From a72f0f21b3846f3f8a771ab769194b532addda14 Mon Sep 17 00:00:00 2001
From: Matt Robenolt <matt@ydekproductions.com>
Date: Thu, 23 Apr 2020 21:18:26 -0700
Subject: [PATCH 1/2] Add the ability to import filters

Fixes #85
---
 jinja2cli/cli.py        | 19 +++++++++++++++++--
 tests/test_jinja2cli.py |  4 ++--
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/jinja2cli/cli.py b/jinja2cli/cli.py
index 79d84db..840365e 100644
--- a/jinja2cli/cli.py
+++ b/jinja2cli/cli.py
@@ -212,7 +212,7 @@ def _parse_env(data):
 }
 
 
-def render(template_path, data, extensions, strict=False):
+def render(template_path, data, extensions, filters, strict=False):
     from jinja2 import Environment, FileSystemLoader, StrictUndefined
 
     env = Environment(
@@ -227,6 +227,13 @@ def render(template_path, data, extensions, strict=False):
     env.globals["environ"] = lambda key: force_text(os.environ.get(key))
     env.globals["get_context"] = lambda: data
 
+    if filters:
+        from jinja2.utils import import_string
+
+        for filter in set(filters):
+            filter = import_string(filter)
+            env.filters[filter.__name__] = filter
+
     return env.get_template(os.path.basename(template_path)).render(data)
 
 
@@ -312,7 +319,7 @@ def cli(opts, args):
 
         out = codecs.getwriter("utf8")(out)
 
-    out.write(render(template_path, data, extensions, opts.strict))
+    out.write(render(template_path, data, extensions, opts.filters, opts.strict))
     out.flush()
     return 0
 
@@ -379,6 +386,14 @@ def main():
         action="append",
         default=["do", "with_", "autoescape", "loopcontrols"],
     )
+    parser.add_option(
+        "-f",
+        "--filter",
+        help="extra jinja2 filters to load",
+        dest="filters",
+        action="append",
+        default=[],
+    )
     parser.add_option(
         "-D",
         help="Define template variable in the form of key=value",
diff --git a/tests/test_jinja2cli.py b/tests/test_jinja2cli.py
index 181a8bd..9c9aac5 100644
--- a/tests/test_jinja2cli.py
+++ b/tests/test_jinja2cli.py
@@ -10,7 +10,7 @@ def test_relative_path():
     path = "./files/template.j2"
 
     title = b"\xc3\xb8".decode("utf8")
-    output = cli.render(path, {"title": title}, [])
+    output = cli.render(path, {"title": title}, [], [])
     assert output == title
     assert type(output) == cli.text_type
 
@@ -20,6 +20,6 @@ def test_absolute_path():
     path = os.path.join(absolute_base_path, "files", "template.j2")
 
     title = b"\xc3\xb8".decode("utf8")
-    output = cli.render(path, {"title": title}, [])
+    output = cli.render(path, {"title": title}, [], [])
     assert output == title
     assert type(output) == cli.text_type

From ad775051ba53207495f466442c25b5c2803d08de Mon Sep 17 00:00:00 2001
From: Matt Robenolt <matt@ydekproductions.com>
Date: Thu, 23 Apr 2020 21:23:53 -0700
Subject: [PATCH 2/2] ci: Swap python 3.4 with 3.8

---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 8ee17f0..cf2178d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,10 +3,10 @@ language: python
 dist: xenial
 python:
   - '2.7'
-  - '3.4'
   - '3.5'
   - '3.6'
   - '3.7'
+  - '3.8'
 
 install: pip install -e .[yaml,toml,tests,xml]