docs(notes): add Python methods guide for March 2025

Author: lzwjava

notes/2025-03-22-python-methods-en.md

@@ -0,0 +1,63 @@
+---
+title: Python Methods
+lang: en
+layout: post
+audio: false
+translated: false
+generated: true
+---
+
+Let me break down this Python one-liner step-by-step:
+
+### Command:
+```bash
+python -c "from hcloud import Client; c = Client(token='fake'); print(dir(c.servers)); print('\nActions:'); print(dir(c.actions))"
+```
+
+### Explanation:
+
+1. **`python -c`**:
+   - This tells the Python interpreter to execute the code that follows as a string directly from the command line, instead of running a `.py` file.
+
+2. **`from hcloud import Client`**:
+   - This imports the `Client` class from the `hcloud` module. The `hcloud` library is the official Python SDK for interacting with the Hetzner Cloud API (a cloud hosting provider). It allows you to manage servers, actions, images, etc., programmatically.
+
+3. **`c = Client(token='fake')`**:
+   - This creates an instance of the `Client` class, initializing it with an API token. Here, `'fake'` is a placeholder token (not a real one). In practice, you'd replace `'fake'` with a valid Hetzner Cloud API token to authenticate requests to their API.
+
+4. **`print(dir(c.servers))`**:
+   - `c.servers` is an attribute of the `Client` object that provides access to server-related functionality (e.g., creating, deleting, or listing servers).
+   - `dir()` is a built-in Python function that returns a list of all attributes and methods of an object as strings. So, `dir(c.servers)` lists everything you can do with the `servers` object (e.g., methods like `create`, `get_by_id`, etc.).
+   - This prints the list to the console, showing what operations are available for managing servers.
+
+5. **`print('\nActions:')`**:
+   - This prints a newline (`\n`) followed by the string `'Actions:'` to separate the output of `dir(c.servers)` from the next part for better readability.
+
+6. **`print(dir(c.actions))`**:
+   - `c.actions` is another attribute of the `Client` object, providing access to action-related functionality (e.g., tracking the status of operations like rebooting a server).
+   - Similar to before, `dir(c.actions)` lists all available attributes and methods of the `actions` object.
+   - This prints the list to the console, showing what you can do with actions.
+
+### What Does It Do?
+- This command is essentially a quick way to inspect the `hcloud` library's `servers` and `actions` modules. It outputs:
+  1. A list of all methods and attributes available for managing servers (`c.servers`).
+  2. A list of all methods and attributes available for managing actions (`c.actions`).
+
+### Example Output:
+If you ran this with a valid token (and the `hcloud` library installed), the output might look something like this (simplified):
+```
+['create', 'delete', 'get_all', 'get_by_id', 'power_off', 'power_on', ...]
+Actions:
+['get_all', 'get_by_id', 'sort', ...]
+```
+- The first line shows methods like `create` or `delete` for server management.
+- After "Actions:", it shows methods like `get_all` for retrieving action details.
+
+### Prerequisites:
+- You need the `hcloud` Python package installed (`pip install hcloud`).
+- A real API token from Hetzner Cloud would be required for actual functionality, but this specific command only inspects the library and doesn’t make API calls.
+
+### Purpose:
+This is likely used for debugging or exploration to see what methods are available in the `hcloud` library without reading the full documentation.
+
+Let me know if you'd like me to dig deeper into any part!

scripts/auto-ss-config/hetzner.py

@@ -13,8 +13,8 @@
 
 def create_snapshot(server):
     try:
-        snapshot = server.create_snapshot(name=f"{server.name}-snapshot")
-        print(f"Snapshot created for server {server.name} with ID: {snapshot.id}")
+        response = client.servers.create_image(server, description=f"{server.name}-snapshot", type="snapshot")
+        print(f"Snapshot created for server {server.name} with ID: {response.image.id}")
     except Exception as e:
         print(f"Error creating snapshot for server {server.name}: {e}")