bitbake: bb/fetch2: Move export_proxies function from wget to utils.

In order to use in other modules since is a common function
when needs to get proxies working.

(Bitbake rev: 85c529044381895556d603a3974de22392646a22)

Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/fetch2/wget.py

@@ -37,6 +37,7 @@ from   bb.fetch2 import FetchMethod
 from   bb.fetch2 import FetchError
 from   bb.fetch2 import logger
 from   bb.fetch2 import runfetchcmd
+from   bb.utils import export_proxies
 from   bs4 import BeautifulSoup
 from   bs4 import SoupStrainer
 
@@ -219,22 +220,6 @@ class Wget(FetchMethod):
 
                 return resp
 
-        def export_proxies(d):
-            variables = ['http_proxy', 'HTTP_PROXY', 'https_proxy', 'HTTPS_PROXY',
-                            'ftp_proxy', 'FTP_PROXY', 'no_proxy', 'NO_PROXY']
-            exported = False
-
-            for v in variables:
-                if v in os.environ.keys():
-                    exported = True
-                else:
-                    v_proxy = d.getVar(v, True)
-                    if v_proxy is not None:
-                        os.environ[v] = v_proxy
-                        exported = True
-
-            return exported
-
         class HTTPMethodFallback(urllib2.BaseHandler):
             """
             Fallback to GET if HEAD is not allowed (405 HTTP error)

bitbake/lib/bb/utils.py

@@ -1406,3 +1406,22 @@ def set_process_name(name):
         libc.prctl(15, byref(buff), 0, 0, 0)
     except:
         pass
+
+# export common proxies variables from datastore to environment
+def export_proxies(d):
+    import os
+
+    variables = ['http_proxy', 'HTTP_PROXY', 'https_proxy', 'HTTPS_PROXY',
+                    'ftp_proxy', 'FTP_PROXY', 'no_proxy', 'NO_PROXY']
+    exported = False
+
+    for v in variables:
+        if v in os.environ.keys():
+            exported = True
+        else:
+            v_proxy = d.getVar(v, True)
+            if v_proxy is not None:
+                os.environ[v] = v_proxy
+                exported = True
+
+    return exported