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50 lines
1.9 KiB
Python
50 lines
1.9 KiB
Python
"""工具函数包，提供各种辅助功能"""
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from .date_utils import get_month_range, get_quarter_range, get_year_range, get_date_range
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from .csv_utils import validate_csv, validate_csv_data
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from .logging import log_operation
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from .query_utils import get_paginated_queryset, build_filter_query
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from .view_utils import require_ajax, require_post, get_referer_url, get_int_param
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from .image_utils import generate_thumbnail, save_thumbnail, image_to_base64, resize_image, get_image_dimensions
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import qrcode # 添加qrcode导入
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# 尝试导入barcode_utils中的函数，如果失败则使用barcode_api中的替代实现
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try:
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from .barcode_utils import generate_product_barcode, generate_batch_barcode, generate_qrcode
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except ImportError:
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from .barcode_api import generate_product_barcode_alt as generate_product_barcode
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from .barcode_api import generate_batch_barcode_alt as generate_batch_barcode
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# 使用qrcode库的基本功能作为替代
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def generate_qrcode(content, size=10, box_size=10, border=4):
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qr = qrcode.QRCode(
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version=size,
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error_correction=qrcode.constants.ERROR_CORRECT_L,
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box_size=box_size,
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border=border,
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)
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qr.add_data(content)
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qr.make(fit=True)
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return qr.make_image(fill_color="black", back_color="white")
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__all__ = [
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# 日期工具
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'get_month_range', 'get_quarter_range', 'get_year_range', 'get_date_range',
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# CSV处理工具
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'validate_csv', 'validate_csv_data',
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# 日志工具
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'log_operation',
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# 查询工具
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'get_paginated_queryset', 'build_filter_query',
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# 视图工具
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'require_ajax', 'require_post', 'get_referer_url', 'get_int_param',
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# 图片处理工具
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'generate_thumbnail', 'save_thumbnail', 'image_to_base64', 'resize_image', 'get_image_dimensions',
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# 条码工具
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'generate_product_barcode', 'generate_batch_barcode', 'generate_qrcode',
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] |