From d56c2396c04c2e6d6b8aba5509f587edb714b4b6 Mon Sep 17 00:00:00 2001
From: Pierre-Olivier Mercier <nemunaire@nemunai.re>
Date: Sun, 1 Dec 2019 17:49:01 +0100
Subject: [PATCH] repology: new module

---
 modules/repology.py | 94 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 modules/repology.py

diff --git a/modules/repology.py b/modules/repology.py
new file mode 100644
index 0000000..8dbc6da
--- /dev/null
+++ b/modules/repology.py
@@ -0,0 +1,94 @@
+# coding=utf-8
+
+"""Repology.org module: the packaging hub"""
+
+import datetime
+import re
+
+from nemubot import context
+from nemubot.exception import IMException
+from nemubot.hooks import hook
+from nemubot.tools import web
+from nemubot.tools.xmlparser.node import ModuleState
+
+nemubotversion = 4.0
+
+from nemubot.module.more import Response
+
+URL_REPOAPI = "https://repology.org/api/v1/project/%s"
+
+def get_json_project(project):
+    prj = web.getJSON(URL_REPOAPI % (project))
+
+    return prj
+
+
+@hook.command("repology",
+              help="Display version information about a package",
+              help_usage={
+                  "PACKAGE_NAME": "Retrieve informations about PACKAGE_NAME",
+              },
+              keywords={
+                  "distro=DISTRO": "filter by disto",
+                  "status=STATUS[,STATUS...]": "filter by status",
+              })
+def cmd_repology(msg):
+    if len(msg.args) == 0:
+        raise IMException("Please provide at least a package name")
+
+    res = Response(channel=msg.channel, nomore="No more information on package")
+
+    for project in msg.args:
+        prj = get_json_project(project)
+        if len(prj) == 0:
+            raise IMException("Unable to find package " + project)
+
+        pkg_versions = {}
+        pkg_maintainers = {}
+        pkg_licenses = {}
+        summary = None
+
+        for repo in prj:
+            # Apply filters
+            if "distro" in msg.kwargs and repo["repo"].find(msg.kwargs["distro"]) < 0:
+                continue
+            if "status" in msg.kwargs and repo["status"] not in msg.kwargs["status"].split(","):
+                continue
+
+            name = repo["visiblename"] if "visiblename" in repo else repo["name"]
+            status = repo["status"] if "status" in repo else "unknown"
+            if name not in pkg_versions:
+                pkg_versions[name] = {}
+            if status not in pkg_versions[name]:
+                pkg_versions[name][status] = []
+            if repo["version"] not in pkg_versions[name][status]:
+                pkg_versions[name][status].append(repo["version"])
+
+            if "maintainers" in repo:
+                if name not in pkg_maintainers:
+                    pkg_maintainers[name] = []
+                for maintainer in repo["maintainers"]:
+                    if maintainer not in pkg_maintainers[name]:
+                        pkg_maintainers[name].append(maintainer)
+
+            if "licenses" in repo:
+                if name not in pkg_licenses:
+                    pkg_licenses[name] = []
+                for lic in repo["licenses"]:
+                    if lic not in pkg_licenses[name]:
+                        pkg_licenses[name].append(lic)
+
+            if "summary" in repo and summary is None:
+                summary = repo["summary"]
+
+        for pkgname in sorted(pkg_versions.keys()):
+            m = "Package " + pkgname + " (" + summary + ")"
+            if pkgname in pkg_licenses:
+                m += " under " + ", ".join(pkg_licenses[pkgname])
+            m += ": " + " - ".join([status + ": " + ", ".join(pkg_versions[pkgname][status]) for status in ["newest", "devel", "unique", "outdated", "legacy", "rolling", "noscheme", "untrusted", "ignored"] if status in pkg_versions[pkgname]])
+            if "distro" in msg.kwargs and pkgname in pkg_maintainers:
+                m += " - Maintained by " + ", ".join(pkg_maintainers[pkgname])
+
+            res.append_message(m)
+
+    return res