deploy(olean): new script to download and expand the olean archive

Author: cipher1024

scripts/setup-update-mathlib.sh

@@ -0,0 +1,3 @@
+#! /bin/sh
+pip3 install toml PyGithub urllib3 certifi
+cp update-mathlib.py /usr/local/bin/update-mathlib

scripts/update-mathlib.py

@@ -0,0 +1,51 @@
+#! /usr/local/bin/python3
+
+from github import Github
+import toml
+import urllib3
+import certifi
+import os.path
+import os
+import tarfile
+
+
+# find root of project and leanpkg.toml
+cwd = os.getcwd()
+while not os.path.isfile('leanpkg.toml') and not os.getcwd() == '/':
+    os.chdir(os.path.dirname(os.getcwd()))
+if not os.path.isfile('leanpkg.toml'):
+    raise('no leanpkg.toml found')
+
+mathlib_dir = os.path.join( os.environ['HOME'], '.mathlib' )
+if not os.path.isdir(mathlib_dir):
+    os.mkdir(mathlib_dir)
+
+# parse leanpkg.toml
+leanpkg = toml.load('leanpkg.toml')
+lib = leanpkg['dependencies']['mathlib']
+
+# download archive
+if lib['git'] in ['https://github.com/leanprover/mathlib','https://github.com/leanprover-community/mathlib']:
+    rev = lib['rev']
+    hash = rev[:7]
+
+    g = Github("cipher1024","sZ2335743")
+    repo = g.get_repo("leanprover-community/mathlib")
+    assets = [r.get_assets() for r in (repo.get_releases())
+                             if r.tag_name.split('-')[3] == hash and r.tag_name.split('-')[0] == 'bin']
+    a = assets[0][0]
+    cd = os.getcwd()
+    os.chdir(mathlib_dir)
+    if not os.path.isfile(a.name):
+        http = urllib3.PoolManager(
+            cert_reqs='CERT_REQUIRED',
+            ca_certs=certifi.where())
+        r = http.request('GET', a.browser_download_url)
+        f = open(a.name,'wb')
+        f.write(r.data)
+        f.close()
+    os.chdir(cd)
+
+    # extract archive
+    ar = tarfile.open(os.path.join(mathlib_dir, a.name))
+    ar.extractall('_target/deps/mathlib')