Zerohertz

 Zerohertz

Posted on In

Pytube

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:59:51) [MSC v.1914 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import pytube
>>> yt = pytube.YouTube("https://www.youtube.com/watch?v=94YwFIJ-yR0&list=PL3Eb1N33oAXijqFKrO83hDEN0HPwaecV3&index=1")
>>> vids = yt.streams.all()
>>> for i in range(len(vids)):
...     print(i,':',vids[i])
...
0 : <Stream: itag="22" mime_type="video/mp4" res="720p" fps="30fps" vcodec="avc1.64001F" acodec="mp4a.40.2">
1 : <Stream: itag="43" mime_type="video/webm" res="360p" fps="30fps" vcodec="vp8.0" acodec="vorbis">
2 : <Stream: itag="18" mime_type="video/mp4" res="360p" fps="30fps" vcodec="avc1.42001E" acodec="mp4a.40.2">
3 : <Stream: itag="36" mime_type="video/3gpp" res="240p" fps="30fps" vcodec="mp4v.20.3" acodec="mp4a.40.2">
4 : <Stream: itag="17" mime_type="video/3gpp" res="144p" fps="30fps" vcodec="mp4v.20.3" acodec="mp4a.40.2">
5 : <Stream: itag="136" mime_type="video/mp4" res="720p" fps="30fps" vcodec="avc1.4d401f">
6 : <Stream: itag="247" mime_type="video/webm" res="720p" fps="30fps" vcodec="vp9">
7 : <Stream: itag="135" mime_type="video/mp4" res="480p" fps="30fps" vcodec="avc1.4d401f">
8 : <Stream: itag="244" mime_type="video/webm" res="480p" fps="30fps" vcodec="vp9">
9 : <Stream: itag="134" mime_type="video/mp4" res="360p" fps="30fps" vcodec="avc1.4d401e">
10 : <Stream: itag="243" mime_type="video/webm" res="360p" fps="30fps" vcodec="vp9">
11 : <Stream: itag="133" mime_type="video/mp4" res="240p" fps="30fps" vcodec="avc1.4d4015">
12 : <Stream: itag="242" mime_type="video/webm" res="240p" fps="30fps" vcodec="vp9">
13 : <Stream: itag="160" mime_type="video/mp4" res="144p" fps="30fps" vcodec="avc1.4d400c">
14 : <Stream: itag="278" mime_type="video/webm" res="144p" fps="30fps" vcodec="vp9">
15 : <Stream: itag="140" mime_type="audio/mp4" abr="128kbps" acodec="mp4a.40.2">
16 : <Stream: itag="171" mime_type="audio/webm" abr="128kbps" acodec="vorbis">
17 : <Stream: itag="249" mime_type="audio/webm" abr="50kbps" acodec="opus">
18 : <Stream: itag="250" mime_type="audio/webm" abr="70kbps" acodec="opus">
19 : <Stream: itag="251" mime_type="audio/webm" abr="160kbps" acodec="opus">

영상 정보 퍼오기

Read more »

Posted on In

중력에 대한 ODE를 Numerical analysis

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
t = 0 #변수, 상수 선언
g = 9.81
c = 12.5
m = 68.1
delta = 2.4
vel = 0


def velocity(t):
    value = vel + (g - c * vel / m) * delta #식의 해
    return value


print(t, vel)

for a in range(1, 100): #몇번 반복할지
    vel = velocity(t)
    t = t + delta
    print(t, vel)
1
2
3
4
5
6
7
8
9
10
11
0 0
2.4 23.544
4.8 36.71619383259912
7.199999999999999 44.085659104581886
9.6 48.208663904325554
12.0 50.51536703017333
14.4 51.80590137811459
#중간생략 왼쪽이 시간, 오른쪽이 Velocity
232.80000000000038 53.44487999999999
235.2000000000004 53.44487999999999
237.6000000000004 53.44487999999999
Read more »

Posted on In

데이터 가공

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
from selenium import webdriver
import os

browser = webdriver.Chrome('C:/Users/OHG/Downloads/chromedriver_win32/chromedriver')  #Directory지정
browser.implicitly_wait(5)  #암묵적으로 3초 딜레이
url = "https://www.youtube.com/watch?v=94YwFIJ-yR0&list=PL3Eb1N33oAXijqFKrO83hDEN0HPwaecV3&index=1"
browser.get(url)

for a in range(1, 2): #url의 개수
        b = str(a)
        os.mkdir(b + "번째 기사")
        os.chdir(b + "번째 기사")
        print(a, "번째 url open")
        products = browser.find_elements_by_css_selector('#description > yt-formatted-string')
        f = open("기사 대본.txt", 'w')  #txt적기
        for product in products:
                Z = product.text
        f.write(Z[:-117])
        browser.save_screenshot("Website.png")
        os.chdir("..")
browser.quit()
Read more »

Posted on In

Unreal Engine?

프로그래밍, 게임 기획, 사운드, 그래픽 수학, 효과, UI 등등 모두를 편하게 작업하게 해주는 게임 제작 툴

Unreal engine의 기능

  • 블루프린트 : 스크래치와 같이 프로그래밍 가능
  • C++ 소스 코드 제공
  • 시퀀서 : 영상 제작
  • 렌더링
  • 템플릿, 학습 자료
  • 마켓플레이스 : 모듈을 판매함
  • 멀티플레이어 프레임워크
  • 터레인, 폴리지
  • 고급 AI
Read more »

Posted on In

Docker로 부서진 멘탈을 복구시키고…

Selenium의 스크레이핑

Selenium을 import하기

1
from selenium import Webdriver

대응되는 Driver

1
2
3
4
5
6
Webdriver.Firefox
Webdriver.Chrome
Webdriver.Ie
Webdriver.Opera
Webdriver.PhantomJS
Webdriver.Remote

Selenium으로 DOM 요소 선택

74쪽

Read more »