add support for --version option; expose --version and --help over HTTP

2 files changed, 46 insertions, 19 deletions

diff --git a/src/hydrilla/server/locales/en_US/LC_MESSAGES/hydrilla-messages.po b/src/hydrilla/server/locales/en_US/LC_MESSAGES/hydrilla-messages.po
index 6b5b25a..a532a37 100644
--- a/src/hydrilla/server/locales/en_US/LC_MESSAGES/hydrilla-messages.po
+++ b/src/hydrilla/server/locales/en_US/LC_MESSAGES/hydrilla-messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: hydrilla.builder 0.1\n"
 "Report-Msgid-Bugs-To: koszko@koszko.org\n"
-"POT-Creation-Date: 2022-02-12 16:10+0100\n"
+"POT-Creation-Date: 2022-04-19 14:22+0200\n"
 "PO-Revision-Date: 2022-02-12 00:00+0000\n"
 "Last-Translator: Wojtek Kosior <koszko@koszko.org>\n"
 "Language: en_US\n"
@@ -18,90 +18,105 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Generated-By: Babel 2.8.0\n"
 
-#: src/hydrilla/server/serve.py:110
+#: src/hydrilla/server/serve.py:122
 #, python-brace-format
 msgid "uuid_mismatch_{identifier}"
 msgstr "Two different uuids were specified for item '{identifier}'."
 
-#: src/hydrilla/server/serve.py:117
+#: src/hydrilla/server/serve.py:129
 #, python-brace-format
 msgid "version_clash_{identifier}_{version}"
 msgstr "Version '{version}' specified more than once for item '{identifier}'."
 
-#: src/hydrilla/server/serve.py:233 src/hydrilla/server/serve.py:245
+#: src/hydrilla/server/serve.py:245 src/hydrilla/server/serve.py:257
 msgid "invalid_URL_{}"
 msgstr "Invalid URL/pattern: '{}'."
 
-#: src/hydrilla/server/serve.py:237
+#: src/hydrilla/server/serve.py:249
 msgid "disallowed_protocol_{}"
 msgstr "Disallowed protocol: '{}'."
 
-#: src/hydrilla/server/serve.py:290
+#: src/hydrilla/server/serve.py:302
 msgid "malcontent_dir_path_not_dir_{}"
 msgstr "Provided 'malcontent_dir' path does not name a directory: {}"
 
-#: src/hydrilla/server/serve.py:309
+#: src/hydrilla/server/serve.py:321
 msgid "couldnt_load_item_from_{}"
 msgstr "Couldn't load item from {}."
 
-#: src/hydrilla/server/serve.py:335
+#: src/hydrilla/server/serve.py:347
 msgid "item_{item}_in_file_{file}"
 msgstr "Item {item} incorrectly present under {file}."
 
-#: src/hydrilla/server/serve.py:341
+#: src/hydrilla/server/serve.py:353
 msgid "item_version_{ver}_in_file_{file}"
 msgstr "Item version {ver} incorrectly present under {file}."
 
-#: src/hydrilla/server/serve.py:364
+#: src/hydrilla/server/serve.py:376
 msgid "no_dep_{resource}_{ver}_{dep}"
 msgstr "Unknown dependency '{dep}' of resource '{resource}', version '{ver}'."
 
-#: src/hydrilla/server/serve.py:375
+#: src/hydrilla/server/serve.py:387
 msgid "no_payload_{mapping}_{ver}_{payload}"
 msgstr "Unknown payload '{payload}' of mapping '{mapping}', version '{ver}'."
 
-#: src/hydrilla/server/serve.py:401
+#: src/hydrilla/server/serve.py:413
 msgid "couldnt_register_{mapping}_{ver}_{pattern}"
 msgstr ""
 "Couldn't register mapping '{mapping}', version '{ver}' (pattern "
 "'{pattern}')."
 
-#: src/hydrilla/server/serve.py:552
+#: src/hydrilla/server/serve.py:566 src/hydrilla/server/serve.py:588
+#, python-format
+msgid "%(prog)s_%(version)s_license"
+msgstr ""
+"%(prog)s %(version)s\n"
+"Copyright (C) 2021,2022 Wojtek Kosior and contributors.\n"
+"License GPLv3+: GNU AGPL version 3 or later "
+"<https://gnu.org/licenses/gpl.html>\n"
+"This is free software: you are free to change and redistribute it.\n"
+"There is NO WARRANTY, to the extent permitted by law."
+
+#: src/hydrilla/server/serve.py:577
 msgid "directory_to_serve_from_overrides_config"
 msgstr ""
 "Directory to serve files from. Overrides value from the config file (if "
 "any)."
 
-#: src/hydrilla/server/serve.py:554
+#: src/hydrilla/server/serve.py:579
 msgid "project_url_to_display_overrides_config"
 msgstr ""
 "Project url to display on generated HTML pages. Overrides value from the "
 "config file (if any)."
 
-#: src/hydrilla/server/serve.py:556
+#: src/hydrilla/server/serve.py:581
 msgid "tcp_port_to_listen_on_overrides_config"
 msgstr ""
 "TCP port number to listen on (0-65535). Overrides value from the config "
 "file (if any)."
 
-#: src/hydrilla/server/serve.py:559
+#: src/hydrilla/server/serve.py:584
 msgid "path_to_config_file_explain_default"
 msgstr ""
 "Path to Hydrilla server configuration file (optional, by default Hydrilla"
 " loads its own config file, which in turn tries to load "
 "/etc/hydrilla/config.json)."
 
-#: src/hydrilla/server/serve.py:561
+#: src/hydrilla/server/serve.py:586
 msgid "language_to_use_overrides_config"
 msgstr ""
 "Language to use (also affects served HTML files). Overrides value from "
 "the config file (if any)."
 
-#: src/hydrilla/server/serve.py:591
+#: src/hydrilla/server/serve.py:589
+msgid "version_printing"
+msgstr "Print version information and exit."
+
+#: src/hydrilla/server/serve.py:617
 msgid "config_option_{}_not_supplied"
 msgstr "Missing configuration option '{}'."
 
-#: src/hydrilla/server/serve.py:595
+#: src/hydrilla/server/serve.py:621
 msgid "serve_hydrilla_packages_explain_wsgi_considerations"
 msgstr ""
 "Serve Hydrilla packages.\n"
diff --git a/src/hydrilla/server/serve.py b/src/hydrilla/server/serve.py
index 6cb98c2..9e51324 100644
--- a/src/hydrilla/server/serve.py
+++ b/src/hydrilla/server/serve.py
@@ -556,6 +556,15 @@ def query():
 
     return Response(json.dumps(result), mimetype='application/json')
 
+@bp.route('/--help')
+def mm_help():
+    return start.get_help(click.Context(start)) + '\n'
+
+@bp.route('/--version')
+def mm_version():
+    prog_info = {'prog': 'Hydrilla', 'version': _version.version}
+    return _('%(prog)s_%(version)s_license') % prog_info + '\n'
+
 default_config_path = Path('/etc/hydrilla/config.json')
 default_malcontent_dir = '/var/lib/hydrilla/malcontent'
 default_project_url = 'https://hydrillabugs.koszko.org/projects/hydrilla/wiki'
@@ -575,6 +584,9 @@ _ = console_gettext
               help=_('path_to_config_file_explain_default'))
 @click.option('-l', '--language', type=click.STRING,
               help=_('language_to_use_overrides_config'))
+@click.version_option(version=_version.version, prog_name='Hydrilla',
+                      message=_('%(prog)s_%(version)s_license'),
+                      help=_('version_printing'))
 def start(malcontent_dir: Optional[str], hydrilla_project_url: Optional[str],
           port: Optional[int], config_path: Optional[str],
           language: Optional[str]) -> None: