document Python details

README.md

@@ -4,34 +4,39 @@
 
 The `pcs-inspect.py` script queries the Prisma Cloud API for all enabled Policies
 and for all Alerts within a Relative Time Range (with a default of one month),
-and outputs the results to CSV files, including:
+and outputs results to tab-delimited CSV files, including:
 
 * Alerts By Compliance Standard
 * Alerts By Policy
 * Alert Totals
 
-It's output utilizes tabs, allowing for import into a spreadsheet.
+### Requirements
+
+* (Developed and tested on) Python 3.x with the `requests` library.
+* Prisma Cloud Access Key with `ACCOUNT GROUP READ ONLY` or `SYSTEM ADMIN` privileges.
 
 ### Usage
 
-* Download the `pcs-inspect.py` script.
+* Download this repository.
+* If necessary, install the `requests` library.
 * Execute `pcs-inspect.py` to collect and process the data.
 * Import the data into Google Sheets, and/or Google Slides (for example: [PCS Inspect Report](https://docs.google.com/presentation/d/10x_PGAu0ZPUGZMc4Tfevf9gpXvhIUOwGrBuRBkI6Jjc/edit?usp=sharing))
 * Profit!
 
 (You can independently execute the collect and process steps of the script by specifying `--mode collect` or `--mode process`)
 
-Note that collection requires a Prisma Cloud Access Key with `ACCOUNT GROUP READ ONLY` privileges configured for all accounts, or `SYSTEM ADMIN` privileges.
-
-As an alternative to using a customer-specific Access Key, you can query a subset of data by specifying an Access Key associated with a `LIGHT AGENT` Support User in the same stack as the customer (for example: in the `SESandBox` tenant for the `https://app.prismacloud.io/` stack) by specifying `--support_api`.
+As an alternative to using a customer-specific Access Key, 
+you can query a subset of data by specifying an Access Key associated with a `LIGHT AGENT` Support User in the same stack as the customer 
+(for example: in the `SESandBox` tenant in the `https://app.prismacloud.io/` stack) 
+by specifying `--support_api`.
 
 Use `./pcs-inspect.py -h` for a complete list of parameters.
 
 ### Example
 
 ```
 chmod +x pcs-inspect.py
-
+pip3 install -r requirements.txt
 ./pcs-inspect.py --customer_name example -u "https://api.prismacloud.io" -a "aaaaaaaa-1111-aaaa-1111-aaaaaaaa1111" -s "ssss1111ssss1111ssss1111="
 ```