euscanwww: Fixing metadata and ebuild urls

Signed-off-by: volpino <fox91@anche.no>

TODO

@@ -24,8 +24,8 @@ euscan
 
 ### metadata.xml
 
-- Create a page to list handlers users, and average confidence
-- Use this page to generate metadata for some packages (handled by deb or brute force for example)
+- Use handler's statistics page to generate metadata for some packages
+  (handled by deb or brute force for example)
 - Create a subtree of metadata using custom rules
 - Finalize format
 - Write a GLEP
@@ -40,7 +40,7 @@ euscan
 ### handlers
 
 - remote-id type deb repository:
-  - find out how to get download url (not sure it's possible)
+-- find out how to get download url (not sure it's possible)
 
 ### remote-id
 - Propose new remote-id: deb
@@ -56,15 +56,12 @@ euscanwww
 
 ### misc
 
-- change ebuild/metadata urls. Use <overlay>/<category>/<package>-<version>(-<revision>?).ebuild instead. Use portage code to parse that. Same thing for metadata.xml, without
-  version-revision.
 - Really fix mails: better formating
 - Always keep in db all found versions (when using an API only?). But don't display them if older than current packaged version, except maybe in the "upstream_version" column.
 
 ### packages
 
 - show additional informations in the web interface (remote-id, etc...)
-- show the content of the ebuild for a particular version
 - Ignore alpha/beta if current is not alpha/beta: per-package setting using metadata.xml ?
 - ~arch / stable support: see "models: keywords"
 - stabilisation candidates: check stabilizations rules, and see how this can be automated

euscanwww/djeuscan/helpers.py

@@ -98,12 +98,3 @@ def get_layman_repos():
     lay = Layman(config=settings.LAYMAN_CONFIG)
     installed_overlays = lay.get_installed()
     return lay.get_all_info(installed_overlays)
-
-
-def versiontag_to_attrs(tag):
-    import re
-    match = re.match(r"(.+)-(.+)-(.+)", tag)
-    if match:
-        return match.groups()
-    else:
-        None

euscanwww/djeuscan/models.py

@@ -171,13 +171,13 @@ class Version(models.Model):
     def cpv(self):
         return '%s/%s-%s%s' % (
             self.package.category, self.package.name, self.version,
-            '-' + self.revision if self.revision != '-r0' else ''
+            '-' + self.revision if self.revision != 'r0' else ''
         )
 
     def __unicode__(self):
         return '%s/%s-%s%s%s [%s]' % (
             self.package.category, self.package.name, self.version,
-            '-' + self.revision if self.revision != '-r0' else '',
+            '-' + self.revision if self.revision != 'r0' else '',
             ':' + self.slot if self.slot and self.slot != '0' else '',
             self.overlay or "<upstream>"
         )
@@ -221,7 +221,7 @@ class VersionLog(models.Model):
         txt = '+ ' if self.action == self.VERSION_ADDED else '- '
         txt += '%s/%s-%s%s%s [%s]' % (
             self.package.category, self.package.name, self.version,
-            '-' + self.revision if self.revision != '-r0' else '',
+            '-' + self.revision if self.revision != 'r0' else '',
             ':' + self.slot if self.slot and self.slot != '0' else '',
             self.overlay or "<upstream>"
         )

euscanwww/djeuscan/templates/euscan/_package_details.html

@@ -63,14 +63,14 @@
         {% endif %}
 
         {% if version.ebuild_path %}
-          <a href="{% url "package_version_ebuild" package.category package.name version.tag %}">
+          <a href="{% url "package_version_ebuild" version.overlay version.cpv %}">
             {{ version.version }}{% if version.revision != "r0" %}-{{ version.revision }}{% endif %}{% if version.slot != "0" %}:{{ version.slot }}{% endif %}
           </a>
         {% endif %}
         {% if version.metadata_path %}
-        <a href="{% url "package_version_metadata" package.category package.name version.tag %}">
-          <img src="{{ STATIC_URL }}img/metadata.png" alt="Metadata" />
-        </a>
+          <a href="{% url "package_metadata" version.overlay package.category package.name %}">
+            <img src="{{ STATIC_URL }}img/metadata.png" alt="Metadata" />
+          </a>
         {% endif %}
       </li>
       {% endfor %}

euscanwww/djeuscan/urls.py

@@ -23,10 +23,16 @@ package_patterns = patterns('djeuscan.views',
     url(r'^unfavourite/$', unfavourite_package, name="unfavourite_package"),
     url(r'^refresh$', "refresh_package", name="refresh_package"),
     url(r'^problem$', 'problem', name="problem"),
-    url(r'^(?P<version_tag>.*)/ebuild$', "package_version_ebuild",
+)
+
+files_patterns = patterns('djeuscan.views',
+    url(r'^(?P<overlay>[\w+][\w+.-]*)/(?P<cpv>.+).ebuild$',
+        "package_version_ebuild",
         name="package_version_ebuild"),
-    url(r'^(?P<version_tag>.*)/metadata$', "package_version_metadata",
-        name="package_version_metadata"),
+    url(r'^(?P<overlay>[\w+][\w+.-]*)/(?P<category>[\w+][\w+.-]*)/'
+        r'(?P<package>[\w+][\w+.-]*)/metadata.xml$',
+        "package_metadata",
+        name="package_metadata"),
 )
 
 categories_patterns = patterns('djeuscan.views',
@@ -112,5 +118,7 @@ urlpatterns = patterns('djeuscan.views',
     url(r'^package/(?P<category>[\w+][\w+.-]*)/(?P<package>[\w+][\w+.-]*)/',
         include(package_patterns)),
 
+    url(r'^files/', include(files_patterns)),
+
     url(r'^tasks/', include(tasks_patterns)),
 )

euscanwww/djeuscan/views.py

@@ -3,6 +3,8 @@
 import inspect
 from annoying.decorators import render_to, ajax_request
 
+from portage.versions import catpkgsplit
+
 from django.http import HttpResponse, HttpResponseNotFound
 from django.core.urlresolvers import reverse
 from django.shortcuts import get_object_or_404, redirect
@@ -11,7 +13,7 @@ from django.views.decorators.http import require_POST
 from django.db import models
 
 from djeuscan.helpers import version_key, packages_from_names, \
-    get_maintainer_or_404, get_make_conf, get_layman_repos, versiontag_to_attrs
+    get_maintainer_or_404, get_make_conf, get_layman_repos
 from djeuscan.models import Version, Package, Herd, Maintainer, EuscanResult, \
     VersionLog, RefreshPackageQuery, ProblemReport, Category, Overlay
 from djeuscan.forms import WorldForm, PackagesForm, ProblemReportForm
@@ -225,14 +227,17 @@ def package(request, category, package):
     }
 
 
-def package_version_metadata(request, category, package, version_tag):
+def package_metadata(request, overlay, category, package):
     package = get_object_or_404(Package, category=category, name=package)
-    try:
-        ver, rev, over = versiontag_to_attrs(version_tag)
-    except TypeError:
+
+    versions = Version.objects.filter(package=package, overlay=overlay)
+    if len(versions) == 0:
         return HttpResponseNotFound()
-    version = get_object_or_404(Version, package=package, version=ver,
-                                revision=rev, overlay=over)
+
+    # XXX: Kinda ugly, it assumes that every version with the same overlay
+    #      has the same metadata path
+    version = versions[0]
+
     content = ""
     if version.metadata_path:
         try:
@@ -245,17 +250,15 @@ def package_version_metadata(request, category, package, version_tag):
     return HttpResponse(content, content_type="text/plain")
 
 
-def package_version_ebuild(request, category, package, version_tag):
-    package = get_object_or_404(Package, category=category, name=package)
-    try:
-        ver, rev, over = versiontag_to_attrs(version_tag)
-    except TypeError:
-        return HttpResponseNotFound()
-    version = get_object_or_404(Version, package=package, version=ver,
-                                revision=rev, overlay=over)
-    if version.ebuild_path:
+def package_version_ebuild(request, overlay, cpv):
+    category, package, version, revision = catpkgsplit(cpv)
+    pkg = get_object_or_404(Package, category=category, name=package)
+    obj = get_object_or_404(Version, package=pkg, version=version,
+                            revision=revision, overlay=overlay)
+
+    if obj.ebuild_path:
         try:
-            with open(version.ebuild_path) as ebuild_file:
+            with open(obj.ebuild_path) as ebuild_file:
                 content = ebuild_file.read()
         except IOError:
             return HttpResponseNotFound()