31 lines
1013 B
Python
31 lines
1013 B
Python
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import tracemalloc
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from PyPDF2 import PdfReader
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def extract_text_by_page(file_path):
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result = ""
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with open(file_path, 'rb') as file:
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reader =PdfReader(file)
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num_pages = len(reader.pages)
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# print(f"Total pages: {num_pages}")
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for page_num in range(num_pages):
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page = reader.pages[page_num]
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text = page.extract_text()
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return result
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# 开始跟踪内存分配
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tracemalloc.start()
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# 捕捉函数调用前的内存快照
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snapshot_before = tracemalloc.take_snapshot()
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# 调用函数
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file_path=r'C:\Users\Administrator\Desktop\fsdownload\00550cfc-fd33-469e-8272-9215291b175c\ztbfile.pdf'
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result = extract_text_by_page(file_path)
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# 捕捉函数调用后的内存快照
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snapshot_after = tracemalloc.take_snapshot()
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# 比较两个快照，获取内存分配差异信息
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stats = snapshot_after.compare_to(snapshot_before, 'lineno')
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print("[ Top 10 内存变化 ]")
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for stat in stats[:10]:
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print(stat)
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# 停止内存分配跟踪
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tracemalloc.stop()
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