Allow numbers in project_shortname

.circleci/config.yml

@@ -45,14 +45,6 @@ jobs:
                     pytest
                 when: always
 
-    python-2.7:
-        <<: *test-template
-        docker:
-            - image: circleci/python:2.7-stretch-node-browsers
-              auth:
-                username: dashautomation
-                password: $DASH_PAT_DOCKERHUB
-
     python-3.7-install-test:
         docker:
             - image: circleci/python:3.7-stretch-node-browsers
@@ -112,7 +104,5 @@ workflows:
         jobs:
             - python-3.6:
                 context: dash-docker-hub
-            - python-2.7:
-                context: dash-docker-hub
             - python-3.7-install-test:
                 context: dash-docker-hub

hooks/pre_gen_project.py

@@ -1,5 +1,6 @@
 from __future__ import print_function
 import sys
+import re
 
 full_name = '{{cookiecutter.author_name}}'
 email = '{{cookiecutter.author_email}}'
@@ -9,7 +10,7 @@
 project_shortname_message = '''
 ({variable}={value}) should be a valid Python package name.
 
-Only lowercase letters and `_` are allowed.
+Only lowercase letters, numbers, and `_` are allowed, and the name must start with a non-numeric character. 
 '''
 
 
@@ -23,18 +24,9 @@ def verify(check, variable_name, value, message):
 def package_check(s):
     return '(For package.json)' in s
 
-
-def _check_specials_characters(s):
-    i = ord(s)
-    if i == 95:
-        # Allow for `_`
-        return False
-    return not 96 < i < 123
-
-
 def check_specials_characters(s):
-    return any(_check_specials_characters(x) for x in s)
-
+    pattern = re.compile("^[a-z_][a-z_0-9]*")
+    return not pattern.fullmatch(s)
 
 for values in (
     (package_check, 'author_name', full_name, invalid_package_message),

tests/test_install.py

@@ -59,7 +59,7 @@ def test_install(cookies, dash_duo):
         ['Project.toml'],
         ['deps', 'test_component.min.js'],
         ['deps', 'test_component.min.js.map'],
-        ['src', 'dash_testcomponent.jl'],
+        ['src', 'jl', 'dash_testcomponent.jl'],
         ['src', 'TestComponent.jl'],
     ]