diff -r 62bd225b489f -r d8946c2a22b5 eric7/PipInterface/Pip.py
--- a/eric7/PipInterface/Pip.py Tue Mar 22 19:31:29 2022 +0100
+++ b/eric7/PipInterface/Pip.py Wed Mar 23 20:21:42 2022 +0100
@@ -918,3 +918,55 @@
showArgs=False)
if res:
dia.exec()
+
+ #######################################################################
+ ## Dependency tree handling methods below
+ #######################################################################
+
+ def getDependecyTree(self, envName, localPackages=True, usersite=False,
+ reverse=False):
+ """
+ Public method to get the dependency tree of installed packages.
+
+ @param envName name of the environment to get the packages for
+ @type str
+ @param localPackages flag indicating to get the tree for local
+ packages only
+ @type bool
+ @param usersite flag indicating to get the tree for packages
+ installed in user-site directory only
+ @type bool
+ @param reverse flag indicating to get the dependency tree in
+ reverse order (i.e. list packages needed by other)
+ @type bool
+ @return list of nested dictionaries resembling the requested
+ dependency tree
+ @rtype list of dict
+ """
+ dependencies = []
+
+ if envName:
+ interpreter = self.getVirtualenvInterpreter(envName)
+ if interpreter:
+ args = [
+ "-m", "pipdeptree",
+ "--json-tree",
+ "--python", interpreter,
+ ]
+ if localPackages:
+ args.append("--local-only")
+ if usersite:
+ args.append("--user-only")
+ if reverse:
+ args.append("--reverse")
+
+ proc = QProcess()
+ proc.start(sys.executable, args)
+ if proc.waitForStarted(15000) and proc.waitForFinished(30000):
+ output = str(proc.readAllStandardOutput(),
+ Preferences.getSystem("IOEncoding"),
+ 'replace').strip()
+ with contextlib.suppress(json.JSONDecodeError):
+ dependencies = json.loads(output)
+
+ return dependencies
