58 lines
2.5 KiB
Python
58 lines
2.5 KiB
Python
import os
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from dataclasses import dataclass
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DEFAULT_LIBLIB_TEMPLATE_UUID = "5d7e67009b344550bc1aa6ccbfa1d7f4"
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DEFAULT_MAX_IMAGES_PER_CHAPTER = 2
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DEFAULT_CHARS_PER_EXTRA_IMAGE = 1500
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DEFAULT_MAX_IMAGES_CAP = 8
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DEFAULT_IMAGE_PROVIDER = "liblib"
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DEFAULT_IMAGE_STYLE = "watercolor"
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DEFAULT_IMAGE_SIZE = "1280x720"
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DEFAULT_POLL_INTERVAL_SECONDS = 5
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DEFAULT_MAX_ATTEMPTS = 60
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@dataclass(frozen=True)
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class MemoirImageSettings:
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enabled: bool = False
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max_per_chapter: int = DEFAULT_MAX_IMAGES_PER_CHAPTER
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chars_per_extra_image: int = DEFAULT_CHARS_PER_EXTRA_IMAGE
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max_images_cap: int = DEFAULT_MAX_IMAGES_CAP
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provider: str = DEFAULT_IMAGE_PROVIDER
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default_style: str = DEFAULT_IMAGE_STYLE
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default_size: str = DEFAULT_IMAGE_SIZE
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poll_interval_seconds: int = DEFAULT_POLL_INTERVAL_SECONDS
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max_attempts: int = DEFAULT_MAX_ATTEMPTS
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liblib_template_uuid: str = DEFAULT_LIBLIB_TEMPLATE_UUID
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@classmethod
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def from_env(cls) -> "MemoirImageSettings":
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return cls(
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enabled=os.getenv("MEMOIR_IMAGE_ENABLED", "").lower() in {"1", "true", "yes"},
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max_per_chapter=_get_int_env("MEMOIR_IMAGE_MAX_PER_CHAPTER", DEFAULT_MAX_IMAGES_PER_CHAPTER),
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chars_per_extra_image=_get_int_env("MEMOIR_IMAGE_CHARS_PER_EXTRA", DEFAULT_CHARS_PER_EXTRA_IMAGE),
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max_images_cap=_get_int_env("MEMOIR_IMAGE_MAX_CAP", DEFAULT_MAX_IMAGES_CAP),
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provider=os.getenv("MEMOIR_IMAGE_PROVIDER", DEFAULT_IMAGE_PROVIDER),
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default_style=os.getenv("MEMOIR_IMAGE_STYLE_DEFAULT", DEFAULT_IMAGE_STYLE),
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default_size=os.getenv("MEMOIR_IMAGE_SIZE_DEFAULT", DEFAULT_IMAGE_SIZE),
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poll_interval_seconds=_get_int_env("MEMOIR_IMAGE_POLL_INTERVAL", DEFAULT_POLL_INTERVAL_SECONDS),
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max_attempts=_get_int_env("MEMOIR_IMAGE_MAX_ATTEMPTS", DEFAULT_MAX_ATTEMPTS),
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liblib_template_uuid=os.getenv("LIBLIB_TEMPLATE_UUID") or DEFAULT_LIBLIB_TEMPLATE_UUID,
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)
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def effective_max_images(self, content_length: int) -> int:
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"""根据正文字数动态计算单章允许的最大图片数。"""
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base_max = max(self.max_per_chapter, 0)
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effective_cap = max(self.max_images_cap, base_max)
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safe_length = max(content_length, 0)
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extra = safe_length // self.chars_per_extra_image if self.chars_per_extra_image > 0 else 0
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return min(base_max + extra, effective_cap)
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def _get_int_env(name: str, default: int) -> int:
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value = os.getenv(name, str(default))
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try:
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return int(value)
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except (TypeError, ValueError):
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return default
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