Support 202009 (#841)

* Add EmailMultiAlternatives import

* Add strip_tags import

* Add settings imports and new email test

* Add email increment to ixf and tests

* IX-F Importer: suggested update when it should be add + remove #832

* Take email increment out of if-else

* Add max and min speed settings

* Change validation check for models

* new speed validation

* Add basic user command

* Add pdb cleanup users tool

* Add pretty printing for speed

* Add users as a subparser

* add translation override to signals

* Add parser as parent of subparser

* refactor and change test

* Move override to cover single variable

* Add tooltip option for individual checkboxes

* address 'fix me' issue with field_help helper func

* Add zipcode validator and black format

* Make website required input but zipcode dependent on country

* Add net POC requirement to Netixlan serializer

* Website is now blank=False ie required in all forms

* refine error message

* Require email is not blank and add test

* Change error message

* add website and zipcode test, edit zipcode error message

* change placement of tooltip

* add question mark

* Add comment

* Add runtime error logging for ixp member import

* add uncaught error test

* delete two unused methods

* Rename test file and add different tests

* Add missing email imports (reproduces changes in hot_fix_gh_831)

* add resend methods

* Add missing email imports (reproduces changes in hot_fix_gh_831)

* Add pytest-mock to pipfile

* Add resend email mechanism

* Add email resending

* remove failing assertion

* fix for ticket_aged_proposals

* Wrap resending emails in conditional for commit

* Add resend email tests

* fix mail_Debug bug

* Figure out production mailing and resending settings

* Add stale info field

* default IXF_RESEND_FAILED_EMAILS to False
fix issue with sent being set even if email was not sent
fix issue with output stating resending of emails even if it wasnt

* IX-F Preview - shows the consolidated delete operation when it shouldn't (#824)

* black format (v 19.10)

* black formatting

* black formatting

* pipfile relock

* make changes from #825 play nice with changes from #833

* black to pipenv dev packages

Co-authored-by: Elliot Frank <elliot@20c.com>
Co-authored-by: Stefan Pratter <stefan@20c.com>

peeringdb_server/validators.py

@@ -41,6 +41,30 @@ def validate_phonenumber(phonenumber, country=None):
         raise ValidationError(_("Not a valid phone number (E.164)"))
 
 
+def validate_zipcode(zipcode, country):
+    """
+    Validate a zipcode for a country. If a country has zipcodes, a zipcode
+    is required. If a country does not have zipcodes, it's not required.
+
+
+    Arguments:
+        - zipcode (can be Str or None at this point)
+        - country (two-letter country-code provided in data)
+    Raises:
+        - ValidationError if Zipcode is missing from a country WITH
+        zipcodes
+    Returns:
+        - str: zipcode
+    """
+    if country in settings.NON_ZIPCODE_COUNTRIES:
+        return ""
+    else:
+        if (zipcode is None) or (zipcode == ""):
+            raise ValidationError(_("Input required"))
+        else:
+            return zipcode
+
+
 def validate_prefix(prefix):
     """
     validate ip prefix