Remove jinja2 from install_requires

CHANGES.rst

@@ -1,11 +1,12 @@
 CHANGES
 =======
 
-0.1.0 (2016-12-??)
+0.0.7 (2016-12-??)
 ------------------
 
 * headers property in Request object.
 * raw_body property in Request object.
+* Remove jinja2 from install_requires.
 * Update docs.
 
 0.0.6 (2016-12-04)

example/template_and_static_files/README.md

@@ -7,7 +7,7 @@
 Please run with wsgicli.
 
 ```console
-$ pip install kobin wsgicli
+$ pip install kobin wsgicli jinja2
 $ wsgicli app.py app --reload --static --static-root /static/ --static-dirs ./static/
 ```
 

kobin/app.py

@@ -18,7 +18,6 @@ def index() -> Response:
 
 """
 from importlib.machinery import SourceFileLoader
-from jinja2 import Environment, FileSystemLoader
 import os
 import traceback
 
@@ -81,6 +80,7 @@ def __init__(self, root_path, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.root_path = root_path
         self.update(self.default_config)
+
         self.update_jinja2_environment()
 
     def load_from_pyfile(self, file_name):
@@ -94,7 +94,11 @@ def load_from_module(self, module):
         self.update_jinja2_environment()
 
     def update_jinja2_environment(self):
-        self['JINJA2_ENV'] = Environment(loader=FileSystemLoader(self['TEMPLATE_DIRS']))
+        try:
+            from jinja2 import Environment, FileSystemLoader
+            self['JINJA2_ENV'] = Environment(loader=FileSystemLoader(self['TEMPLATE_DIRS']))
+        except ImportError:
+            pass
 
 
 def current_app():

kobin/environs.py

@@ -276,7 +276,10 @@ class TemplateResponse(Response):
 
     def __init__(self, filename, status=200, headers=None, charset='utf-8', **tpl_args):
         from . import current_config
-        self.template = current_config()['JINJA2_ENV'].get_template(filename)
+        jinja2_env = current_config().get('JINJA2_ENV')
+        if jinja2_env is None:
+            raise ImportError('Please install jinja2!')
+        self.template = jinja2_env.get_template(filename)
         self.tpl_args = tpl_args
         super().__init__(body='', status=status, headers=headers, charset=charset)
 

setup.py

@@ -59,7 +59,7 @@ def run_tests(self):
     long_description=README + '\n\n' + CHANGES,
     classifiers=__classifiers__,
     packages=find_packages(exclude=['test*']),
-    install_requires=['jinja2'],
+    install_requires=[],
     keywords='web framework wsgi',
     license=__license__,
     include_package_data=True,