Merge branch 'master' of github.com:web2py/web2py

anyserver.py

@@ -212,16 +212,16 @@ def mongrel2_handler(application, conn, debug=False):
 
     while True:
         if debug:
-            print "WAITING FOR REQUEST"
+            print("WAITING FOR REQUEST")
 
         # receive a request
         req = conn.recv()
         if debug:
-            print "REQUEST BODY: %r\n" % req.body
+            print("REQUEST BODY: %r\n" % req.body)
 
         if req.is_disconnect():
             if debug:
-                print "DISCONNECT"
+                print("DISCONNECT")
             continue  # effectively ignore the disconnect from the client
 
         # Set a couple of environment attributes a.k.a. header attributes
@@ -247,7 +247,7 @@ def mongrel2_handler(application, conn, debug=False):
         environ['wsgi.input'] = req.body
 
         if debug:
-            print "ENVIRON: %r\n" % environ
+            print("ENVIRON: %r\n" % environ)
 
         # SimpleHandler needs file-like stream objects for
         # requests, errors and responses
@@ -282,10 +282,10 @@ def mongrel2_handler(application, conn, debug=False):
 
         # return the response
         if debug:
-            print "RESPONSE: %r\n" % response
+            print("RESPONSE: %r\n" % response)
         if errors:
             if debug:
-                print "ERRORS: %r" % errors
+                print("ERRORS: %r" % errors)
             data = "%s\r\n\r\n%s" % (data, errors)
         conn.reply_http(
             req, data, code=code, status=status, headers=headers)
@@ -355,8 +355,8 @@ def main():
                       dest='workers',
                       help='number of workers number')
     (options, args) = parser.parse_args()
-    print 'starting %s on %s:%s...' % (
-        options.server, options.ip, options.port)
+    print('starting %s on %s:%s...' % (
+        options.server, options.ip, options.port))
     run(options.server, options.ip, options.port,
         logging=options.logging, profiler=options.profiler_dir,
         options=options)

gluon/compileapp.py

@@ -15,7 +15,7 @@ Note:
 
 import re
 import fnmatch
-import os
+import os, sys
 import copy
 import random
 from gluon._compat import builtin, PY2, unicodeT, to_native, to_bytes, iteritems, basestring, reduce, xrange, long, reload
@@ -52,7 +52,10 @@ is_gae = settings.global_settings.web2py_runtime_gae
 is_jython = settings.global_settings.is_jython
 pjoin = os.path.join
 
-marshal_header_size = 8 if PY2 else 12
+if PY2:
+    marshal_header_size = 8
+else:
+    marshal_header_size = 16 if sys.version_info[1] >= 7 else 12
 
 TEST_CODE = \
     r"""

gluon/main.py

@@ -31,7 +31,7 @@ from gluon._compat import Cookie, urllib2
 
 from gluon.fileutils import abspath, write_file
 from gluon.settings import global_settings
-from gluon.utils import web2py_uuid
+from gluon.utils import web2py_uuid, unlocalised_http_header_date
 from gluon.admin import add_path_first, create_missing_folders, create_missing_app_folders
 from gluon.globals import current
 
@@ -199,8 +199,7 @@ def serve_controller(request, response, session):
         ('Content-Type', contenttype('.' + request.extension)),
         ('Cache-Control',
          'no-store, no-cache, must-revalidate, post-check=0, pre-check=0'),
-        ('Expires', time.strftime('%a, %d %b %Y %H:%M:%S GMT',
-                                  time.gmtime())),
+        ('Expires', unlocalised_http_header_date(time.gmtime())),
         ('Pragma', 'no-cache')]
     for key, value in default_headers:
         response.headers.setdefault(key, value)

gluon/streamer.py

@@ -16,6 +16,7 @@ import time
 import re
 import errno
 from gluon.http import HTTP
+from gluon.utils import unlocalised_http_header_date
 from gluon.contenttype import contenttype
 from gluon._compat import PY2
 
@@ -74,7 +75,7 @@ def stream_file_or_304_or_206(
     stat_file = os.stat(static_file)
     fsize = stat_file[stat.ST_SIZE]
     modified = stat_file[stat.ST_MTIME]
-    mtime = time.strftime('%a, %d %b %Y %H:%M:%S GMT', time.gmtime(modified))
+    mtime = unlocalised_http_header_date(time.gmtime(modified))
     headers.setdefault('Content-Type', contenttype(static_file))
     headers.setdefault('Last-Modified', mtime)
     headers.setdefault('Pragma', 'cache')

gluon/tools.py

@@ -3447,7 +3447,8 @@ class Auth(AuthAPI):
         if log is DEFAULT:
             log = self.messages['reset_password_log']
         userfield = self.settings.login_userfield or 'username' \
-            if 'username' in table_user.fields else 'email'
+            if self.settings.login_userfield or 'username' \
+            in table_user.fields else 'email'
         if userfield == 'email':
             table_user.email.requires = [
                 IS_EMAIL(error_message=self.messages.invalid_email),
@@ -3455,7 +3456,7 @@ class Auth(AuthAPI):
                          error_message=self.messages.invalid_email)]
             if not self.settings.email_case_sensitive:
                 table_user.email.requires.insert(0, IS_LOWER())
-        else:
+        elif userfield == 'username':
             table_user.username.requires = [
                 IS_IN_DB(self.db, table_user.username,
                          error_message=self.messages.invalid_username)]

gluon/utils.py

@@ -462,3 +462,51 @@ def local_html_escape(data, quote=False):
             data = data.replace(b'"', b""")
             data = data.replace(b'\'', b"'")
         return data
+
+
+def unlocalised_http_header_date(data):
+    """
+    Converts input datetime to format defined by RFC 7231, section 7.1.1.1
+
+    Previously, %a and %b formats were used for weekday and month names, but
+    those are not locale-safe. uWSGI requires latin1-encodable headers and
+    for example in cs_CS locale, fourth day in week is not encodable in latin1,
+    as it's "Čt".
+
+    Example output: Sun, 06 Nov 1994 08:49:37 GMT
+    """
+
+    short_weekday = {
+        "0": "Sun",
+        "1": "Mon",
+        "2": "Tue",
+        "3": "Wed",
+        "4": "Thu",
+        "5": "Fri",
+        "6": "Sat",
+    }.get(time.strftime("%w", data))
+
+    day_of_month = time.strftime("%d", data)
+
+    short_month = {
+        "01": "Jan",
+        "02": "Feb",
+        "03": "Mar",
+        "04": "Apr",
+        "05": "May",
+        "06": "Jun",
+        "07": "Jul",
+        "08": "Aug",
+        "09": "Sep",
+        "10": "Oct",
+        "11": "Nov",
+        "12": "Dec",
+    }.get(time.strftime("%m", data))
+
+    year_and_time = time.strftime("%Y %H:%M:%S GMT")
+
+    return "{}, {} {} {}".format(
+        short_weekday,
+        day_of_month,
+        short_month,
+        year_and_time)