Add basic dependency resolution

[cheatdb.git] / app / views / api.py

diff --git a/app/views/api.py b/app/views/api.py
index 6d54fdf6718a07219c43261a26b3b53a7819ef7e..ba42aca6360a0e402ae262ae15832ffae41893cf 100644 (file)
--- a/app/views/api.py
+++ b/app/views/api.py
@@ -32,12 +32,42 @@ def api_packages_page():
                        for package in query.all()]
        return jsonify(pkgs)
 
+
 @app.route("/api/packages/<author>/<name>/")
 @is_package_page
 def api_package_page(package):
        return jsonify(package.getAsDictionary(app.config["BASE_URL"]))
 
 
+@app.route("/api/packages/<author>/<name>/dependencies/")
+@is_package_page
+def api_package_deps_page(package):
+       ret = []
+
+       for dep in package.dependencies:
+               name = None
+               fulfilled_by = None
+
+               if dep.package:
+                       name = dep.package.name
+                       fulfilled_by = [ dep.package.getAsDictionaryKey() ]
+
+               elif dep.meta_package:
+                       name = dep.meta_package.name
+                       fulfilled_by = [ pkg.getAsDictionaryKey() for pkg in dep.meta_package.packages]
+
+               else:
+                       raise "Malformed dependency"
+
+               ret.append({
+                       "name": name,
+                       "is_optional": dep.optional,
+                       "packages": fulfilled_by
+               })
+
+       return jsonify(ret)
+
+
 @app.route("/api/topics/")
 def api_topics_page():
        qb     = QueryBuilder(request.args)