Check-in [81413c685e]
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Overview
Comment: | GitHub/Archive/API polling job. |
---|---|
Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
81413c685e99cae86044a750263e795a |
User & Date: | mario 2014-11-03 02:11:22 |
Context
2014-11-03
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02:12 | Avoid lengthy loops with SQL SELECT queries in cron jobs, to eschew SQLite database locking up meanwhile. check-in: b147818f59 user: mario tags: trunk | |
02:11 | GitHub/Archive/API polling job. check-in: 81413c685e user: mario tags: trunk | |
02:10 | Add GitHub/Archive list and cache database polling. check-in: 1534cf257a user: mario tags: trunk | |
Changes
Added cron.daily/poll_githubarchive.php.
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* CREATE INDEX idx_releases ON releases ( * t_published ASC * ); * CREATE INDEX unique_releases ON releases ( * repo_name, * release_tag * ); * * Which allows easier display/feed generation for news_github.php. * */ // Common settings chdir(dirname(__DIR__)); include("./config.php"); // Separate github.releases database db(new PDO("sqlite:github.db")); /** * GitHubArchive via Google BigQuery * (unused now) * */ class GHA_BQ { /** * Google API OAuth connection * */ function Google_API_Client() { $client = new Google_Client(); $client->setApplicationName("freshcode-github"); $client->setDeveloperKey(GOOGLEAPI_DEV_KEY); $client->setClientId(GOOGLEAPI_CLIENT_ID); $cred = new Google_Auth_AssertionCredentials( GOOGLEAPI_EMAIL, array('https://www.googleapis.com/auth/bigquery'), file_get_contents(GOOGLEAPI_KEYFILE) ); $client->setAssertionCredentials($cred); $client->getAuth()->isAccessTokenExpired() and $client->getAuth()->refreshTokenWithAssertion($cred); return $client; } /** * Populates BigQuery configuration and Job, * executes it right away, and waits for response. * */ function BigQuery_execute($sql) { // new BigQuery + Google_Client instances $client = new Google_Service_Bigquery( self::Google_API_Client() ); // create query job $job = new Google_Service_Bigquery_Job(); $config = new Google_Service_Bigquery_JobConfiguration(); $queryConfig = new Google_Service_Bigquery_JobConfigurationQuery(); $queryConfig->setQuery($sql); $queryConfig->setPriority("INTERACTIVE"); // speedier results $config->setQuery($queryConfig); $job->setId(md5(microtime())); $job->setConfiguration($config); // run job and pack results $res = $client->jobs->getQueryResults( GOOGLEAPI_PROFILE, $client->jobs->insert(GOOGLEAPI_PROFILE, $job)->getJobReference()["jobId"] ); return $res; } // run query for recent project releases function githubarchive_releases() { return self::BigQuery_execute(" SELECT TIMESTAMP(created_at) as t_published, created_at, url, type, repository_url, repository_owner, repository_name, repository_description, repository_language, repository_homepage -- , payload_name, payload_url, payload_desc, payload_commit, payload_member_avatar_url -- , payload_release_tag_name, payload_release_name, payload_release_body FROM [githubarchive:github.timeline] WHERE type='ReleaseEvent' -- AND LENGTH(repository_description) > 0 ORDER BY created_at DESC LIMIT 500 "); } } /** * Query GitHub projects (max 5000/hour) * */ class GitHub_API { /** * Generic wrapper for simple GitHub API * */ function call($api = "events", $data = []) { return json_decode( curl("https://api.github.com/$api") ->userpwd(GITHUB_API_PW) //->writeheader(fopen("gh-curl-header.txt", "a+")) ->timeout(5) ->exec() ); } /** * Retrieve Github global /events (push, pull, commit, comment, release, ...) * */ function events() { return self::call("events"); } /** * Fetch meta data for repository * */ function repo_meta($fullname) { return self::call("repos/$fullname"); } /** * HTML extract repo title * @obsolete, see `repo_meta` * */ function repo_title($gh_url) { preg_match('~<meta\s+content="([^<>"]+?)"\s+property="og:description"\s+/?>~s', curl($gh_url)->exec(), $m); $gh_title = htmlentities(html_entity_decode($m[1])); if (preg_match("/Contribute to .+? development by creating an account on GitHub./", $gh_title)) { continue; } } /** * Normalize Github.com URL, split full, owner and repo name * */ function repo_name($url) { if (preg_match("~^https?://github\.com/([\w.-]+)/([\w.-]+)(?:/|$)~", $url, $m) or preg_match("~^https?://(?:api|uploads)\.github\.com/(?:repos|users)/([\w.-]+)/([\w.-]+)(?:/|$)~", $url, $m)) { return array("https://github.com/$m[1]/$m[2]/", "$m[1]/$m[2]", $m[1], $m[2]); } } } /** * Retrieve event archives from //data.githubarchive.org/YYYY-MM-DD-HH.json.gz * */ class GitHubArchive { /** * date/timespec for GHA * */ function last_hour($hour=1) { // return 2014-05-31-hH (minus 8 hours, because GHA uses filenames according to its own timezone) return gmdate("Y-m-d-G", time() - 5*60 - (7 + $hour) * 3600); } /** * Fetch GHA day+hour .json.gz resource line-wise filtered by ReleaseEvent type * */ function json_lines($day_hour) { // open remote resource and decompress implicitly $gz = new SplFileObject("compress.zlib://http://data.githubarchive.org/$day_hour.json.gz"); // filter JSON blob lines on type=ReleaseEvents return new RegexIterator($gz, '/ "type" : "ReleaseEvent" /smux'); } /** * Iterator over last GitHubArchive data files * */ function fetch_json_last_hours($count = 2) { $it = new AppendIterator; foreach (range(1, 24) as $prev) { // Keep iterating for successful URL accesses try { $it->append(self::json_lines($day_hour = self::last_hour($prev))); print "fetching .../$day_hour.json.gz\n"; } catch (Exception $http_fail) { // SplFileObject just gives RuntimeException for HTTP 404 results print "not present .../$day_hour.json.gz\n"; continue; } // Retrieve at least two blob files if (--$count <= 0) { break; } } return $it; } } /** * Apply callback over iterator values. * */ class CallbackIterator extends IteratorIterator { public $mapfn; function __construct($iter, $mapfn) { $this->mapfn = $mapfn; parent::__construct($iter); } function current() { return call_user_func($this->mapfn, parent::current()); } } #-- Select input source, # JSON lines/blobs/files, pre-converted to objects // from GHA files $in_json = new CallbackIterator(GitHubArchive::fetch_json_last_hours(), "json_decode"); // direct polling of GitHub API (priorly polled in a loop) #$in_json = GitHub_API::events(); // previously collected event blobs #$in_json = new CallbackIterator(new CallbackIterator(new GlobIterator("./@/github/ev*"), "file_get_contents"), "json_decode"); #-- Load into cache database insert_github_releases($in_json); /** * Traverse github /events JSON objects and update DB. * */ function insert_github_releases($in_json) { foreach ($in_json as $event) { // Properties from events payload $p = array( "t_published" => strtotime($event->payload->release->published_at), "created_at" => $event->payload->release->created_at, "repo_name" => GitHub_API::repo_name($event->payload->release->html_url)[1], "author_login" => $event->payload->release->author->login, "author_avatar" => $event->payload->release->author->avatar_url, "release_url" => $event->payload->release->html_url, "release_tag" => $event->payload->release->tag_name, "release_title" => $event->payload->release->name, "release_body" => $event->payload->release->body, ); // Skip existing entries $exists = db(" SELECT t_published FROM releases WHERE release_url = ? OR (repo_name = ? AND release_tag = ?)", $p["release_url"], $p["repo_name"], $p["release_tag"] ); if ($exists->t_published) { print "already have $p[release_url]\n"; continue; } // Add additional repository infos if ($meta = GitHub_API::repo_meta($p["repo_name"])) { $p = $p + array( "repo_url" => $meta->html_url, "repo_description" => $meta->description, "repo_homepage" => $meta->homepage, "repo_language" => $meta->language, ); } else { continue; } // Store print_r($p); db("INSERT INTO releases (:?) VALUES (::)", $p, $p); } } ?> |