= [[https://is.muni.cz/auth/predmet/fi/pv277|PV277 Programming Applications for Social Robots]] (autumn 2019) =

== How to get info from web?

=== Use API
If API exists, you can usually use JSON data after send the right parameters. Example to get weather data.

{{{#!python
import requests
url = "http://api.openweathermap.org/data/2.5/weather"

params = {'q': 'Brno',
          'units': 'metric',
          'lang': 'cz'}

r = requests.get(url=url, params=params)
data = r.json()

print(data['main']['temp'])
}}}

(Full example attachment:forecast.py)

=== Parse webpage data

If no API is provided, you can download and parse the webpage.

{{{#!python
from bs4 import BeautifulSoup
import requests
page = requests.get(url).text
soup = BeautifulSoup(page, features="lxml")
results = soup.findAll('h2', attrs={'class':'article-title'})
}}}

(Full example attachment:news.py)

== How to integrate info with robot?

=== Dialog variables

In dialog file, set value of variable, use it in Python script in behavior.

{{{#!python
u:(["Můj [oblíbený nejoblíbenější] tým je" "Fandím {týmu}"] _*) $team=$1
}}}

First word after sentence is available in {{{$1}}} and passed to the script as {{{team}}} variable.

{{{#!python
def onInput_onStart(self, team):
    self.team_usr = team
}}}

=== Use TTS in script
{{{#!python
veta = self.team_name + " má " + str(act_team.points) + " bodů"
self.tts.say(veta)
}}}

=== Run script as service and parse service output