From 1d10fffde4d3f4fc0235abba8afc4904a91c4ebd Mon Sep 17 00:00:00 2001
From: Chris Mayo <aklhfex@gmail.com>
Date: Thu, 30 Dec 2021 19:27:04 +0000
Subject: [PATCH] Use package metadata

---
 .github/workflows/build.yml         |  2 +-
 .github/workflows/publish-pages.yml |  2 +-
 linkcheck/__init__.py               |  6 ++++--
 linkcheck/configuration/__init__.py | 18 +++++++++++++-----
 setup.py                            | 24 +-----------------------
 5 files changed, 20 insertions(+), 32 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d96551c3..c89c584b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -106,7 +106,7 @@ jobs:
 
       - name: Build
         run: |
-          python3 setup.py build
+          python3 setup.py build egg_info
           make -C doc code
           make -C doc html
           make -C doc locale
diff --git a/.github/workflows/publish-pages.yml b/.github/workflows/publish-pages.yml
index 43a5472d..5aa6576c 100644
--- a/.github/workflows/publish-pages.yml
+++ b/.github/workflows/publish-pages.yml
@@ -32,7 +32,7 @@ jobs:
 
       - name: Build
         run: |
-            python3 setup.py build
+            python3 setup.py build egg_info
             make -C doc code
             make -C doc html
 
diff --git a/linkcheck/__init__.py b/linkcheck/__init__.py
index a13f0a49..e71503e7 100644
--- a/linkcheck/__init__.py
+++ b/linkcheck/__init__.py
@@ -42,6 +42,7 @@ from .logconf import (
 )
 import _LinkChecker_configdata as configdata
 
+COMMAND_NAME = "linkchecker"
 PACKAGE_NAME = __package__
 
 
@@ -107,8 +108,9 @@ def init_i18n(loc=None):
     if 'LOCPATH' in os.environ:
         locdir = os.environ['LOCPATH']
     else:
-        locdir = os.path.join(get_install_data(), 'share', 'locale')
-    i18n.init(configdata.name.lower(), locdir, loc=loc)
+        # Need Python 3.9 for importlib.resources.files
+        locdir = os.path.join(__path__[0], 'data', 'locale')
+    i18n.init(COMMAND_NAME, locdir, loc=loc)
     # install translated log level names
     import logging
 
diff --git a/linkcheck/configuration/__init__.py b/linkcheck/configuration/__init__.py
index 43b8539f..fc9d4387 100644
--- a/linkcheck/configuration/__init__.py
+++ b/linkcheck/configuration/__init__.py
@@ -23,22 +23,30 @@ import re
 import urllib.parse
 import shutil
 import socket
+
+try:
+    from importlib.metadata import metadata
+except ImportError:
+    # Python 3.7
+    from importlib_metadata import metadata
+
 import _LinkChecker_configdata as configdata
-from .. import log, LOG_CHECK, PACKAGE_NAME, fileutil
+from .. import log, LOG_CHECK, COMMAND_NAME, PACKAGE_NAME, fileutil
 from . import confparse
 from xdg.BaseDirectory import xdg_config_home, xdg_data_home
 
-Version = configdata.version
+linkchecker_metadata = metadata(COMMAND_NAME)
+Version = linkchecker_metadata["Version"]
 ReleaseDate = configdata.release_date
-AppName = configdata.name
+AppName = linkchecker_metadata["Name"]
 App = AppName + " " + Version
-Author = configdata.author
+Author = linkchecker_metadata["Author"]
 HtmlAuthor = Author.replace(' ', '&nbsp;')
 Copyright = "Copyright (C) 2000-2016 Bastian Kleineidam, 2010-2022 " + Author
 HtmlCopyright = ("Copyright &copy; 2000-2016 Bastian&nbsp;Kleineidam, 2010-2022 "
                  + HtmlAuthor)
 HtmlAppInfo = App + ", " + HtmlCopyright
-Url = configdata.url
+Url = linkchecker_metadata["Home-page"]
 SupportUrl = "https://github.com/linkchecker/linkchecker/issues"
 UserAgent = "Mozilla/5.0 (compatible; %s/%s; +%s)" % (AppName, Version, Url)
 Freeware = (
diff --git a/setup.py b/setup.py
index fe11f6fc..de0fee6d 100755
--- a/setup.py
+++ b/setup.py
@@ -141,7 +141,7 @@ class MyInstallLib(install_lib):
         cmd_obj = self.distribution.get_command_obj("install")
         cmd_obj.ensure_finalized()
         # we have to write a configuration file because we need the
-        # <install_data> directory (and other stuff like author, url, ...)
+        # <install_data> directory
         # all paths are made absolute by cnormpath()
         data = []
         for d in ["purelib", "platlib", "lib", "headers", "scripts", "data"]:
@@ -230,28 +230,6 @@ class MyDistribution(Distribution):
             directory = os.getcwd()
         filename = self.get_conf_filename(directory)
         # add metadata
-        metanames = (
-            "name",
-            "version",
-            "author",
-            "author_email",
-            "maintainer",
-            "maintainer_email",
-            "url",
-            "license",
-            "description",
-            "long_description",
-            "keywords",
-            "platforms",
-            "fullname",
-            "contact",
-            "contact_email",
-        )
-        for name in metanames:
-            method = "get_" + name
-            val = getattr(self.metadata, method)()
-            cmd = "%s = %r" % (name, val)
-            data.append(cmd)
         data.append('release_date = "%s"' % get_release_date())
         # write the config file
         util.execute(