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#!/usr/bin/env python
# Copyright 2018 the Deno authors. All rights reserved. MIT license.
from __future__ import print_function
import io
import json
import os
import re
import shutil
import sys
import tempfile
import zipfile
import zlib
try:
from urllib.request import urlopen
except ImportError:
from urllib2 import urlopen
RELEASES_URL = "https://github.com/denoland/deno/releases/latest"
FILENAME_LOOKUP = {
"darwin": "deno_osx_x64.gz",
"linux": "deno_linux_x64.gz", # python3
"linux2": "deno_linux_x64.gz", # python2
"win32": "deno_win_x64.zip",
"cygwin": "deno_win_x64.zip"
}
def latest_release_url():
try:
filename = FILENAME_LOOKUP[sys.platform]
except KeyError:
print("Unable to locate appropriate filename for", sys.platform)
sys.exit(1)
html = urlopen(RELEASES_URL).read().decode('utf-8')
urls = re.findall(r'href=[\'"]?([^\'" >]+)', html)
matching = [u for u in urls if filename in u]
if len(matching) != 1:
print("Unable to find download url for", filename)
sys.exit(1)
return "https://github.com" + matching[0]
def main():
bin_dir = deno_bin_dir()
exe_fn = os.path.join(bin_dir, "deno")
url = latest_release_url()
print("Downloading", url)
compressed = urlopen(url).read()
if url.endswith(".zip"):
with zipfile.ZipFile(io.BytesIO(compressed), 'r') as z:
with open(exe_fn, 'wb+') as exe:
exe.write(z.read('deno.exe'))
else:
# Note: gzip.decompress is not available in python2.
content = zlib.decompress(compressed, 15 + 32)
with open(exe_fn, 'wb+') as exe:
exe.write(content)
os.chmod(exe_fn, 0o744)
print("DENO_EXE: " + exe_fn)
print("Now manually add %s to your $PATH" % bin_dir)
print("Example:")
print()
print(" echo export PATH=\"%s\":\\$PATH >> $HOME/.bash_profile" % bin_dir)
print()
def mkdir(d):
if not os.path.exists(d):
print("mkdir", d)
os.mkdir(d)
def deno_bin_dir():
home = os.path.expanduser("~")
d = os.path.join(home, ".deno")
mkdir(d)
b = os.path.join(d, "bin")
mkdir(b)
return b
if __name__ == '__main__':
main()
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