Python Programming Language :: Remember, remember, the velvet November


node:	Python Programming Language
template:	3
parent:	Programming
owner:	Indalam
viewed by:
created:	24.05.2004 - 15:46:33
updated:	21.01.2014 - 11:23:31

cwbe coordinatez:
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63540
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ABSOLUT
KYBERIA

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Python Programming Language

Python je objektovy, vysoce vykonny interpretovany programovaci jazyk. Podporuje velke mnozstvi vysokourovnovych datových typu (retezce, seznamy, asociativni pole ...). Jiz zakladni distribuce disponuje mnoha moduly, pomoci nichz lze resit sirokou skalu problemu (prace se sokety, sluzbami internetu, vlakny ...). Jeho interpretr bezi na mnoha platformach (Linux, Java, Macintosh, Palm OS, DOS nebo Windows). Interpretr lze velice snadno rozsirit pomoci modulu napsanych v jazyku C (prip. C++).

IRCNet - #python.sk , #python

tutorialy
Tutorialy ku Pythonu na matfyze /sk/
http://www.tutorialized.com/tutorials/Python/1 /en/

stranky
http://www.py.cz
http://www.python.org
The Python Enterprise Application Kit
Pre vyvoj GUI aplikacii - zaujimave

knihy
Oreilly Python In A Nutshell
Addison Wesley Text Processing In Python

0000010100063540020763990085660808734123

pre mna zdanlivo nevygooglitelna vec:

co znamena zapis **self?

000001010006354002076399008566080873412308734797

mozes dat kontext pouzitia? :)

pretoze bez kontextu:

self = {'1': 2}
def print_kwargs(**kwargs):
for k, v in kwargs.items():
print(f"{k}={v}")

print_kwargs(**self)

tzn self sam o sebe nie je nicim specialny keyword, iba konvencia pri definicii instance method na classach

00000101000635400207639900856608087341230873479708734844

jj,medzitym som to nasiel. je to len rozbitie dictionary na key value. zhodou okolnostipremenna bola self.value ale ja som riesil format **self...

0000010100063540020763990085660808608151

KIWI.COM PYTHON WEEKEND Bratislava, April 5–7, 2019
An intensive, educational weekend course of Python led by top Kiwi.com developers

info, registracia (treba napisat nejaky task alebo co, maju iba 16 miest)
https://pythonweekend.cz/

0000010100063540020763990085660808599243

v Brne je skupina "Brnenske Pyvo" ktora organizuje prednasky v Artbaru Druhy pad, a robi aj Pyladies - python pre zeny

000001010006354002076399008566080859924308608191

uz len cakam, kedy vznikne Python Computing Organisation v Ostrave :)

000001010006354002076399008566080859924308599420

linky
https://pyvo.cz/brno-pyvo/
https://pyladies.cz/

0000010100063540020763990085660808566439

Viete mi niekto ukazat priklad pouzitia oauth2 na autorizaciu voci google uctu na prihlasenie do JIRA? Chcem sa vyhnut pouzitiu REST API.
e.: uz sa do toho pomaly dostavam, viac info tu: https://developers.google.com/api-client-library/python/guide/aaa_oauth
Ked sa mi to podari, tak to zdokumentujem

000001010006354002076399008566080856643908566461

neriesil som, ale rychly google: https://jira.readthedocs.io/en/master/examples.html#oauth ti nezafunguje?

00000101000635400207639900856608085664390856646108566504

ked ja tomu vobec nerozumiem
co je keycert? Oauth_dict? Consumer_key?
Myslel som priklad, ze kde mam co nasypat, aby to fungovalo. Teraz to funguje tak, idem na jira.hu, tam kliknem na google login a ono mi to skontroluje, ci som prihlaseny v google a ak som, tak ma pusti. Ak niesom, tak sa prihlasim do google a pusti ma to.

0000010100063540020763990085660808566439085664610856650408566668

aha, tak skor ja nerozumiem tomu co chces urobit

myslel som si, ze pises nejaky python script, ktory sa potrebuje autorizovat cez oauth na Jira - naco by mala sluzit ta knihovna vyssie

z toho co pises v poslednom poste vyzera, ze sa chces login do JIRA cez web browser - ako si sam napisal, tam sa lognes cez social login (https://en.wikipedia.org/wiki/Social_login, ktory moze byt implementovany roznymi standardmi)

v kazdom pripade nie som expert ani na JIRA ani na Oauth, takze ti zrejme viac neporadim :)

000001010006354002076399008566080856643908566461085665040856666808566674

nie nie, dobre si tomu rozumel, toto co pisem v poslednom poste je ukazka, ako to funguje cez webbrowser teraz a to iste chcem docielit cez python a oauth2 a sucasne nechcem pouzivat REST, lebo aj s RESTom sa to nejak da.
user:password sa neda, musi byt oauth.

0000010100063540020763990085660808561529

Chcel by som pomocou requests/beautifulsoup v Python 3 prejst cez nalogovanie do webstranky.

Tu je login/password tlacitko:
..input maxlength="100" size="30" id="loginName" name="loginName" type="text" title="E-mail ID:" value=""
..input maxlength="32" size="30" id="password" name="password" title="Password:" type="password" value=""

Tu je submit button:
..input value="Submit" name="button_okButton" type="submit" onclick="javascript:login(['Mode','Topic'],['login','100'])"

Doleuvedeny kod mi nacita uvodnu stranku, ale neprihlasi ma. Aj ked som zahashoval ten posledny geturl request, tak aj tak to neukaze dalsiu stranku. Viem sa tam dostat a vsetko vytahat cez selenium/chrome, ale chcel by som nieco co by pracovalo na pozadi...

import ssl
import requests
from lxml import html

USERNAME = "myusername@domain.com"
PASSWORD = "password"

LOGIN_URL = "https://ehnsarmciratihs.extnet.ibm.com/services/security/cirats/index.jsp"
URL = "https://ehnsarmciratihs.extnet.ibm.com/services/security/cirats/index.jsp"

def main():
ssl._create_default_https_context = ssl._create_unverified_context
session_requests = requests.session()

# Create payload
payload = {
"loginName": USERNAME,
"password": PASSWORD,
#"csrfmiddlewaretoken": authenticity_token
}

# Perform login
result = session_requests.post(LOGIN_URL, data = payload, headers = dict(referer = LOGIN_URL))

# Scrape url
result = session_requests.get(URL, headers = dict(referer = URL), verify=False)
print(result.text)

if __name__ == '__main__':
main()

000001010006354002076399008566080856152908594055

Neries to v Pythone. https://github.com/GoogleChrome/puppeteer

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dakujem, skusim

000001010006354002076399008566080856152908563288

ulkas 09.11.2018 - 22:08:55 [1K] , level: 2, UP NEW

Re: web automation / post to login

nevies si proste odchytit samotny vygenerovany request na stranke? a modifikovat uz len request header a nie simulovat samotne prihlasenie cez form submit. tu je napriklad request header pre prihlasenie na kyberiu:





Request URL: https://kyberia.sk/id/8561529/

Request Method: POST

Status Code: 302 

Remote Address: 85.118.132.159:443

Referrer Policy: same-origin

:authority: kyberia.sk

:method: POST

:path: /id/8561529/

:scheme: https

accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8

accept-encoding: gzip, deflate, br

accept-language: en-US,en;q=0.9,sk;q=0.8

cache-control: max-age=0

content-length: 652

content-type: multipart/form-data; boundary=----WebKitFormBoundaryxxx

cookie: PHPSESSID=xxx

origin: https://kyberia.sk

referer: https://kyberia.sk/id/8561529

upgrade-insecure-requests: 1

user-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

------WebKitFormBoundaryxxx

Content-Disposition: form-data; name="login"



ulkas

------WebKitFormBoundaryxxx

Content-Disposition: form-data; name="password"



xxx

------WebKitFormBoundaryxxx

Content-Disposition: form-data; name="event"



login

------WebKitFormBoundaryxxx

Content-Disposition: form-data; name="login_type"



name

------WebKitFormBoundaryxxx

Content-Disposition: form-data; name="screen_width"



1920

------WebKitFormBoundaryxxx

Content-Disposition: form-data; name="screen_height"



1025

------WebKitFormBoundaryxxx--

toto vies postovat aj primitivnym curlom v konzole. odpoved zo servera je nastavena session cookie tusim

000001010006354002076399008566080856152908561557

javascript:login :)

mam k tomu len taku anekdotu, ze asi pred 10 rokmi som uspesne robil amazon login cez ruby-webkit. neviem co myslis tym na pozadi, ale ten proces nemal viditelne okno a bezal propri vsetkych ostatnych procesoch... mysli na to, ze content za tym loginom moze byt (a pravdepodobne bude) generovany javascriptom.

00000101000635400207639900856608085615290856155708561638

dakujem, vies to nejak zakomponovat do toho kodu? Som v tychto veciach hodne novy, jedna vec je urobit v seleniu find_element_by_id_executescript("...") a druha urobit nieco v takomto kode ktory som si pozical z inej stranky a neviem ako zmenit post metodu na volanie javascriptu v tomto kontexte. Skusim to pogooglit...

edit: a este sa potrebujem dostat do JSON a tohoto :D
https://developers.trello.com/docs/api-introduction

0000010100063540020763990085660808561529085615570856163808561643

ja o tom nic neviem, spustal som js kod v tej stranke aby som vyplnil formular a submitol (dalsim js). dnes na to snad existuju nejake frameworky, urcite nie si prvy kto riesi taketo peklo. radsej si double-checkni ci na to co chces ziskat neexistuje nejake API, scraping sa moze lahko rozbit.

000001010006354002076399008566080856152908561557085616380856164308561645

jj prave mi jeden indian potvrdil ze maju API :) dakujem

0000010100063540020763990085660808561529085615570856163808561641

nasiel som javascript:login v ciratsScripts.js

function login(argumentName, argumentValues){
dm1 = document.MainForm;
var dt = new Date();

// Adding the timeZone information to the request..
argumentName[argumentName.length]='timeZone';
argumentValues[argumentValues.length] = dt.getTimezoneOffset();
//Added by Deepmala for defect 38731:Problem with timestamp display for some DST timezones
var jan1 = new Date(dt.getFullYear(), 0, 1, 0, 0, 0, 0);
var temp = jan1.toGMTString();
var jan2 = new Date(temp.substring(0, temp.lastIndexOf(" ")-1));
var time_offset_jan = (jan1 - jan2) / (1000 * 60);
var june1 = new Date(dt.getFullYear(), 6, 1, 0, 0, 0, 0);
temp = june1.toGMTString();
var june2 = new Date(temp.substring(0, temp.lastIndexOf(" ")-1));
var time_offset_jun = (june1 - june2) / (1000 * 60);

argumentName[argumentName.length]='time_offset_jan';
argumentValues[argumentValues.length] = time_offset_jan;
argumentName[argumentName.length]='time_offset_jun';
argumentValues[argumentValues.length] = time_offset_jun;

//End of code added by Deepmala for defect 38731:Problem with timestamp display for some DST timezones
submitParameters(argumentName,argumentValues);
}

0000010100063540020763990085660808557233

hladam nejaky univerzalnejsi framework. nieco, kde je uz nejaka ta adresarova struktura, vyriesene zaklady ako config load, factory, handlovanie s db/file, pripadne nejaky deploy proces/migration atd. (mame projekt pre 4 programatorov, teraz je 1500 riadkovy kod spisany uplne klasicky - v jednom subore)
ale, netreba ziadny frontend.

preco nech googlim ako googlim, vsetko co sa oznacuje python frameworkom je nutne len cisto web framework? viem, ze mozem ignorovat tu view vetvu, lenze stale su tam uplne zbytocne veci ako nastroje http server, form validation, kadejake javascript zmrstovace atd...

alebo nejaku radu, ktorym smerom ist? nechcel by som zbuchavat veci na kolene, ak uz to existije.

000001010006354002076399008566080855723308557241

Standardne pythonove setuptools nevyhovuju? Maju aj management resources a konfiguracie.

Praga mater urbium, ora pro nobis!

00000101000635400207639900856608085572330855724108557253

no, to je taky zaklad. ale hladam aj nieco, co uz utilizuje konkertnu paradigmu, ci uz TDD alebo DDD ci nejake services. a uz ma v sebe aj take zaklady ako factory, nejaky resource autoloader (to asi splna aj to co si pastol), pripadne ORM, integrovany rozumny logger, miesto pre unit testy a ich jednoduche integracie a assertions rovno v kdoe a nie nejakou imitacnou vetvou pomimo.

0000010100063540020763990085660808493426

caute
riesime psychologicky experiment, pouzivame psychopy (cize python 2.7.3) a mam nasledujuci problem:

bezi loop, ktory prezentuje nahodny pocet nahodnych cifier v nahodne dlhych intervaloch
zaroven arduino uno posiela na usb dlzku trvania stlacenia tlacidla. citam ho odtial pomocou kniznice serialpy (serial.readline())

potrebujem zastavit prezentaciu vyssieuvedenych cifier v momente, ked pride signal na usb a zaroven ho zapisat do premennej

potrebujem na to threading, alebo to ide aj jednoduchsie?

vdaka!

000001010006354002076399008566080849342608495287

inak, ak riesite nejaky reakcny cas alebo inu chutovtu, odporucam pouzivat paralelny port a nie seriovy, akym je aj usb. seriove maju zdielanu zbernicu a moze sa stat, ze to raz za cas sekne aj na par milisekund

00000101000635400207639900856608084934260849528708501692

shit, nevsimol som si, ze si pisal. niekto by uz mohol poriesit tie "notifikacie" :)
dik za feedback. nastastie neriesime reakcne casy. casovac bezi na arduine a meria len dlzku zopnutia tlacidla

00000101000635400207639900856608084934260849528708495324

Ja som toyo kedysi riesil v RTLinux free, tam to slape dokonale presne.

000001010006354002076399008566080849342608493431

serial.readline() je blokujuci? ak nie, tak mozno ho mozes volat priamo v hlavnom loope a ak nieco precita, tak prerusit loop.
vidim (nechce sa mi to skusat ofc) ze sa da volat aj neblokujuco (nastavit timeout na 0), takze by to mohlo fungovat.

00000101000635400207639900856608084934260849343108493474

vdaka. myslim, ze je blokujuci (ak spravne rozumiem). caka na EOL
aha, takze timeout 0, idem skusit

00000101000635400207639900856608084934260849343108493466

https://stackoverflow.com/questions/39461414/python-serial-readline-not-blocking

Ešte chlapča nevyrástlo, baby, berme ho!

0000010100063540020763990085660808468628

Ahojte :) je toto dobra kniha na ucenie sa? online kurzy mi moc nevyhovuju, a rad si vsetko skusam lokalne.
https://learnpythonthehardway.org/python3/

axone forumz