Remove cmd

src/mpsd_software_manager/mpsd_software.py

@@ -14,7 +14,6 @@ import time
 from pathlib import Path
 from typing import List, Tuple, Union
 import re
-import shutil
 from functools import cache
 import importlib.metadata
 
@@ -1072,47 +1071,146 @@ def install_environment(
 
 
 def remove_environment(mpsd_release, root_dir, package_sets="NONE", force_remove=False):
-    """Remove release from installation."""
+    """Remove release from installation.
+
+    Handle 3 situations :
+    1. remove dosent specify what to remove
+        -> warn and exit
+    2. remove all package_sets from release
+        -> remove release folder except logs
+    3. remove specific package_sets from release
+        -> remove spack environments via spack commands
+
+    Parameters
+    ----------
+    mpsd_release : str
+        A string representing the MPSD release version.
+    root_dir : pathlib.Path
+        A Path object representing the path to the directory where
+        the release and package_sets will be installed.
+    package_sets : list of str
+        A list of strings representing the package_sets to install
+        (e.g., "foss2021a-mpi", "global_generic", "ALL").
+    force_remove : bool, optional
+        A boolean indicating whether to force remove the release.
+        If False, the user will be prompted to confirm the removal.
+        Defaults to False.
+
+    Raises
+    ------
+    ValueError
+
+    """
     msg = (
         f"Removing release {mpsd_release}"
         f" with package_sets {package_sets} from {root_dir}"
     )
     logging.warning(msg)
-    # Handle 3 situations :
-    # 1. remove dosent specify what to remove  -> warn and exit
-    # 1. remove all package_sets from release -> remove release folder except logs
-    # 2. remove specific package_sets from release
-    #       -> remove spack environments via spack commands
 
     if package_sets == "NONE":
         logging.warning(
             "Please specify package_sets to remove, or 'ALL' to remove all toolchains"
         )
-        sys.exit(1)
+        sys.exit(50)  # TODO document this code.
+    # 2nd case: remove the entire release for microarchitecture
+    dir_to_remove = root_dir / mpsd_release / get_native_microarchitecture()
     if "ALL" in package_sets:
         # we need to remove the entire release folder
-        logging.warning(f"Removing release {mpsd_release} from {root_dir}")
+        logging.warning(
+            f"Removing release {mpsd_release}"
+            f"from {root_dir} for {get_native_microarchitecture()}"
+        )
         if not force_remove:
             logging.warning("do you want to continue? [y/n]")
-            if input().lower() == "y":
-                force_remove = True
-        if force_remove:
-            dir_to_remove = root_dir / mpsd_release / get_native_microarchitecture()
-            folders_to_remove = os.listdir(dir_to_remove)
-            # skip logs folder
-            if "logs" in folders_to_remove:
-                folders_to_remove.remove("logs")
-            for folder in folders_to_remove:
-                shutil.rmtree(dir_to_remove / folder)
-            return
+            if input().lower() != "y":
+                sys.exit(60)  # TODO document this code.
+
+        folders_to_remove = os.listdir(dir_to_remove)
+        # skip logs folder
+        # if "logs" in folders_to_remove:
+        #     folders_to_remove.remove("logs")
+        for folder in folders_to_remove:
+            # shutil.rmtree(dir_to_remove / folder) #dosent delete file
+            run(f"rm -rf {dir_to_remove / folder}", shell=True, check=True)
+        logging.warning(f"Removed release {mpsd_release} from {root_dir}")
+        return
+    # 3rd case: remove specific package_sets from release
     for package_set in package_sets:
         # we load the spack environment and remove the package_set
-        spack_env = ""
-        commands_to_execute = [
-            f"source {spack_env}",
-            f"spack env remove -y {package_set}",
-        ]
-        run(" && ".join(commands_to_execute), shell=True, check=True)
+        if package_set not in ["global_generic", "global"]:
+            remove_spack_environment(dir_to_remove / "spack", package_set)
+        else:
+            # list all specs from the global_packages.list
+            spe_folder = root_dir / mpsd_release / "spack-environments"
+            package_list_file = (
+                spe_folder / "toolchains" / package_set / "global_packages.list"
+            )
+            with open(package_list_file, "r") as f:
+                package_dump = f.read()
+
+            # remove all content from # to the end of the line
+            package_dump = re.sub(r"#.*\n", "\n", package_dump)
+            # replace \\n with "" to remove line breaks
+            package_list = package_dump.replace("\\\n", "").split("\n")
+            # remove all empty lines
+            package_list = [line for line in package_list if line != ""]
+
+            # remove all packages in package_list
+            for package in package_list:
+                logging.info(f"Removing package {package} from installation")
+                remove_spack_package(dir_to_remove / "spack", package)
+
+
+def remove_spack_environment(spack_dir, environment_name):
+    """Remove spack environment including packages exclusive to it.
+
+    First activate the environment,
+    then uninstall all packages exclusive to the environment,
+    then deactivate the environment,
+    and finally remove the environment.
+    Parameters
+    ----------
+    spack_dir : pathlib.Path
+        A Path object representing the path to the spack directory.
+    environment_name : str
+        A string representing the name of the spack environment to remove.
+    """
+    logging.warning(f"Removing spack environment {environment_name}")
+    spack_env = spack_dir / "share" / "spack" / "setup-env.sh"
+    commands_to_execute = [
+        f"export SPACK_DIR={spack_dir}",  # need to set SPACK_DIR in dash and sh
+        f". {spack_env}",
+        f"spack env activate {environment_name}",
+        f"for spec in $(spack -e {environment_name} find"  # this line continues
+        r' --format "{name}@{version}%{compiler.name}@{compiler.version}");do'
+        " spack uninstall -y $spec; done",
+        "spack env deactivate",
+        f"spack env remove -y {environment_name}",
+    ]
+    run(" && ".join(commands_to_execute), shell=True, check=True)
+
+
+def remove_spack_package(spack_dir, package):
+    """Remove spack package.
+
+    Used to remove global packages.
+
+    Parameters
+    ----------
+    spack_dir : pathlib.Path
+        A Path object representing the path to the spack directory.
+    package : str
+        A string representing the name of the spack package to remove.
+
+    """
+    logging.info(f"Removing spack package {package}")
+    spack_env = spack_dir / "share" / "spack" / "setup-env.sh"
+    commands_to_execute = [
+        f"export SPACK_DIR={spack_dir}",  # need to set SPACK_DIR in dash and sh
+        f". {spack_env}",
+        f"spack uninstall -y {package}",
+    ]
+    run(" && ".join(commands_to_execute), shell=True, check=True)
 
 
 def start_new_environment(release, from_release, target_dir):
@@ -1313,7 +1411,7 @@ def main():
         ("available", "What is available for installation?"),
         ("install", "Install a software environment"),
         # ("reinstall", "Reinstall a package_set"),
-        # ("remove", "Remove a package set"),
+        ("remove", "Remove a package set"),
         # ("start-new", "Start a new MPSD software release version"),
         ("status", "Show status: what is installed?"),
         ("prepare", "Prepare installation of MPSD-release (dev only)"),