERR!

10
ZipSeqArchv.bat
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@@ -1,5 +1,5 @@
@echo off
setlocal EnableExtensions
setlocal EnableExtensions EnableDelayedExpansion
set "REN_DIR=%~dp0"
for %%I in ("%REN_DIR%..") do set "PROJ_ROOT=%%~fI"
@@ -31,12 +31,12 @@ if not defined PY_SCRIPT (
pushd "%PROJ_ROOT%" >nul 2>&1
python "%PY_SCRIPT%" --verbose %*
set "ERR=%ERRORLEVEL%"
set "ERR=!ERRORLEVEL!"
if not "%ERR%"=="0" (
echo Failed to update render sequence archives (exit code %ERR%).
if not "!ERR!"=="0" (
echo Failed to update render sequence archives (exit code !ERR!).
)
popd >nul 2>&1
exit /b %ERR%
exit /b !ERR!

8
outline.txt
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@@ -1,8 +0,0 @@
new script named UpgradeToGitProj. this is to be ran in a project structure that was pre-git.
1. appends gitignore and gitattributes, initializes git, and installs git lfs
- If already initialized, will this just error but continue?
2. Manages Renders folder:
a. creates folder, adding NewDaily and UpdateSeq scripts
b. scans the structure within blends\animations and creates a folder for each submodule, e.g. Horizontal, Shorts, Vertical, etc. If there are no submodules, it just grabs the daily_* folders.
c. For each daily_* folder, it copies the contents of each daily_*\seq\ folder into the Renders\submodule\ folder. If it's taking daily_* folders from the root, it just copies the contents of the daily_*\seq\ folder into the Renders\ folder.

164
zip_sequences.py
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@@ -33,7 +33,6 @@ SEQUENCE_EXTENSIONS = {
".exr",
}
STATE_SUFFIX = ".meta.json"
CONFIG_PATH = Path(__file__).resolve().with_name("config.json")
DEFAULT_CONFIG = {
"zipper": "7z",
"compression": 9,
@@ -42,24 +41,34 @@ DEFAULT_CONFIG = {
def load_config() -> dict:
try:
text = CONFIG_PATH.read_text(encoding="utf-8")
except FileNotFoundError:
return DEFAULT_CONFIG.copy()
except OSError:
return DEFAULT_CONFIG.copy()
# First try to load from project's .config folder (current working directory)
# Then fall back to ProjectStructure repo config (next to zip_sequences.py)
cwd = Path.cwd()
project_config = cwd / ".config" / "config.json"
repo_config = Path(__file__).resolve().with_name("config.json")
config_paths = [
("project", project_config),
("repo", repo_config),
]
for source, config_path in config_paths:
try:
if config_path.exists():
text = config_path.read_text(encoding="utf-8")
try:
data = json.loads(text)
except json.JSONDecodeError:
return DEFAULT_CONFIG.copy()
if not isinstance(data, dict):
return DEFAULT_CONFIG.copy()
if isinstance(data, dict):
merged = DEFAULT_CONFIG.copy()
merged.update(data)
return merged
except json.JSONDecodeError:
continue
except OSError:
continue
# If no config found, return defaults
return DEFAULT_CONFIG.copy()
CONFIG = load_config()
@@ -69,6 +78,7 @@ if isinstance(zipper_val, bool):
ZIPPER_TYPE = "7z" if zipper_val else "zip"
else:
ZIPPER_TYPE = str(zipper_val).lower()
COMPRESSION_LEVEL = CONFIG.get("compression", 9)
if isinstance(COMPRESSION_LEVEL, str):
try:
@@ -82,8 +92,6 @@ COMPRESSION_LEVEL = max(0, min(9, COMPRESSION_LEVEL))
SEVEN_Z_EXE: str | None = None
if ZIPPER_TYPE == "7z":
SEVEN_Z_EXE = shutil.which("7z") or shutil.which("7za")
if SEVEN_Z_EXE is None:
print("[zip] Warning: 7z compression requested but no 7z executable was found in PATH.", file=sys.stderr)
def parse_args() -> argparse.Namespace:
@@ -179,7 +187,8 @@ def state_changed(seq_state: dict, stored_state: dict | None) -> bool:
def archive_path_for(seq_dir: Path) -> Path:
rel = seq_dir.relative_to(RENDER_ROOT)
return (ARCHIVE_ROOT / rel).with_suffix(".zip")
suffix = ".7z" if ZIPPER_TYPE == "7z" else ".zip"
return (ARCHIVE_ROOT / rel).with_suffix(suffix)
def sequence_dir_for(zip_path: Path) -> Path:
@@ -194,15 +203,21 @@ def state_path_for(zip_path: Path) -> Path:
def zip_sequence(seq_dir: Path, zip_path: Path) -> None:
if ZIPPER_TYPE == "7z":
if SEVEN_Z_EXE is None:
raise RuntimeError("7z compression requested but 7z executable not found in PATH")
raise RuntimeError(
"7z compression requested but 7z executable not found in PATH. "
"Please install 7z (e.g., via Chocolatey: choco install 7zip) "
"or set zipper to 'zip' in config.json"
)
zip_path.parent.mkdir(parents=True, exist_ok=True)
# Remove existing zip file if it exists to avoid corruption issues
if zip_path.exists():
try:
zip_path.unlink()
except OSError:
# If deletion fails, try to overwrite with -aoa flag
pass
# If creating a .7z file, remove any existing .zip file for the same sequence
if zip_path.suffix == ".7z":
old_zip_path = zip_path.with_suffix(".zip")
if old_zip_path.exists():
old_zip_path.unlink(missing_ok=True)
old_state_path = state_path_for(old_zip_path)
if old_state_path.exists():
old_state_path.unlink(missing_ok=True)
# Build list of files to archive with relative paths
file_list = []
@@ -213,9 +228,14 @@ def zip_sequence(seq_dir: Path, zip_path: Path) -> None:
if not file_list:
raise RuntimeError(f"No files found to archive in {seq_dir}")
# Use a temporary list file to avoid Windows command line length limits
# Create zip in temporary location first to avoid issues with corrupted existing files
temp_zip = None
list_file_path = None
try:
# Create temporary archive file path (but don't create the file - let 7z create it)
temp_zip_path = tempfile.mktemp(suffix=".7z", dir=zip_path.parent)
temp_zip = Path(temp_zip_path)
# Create list file with absolute path
fd, temp_path = tempfile.mkstemp(suffix=".lst", text=True)
list_file_path = Path(temp_path)
@@ -227,18 +247,18 @@ def zip_sequence(seq_dir: Path, zip_path: Path) -> None:
# File is closed here by context manager, small delay to ensure OS releases handle
time.sleep(0.1)
# Use absolute path for list file in 7z command
# Use absolute paths for both list file and temp zip
list_file_abs = list_file_path.resolve()
# Use -aoa to overwrite all files, -bb0 to suppress progress output
temp_zip_abs = temp_zip.resolve()
# Create archive in temp location first (7z will create it fresh)
cmd = [
SEVEN_Z_EXE,
"a",
"-y",
"-aoa", # Overwrite all existing files
"-bb0", # Suppress progress output
f"-mx={COMPRESSION_LEVEL}",
"-tzip",
str(zip_path),
"-t7z", # Use 7z format, not zip
str(temp_zip_abs),
f"@{list_file_abs}",
]
result = subprocess.run(
@@ -254,7 +274,19 @@ def zip_sequence(seq_dir: Path, zip_path: Path) -> None:
if result.stdout:
error_msg += f"\nstdout: {result.stdout.strip()}"
raise RuntimeError(f"7z compression failed: {error_msg}")
# Move temp zip to final location, replacing any existing file
if zip_path.exists():
zip_path.unlink()
temp_zip.replace(zip_path)
temp_zip = None # Mark as moved so we don't delete it
finally:
# Clean up temp zip if it wasn't moved
if temp_zip and temp_zip.exists():
try:
temp_zip.unlink(missing_ok=True)
except OSError:
pass
# Clean up list file, with retry in case 7z still has it open
if list_file_path and list_file_path.exists():
for attempt in range(3):
@@ -270,7 +302,8 @@ def zip_sequence(seq_dir: Path, zip_path: Path) -> None:
pass
return
# Use zipfile (ZIPPER_TYPE == "zip" or fallback)
# Use zipfile (only if ZIPPER_TYPE == "zip")
if ZIPPER_TYPE == "zip":
from zipfile import ZIP_DEFLATED, ZIP_STORED, ZipFile
zip_path.parent.mkdir(parents=True, exist_ok=True)
@@ -284,6 +317,14 @@ def zip_sequence(seq_dir: Path, zip_path: Path) -> None:
with ZipFile(zip_path, "w", compression=compression, **zip_kwargs) as archive:
for file_path in iter_sequence_files(seq_dir):
archive.write(file_path, arcname=file_path.relative_to(seq_dir).as_posix())
return
# Unknown ZIPPER_TYPE - fail with clear error
raise RuntimeError(
f"Unsupported ZIPPER_TYPE: {ZIPPER_TYPE!r}. "
f"Expected '7z' or 'zip'. "
f"Config zipper value: {CONFIG.get('zipper', 'not set')!r}"
)
def expand_sequence(zip_path: Path, seq_state: dict) -> None:
@@ -294,7 +335,10 @@ def expand_sequence(zip_path: Path, seq_state: dict) -> None:
if ZIPPER_TYPE == "7z":
if SEVEN_Z_EXE is None:
raise RuntimeError("7z extraction requested but 7z executable not found in PATH")
raise RuntimeError(
"7z extraction requested but 7z executable not found in PATH. "
"Please install 7z or set zipper to 'zip' in config.json"
)
cmd = [
SEVEN_Z_EXE,
"x",
@@ -302,12 +346,29 @@ def expand_sequence(zip_path: Path, seq_state: dict) -> None:
str(zip_path),
f"-o{target_dir}",
]
subprocess.run(cmd, check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
else:
result = subprocess.run(
cmd,
check=False,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=True,
)
if result.returncode != 0:
error_msg = result.stderr.strip() if result.stderr else "Unknown error"
if result.stdout:
error_msg += f"\nstdout: {result.stdout.strip()}"
raise RuntimeError(f"7z extraction failed: {error_msg}")
elif ZIPPER_TYPE == "zip":
from zipfile import ZipFile
with ZipFile(zip_path, "r") as archive:
archive.extractall(target_dir)
else:
raise RuntimeError(
f"Unsupported ZIPPER_TYPE: {ZIPPER_TYPE!r}. "
f"Expected '7z' or 'zip'. "
f"Config zipper value: {CONFIG.get('zipper', 'not set')!r}"
)
for entry in seq_state.get("files", []):
file_path = target_dir / entry["path"]
@@ -336,11 +397,34 @@ def run_zip(worker_count: int, *, verbose: bool) -> int:
if not seq_state["files"]:
continue
# Get the target archive path (will be .7z if ZIPPER_TYPE is "7z")
zip_path = archive_path_for(seq_dir)
state_path = state_path_for(zip_path)
stored_state = load_state(state_path)
# Check if we need to upgrade from .zip to .7z
old_zip_path = None
if ZIPPER_TYPE == "7z":
# Check if an old .zip file exists
old_zip_path = zip_path.with_suffix(".zip")
if old_zip_path.exists():
# Check if the old .zip's metadata matches current state
old_state_path = state_path_for(old_zip_path)
old_stored_state = load_state(old_state_path)
if not state_changed(seq_state, old_stored_state):
# Old .zip is up to date, skip conversion
continue
# Old .zip is out of date, will be replaced with .7z
# Check if the target archive (e.g., .7z) already exists and is up to date
stored_state = load_state(state_path)
if not state_changed(seq_state, stored_state):
# Target archive is up to date, but we might still need to clean up old .zip
if old_zip_path and old_zip_path.exists():
# Old .zip exists but we have a newer .7z, remove the old one
old_zip_path.unlink(missing_ok=True)
old_state_path = state_path_for(old_zip_path)
if old_state_path.exists():
old_state_path.unlink(missing_ok=True)
continue
work_items.append((seq_dir, zip_path, state_path, seq_state))
@@ -394,7 +478,10 @@ def run_expand(worker_count: int, *, verbose: bool) -> int:
work_items: list[tuple[Path, dict]] = []
for zip_path in ARCHIVE_ROOT.rglob("*.zip"):
# Look for both .zip and .7z archives
archive_patterns = ["*.zip", "*.7z"]
for pattern in archive_patterns:
for zip_path in ARCHIVE_ROOT.rglob(pattern):
state_path = state_path_for(zip_path)
seq_state = load_state(state_path)
if seq_state is None:
@@ -437,7 +524,10 @@ def cleanup_orphan_archives(*, verbose: bool) -> int:
removed: list[Path] = []
for zip_path in ARCHIVE_ROOT.rglob("*.zip"):
# Look for both .zip and .7z archives
archive_patterns = ["*.zip", "*.7z"]
for pattern in archive_patterns:
for zip_path in ARCHIVE_ROOT.rglob(pattern):
seq_dir = sequence_dir_for(zip_path)
if seq_dir.exists():
continue