1 files changed, 109 insertions, 0 deletions
diff --git a/tools/lib/pomfile.py b/tools/lib/pomfile.py
new file mode 100644
index 00000000..35dfd5a3
--- /dev/null
+++ b/tools/lib/pomfile.py
@@ -0,0 +1,109 @@
+import re
+import tempfile
+import tempfile
+import glob
+import shutil
+from .xpath import XPath
+
+class PomFile:
+
+    def __init__(self, filename):
+        self.filename=filename
+
+    def hasParent(self) -> bool:
+        pattern_compiled = re.compile('<project[>\ ]')
+        inProject=False
+        with open(self.filename,'r') as src_file:
+                for line in src_file:
+                    m = pattern_compiled.search(line)
+                    if m is not None:
+                        if inProject == True:
+                            return True
+                        inProject=True
+                        pattern_compiled = re.compile('<parent[>\ ]')
+        return False
+                    
+
+    def setDependencyVersion(self, groupId, artifactId, version) -> bool:
+        return self.setXmlValue('/project/dependencies/dependency[groupId={},artifactId={}]/version'.format(groupId,artifactId),version)
+    def setDependencyManagementVersion(self, groupId, artifactId, version) -> bool:
+        return self.setXmlValue('/project/dependencyManagement/dependencies/dependency[groupId={},artifactId={}]/version'.format(groupId,artifactId),version)
+    # set xmlElementValue (just simple values - no objects)
+    # valuePath: xpath
+    #    e.g. /project/parent/version
+    #         /project/dependencies/dependency[groupId=org.opendaylight.netconf]/version
+    # value: value to set
+    def setXmlValue(self, valuePath, value, replaceMultiple=False) -> bool:
+        
+        found=False
+        pathToFind = XPath(valuePath)
+        pattern = re.compile('<([^>^\ ^?^!]+)')
+        curPath=XPath()
+        curParent=None
+        isComment=False
+        with tempfile.NamedTemporaryFile(mode='w', delete=False) as tmp_file:
+            with open(self.filename) as src_file:
+                for line in src_file:
+                    if found == False or replaceMultiple:
+                        x=line.find('<!--')
+                        y=line.find('-->')
+                        if x>=0:
+                            isComment=True
+                        if y>=0 and y > x:
+                            isComment=False
+                        if not isComment:
+                            matches = pattern.finditer(line,y)
+                            for matchNum, match in enumerate(matches, 1):
+                                f = match.group(1)
+                                # end tag detected
+                                if f.startswith("/"):
+                                    curPath.remove(f[1:])
+                                # start tag detected (not autoclosing xml like <br />)
+                                elif not f.endswith("/"):
+                                    x = curPath.add(f)
+                                    if curParent is None:
+                                        curParent = x
+                                    else:
+                                        curParent = curPath.last(1)
+                                else:
+                                    continue
+                                if pathToFind.equals(curPath, False):
+                                    pre=line[0:line.index('<')]
+                                    line=pre+'<{x}>{v}</{x}>\n'.format(x=f,v=value)
+                                    found=True
+                                    curPath.remove(f)
+                                    break
+                                elif pathToFind.parentParamIsNeeded(curPath.subpath(1), f):
+                                    v = self.tryToGetValue(line, f)
+                                    if v is not None:
+                                        curParent.setFilter(f, v)
+
+                    tmp_file.write(line)
+            # Overwrite the original file with the munged temporary file in a
+            # manner preserving file attributes (e.g., permissions).
+            shutil.copystat(self.filename, tmp_file.name)
+            shutil.move(tmp_file.name, self.filename)
+        print("set {} to {} in {}: {}".format(valuePath, value, self.filename, str(found)))
+        return found
+
+    def tryToGetValue(self, line, xmlTag=None):
+        pattern = re.compile('<([^>^\ ^?^!]+)>([^<]+)<\/([^>^\ ^?^!]+)>' if xmlTag is None else '<('+xmlTag+')>([^<]+)<\/('+xmlTag+')>') 
+        matches = pattern.finditer(line)
+        match = next(matches)
+        if match is not None:
+            return match.group(2)
+        return None
+
+    @staticmethod
+    def findAll(folder, excludes=[]):
+        files= glob.glob(folder + "/**/pom.xml", recursive = True)
+        r=[]
+        for file in files:
+            doExclude=False
+            for exclude in excludes:
+                if exclude in file:
+                    doExclude=True
+                    break
+            if not doExclude:
+                r.append(file)
+        return r