First, ensure that you have Python and RabbitMQ installed on your system. You can download and install Python from the official website (https://www.python.org/downloads/) and RabbitMQ from its official site (https://www.rabbitmq.com/download.html). Additionally, ensure you have pip installed to manage Python packages.

Use pip to install necessary Python libraries. Open your terminal or command prompt and run:
```
pip install requests pika
```
The `requests` library will be used to fetch data from Wikipedia, and `pika` is the Python client for RabbitMQ.

Wikipedia provides pageviews data through its REST API. You can make an HTTP GET request to retrieve this data. Here’s a simple example using the `requests` library:
```python
import requests

def fetch_wikipedia_pageviews():
url = "https://wikimedia.org/api/rest_v1/metrics/pageviews/per-article/en.wikipedia/all-access/all-agents/Python_(programming_language)/daily/20230101/20230131"
response = requests.get(url)
if response.status_code == 200:
return response.json()
else:
raise Exception("Failed to fetch data: " + response.text)

pageviews_data = fetch_wikipedia_pageviews()
```

Ensure that your RabbitMQ server is running. You can start RabbitMQ using:
```
rabbitmq-server
```
By default, RabbitMQ runs on `localhost` and uses the default port `5672`. Ensure the server is running properly by visiting the RabbitMQ management interface usually available at `http://localhost:15672`, if enabled.

Use the `pika` library to establish a connection to the RabbitMQ server and create a channel:
```python
import pika

def setup_rabbitmq():
connection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))
channel = connection.channel()
return connection, channel

connection, channel = setup_rabbitmq()
```

Before sending data, declare a queue where the data will be sent. This ensures that the queue exists before messages are published to it:
```python
def declare_queue(channel, queue_name='wikipedia_pageviews'):
channel.queue_declare(queue=queue_name)

declare_queue(channel)
```

Finally, send the fetched Wikipedia pageviews data to the declared RabbitMQ queue:
```python
def send_data_to_queue(channel, data, queue_name='wikipedia_pageviews'):
for item in data['items']:
message = str(item)
channel.basic_publish(exchange='', routing_key=queue_name, body=message)
print(f"Sent: {message}")

send_data_to_queue(channel, pageviews_data)

# Close the connection after sending all data
connection.close()
```

This guide provides a simple approach to fetching Wikipedia pageviews data and sending it to RabbitMQ using Python without any third-party connectors. Adjust the API endpoint and date range as needed for different datasets.