Creating a PancakeSwap clone script to develop your own DeFi platform within a week can be a complex task that requires technical expertise and careful planning. However, I can provide you with a general outline of the steps involved in creating a PancakeSwap clone. Keep in mind that this is a simplified overview, and you may need to consult with a professional developer or development team to ensure a successful implementation. Here's a general roadmap:

Define your requirements: Determine the specific features and functionalities you want to include in your PancakeSwap clone. This may include liquidity pools, token swaps, yield farming, staking, and other DeFi-related components.

Choose a blockchain platform: Select the blockchain platform you want to build your DeFi platform on. PancakeSwap is built on the Binance Smart Chain (BSC), but you can choose other platforms like Ethereum, TRON, or others based on your preferences and requirements.

Set up the development environment: Install the necessary development tools, such as a code editor, a smart contract development framework (e.g., Truffle for Ethereum), and a local blockchain network for testing (e.g., Ganache).

Smart contract development: Start developing the smart contracts that power your DeFi platform. This includes contracts for token creation, liquidity pools, token swaps, staking, yield farming, and any other features you've identified. You may need to write and test multiple smart contracts to handle different functionalities.

Front-end development: Create a user-friendly interface for your DeFi platform. This involves designing and implementing web pages that allow users to interact with the smart contracts. You can use popular front-end frameworks like React, Vue.js, or Angular.

Integration with blockchain: Connect your front-end interface with the smart contracts on the blockchain. Use web3.js or other blockchain libraries to interact with the contracts and fetch data from the blockchain network.

Liquidity pool setup: Set up liquidity pools on your chosen blockchain platform. Liquidity providers can deposit tokens into these pools, allowing users to swap tokens and provide liquidity.

Testing and security audit: Thoroughly test your platform to identify and fix any bugs or vulnerabilities. Consider getting a security audit from a professional to ensure the safety of your platform and users' funds.

Deployment: Deploy your smart contracts and front-end interface to a public or private blockchain network. Ensure that you have proper hosting and infrastructure in place to handle the expected user traffic.

Maintenance and updates: Continuously monitor your DeFi platform for any issues, provide updates, and address user feedback. Stay informed about security best practices and implement necessary measures to protect user funds.

Please note that this roadmap provides a general overview and the actual implementation may involve additional steps and considerations based on your specific requirements and chosen blockchain platform. It's highly recommended to consult with experienced blockchain developers or development teams to ensure a successful and secure implementation of your PancakeSwap clone.