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#!/usr/bin/env python3
import sys, os
import json
import subprocess
import urllib.request
import hashlib
# Go to the directory this script is stored in
os.chdir(os.path.dirname(os.path.realpath(__file__)))
# Download release data
releases = json.loads(str(urllib.request.urlopen('https://api.github.com/repos/nlohmann/json/releases').read(), 'utf-8'))
# Fetch all releases and the corresponding URL
release_url_map = []
for release in releases:
for asset in release['assets']:
if asset['name'] == 'json.hpp':
release_url_map.append((release['tag_name'], asset['browser_download_url'], release['body']))
# List all git tags
process = subprocess.Popen(['git', 'tag'], stdout=subprocess.PIPE)
tags, _ = process.communicate()
tags = set(filter(None, str(tags, 'utf-8').split("\n")))
print("Releases already contained in this repository are " + str(tags))
# Go over the release_url_map in reverse order; if a release is not yet a Git
# tag, download the file, commit and add a tag
did_update = False
for tag, url, body in release_url_map[::-1]:
if not tag in tags:
print("Downloading release " + tag + " from " + url)
os.makedirs('./include', mode=0o777, exist_ok=True)
os.makedirs('./include/nlohmann', mode=0o777, exist_ok=True)
data = urllib.request.urlopen(url).read();
with open('./include/nlohmann/json.hpp', 'wb') as f:
f.write(data)
# Try to download the json_fwd.hpp header -- only exists since release
# v3.1.0
has_json_fwd = False
try:
json_fwd_url = 'https://github.com/nlohmann/json/raw/{}/include/nlohmann/json_fwd.hpp'.format(tag);
print("Trying to download " + json_fwd_url)
data = urllib.request.urlopen(json_fwd_url).read();
with open('./include/nlohmann/json_fwd.hpp', 'wb') as f:
f.write(data)
has_json_fwd = True
except:
pass
subprocess.call(['git', 'add', './include/nlohmann/json.hpp'])
if has_json_fwd:
subprocess.call(['git', 'add', './include/nlohmann/json_fwd.hpp'])
subprocess.call(['git', 'commit', '-m', 'Upstream release ' + tag])
subprocess.call(['git', 'tag', '-a', tag, '-m', body])
did_update = True
# Push the updated Git repository
if did_update:
subprocess.call(['git', 'push', '--tags'])
subprocess.call(['git', 'push'])
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