95 lines
3.3 KiB
Python
95 lines
3.3 KiB
Python
# core/pipeline.py
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import os
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import tempfile
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import shutil
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from core.archive import detect_real_format, extract_archive, repack_as_cbz, ArchiveError
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from core.collision import CollisionPolicy, resolve_collision
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from core.result import ComicResult, StepResult
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from processors.validator import validate_archive
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from processors.cleaner import clean_directory
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from processors.converter import needs_conversion, conversion_step_result
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class Pipeline:
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def __init__(
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self,
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steps: list,
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desired_format: str = "cbz",
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collision_policy: str = CollisionPolicy.ABORT,
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dry_run: bool = False,
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):
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self.steps = steps
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self.desired_format = desired_format
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self.collision_policy = collision_policy
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self.dry_run = dry_run
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def run(self, path: str) -> ComicResult:
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step_results = []
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# 1. Validar siempre, antes de extraer
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val = validate_archive(path)
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step_results.append(val)
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if val.errors:
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return ComicResult(original_path=path, final_path=None, steps=step_results)
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real_format = detect_real_format(path)
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# 2. Extraer una sola vez
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temp_dir = tempfile.mkdtemp()
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try:
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extract_archive(path, temp_dir)
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# 3. Aplicar cada step sobre el directorio temporal
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any_changed = False
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if "clean" in self.steps:
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clean_result = clean_directory(temp_dir)
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step_results.append(clean_result)
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if clean_result.changed:
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any_changed = True
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if "convert" in self.steps:
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conv_result = conversion_step_result(real_format, self.desired_format)
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step_results.append(conv_result)
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if conv_result.errors:
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return ComicResult(
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original_path=path, final_path=None, steps=step_results
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)
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if conv_result.changed:
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any_changed = True
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# 4. Reempaquetar si hubo cambios o conversión de formato
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needs_repack = any_changed or (
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"convert" in self.steps
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and needs_conversion(real_format, self.desired_format)
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)
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if not needs_repack:
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return ComicResult(
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original_path=path, final_path=path, steps=step_results
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)
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base, _ = os.path.splitext(path)
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target_path = f"{base}.{self.desired_format}"
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if not self.dry_run:
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safe_target = resolve_collision(target_path, self.collision_policy)
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repack_as_cbz(temp_dir, safe_target)
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# Eliminar original si el nombre cambió
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if safe_target != path and os.path.exists(path):
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os.remove(path)
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else:
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safe_target = target_path
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except (ArchiveError, FileExistsError, OSError) as exc:
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step_results.append(
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StepResult(step="repack", changed=False, errors=[str(exc)])
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)
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return ComicResult(original_path=path, final_path=None, steps=step_results)
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finally:
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shutil.rmtree(temp_dir, ignore_errors=True)
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return ComicResult(original_path=path, final_path=safe_target, steps=step_results)
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