Source code for pycharmers.api.github
# coding: utf-8
import os
import re
import urllib
import requests
from bs4 import BeautifulSoup
from ..utils._path import _makedirs
from ..utils.download_utils import download_file
[docs]def url2raw(url):
"""Convert from Github URL to Raw URL.
Args:
url (str) : Github URL.
Examples:
>>> from pycharmers.utils import pycat, download_file
>>> from pycharmers.api import url2raw
>>> github_url = "https://github.com/opencv/opencv/blob/master/data/CMakeLists.txt"
>>> path = download_file(url=github_url, dirname=".")
>>> pycat(path, head=10)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<link rel="dns-prefetch" href="https://github.githubassets.com">
# The above file is HTML!!
# Therefore, convert from Github URL to Raw URL.
>>> raw_url = url2raw(github_url)
>>> path = download_file(url=raw_url, dirname=".")
>>> pycat(path, head=2)
file(GLOB HAAR_CASCADES haarcascades/*.xml)
file(GLOB LBP_CASCADES lbpcascades/*.xml)
# Get the desired data :)
"""
return url.replace("://github.com/", "://raw.githubusercontent.com/").replace("/blob/", "/")
[docs]def wgit(base_url="", base_dir=".", depth=0):
"""Download only a specific folder or directory from a remote Git repo hosted on GitHub.
Args:
base_url (str) : URL for a specific folder or directory from a remote Git repository.
base_dir (str) : The directory where downloaded data will be saved.
depth (int) : Depth of the directory tree.
Examples:
>>> from pycharmers.api import wgit
>>> from pycharmers.opencv import PYCHARMERS_OPENCV_DIR
>>> wgit(base_url="https://github.com/opencv/opencv/tree/master/data", base_dir=PYCHARMERS_OPENCV_DIR)
/Users/iwasakishuto/.pycharmers/opencv/data is created.
/Users/iwasakishuto/.pycharmers/opencv/data/haarcascades is created.
Download a file from https://raw.githubusercontent.com/opencv/opencv/master/data/haarcascades/haarcascade_eye.xml
* Content-Encoding : None
* Content-Length : (333.404296875, 'MB')
* Content-Type : text/plain; charset=utf-8
* Save Destination : /Users/iwasakishuto/.pycharmers/opencv/data/haarcascades/haarcascade_eye.xml
haarcascade_eye.xml 100.0%[####################] 0.1[s] 4.5[GB/s] eta -0.0[s]
Download a file from https://raw.githubusercontent.com/opencv/opencv/master/data/haarcascades/haarcascade_eye_tree_eyeglasses.xml
:
"""
if depth==0:
base_dir = os.path.join(base_dir, os.path.basename(base_url))
_makedirs(name=base_dir)
soup = BeautifulSoup(markup=requests.get(url=base_url).content, features="lxml")
# indent = "\t"*depth
for row in soup.find_all(name="div", class_="py-2", role="row"):
href = row.find(name="a", class_="js-navigation-open").get("href", "")
url = urllib.parse.urljoin(base=base_url, url=href)
icon_aria_label = row.find(name="svg").get("aria-label")
if icon_aria_label == "Directory":
dirname = os.path.join(base_dir, os.path.basename(href))
_makedirs(name=dirname)
wgit(base_url=url, base_dir=dirname, depth=depth+1)
else:
download_file(url=url2raw(url), dirname=base_dir)
