[devdocsgjs/main: 1042/1867] Fix get_latest_version for various scrapers

[Andy Holmes <andyholmes src gnome org>]

commit b1a143440f48d71edb78039e94e17f6d2e7dcb2c
Author: Simon Legner <Simon Legner gmail com>
Date:   Fri Feb 7 20:17:09 2020 +0100

    Fix get_latest_version for various scrapers

 lib/docs/scrapers/ansible.rb | 2 +-
 lib/docs/scrapers/dart.rb    | 2 +-
 lib/docs/scrapers/gnuplot.rb | 6 ++++++
 lib/docs/scrapers/pandas.rb  | 4 +---
 4 files changed, 9 insertions(+), 5 deletions(-)
---
diff --git a/lib/docs/scrapers/ansible.rb b/lib/docs/scrapers/ansible.rb
index 6826b393..5a19e393 100644
--- a/lib/docs/scrapers/ansible.rb
+++ b/lib/docs/scrapers/ansible.rb
@@ -71,7 +71,7 @@ module Docs
 
     def get_latest_version(opts)
       doc = fetch_doc('https://docs.ansible.com/ansible/latest/index.html', opts)
-      doc.at_css('.DocSiteProduct-CurrentVersion').content.strip
+      doc.at_css('.version').content.strip
     end
   end
 end
diff --git a/lib/docs/scrapers/dart.rb b/lib/docs/scrapers/dart.rb
index e3b8c289..4522762b 100644
--- a/lib/docs/scrapers/dart.rb
+++ b/lib/docs/scrapers/dart.rb
@@ -33,7 +33,7 @@ module Docs
     def get_latest_version(opts)
       doc = fetch_doc('https://api.dartlang.org/', opts)
       label = doc.at_css('footer > span').content.strip
-      label.sub(/Dart /, '')
+      label.sub(/Dart\s*/, '')
     end
   end
 end
diff --git a/lib/docs/scrapers/gnuplot.rb b/lib/docs/scrapers/gnuplot.rb
index 0682ade4..d6d5b195 100644
--- a/lib/docs/scrapers/gnuplot.rb
+++ b/lib/docs/scrapers/gnuplot.rb
@@ -37,5 +37,11 @@ module Docs
       Distributed under the <a 
href="https://sourceforge.net/p/gnuplot/gnuplot-main/ci/master/tree/Copyright";>gnuplot license</a> (rights to 
distribute modified versions are withheld).
     HTML
 
+    def get_latest_version(opts)
+      doc = fetch_doc('http://www.gnuplot.info/download.html', opts)
+      label = doc.at_css('h2').content.strip
+      label.sub(/[^0-9.]*/, '')
+    end
+
   end
 end
diff --git a/lib/docs/scrapers/pandas.rb b/lib/docs/scrapers/pandas.rb
index e333da7f..fedba47b 100644
--- a/lib/docs/scrapers/pandas.rb
+++ b/lib/docs/scrapers/pandas.rb
@@ -62,9 +62,7 @@ module Docs
     end
 
     def get_latest_version(opts)
-      doc = fetch_doc('http://pandas.pydata.org/pandas-docs/stable/', opts)
-      label = doc.at_css('.body > .section > p').content
-      label.scan(/Version: ([0-9.]+)/)[0][0]
+      get_latest_github_release('pandas-dev', 'pandas', opts)
     end
   end
 end