[Plugin Manager] Fix for compatibility check in QgsPluginInstaller and QgsPluginRegistry

Author: borysiasty

python/pyplugin_installer/installer_data.py

@@ -33,7 +33,7 @@
 import qgis.utils
 from qgis.core import *
 from qgis.utils import iface
-from version_compare import compareVersions, normalizeVersion
+from version_compare import compareVersions, normalizeVersion, isCompatible
 
 """
 Data structure:
@@ -487,7 +487,7 @@ def xmlDownloaded(self,nr,state):
           if not qgisMaximumVersion: qgisMaximumVersion = qgisMinimumVersion[0] + ".99"
           #if compatible, add the plugin to the list
           if not pluginNodes.item(i).firstChildElement("disabled").text().strip().upper() in ["TRUE","YES"]:
-           if compareVersions(QGis.QGIS_VERSION, qgisMinimumVersion) < 2 and compareVersions(qgisMaximumVersion, QGis.QGIS_VERSION) < 2:
+            if isCompatible(QGis.QGIS_VERSION, qgisMinimumVersion, qgisMaximumVersion):
               #add the plugin to the cache
               plugins.addFromRepository(plugin)
       # set state=2, even if the repo is empty
@@ -620,7 +620,7 @@ def pluginMetadata(fct):
       qgisMaximumVersion = pluginMetadata("qgisMaximumVersion").strip()
       if not qgisMaximumVersion: qgisMaximumVersion = qgisMinimumVersion[0] + ".999"
       #if compatible, add the plugin to the list
-      if compareVersions(QGis.QGIS_VERSION, qgisMinimumVersion) == 2 or compareVersions(qgisMaximumVersion, QGis.QGIS_VERSION) == 2:
+      if not isCompatible(QGis.QGIS_VERSION, qgisMinimumVersion, qgisMaximumVersion):
         error = "incompatible"
         errorDetails = "%s - %s" % (qgisMinimumVersion, qgisMaximumVersion)
 

python/pyplugin_installer/version_compare.py

@@ -114,7 +114,7 @@ def compareElements(s1,s2):
 
 # ------------------------------------------------------------------------ #
 def compareVersions(a,b):
-  """ Compare two version numbers. Return 0 if a==b or error, 1 if a<b and 2 if b>a """
+  """ Compare two version numbers. Return 0 if a==b or error, 1 if a>b and 2 if b>a """
   if not a or not b:
     return 0
   a = normalizeVersion(a)
@@ -155,3 +155,52 @@ def compareVersions(a,b):
     return 1
   else:
     return 2
+
+
+
+
+
+
+## COMPARE CURRENT QGIS VERSION WITH qgisMinimumVersion AND qgisMaximumVersion """
+
+def splitVersion(s):
+  """ split string into 2 or 3 numerical segments """
+  if not s or type(s) not in [str, unicode]:
+    return None
+  l = unicode(s).split('.')
+  for c in l:
+    if not c.isnumeric():
+      return None
+    if int(c)>999:
+      return None
+  if len(l) not in [2,3]:
+    return None
+  return l
+
+
+def isCompatible(curVer, minVer, maxVer=None):
+  """ Compare current QGIS version with qgisMinVersion and qgisMaxVersion """
+  minVer = splitVersion(minVer)
+  maxVer = splitVersion(maxVer)
+  curVer = splitVersion( curVer.split("-")[0] )
+
+  if not minVer or not curVer:
+    return False
+
+  if not maxVer:
+    maxVer = [minVer[0], "999", "999"]
+
+  if len(minVer)<3:
+    minVer += ["0"]
+
+  if len(curVer)<3:
+    curVer += ["0"]
+
+  if len(maxVer)<3:
+    maxVer += ["999"]
+
+  minVer = "%03d%03d%03d" % ( int(minVer[0]), int(minVer[1]), int(minVer[2]) )
+  maxVer = "%03d%03d%03d" % ( int(maxVer[0]), int(maxVer[1]), int(maxVer[2]) )
+  curVer = "%03d%03d%03d" % ( int(curVer[0]), int(curVer[1]), int(curVer[2]) )
+
+  return ( minVer <= curVer and maxVer >= curVer)

src/app/qgspluginregistry.cpp

@@ -207,12 +207,11 @@ bool QgsPluginRegistry::checkQgisVersion( QString minVersion, QString maxVersion
   }
 
   // Parse qgisMaxVersion. Must be in form x.y.z or just x.y
-  int maxVerMajor, maxVerMinor, maxVerBugfix = 0;
+  int maxVerMajor, maxVerMinor, maxVerBugfix = 999;
   if ( maxVersion.isEmpty() || maxVersion == "__error__" )
   {
     maxVerMajor = minVerMajor;
     maxVerMinor = 999;
-    maxVerBugfix = 999;
   }
   else
   {
@@ -253,23 +252,19 @@ bool QgsPluginRegistry::checkQgisVersion( QString minVersion, QString maxVersion
   int qgisMinor = qgisVersionParts.at( 1 ).toInt();
   int qgisBugfix = qgisVersionParts.at( 2 ).toInt();
 
-  // first check major version
-  if ( minVerMajor > qgisMajor || maxVerMajor < qgisMajor )
-    return false;
-  if ( minVerMajor < qgisMajor || maxVerMajor > qgisMajor )
-    return true;
-  // if same, check minor version
-  if ( minVerMinor > qgisMinor || maxVerMinor < qgisMinor )
-    return false;
-  if ( minVerMinor < qgisMinor || maxVerMinor > qgisMinor )
-    return true;
-
-  // if still same, check bugfix version (lower range only)
-  if ( minVerBugfix > qgisBugfix )
-    return false;
-
-  // looks like min or max version is the same as our version - that's fine
-  return true;
+  // build strings with trailing zeroes
+  QString minVer = QString( "%1%2%3" ).arg( minVerMajor, 3, 10, QChar( '0' ) )
+                                      .arg( minVerMinor, 3, 10, QChar( '0' ) )
+                                      .arg( minVerBugfix, 3, 10, QChar( '0' ) );
+  QString maxVer = QString( "%1%2%3" ).arg( maxVerMajor, 3, 10, QChar( '0' ) )
+                                      .arg( maxVerMinor, 3, 10, QChar( '0' ) )
+                                      .arg( maxVerBugfix, 3, 10, QChar( '0' ) );
+  QString curVer = QString( "%1%2%3" ).arg( qgisMajor, 3, 10, QChar( '0' ) )
+                                      .arg( qgisMinor, 3, 10, QChar( '0' ) )
+                                      .arg( qgisBugfix, 3, 10, QChar( '0' ) );
+
+  // compare
+  return ( minVer <= curVer && maxVer >= curVer);
 }