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Learning project for scraping weather from weather.gc.ca. Print out simple or extended weather reports for any Canadian city to a console.
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README.md

Purpose of Program

Print out simple or extended weather reports for any Canadian city to a console.

Web scraping is not the best approach for this problem but is a good skill to have. Using it for this will require that I update it every time Weather Canada changes the look and feel of their site. Since this is not a skill I will use often it will force me to go back and fix it so that I can use what I have learned easily.

Info scraped from https://weather.gc.ca/

Contributing

I welcome contributions from others wanting to learn about Webscraping. Things here can always be improved.

Please do pull requests from the devel branch. Discussed proposed changes in the Issue Tracker prior to sending a big pull request.

Code should follow PEP-8 standards as much as possible. Also please use doctrings for all functions and classes you want to add. It will help others that are learning as well.

Install

Install in a virtualenv.

for the latest devel branch
pip install https://github.com/alaudet/my_weather/archive/devel.zip

for the latest stable master branch
pip install https://github.com/alaudet/my_weather/archive/master.zip

Usage

Find the weather code for your city by visiting https://weather.gc.ca/

The code is in the url of your weather report.

help menu

my_weather -h

usage: my_weather [-h] -c CODE [-e]

Use argparsing to allow more control over output

optional arguments:
-h, --help            show this help message and exit
-c CODE, --code CODE  Enter the city code from weather.gc.ca
-e, --extended        Add the extended forecast

Example 1 - Sudbury ON, simple forecast

my_weather -c on-40

Greater Sudbury, ON - 7:00 AM EDT Monday 22 April 2019
No Alerts in effect
Temperature: 4°C
Conditions: Cloudy
Humidity: 75%
Wind: ENE 16 km/h
Normals: High: 11°C  Low: 0°C
Sunrise: 6:25 EDT  Sunset:20:20 EDT

Example 2 - Timmins ON, simple forecast (includes weather alerts)

my_weather -c on-127

Timmins, ON - 7:00 AM EDT Monday 22 April 2019
FREEZING RAIN WARNING 
RAINFALL WARNING 
Temperature: -2°C
Conditions: Light Freezing Rain
Humidity: 88%
Wind: E 13 km/h
Normals: High: 11°C  Low: -2°C
Sunrise: 6:23 EDT  Sunset:20:25 EDT

Example 3 Halifax NS, extended forecast

my_weather -c ns-19 -e

Halifax, NS - 8:38 AM ADT Monday 22 April 2019
SPECIAL WEATHER STATEMENT 
Temperature: 11°C
Conditions: Light Rain
Humidity: 100%
Wind: S 9 km/h
Normals: High: 10°C  Low: 2°C
Sunrise: 6:19 ADT  Sunset:20:07 ADT
---Extended Forecast---
Today - Periods of rain. Fog patches. Amount 10 to 20 mm. High 12. UV index 2 or low.
Tonight - Periods of rain. Fog patches. Amount 10 to 20 mm. Low plus 5.
Tue, 23 Apr - Rain. Fog patches. Amount 10 to 20 mm. Wind east 20 km/h gusting to 40. High 8. UV index 1 or low.
Night - Showers. Low plus 5.
Wed, 24 Apr - A mix of sun and cloud with 60 percent chance of showers. High 10.
Night - Showers. Low plus 2.
Thu, 25 Apr - Cloudy. High 8.
Night - Cloudy periods. Low zero.
Fri, 26 Apr - A mix of sun and cloud. High 8.
Night - Cloudy with 60 percent chance of showers. Low plus 2.
Sat, 27 Apr - Rain. High 7.
Night - Cloudy periods with 60 percent chance of showers. Low plus 1.

This project is for learning about webscraping only

If you really need to manipulate weather data you should probably go to the Government of Canada Weather website first. They make xml files available for use and would be a better option for building a web app. More info at the following link.

http://dd.weather.gc.ca/citypage_weather/docs/README_citypage_weather.txt

Weather Canada has a fairly permissive license with a few conditions.

http://dd.weather.gc.ca/doc/LICENCE_GENERAL.txt

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