From 42299175e28fbbb9e4520aa75162ad56572435fe Mon Sep 17 00:00:00 2001
From: Germann Elsa Sylvia <germann_e@merlin-l-001.psi.ch>
Date: Mon, 24 Oct 2022 15:02:42 +0200
Subject: [PATCH] ADD: dependency-checker.py

---
 dependency-checker.py | 84 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 dependency-checker.py

diff --git a/dependency-checker.py b/dependency-checker.py
new file mode 100644
index 00000000..206c8108
--- /dev/null
+++ b/dependency-checker.py
@@ -0,0 +1,84 @@
+import re
+import subprocess
+import sys
+
+assert sys.version_info >= (3, 7), 'Python version is too low, please load a python >= 3.7'
+
+def subprocess_cmd(cmd):
+    return subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True, check=True, shell=True)
+
+class PmodulePackage():
+    def __init__(self, name, status, deps=[]):
+        self.name = name
+        self.given_status = status
+        self.true_status = [status]
+
+        if len(deps) != 0 and self.given_status != 'deprecated':
+            compiler = deps[0]
+            if len(deps) > 1 and 'mpi' in deps[1]:
+                mpi_provider = deps[1]
+            else:
+                mpi_provider = ''
+            self.deps = [PmodulePackage.Pmoduliser(d, compiler, mpi_provider) for d in deps]
+            self.true_status += self.check_deps_status()
+
+    def check_deps_status(self):
+        deps_status = []
+        for d in self.deps:
+            if d.given_status == 'unstable' and self.given_status == 'stable':
+                print('Dependency ' + d.name + ' is unstable!')
+            elif d.given_status == 'deprecated':
+                print('Dependency ' + d.name + ' is deprecated!')
+            deps_status += d.true_status
+        return deps_status
+
+    def check_correct_status(self):
+        if (self.given_status != 'deprecated') and len(self.true_status) > 1:
+            print_cmd = 'Package ' + self.name + ' is deployed as ' + self.given_status
+            if 'deprecated' in self.true_status:
+                print(print_cmd + ' although it should be deployed as deprecated')
+                self.given_status = 'deprecated'
+            elif self.given_status == 'stable' and 'unstable' in self.true_status:
+                print(print_cmd + ' although it should be deployed as unstable')
+                self.given_status = 'unstable'
+            self.true_status = [self.given_status]
+
+    @staticmethod
+    def Pmoduliser(pckg_name='', compiler='', mpi_provider=''):
+        default_module_cmd = 'module search ' + pckg_name + ' -a --all-deps --no-header'
+
+        # try to precise the module search if compiler and/or mpi_provider are given
+        module_cmd = default_module_cmd
+        if compiler != '' and pckg_name != compiler:
+            module_cmd = module_cmd + ' --with=' + compiler
+        if mpi_provider != '' and pckg_name != mpi_provider:
+            module_cmd = module_cmd + ' --with=' + mpi_provider
+        module_cmd_process = subprocess_cmd(module_cmd)
+
+        # take the default command if the dependency wasn't compiled with the same compiler and/or mpi_provider
+        if len(module_cmd_process.stderr.splitlines()) == 0:
+            module_cmd = default_module_cmd
+            module_cmd_process = subprocess_cmd(module_cmd)
+
+        package = module_cmd_process.stderr.splitlines()
+        if len(package) != 0:
+            package = package[0].split()
+            Pmodule_pckg = PmodulePackage(package[0], package[1], package[3:])
+            Pmodule_pckg.check_correct_status()
+            return Pmodule_pckg
+        else:
+            print(pckg_name + ' could not be found using "' + module_cmd + '"')
+            return PmodulePackage('', '')
+
+def main():
+    module_cmd = 'module search -a --all-deps --no-header'
+    module_cmd_process = subprocess_cmd(module_cmd)
+    for package in module_cmd_process.stderr.splitlines():
+        if len(package) != 0:
+            print('Resolving status of ' + package)
+            package = package.split()
+            Pmodule_pckg = PmodulePackage(package[0], package[1], package[3:])
+            Pmodule_pckg.check_correct_status()
+
+if __name__=="__main__":
+    main()
\ No newline at end of file