Make brother_ql info a click.group()

README.md

@@ -82,7 +82,7 @@ The main user interface of this package is the command line tool `brother_ql`.
     Commands:
       analyze   interpret a binary file containing raster...
       discover  find connected label printers
-      info      list available choices (for labels or models)
+      info      list available labels, models etc.
       print     Print a label
       send      send an instruction file to the printer
 

brother_ql/cli.py

@@ -53,69 +53,71 @@ def discover_and_list_available_devices(backend):
     log_discovered_devices(available_devices)
     print(textual_description_discovered_devices(available_devices))
 
-@cli.command()
-@click.argument('info', click.Choice(('labels', 'models', 'env')))
+@cli.group()
 @click.pass_context
 def info(ctx, *args, **kwargs):
-    """ list available choices (for labels or models) """
-    if kwargs['info'] == 'models':
-        """List the models (choices for --model)
-        
-        List the models that can be used with this software.
-        Those are the choices avaiable for the --model option.
-        """
-        print('Supported models:')
-        for model in models: print(" " + model)
-
-    elif kwargs['info'] == 'labels':
-        """
-        List labels (types and sizes).
-
-        This command lists all labels (label types and label sizes)
-        that can be used with this software. """
-        from brother_ql.output_helpers import textual_label_description
-        print(textual_label_description(label_sizes))
-
-    elif kwargs['info'] == 'env':
-        """
-        Print information about the running environment of brother_ql.
-        """
-        import sys, platform, os, shutil
-        from pkg_resources import get_distribution, working_set
-        print("\n##################\n")
-        print("Information about the running environment of brother_ql.")
-        print("(Please provide this information when reporting any issue.)\n")
-        # computer
-        print("About the computer:")
-        for attr in ('platform', 'processor', 'release', 'system', 'machine', 'architecture'):
-            print('  * '+attr.title()+':', getattr(platform, attr)())
-        # Python
-        print("About the installed Python version:")
-        py_version = str(sys.version).replace('\n', ' ')
-        print("  *", py_version)
-        # brother_ql
-        print("About the brother_ql package:")
-        pkg = get_distribution('brother_ql')
-        print("  * package location:", pkg.location)
-        print("  * package version: ", pkg.version)
-        try:
-            cli_loc = shutil.which('brother_ql')
-        except:
-            cli_loc = 'unknown'
-        print("  * brother_ql CLI path:", cli_loc)
-        # brother_ql's requirements
-        print("About the requirements of brother_ql:")
-        fmt = "  {req:14s} | {spec:10s} | {ins_vers:17s}"
-        print(fmt.format(req='requirement', spec='requested', ins_vers='installed version'))
-        print(fmt.format(req='-' * 14, spec='-'*10, ins_vers='-'*17))
-        requirements = list(pkg.requires())
-        requirements.sort(key=lambda x: x.project_name)
-        for req in requirements:
-            proj = req.project_name
-            req_pkg = get_distribution(proj)
-            spec = ' '.join(req.specs[0]) if req.specs else 'any'
-            print(fmt.format(req=proj, spec=spec, ins_vers=req_pkg.version))
-        print("\n##################\n")
+    """ list available labels, models etc. """
+
+@info.command(name='models')
+@click.pass_context
+def models_cmd(ctx, *args, **kwargs):
+    """
+    List the choices for --model
+    """
+    print('Supported models:')
+    for model in models: print(" " + model)
+
+@info.command()
+@click.pass_context
+def labels(ctx, *args, **kwargs):
+    """
+    List the choices for --label
+    """
+    from brother_ql.output_helpers import textual_label_description
+    print(textual_label_description(label_sizes))
+
+@info.command()
+@click.pass_context
+def env(ctx, *args, **kwargs):
+    """
+    print debug info about running environment
+    """
+    import sys, platform, os, shutil
+    from pkg_resources import get_distribution, working_set
+    print("\n##################\n")
+    print("Information about the running environment of brother_ql.")
+    print("(Please provide this information when reporting any issue.)\n")
+    # computer
+    print("About the computer:")
+    for attr in ('platform', 'processor', 'release', 'system', 'machine', 'architecture'):
+        print('  * '+attr.title()+':', getattr(platform, attr)())
+    # Python
+    print("About the installed Python version:")
+    py_version = str(sys.version).replace('\n', ' ')
+    print("  *", py_version)
+    # brother_ql
+    print("About the brother_ql package:")
+    pkg = get_distribution('brother_ql')
+    print("  * package location:", pkg.location)
+    print("  * package version: ", pkg.version)
+    try:
+        cli_loc = shutil.which('brother_ql')
+    except:
+        cli_loc = 'unknown'
+    print("  * brother_ql CLI path:", cli_loc)
+    # brother_ql's requirements
+    print("About the requirements of brother_ql:")
+    fmt = "  {req:14s} | {spec:10s} | {ins_vers:17s}"
+    print(fmt.format(req='requirement', spec='requested', ins_vers='installed version'))
+    print(fmt.format(req='-' * 14, spec='-'*10, ins_vers='-'*17))
+    requirements = list(pkg.requires())
+    requirements.sort(key=lambda x: x.project_name)
+    for req in requirements:
+        proj = req.project_name
+        req_pkg = get_distribution(proj)
+        spec = ' '.join(req.specs[0]) if req.specs else 'any'
+        print(fmt.format(req=proj, spec=spec, ins_vers=req_pkg.version))
+    print("\n##################\n")
 
 @cli.command('print', short_help='Print a label')
 @click.argument('images', nargs=-1, metavar='IMAGE [IMAGE] ...')