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external_libraries.py
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external_libraries.py
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import logging
import logging.config
import urllib2
import re
import os
import hashlib
from _init import STATIC_FONTS_DIR, STATIC_WEBFONTS_DIR, STATIC_LDN_DIR
from util.log import logfile_path
LOCAL_PATH = '/static/ldn/'
MAX_RETRY_COUNT = 3
EXTERNAL_JS = [
'code.jquery.com/jquery.js',
'netdna.bootstrapcdn.com/bootstrap/3.3.2/js/bootstrap.min.js',
'ajax.googleapis.com/ajax/libs/angularjs/1.5.3/angular.min.js',
'ajax.googleapis.com/ajax/libs/angularjs/1.5.3/angular-route.min.js',
'ajax.googleapis.com/ajax/libs/angularjs/1.5.3/angular-sanitize.min.js',
'ajax.googleapis.com/ajax/libs/angularjs/1.5.3/angular-animate.min.js',
'ajax.googleapis.com/ajax/libs/angularjs/1.5.3/angular-cookies.min.js',
'cdn.jsdelivr.net/g/momentjs',
'cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.2.0/js/bootstrap-datepicker.min.js',
'cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.37/js/bootstrap-datetimepicker.min.js',
'cdn.ravenjs.com/3.1.0/angular/raven.min.js',
'cdn.jsdelivr.net/cal-heatmap/3.3.10/cal-heatmap.min.js',
'cdnjs.cloudflare.com/ajax/libs/angular-recaptcha/4.1.3/angular-recaptcha.min.js',
'cdnjs.cloudflare.com/ajax/libs/ng-tags-input/3.1.1/ng-tags-input.min.js',
'cdnjs.cloudflare.com/ajax/libs/corejs-typeahead/1.1.1/typeahead.bundle.min.js',
]
EXTERNAL_CSS = [
'use.fontawesome.com/releases/v5.0.4/css/all.css',
'netdna.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.css',
'netdna.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css',
'fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,700',
's3.amazonaws.com/cdn.core-os.net/icons/core-icons.css',
'cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.37/css/bootstrap-datetimepicker.min.css',
'cdn.jsdelivr.net/cal-heatmap/3.3.10/cal-heatmap.css',
'cdnjs.cloudflare.com/ajax/libs/ng-tags-input/3.1.1/ng-tags-input.min.css',
]
EXTERNAL_FONTS = [
'netdna.bootstrapcdn.com/font-awesome/4.7.0/fonts/fontawesome-webfont.eot?v=4.7.0',
'netdna.bootstrapcdn.com/font-awesome/4.7.0/fonts/fontawesome-webfont.woff?v=4.7.0',
'netdna.bootstrapcdn.com/font-awesome/4.7.0/fonts/fontawesome-webfont.woff2?v=4.7.0',
'netdna.bootstrapcdn.com/font-awesome/4.7.0/fonts/fontawesome-webfont.ttf?v=4.7.0',
'netdna.bootstrapcdn.com/font-awesome/4.7.0/fonts/fontawesome-webfont.svg?v=4.7.0',
'netdna.bootstrapcdn.com/bootstrap/3.3.2/fonts/glyphicons-halflings-regular.eot',
'netdna.bootstrapcdn.com/bootstrap/3.3.2/fonts/glyphicons-halflings-regular.woff2',
'netdna.bootstrapcdn.com/bootstrap/3.3.2/fonts/glyphicons-halflings-regular.woff',
'netdna.bootstrapcdn.com/bootstrap/3.3.2/fonts/glyphicons-halflings-regular.ttf',
'netdna.bootstrapcdn.com/bootstrap/3.3.2/fonts/glyphicons-halflings-regular.svg',
]
EXTERNAL_WEBFONTS = [
'use.fontawesome.com/releases/v5.0.4/webfonts/fa-regular-400.ttf',
'use.fontawesome.com/releases/v5.0.4/webfonts/fa-regular-400.woff',
'use.fontawesome.com/releases/v5.0.4/webfonts/fa-regular-400.woff2',
'use.fontawesome.com/releases/v5.0.4/webfonts/fa-solid-900.ttf',
'use.fontawesome.com/releases/v5.0.4/webfonts/fa-solid-900.woff',
'use.fontawesome.com/releases/v5.0.4/webfonts/fa-solid-900.woff2',
'use.fontawesome.com/releases/v5.0.4/webfonts/fa-brands-400.ttf',
'use.fontawesome.com/releases/v5.0.4/webfonts/fa-brands-400.woff',
'use.fontawesome.com/releases/v5.0.4/webfonts/fa-brands-400.woff2',
]
EXTERNAL_CSS_FONTS = [
's3.amazonaws.com/cdn.core-os.net/icons/core-icons.eot',
's3.amazonaws.com/cdn.core-os.net/icons/core-icons.woff',
's3.amazonaws.com/cdn.core-os.net/icons/core-icons.ttf',
's3.amazonaws.com/cdn.core-os.net/icons/core-icons.svg',
]
logger = logging.getLogger(__name__)
def get_external_javascript(local=False):
if local:
return [LOCAL_PATH + format_local_name(src) for src in EXTERNAL_JS]
return ['//' + src for src in EXTERNAL_JS]
def get_external_css(local=False, exclude=None):
exclude = exclude or []
if local:
return [LOCAL_PATH + format_local_name(src) for src in EXTERNAL_CSS if src not in exclude]
return ['//' + src for src in EXTERNAL_CSS if src not in exclude]
def format_local_name(url):
filename = url.split('/')[-1]
filename = re.sub(r'[+,?@=:]', '', filename)
url_hash = hashlib.sha256(url).hexdigest()[0:12]
filename += '-' + url_hash
if not filename.endswith('.css') and not filename.endswith('.js'):
if filename.find('css') >= 0:
filename = filename + '.css'
else:
filename = filename + '.js'
return filename
def _download_url(url):
for index in range(0, MAX_RETRY_COUNT):
try:
response = urllib2.urlopen(url)
return response.read()
except urllib2.URLError:
logger.exception('Got exception when trying to download URL %s (try #%s)', url, index + 1)
raise Exception('Aborted due to maximum retries reached')
if __name__ == '__main__':
logging.config.fileConfig(logfile_path(debug=False), disable_existing_loggers=False)
resources = [
(STATIC_LDN_DIR, EXTERNAL_JS + EXTERNAL_CSS, True),
(STATIC_LDN_DIR, EXTERNAL_CSS_FONTS, False),
(STATIC_FONTS_DIR, EXTERNAL_FONTS, False),
(STATIC_WEBFONTS_DIR, EXTERNAL_WEBFONTS, False),
]
for local_directory, urls, requires_hashing in resources:
for url in urls:
if requires_hashing:
filename = format_local_name(url)
else:
filename = os.path.basename(url).split('?')[0]
path = os.path.join(local_directory, filename)
print 'Downloading %s to %s' % (url, path)
contents = _download_url('https://' + url)
with open(path, "wb") as local_file:
local_file.write(contents)