fix: Fix the internal usage of the value from --cmd flag

.github/workflows/main.yaml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        python_version: ["3.8", "3.9", "3.10"]
+        python_version: ["3.8.1", "3.9", "3.10"]
 
     concurrency:
       group: ci-tests-${{ matrix.python_version }}-${{ github.ref }}
@@ -24,7 +24,7 @@ jobs:
 
     - name: Prepare conda environment
       run: |
-        sed -i s/python\ 3\.8/python\ ${{ matrix.python_version }}/ conda/dev.yaml
+        sed -i s/python\ 3\.8\.1/python\ ${{ matrix.python_version }}/ conda/dev.yaml
         cat conda/dev.yaml
 
     - name: create a dotenv file

Makefile

@@ -11,6 +11,8 @@ for line in sys.stdin:
 endef
 export PRINT_HELP_PYSCRIPT
 
+ARGS:=
+
 .PHONY:help
 help:
 	@python -c "$$PRINT_HELP_PYSCRIPT" < $(MAKEFILE_LIST)
@@ -37,7 +39,7 @@ lint:
 
 .PHONY:test
 test: ## run tests quickly with the default Python
-	pytest -s -vv tests
+	pytest -s -vv tests ${ARGS}
 
 
 .PHONY:docs-build
@@ -58,8 +60,8 @@ build:
 smoke-tests:
 	set -ex
 	# group 1
-	containers-sugar help
-	containers-sugar version
+	containers-sugar --help
+	containers-sugar --version
 	containers-sugar build --group group1 --all
 	containers-sugar build --group group1
 	containers-sugar build --group group1 --services service1-1
@@ -68,9 +70,9 @@ smoke-tests:
 	containers-sugar pull --group group1 --services service1-1
 	containers-sugar start --group group1 --all
 	containers-sugar restart --group group1 --all
-	containers-sugar exec --group group1 --services service1-1 --extras="-T" --cmd "env"
+	containers-sugar exec --group group1 --service service1-1 --extras="-T" --cmd "env"
 	containers-sugar stop --group group1 --all
-	containers-sugar run --group group1 --services service1-1 --extras="-T" --cmd "env"
+	containers-sugar run --group group1 --service service1-1 --extras="-T" --cmd "env"
 	containers-sugar down --group group1
 	# group 2
 	containers-sugar build --group group2 --all
@@ -81,9 +83,9 @@ smoke-tests:
 	containers-sugar pull --group group2 --services service2-1
 	containers-sugar start --group group2 --all
 	containers-sugar restart --group group2 --all
-	containers-sugar exec --group group2 --services service2-1 --extras="-T" --cmd "env"
+	containers-sugar exec --group group2 --service service2-1 --extras="-T" --cmd "env"
 	containers-sugar stop --group group2 --all
-	containers-sugar run --group group2 --services service2-1 --extras="-T" --cmd "env"
+	containers-sugar run --group group2 --service service2-1 --extras="-T" --cmd "env"
 	containers-sugar down --group group2
 	# group mix
 	containers-sugar build --group group-mix --all
@@ -94,7 +96,7 @@ smoke-tests:
 	containers-sugar pull --group group-mix --services service1-1,service2-1
 	containers-sugar start --group group-mix --all
 	containers-sugar restart --group group-mix --all
-	containers-sugar exec --group group-mix --services service2-1 --extras="-T" --cmd "env"
+	containers-sugar exec --group group-mix --service service2-1 --extras="-T" --cmd "env"
 	containers-sugar stop --group group-mix --all
-	containers-sugar run --group group-mix --services service2-1 --extras="-T" --cmd "env"
+	containers-sugar run --group group-mix --service service2-1 --extras="-T" --cmd "env"
 	containers-sugar down --group group-mix

conda/dev.yaml

@@ -3,6 +3,6 @@ channels:
   - nodefaults
   - conda-forge
 dependencies:
-  - python 3.8
+  - python 3.8.1
   - poetry
   - nodejs  # used by semantic-release

containers_sugar/__main__.py

@@ -20,9 +20,21 @@ def _get_args():
 
     parser.add_argument(
         'action',
-        choices=['help'] + Sugar.ACTIONS,
+        choices=Sugar.ACTIONS,
+        nargs='?',
+        default=None,
         help='Specify the command to be performed.',
     )
+    parser.add_argument(
+        '--verbose',
+        action='store_true',
+        help='Show the command executed.',
+    )
+    parser.add_argument(
+        '--version',
+        action='store_true',
+        help='Show the version of containers-sugar.',
+    )
     parser.add_argument(
         '--service-group',
         '--group',
@@ -38,6 +50,11 @@ def _get_args():
             "Use comma to separate the services's name"
         ),
     )
+    parser.add_argument(
+        '--service',
+        type=str,
+        help=('Set the service for the container call.'),
+    )
     parser.add_argument(
         '--all',
         action='store_true',
@@ -71,14 +88,11 @@ def app():
     args_parser = _get_args()
     args = args_parser.parse_args()
 
-    if args.action == 'help':
-        return args_parser.print_help()
-
     sugar = Sugar(args)
 
-    if args.action == 'version':
+    if args.version:
         show_version()
-        sugar.run()
+        sugar._version()
         return
 
     sugar.load_services()

containers_sugar/sugar.py

@@ -1,6 +1,7 @@
 """Sugar class for containers"""
 import argparse
 import os
+import shlex
 import sys
 from pathlib import Path
 
@@ -14,7 +15,18 @@
     docker_compose = None
 
 
-class Sugar:
+class PrintPlugin:
+    def _print_error(self, message: str):
+        print(Fore.RED, message, Fore.RESET)
+
+    def _print_info(self, message: str):
+        print(Fore.BLUE, message, Fore.RESET)
+
+    def _print_warning(self, message: str):
+        print(Fore.YELLOW, message, Fore.RESET)
+
+
+class Sugar(PrintPlugin):
     ACTIONS = [
         'build',
         'config',
@@ -28,7 +40,6 @@ class Sugar:
         'restart',
         'start',
         'stop',
-        'version',
         'wait',
     ]
 
@@ -68,27 +79,23 @@ def _call_compose_app(
             '_err': sys.stderr,
             '_no_err': True,
             '_env': os.environ,
+            '_bg': True,
+            '_bg_exc': False,
         }
 
-        sh_extras.update(
-            {
-                '_bg': True,
-                '_bg_exc': False,
-            }
-        )
-
-        cmd_list = [cmd] if cmd else []
-
-        print(
-            '>>>',
-            self.compose_app,
-            *self.compose_args,
-            *args,
-            *extras,
-            *services,
-            *cmd_list,
-        )
-        print('-' * 80)
+        cmd_list = shlex.split(cmd) if cmd else []
+
+        if self.args.verbose:
+            print(
+                '>>>',
+                self.compose_app,
+                *self.compose_args,
+                *args,
+                *extras,
+                *services,
+                *cmd_list,
+            )
+            print('-' * 80)
 
         positional_parameters = (
             self.compose_args + list(args) + extras + services + cmd_list
@@ -120,7 +127,7 @@ def _verify_args(self):
             )
             os._exit(1)
 
-        if self.args.action not in self.ACTIONS:
+        if self.args.action and self.args.action not in self.ACTIONS:
             self._print_error(
                 '[EE] The given action is not valid. Use one of them: '
                 + ','.join(self.ACTIONS)
@@ -159,19 +166,19 @@ def _load_compose_args(self):
                 ['--env-file', self.service_group['env-file']]
             )
 
-        service_group = []
+        compose_path = []
         if isinstance(self.service_group['compose-path'], str):
-            service_group.append(self.service_group['compose-path'])
+            compose_path.append(self.service_group['compose-path'])
         elif isinstance(self.service_group['compose-path'], list):
-            service_group.extend(self.service_group['compose-path'])
+            compose_path.extend(self.service_group['compose-path'])
         else:
             self.self._print_error(
                 '[EE] The attribute compose-path` supports the data types'
                 'string or list.'
             )
             os._exit(1)
 
-        for p in service_group:
+        for p in compose_path:
             self.compose_args.extend(['--file', p])
 
         if self.service_group.get('project-name'):
@@ -184,12 +191,7 @@ def _filter_service_group(self):
 
         if not self.args.service_group:
             if len(groups) > 1:
-                self._print_error(
-                    '[EE] Unable to infer the service group:'
-                    'The service group for this operation was not defined, '
-                    'and there are more than one service group in the '
-                    'configuration file.'
-                )
+                self._print_error('[EE] The service group was not defined.')
                 os._exit(1)
             self.service_group = groups[0]
             return
@@ -221,17 +223,6 @@ def _load_service_names(self):
         elif 'default' in services and services['default']:
             self.service_names = services['default'].split(',')
 
-    # print messages
-
-    def _print_error(self, message: str):
-        print(Fore.RED, message, Fore.RESET)
-
-    def _print_info(self, message: str):
-        print(Fore.BLUE, message, Fore.RESET)
-
-    def _print_warning(self, message: str):
-        print(Fore.YELLOW, message, Fore.RESET)
-
     # container commands
     def _config(self):
         self._call_compose_app('config')
@@ -254,16 +245,15 @@ def _down(self):
         )
 
     def _exec(self):
-        if len(self.service_names) > 1:
+        if not self.args.service:
             self._print_error(
-                '[EE] `exec` sub-command expected just one service as '
-                'parameter'
+                '[EE] `exec` sub-command expected --service parameter.'
             )
             os._exit(1)
 
         self._call_compose_app(
             'exec',
-            services=self.service_names,
+            services=[self.args.service],
             cmd=self.args.cmd,
         )
 
@@ -285,16 +275,15 @@ def _restart(self):
         self._start()
 
     def _run(self):
-        if len(self.service_names) > 1:
+        if not self.args.service:
             self._print_error(
-                '[EE] `run` sub-command expected just one service as '
-                'parameter'
+                '[EE] `run` sub-command expected --service parameter.'
             )
             os._exit(1)
 
         self._call_compose_app(
             'run',
-            services=self.service_names,
+            services=[self.args.service],
             cmd=self.args.cmd,
         )