fix: add a table for package help text.

samcli/cli/context.py

@@ -7,6 +7,7 @@
 from typing import List, Optional, cast
 
 import click
+from rich.console import Console
 
 from samcli.cli.formatters import RootCommandHelpTextFormatter
 from samcli.commands.exceptions import AWSServiceClientError
@@ -44,6 +45,11 @@ def __init__(self):
         self._session_id = str(uuid.uuid4())
         self._experimental = False
         self._exception = None
+        self._console = Console()
+
+    @property
+    def console(self):
+        return self._console
 
     @property
     def exception(self):

samcli/commands/_utils/options.py

@@ -326,7 +326,7 @@ def no_progressbar_click_option():
         default=False,
         required=False,
         is_flag=True,
-        help="Does not showcase a progress bar when uploading artifacts to s3 and pushing docker images to ECR",
+        help="Does not showcase a progress bar when uploading artifacts to S3 and pushing docker images to ECR",
     )
 
 
@@ -679,9 +679,9 @@ def resolve_s3_click_option(guided):
         required=False,
         is_flag=True,
         callback=callback,
-        help="Automatically resolve s3 bucket for non-guided deployments. "
-        "Enabling this option will also create a managed default s3 bucket for you. "
-        "If you do not provide a --s3-bucket value, the managed bucket will be used. "
+        help="Automatically resolve AWS S3 bucket for non-guided deployments. "
+        "Enabling this option will also create a managed default AWS S3 bucket for you. "
+        "If one does not provide a --s3-bucket value, the managed bucket will be used. "
         "Do not use --guided with this option.",
     )
 

samcli/commands/package/command.py

@@ -21,6 +21,7 @@
     template_click_option,
     use_json_option,
 )
+from samcli.commands.package.core.command import PackageCommand
 from samcli.lib.bootstrap.bootstrap import manage_stack
 from samcli.lib.cli_validation.image_repository_validation import image_repository_validation
 from samcli.lib.telemetry.metric import track_command, track_template_warnings
@@ -42,20 +43,30 @@ def resources_and_properties_help_string():
     )
 
 
-HELP_TEXT = (
-    """The SAM package command creates and uploads artifacts based on the package type of a given resource.
-It uploads local images to ECR for `Image` package types.
-It creates zip of your code and dependencies and uploads it to S3 for other package types.
-The command returns a copy of your template, replacing references to local artifacts
-with the AWS location where the command uploaded the artifacts.
-
-The following resources and their property locations are supported.
-"""
-    + resources_and_properties_help_string()
-)
+DESCRIPTION = """
+  Creates and uploads artifacts based on the package type of a given resource.
+  It uploads local images to ECR for `Image` package types.
+  It creates a zip of code and dependencies and uploads it to S3 for `Zip` package types. 
+
+  A new template is returned which replaces references to local artifacts
+  with the AWS location where the command uploaded the artifacts.
+    """
 
 
-@click.command("package", short_help=SHORT_HELP, help=HELP_TEXT, context_settings=dict(max_content_width=120))
+@click.command(
+    "package",
+    short_help=SHORT_HELP,
+    context_settings={
+        "ignore_unknown_options": False,
+        "allow_interspersed_args": True,
+        "allow_extra_args": True,
+        "max_content_width": 120,
+    },
+    cls=PackageCommand,
+    help=SHORT_HELP,
+    description=DESCRIPTION,
+    requires_credentials=True,
+)
 @configuration_option(provider=TomlProvider(section="parameters"))
 @template_click_option(include_build=True)
 @click.option(

samcli/commands/package/core/command.py

@@ -0,0 +1,138 @@
+"""
+`sam package` command class for help text visual layer.
+"""
+import click
+from click import Context, style
+from rich.table import Table
+
+from samcli.cli.core.command import CoreCommand
+from samcli.cli.row_modifiers import RowDefinition, ShowcaseRowModifier
+from samcli.commands.package.core.formatters import PackageCommandHelpTextFormatter
+from samcli.commands.package.core.options import OPTIONS_INFO
+from samcli.lib.utils.resources import resources_generator
+
+COL_SIZE_MODIFIER = 38
+
+
+class PackageCommand(CoreCommand):
+    """
+    `sam` package specific command class that specializes in the visual appearance
+    of `sam package` help text.
+    It hosts a custom formatter, examples, table for supported resources, acronyms
+    and how options are to be used in the CLI for `sam package`.
+    """
+
+    class CustomFormatterContext(Context):
+        formatter_class = PackageCommandHelpTextFormatter
+
+    context_class = CustomFormatterContext
+
+    @staticmethod
+    def format_examples(ctx: Context, formatter: PackageCommandHelpTextFormatter):
+        with formatter.indented_section(name="Examples", extra_indents=1):
+            with formatter.indented_section(name="Automatic resolution of S3 buckets", extra_indents=1):
+                formatter.write_rd(
+                    [
+                        RowDefinition(
+                            text="\n",
+                        ),
+                        RowDefinition(
+                            name=style(f"$ {ctx.command_path} --resolve-s3"),
+                            extra_row_modifiers=[ShowcaseRowModifier()],
+                        ),
+                    ],
+                    col_max=COL_SIZE_MODIFIER,
+                )
+            with formatter.indented_section(name="Get packaged template", extra_indents=1):
+                formatter.write_rd(
+                    [
+                        RowDefinition(
+                            text="\n",
+                        ),
+                        RowDefinition(
+                            name=style(f"$ {ctx.command_path} --resolve-s3 --output-template-file packaged.yaml"),
+                            extra_row_modifiers=[ShowcaseRowModifier()],
+                        ),
+                    ],
+                    col_max=COL_SIZE_MODIFIER,
+                )
+            with formatter.indented_section(name="Customized location for uploading artifacts", extra_indents=1):
+                formatter.write_rd(
+                    [
+                        RowDefinition(
+                            text="\n",
+                        ),
+                        RowDefinition(
+                            name=style(
+                                f"$ {ctx.command_path} --s3-bucket S3_BUCKET --output-template-file packaged.yaml"
+                            ),
+                            extra_row_modifiers=[ShowcaseRowModifier()],
+                        ),
+                    ],
+                    col_max=COL_SIZE_MODIFIER,
+                )
+
+    @staticmethod
+    def format_table(formatter: PackageCommandHelpTextFormatter):
+        with formatter.section(name="Supported Resources"):
+            pass
+        ctx = click.get_current_context()
+        table = Table(width=ctx.max_content_width)
+        table.add_column("Resource")
+        table.add_column("Location")
+        for resource, location in resources_generator():
+            table.add_row(resource, location)
+        with ctx.obj.console.capture() as capture:
+            ctx.obj.console.print(table)
+        formatter.write_rd(
+            [
+                RowDefinition(name="\n"),
+                RowDefinition(name=capture.get()),
+            ],
+            col_max=COL_SIZE_MODIFIER,
+        )
+
+    @staticmethod
+    def format_acronyms(formatter: PackageCommandHelpTextFormatter):
+        with formatter.indented_section(name="Acronyms", extra_indents=1):
+            formatter.write_rd(
+                [
+                    RowDefinition(
+                        text="\n",
+                    ),
+                    RowDefinition(
+                        name="S3",
+                        text="Simple Storage Service",
+                        extra_row_modifiers=[ShowcaseRowModifier()],
+                    ),
+                    RowDefinition(
+                        name="ECR",
+                        text="Elastic Container Registry",
+                        extra_row_modifiers=[ShowcaseRowModifier()],
+                    ),
+                    RowDefinition(
+                        name="KMS",
+                        text="Key Management Service",
+                        extra_row_modifiers=[ShowcaseRowModifier()],
+                    ),
+                ],
+                col_max=COL_SIZE_MODIFIER,
+            )
+
+    def format_options(self, ctx: Context, formatter: PackageCommandHelpTextFormatter) -> None:  # type:ignore
+        # `ignore` is put in place here for mypy even though it is the correct behavior,
+        # as the `formatter_class` can be set in subclass of Command. If ignore is not set,
+        # mypy raises argument needs to be HelpFormatter as super class defines it.
+
+        self.format_description(formatter)
+        PackageCommand.format_examples(ctx, formatter)
+        PackageCommand.format_table(formatter)
+        PackageCommand.format_acronyms(formatter)
+
+        CoreCommand._format_options(
+            ctx=ctx,
+            params=self.get_params(ctx),
+            formatter=formatter,
+            formatting_options=OPTIONS_INFO,
+            write_rd_overrides={"col_max": COL_SIZE_MODIFIER},
+        )

samcli/commands/package/core/formatters.py

@@ -0,0 +1,19 @@
+from samcli.cli.formatters import RootCommandHelpTextFormatter
+from samcli.cli.row_modifiers import BaseLineRowModifier
+from samcli.commands.deploy.core.options import ALL_OPTIONS
+
+
+class PackageCommandHelpTextFormatter(RootCommandHelpTextFormatter):
+    # Picked an additive constant that gives an aesthetically pleasing look.
+    ADDITIVE_JUSTIFICATION = 15
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        # Add Additional space after determining the longest option.
+        # However, do not justify with padding for more than half the width of
+        # the terminal to retain aesthetics.
+        self.left_justification_length = min(
+            max([len(option) for option in ALL_OPTIONS]) + self.ADDITIVE_JUSTIFICATION,
+            self.width // 2 - self.indent_increment,
+        )
+        self.modifiers = [BaseLineRowModifier()]

samcli/commands/package/core/options.py

@@ -0,0 +1,68 @@
+"""
+Package Command Options related Datastructures for formatting.
+"""
+from typing import Dict, List
+
+from samcli.cli.core.options import ALL_COMMON_OPTIONS, add_common_options_info
+from samcli.cli.row_modifiers import RowDefinition
+
+# The ordering of the option lists matter, they are the order in which options will be displayed.
+
+REQUIRED_OPTIONS: List[str] = ["s3_bucket", "resolve_s3"]
+
+AWS_CREDENTIAL_OPTION_NAMES: List[str] = ["region", "profile"]
+
+INFRASTRUCTURE_OPTION_NAMES: List[str] = [
+    "s3_prefix",
+    "image_repository",
+    "image_repositories",
+    "kms_key_id",
+    "metadata",
+]
+
+DEPLOYMENT_OPTIONS: List[str] = [
+    "force_upload",
+]
+
+CONFIGURATION_OPTION_NAMES: List[str] = ["config_env", "config_file"]
+
+ADDITIONAL_OPTIONS: List[str] = [
+    "no_progressbar",
+    "signing_profiles",
+    "template_file",
+    "output_template_file",
+    "use_json",
+]
+
+ALL_OPTIONS: List[str] = (
+    REQUIRED_OPTIONS
+    + AWS_CREDENTIAL_OPTION_NAMES
+    + INFRASTRUCTURE_OPTION_NAMES
+    + DEPLOYMENT_OPTIONS
+    + CONFIGURATION_OPTION_NAMES
+    + ADDITIONAL_OPTIONS
+    + ALL_COMMON_OPTIONS
+)
+
+OPTIONS_INFO: Dict[str, Dict] = {
+    "Required Options": {"option_names": {opt: {"rank": idx} for idx, opt in enumerate(REQUIRED_OPTIONS)}},
+    "AWS Credential Options": {
+        "option_names": {opt: {"rank": idx} for idx, opt in enumerate(AWS_CREDENTIAL_OPTION_NAMES)}
+    },
+    "Infrastructure Options": {
+        "option_names": {opt: {"rank": idx} for idx, opt in enumerate(INFRASTRUCTURE_OPTION_NAMES)}
+    },
+    "Package Management Options": {"option_names": {opt: {"rank": idx} for idx, opt in enumerate(DEPLOYMENT_OPTIONS)}},
+    "Configuration Options": {
+        "option_names": {opt: {"rank": idx} for idx, opt in enumerate(CONFIGURATION_OPTION_NAMES)},
+        "extras": [
+            RowDefinition(name="Learn more about configuration files at:"),
+            RowDefinition(
+                name="https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/serverless-sam-cli"
+                "-config.html. "
+            ),
+        ],
+    },
+    "Additional Options": {"option_names": {opt: {"rank": idx} for idx, opt in enumerate(ADDITIONAL_OPTIONS)}},
+}
+add_common_options_info(OPTIONS_INFO)

tests/unit/cli/test_context.py

@@ -5,6 +5,8 @@
 from unittest import TestCase
 from unittest.mock import patch, ANY
 
+from rich.console import Console
+
 from samcli.cli.context import Context
 from samcli.lib.utils.sam_logging import (
     SamCliLogger,
@@ -20,6 +22,10 @@ def test_must_initialize_with_defaults(self):
 
         self.assertEqual(ctx.debug, False, "debug must default to False")
 
+    def test_must_have_console(self):
+        ctx = Context()
+        self.assertTrue(isinstance(ctx.console, Console))
+
     def test_must_set_get_debug_flag(self):
         ctx = Context()