61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
import os
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from docx import Document
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import fitz
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def read_text_from_file(filepath: str, start_page: int = 0, max_chars: int = 3000) -> str:
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ext = os.path.splitext(filepath)[1].lower()
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try:
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if ext == '.pdf':
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doc = fitz.open(filepath)
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if start_page >= len(doc):
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return ""
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text = ""
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for page_num in range(start_page, len(doc)):
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text += doc[page_num].get_text()
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if len(text) >= max_chars:
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break
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return text[:max_chars]
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elif ext == '.docx':
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doc = Document(filepath)
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paragraphs = [para.text.strip() for para in doc.paragraphs if para.text.strip()]
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if not paragraphs:
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return ""
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para_per_page = 20
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if start_page > 0:
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start_index = start_page * para_per_page
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if start_index >= len(paragraphs):
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return ""
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selected_paragraphs = paragraphs[start_index:]
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else:
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selected_paragraphs = paragraphs
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combined_text = "\n".join(selected_paragraphs)
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return combined_text[:max_chars]
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elif ext == '.txt':
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with open(filepath, 'r', encoding='utf-8') as f:
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lines = f.readlines()
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if not lines:
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return ""
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lines_per_page = 40
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if start_page > 0:
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start_index = start_page * lines_per_page
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if start_index >= len(lines):
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return ""
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selected_lines = lines[start_index:]
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else:
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selected_lines = lines
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combined_text = "".join(selected_lines)
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return combined_text[:max_chars]
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else:
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raise Exception(f"Format file tidak didukung: {ext}")
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except Exception as e:
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raise Exception(f"Gagal membaca file {ext.upper()}: {e}")
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