# The 80/20 rule of PDFs def extract_intelligent(pdf_path, strategy="minimal"): if strategy == "minimal": # Just text, no layout return pypdf.PdfReader(pdf_path).pages[0].extract_text() elif strategy == "structured": # Headers, lists, tables return pdfplumber.open(pdf_path).pages[0].extract_text(layout=True) elif strategy == "visual": # Exact replicas with images return fitz.open(pdf_path)[0].get_pixmap().tobytes()
writer.append_pages_from_reader(reader) writer.write("updated.pdf", incremental=True) # The 80/20 rule of PDFs def extract_intelligent(pdf_path,
Modern software development requires tools that balance developer velocity with robust performance. has evolved far beyond a simple scripting language into an enterprise-grade powerhouse. Harnessing its full potential requires mastering structural design patterns, advanced native features, and modern development workflows. Context Managers for Resource Lifecycle
For serverless environments (AWS Lambda, Cloud Functions), set a 512MB limit: For serverless environments (AWS Lambda
Type hints are no longer optional for large projects. Modern Python uses typing.Self , Dataclasses , and structural pattern matching to make code self-documenting and safer.
: Process GBs of PDFs with constant memory usage using Python generators.
from typing import Protocol class Database(Protocol): def save(self, data: dict) -> None: ... class UserService: def __init__(self, db: Database): self.db = db # Injected dependency def register_user(self, user_data: dict): self.db.save(user_data) Use code with caution. 5. Context Managers for Resource Lifecycle