310 lines
11 KiB
Python
310 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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"""
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剪映草稿管理器模块
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"""
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# 列举导入模块
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import hashlib
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import json
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from pathlib import Path
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from random import choice
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import sys
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from pyJianYingDraft import DraftFolder, VideoMaterial
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from caches import Caches
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from drafts import Drafts
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sys.path.append(Path(__file__).parent.parent.as_posix())
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DRAFT_GENERATE_SCHEMES = {
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"存量_纯图_竖版": [
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[
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(
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"按钮",
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{
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"clip_settings": [
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{
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"scale_x": 1.0,
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"scale_y": 1.0,
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},
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], # 剪辑设置
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},
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)
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],
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[
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(
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"底纹",
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{
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"clip_settings": [
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{
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"scale_x": 1.0,
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"scale_y": 1.0,
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},
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], # 剪辑设置
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},
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)
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],
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[
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(
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"箭头",
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{
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"clip_settings": [
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{
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"scale_x": 0.35,
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"scale_y": 0.35,
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"transform_x": 0,
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"transform_y": -0.46,
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},
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], # 剪辑设置
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},
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)
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],
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[
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(
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"提示语",
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{
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"volume": [1.0], # 播放音量
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"clip_settings": [
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{
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"scale_x": 1.0,
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"scale_y": 1.0,
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"transform_x": 0,
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"transform_y": 0.05,
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},
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], # 剪辑设置
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},
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)
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],
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],
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"存量_纯图_横版": [
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[
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(
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"按钮",
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{
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"clip_settings": [
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{
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"scale_x": 1.0,
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"scale_y": 1.0,
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},
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], # 剪辑设置
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},
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)
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],
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[
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(
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"底纹",
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{
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"clip_settings": [
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{
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"scale_x": 1.0,
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"scale_y": 1.0,
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},
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], # 剪辑设置
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},
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)
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],
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],
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}
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class DraftsManager:
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"""
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剪映草稿管理器
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"""
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def __init__(
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self,
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project_name: str,
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drafts_folder_path: str = r"E:\JianYingPro Drafts",
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):
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"""
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初始化剪映草稿管理器
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:param project_name: 项目名称
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:param drafts_folder_path: 剪映草稿文件夹路径，默认为 E:\\JianYingPro Drafts
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"""
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# 项目名称
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self.project_name = project_name
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# 草稿生成方案
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self.draft_generate_scheme: list[list[tuple[str, dict]]] = (
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DRAFT_GENERATE_SCHEMES.get(self.project_name, [])
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)
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if not self.draft_generate_scheme:
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raise RuntimeError(f"未就 {self.project_name} 配置草稿生成方案")
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# 构建此项目素材仓库路径
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self.material_vault_path = Path(rf"E:\jianying\materials\{project_name}")
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# 检查此项目素材仓库是否存在，若不存在则抛出异常
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if not self.material_vault_path.exists():
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raise RuntimeError("素材仓库不存在")
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self.materials: dict[str, list[Path]] = (
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{}
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) # 键为素材文件夹名称，值为素材路径列表
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# 初始化项目素材
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self.init_materials()
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# 构建草稿文件夹路径
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self.drafts_folder_path = Path(drafts_folder_path)
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# 检查草稿文件夹是否存在，若不存在则抛出异常
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if not self.drafts_folder_path.exists():
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raise RuntimeError("草稿文件夹不存在")
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# 初始化草稿文件夹管理器
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self.drafts_folder = DraftFolder(self.drafts_folder_path.as_posix())
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# 实例化缓存（用于检查草稿是否存在缓存，若存在则重新生成）
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self.caches = Caches()
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def init_materials(self) -> None:
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"""
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初始化项目素材
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:return: None
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"""
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# 草稿生成方案第一层为轨道元信息，第二层为片段元信息。其中，轨道元信息包括若干片段元信息；片段元信息包括素材文件夹名称与配置元信息
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for track_metadata in self.draft_generate_scheme:
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for segment_metadata in track_metadata:
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material_folder_name, _ = segment_metadata
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# 构建素材文件夹路径
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material_folder_path = self.material_vault_path / material_folder_name
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# 若素材文件夹不存在则抛出异常
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if not material_folder_path.exists():
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raise RuntimeError(f"素材文件夹 {material_folder_name} 不存在")
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# 遍历素材文件夹内所有素材路径
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self.materials[material_folder_name] = [
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material_path
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for material_path in material_folder_path.glob(
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"*"
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) # 不递归遍历素材文件夹内文件夹
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if material_path.is_file()
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and not material_path.is_symlink()
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and material_path.suffix.lower() in {".mp4", ".mov", ".png"}
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] # 暂仅支持素材路径后缀如上
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for material_folder_name in self.materials.keys():
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# 统计素材文件夹内素材路径后缀数
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suffix_counts = len(
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{p.suffix.lower() for p in self.materials[material_folder_name]}
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)
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if suffix_counts > 1:
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raise RuntimeError(
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f"素材文件夹 {material_folder_name} 内存在多种素材路径后缀"
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)
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def batch_create(
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self,
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draft_counts: int,
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) -> None:
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"""
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批量创建草稿
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:param draft_counts: 草稿数
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:param video_fps: 视频帧率（单位为帧/秒），默认为 30
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:return: 无
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"""
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index = 1 # 草稿索引
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while True:
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draft_generate_scheme: list[dict] = [] # 草稿生成方案
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video_duration = 0 # 视频时长
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for track_idx, track_metadata in enumerate(self.draft_generate_scheme):
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# 生成轨道名称
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track_name = f"track{track_idx:02d}"
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for segment_metadata in track_metadata:
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# 获取素材文件夹名称、配置元信息
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material_folder_name, config_metadata = segment_metadata
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# 随机选择素材路径
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material_path = choice(self.materials[material_folder_name])
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# 初始化片段生成方案
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segment_generate_scheme = {
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"track_name": track_name,
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"material_path": material_path,
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**{k: choice(v) for k, v in config_metadata.items()},
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}
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# 素材路径后缀
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material_path_suffix = material_path.suffix.lower()
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# 若为第一轨道则将所有素材的时长作为视频时长，其他轨道则将第一片段的目标时长设置为视频时长
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if track_idx == 0:
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if material_path_suffix not in [".mp4", ".mov", ".png"]:
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raise RuntimeError(
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f"第一轨道中素材 {material_path.name} 的类型必须为 mp4, mov, png"
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)
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video_duration += VideoMaterial(
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path=material_path.as_posix()
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).duration
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else:
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segment_generate_scheme["target_timerange"] = (
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0,
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video_duration,
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) # 暂仅考虑一个轨道包括一个片段
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# 将片段生成方案添加至草稿生成方案
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draft_generate_scheme.append(segment_generate_scheme)
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# 生成剪映草稿名称
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draft_name = (
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hashlib.md5(
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json.dumps(
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obj=draft_generate_scheme,
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cls=self.caches.JSONEncoder,
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sort_keys=True,
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ensure_ascii=False,
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).encode("utf-8")
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)
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.hexdigest()
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.upper()
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) # MD5哈希值的大写十六进制作为草稿名称
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# 若存在相同草稿名称的缓存则跳过
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if self.caches.has_same_draft_name(draft_name):
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continue
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print(f"正在创建草稿 {draft_name}({index}/{draft_counts})...")
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if "横版" in self.project_name:
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video_width, video_height = 1920, 1080
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else:
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video_width, video_height = 1080, 1920
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# 创建剪映草稿
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draft = Drafts(
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materials_vault_path=self.material_vault_path,
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drafts_folder=self.drafts_folder,
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draft_name=draft_name,
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video_width=video_width,
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video_height=video_height,
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video_fps=30, # 视频帧率（单位为帧/秒），默认为 30
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video_duration=video_duration,
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)
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for segment_generate_scheme in draft_generate_scheme:
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# 获取素材路径后缀
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material_path_suffix = segment_generate_scheme[
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"material_path"
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].suffix.lower()
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# 根据素材路径后缀匹配具体操作
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match material_path_suffix:
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case ".mp4" | ".mov" | ".png":
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print("-> 正在添加视频片段...", end="")
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draft.add_video_segment(**segment_generate_scheme)
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print("已完成")
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print("-> 正在保存草稿...", end="")
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draft.save()
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print("已完成")
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# 缓存草稿名称和所有片段配置
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self.caches.update(
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draft_name,
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draft_generate_scheme,
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)
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print("已完成")
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print()
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index += 1
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if index > draft_counts:
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break
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