lib/dpl/provider.rb in dpl-1.7.8.travis.651.1 vs lib/dpl/provider.rb in dpl-1.7.8.travis.653.1

@@ -40,11 +40,13 @@
       return super if self < Provider
 
       context.fold("Installing deploy dependencies") do
         name = super.option(:provider).to_s.downcase.gsub(/[^a-z0-9]/, '')
         raise Error, 'could not find provider %p' % options[:provider] unless name = constants.detect { |c| c.to_s.downcase == name }
-        const_get(name).new(context, options)
+        provider = const_get(name).new(context, options)
+        provider.install_deploy_dependencies if provider.respond_to?(:install_deploy_dependencies)
+        provider
       end
     end
 
     def self.experimental(name)
       puts "", "!!! #{name} support is experimental !!!", ""
@@ -71,11 +73,18 @@
 
     def self.apt_get(name, command = name)
       context.shell("sudo apt-get -qq install #{name}", retry: true) if `which #{command}`.chop.empty?
     end
 
-    def self.pip(name, command = name)
-      context.shell("sudo pip install #{name}", retry: true) if `which #{command}`.chop.empty?
+    def self.pip(name, command = name, version = nil)
+      if version
+        puts "sudo pip install #{name}==#{version}"
+        context.shell("sudo pip uninstall -y #{name}") unless `which #{command}`.chop.empty?
+        context.shell("sudo pip install #{name}==#{version}", retry: true)
+      else
+        puts "sudo pip install #{name}"
+        context.shell("sudo pip install #{name}", retry: true) if `which #{command}`.chop.empty?
+      end
     end
 
     def self.npm_g(name, command = name)
       context.shell("npm install -g #{name}", retry: true) if `which #{command}`.chop.empty?
     end