Merge pull request #328 from zvezdan/fix-pivy-version-matching

Fix the edge case version comparison in pivy-importer.

Author: zvezdan

pivy-importer/src/main/groovy/com/linkedin/python/importer/pypi/ProjectDetails.groovy

@@ -77,10 +77,12 @@ class ProjectDetails {
                 // skip alpha/beta/release candidate versions
                 continue
             }
-            if (VersionRange.compareVersions(release, start) > 0 || (release == start && range.includeStart)) {
+            if (VersionRange.compareVersions(release, start) > 0 ||
+                    ((release == start || VersionRange.compareVersions(release, start) == 0) && range.includeStart)) {
                 matchingRange.add(release)
             }
-            if (VersionRange.compareVersions(release, end) > 0 || (release == end && !range.includeEnd)) {
+            if (VersionRange.compareVersions(release, end) > 0 ||
+                    ((release == end || VersionRange.compareVersions(release, end) == 0) && !range.includeEnd)) {
                 break
             }
         }

pivy-importer/src/main/groovy/com/linkedin/python/importer/pypi/VersionRange.groovy

@@ -70,10 +70,24 @@ class VersionRange {
         }
         if (v1.size() == v2.size()) {
             return 0
-        } else if (i < v2.size()) {
+        }
+        // Make sure 0.3 matches 0.3.0, etc.
+        if (i < v1.size() && isOnlyZeroesRemain(v1, i) || i < v2.size() && isOnlyZeroesRemain(v2, i)) {
+            return 0
+        }
+        if (i < v2.size()) {
             return (v2[i] < 0) ? 1 : -1
         }
         return (v1[i] < 0) ? -1 : 1
     }
 
+    static boolean isOnlyZeroesRemain(List<Integer> v, int start) {
+        for (int i = start; i < v.size(); i++) {
+            if (v[i] != 0) {
+                return false
+            }
+        }
+        return true
+    }
+
 }