More concessions for Python 3.5 compatibility.

.drone.yml

@@ -13,5 +13,6 @@ matrix:
     - 3.7
     - 3.8
   PYTHON_VERSION:
+    - 3.5
     - 3.6
     - 3.7

NEWS

@@ -1,3 +1,7 @@
+1.2.9
+ * #102: Fix for syntax error that occurred in Python 3.5 and below.
+ * Make automated tests support running in Python 3.5.
+
 1.2.8
  * #73: Enable consistency checks for only certain repositories via "check_repositories" option in
    borgmatic's consistency configuration. Handy for large repositories that take forever to check.

README.md

@@ -445,9 +445,6 @@ cd borgmatic
 tox
 ```
 
-Note that while running borgmatic itself only requires Python 3+, running
-borgmatic's tests require Python 3.6+.
-
 If when running tests, you get an error from the
 [Black](https://black.readthedocs.io/en/stable/) code formatter about files
 that would be reformatted, you can ask Black to format them for you via the

borgmatic/commands/borgmatic.py

@@ -189,7 +189,7 @@ def _run_commands_on_repository(
     remote_path,
     retention,
     storage,
-    unexpanded_repository,
+    unexpanded_repository
 ):  # pragma: no cover
     repository = os.path.expanduser(unexpanded_repository)
     dry_run_label = ' (dry run; not making any changes)' if args.dry_run else ''

scripts/black

@@ -0,0 +1,7 @@
+#!/usr/bin/env sh
+
+if which black; then
+    black --skip-string-normalization --line-length 100 --check .
+else
+    echo "Skipping black due to not being installed."
+fi

scripts/release

@@ -27,8 +27,8 @@ twine upload -r pypi dist/borgmatic-*.tar.gz
 twine upload -r pypi dist/borgmatic-*-py3-none-any.whl
 
 # Set release changelogs on projects.evoworx.org and GitHub.
-release_changelog=$(sed '/^$/q' NEWS |grep '^\s*\*')
+release_changelog="$(cat NEWS | sed '/^$/q' | grep -v '^\S')"
-escaped_release_changelog=$(echo $release_changelog | sed -z 's/\n/\\n/g')
+escaped_release_changelog="$(echo "$release_changelog" | sed -z 's/\n/\\n/g' | sed -z 's/\"/\\"/g')"
 curl --request POST \
     "https://projects.torsion.org/api/v1/repos/witten/borgmatic/releases?access_token=$projects_token" \
     --header "Accept: application/json" \

setup.py

@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 
 
-VERSION = '1.2.8'
+VERSION = '1.2.9'
 
 
 setup(
@@ -30,6 +30,5 @@ setup(
     },
     obsoletes=['atticmatic'],
     install_requires=('pykwalify>=1.6.0,<14.06', 'ruamel.yaml>0.15.0,<0.16.0', 'setuptools'),
-    tests_require=('flexmock', 'pytest'),
     include_package_data=True,
 )

test_requirements.txt

@@ -1,7 +1,7 @@
 appdirs==1.4.3
 atomicwrites==1.2.1
 attrs==18.2.0
-black==18.9b0
+black==18.9b0; python_version >= '3.6'
 Click==7.0
 coverage==4.5.1
 docopt==0.6.2

tests/end-to-end/test_borgmatic.py

@@ -11,12 +11,14 @@ def generate_configuration(config_path, repository_path):
     Generate borgmatic configuration into a file at the config path, and update the defaults so as
     to work for testing (including injecting the given repository path).
     '''
-    subprocess.check_call(f'generate-borgmatic-config --destination {config_path}'.split(' '))
+    subprocess.check_call(
+        'generate-borgmatic-config --destination {}'.format(config_path).split(' ')
+    )
     config = (
         open(config_path)
         .read()
         .replace('user@backupserver:sourcehostname.borg', repository_path)
-        .replace('- /home', f'- {config_path}')
+        .replace('- /home', '- {}'.format(config_path))
         .replace('- /etc', '')
         .replace('- /var/log/syslog*', '')
     )
@@ -32,7 +34,7 @@ def test_borgmatic_command():
 
     try:
         subprocess.check_call(
-            f'borg init --encryption repokey {repository_path}'.split(' '),
+            'borg init --encryption repokey {}'.format(repository_path).split(' '),
             env={'BORG_PASSPHRASE': '', **os.environ},
         )
 
@@ -40,11 +42,10 @@ def test_borgmatic_command():
         generate_configuration(config_path, repository_path)
 
         # Run borgmatic to generate a backup archive, and then list it to make sure it exists.
-        subprocess.check_call(f'borgmatic --config {config_path}'.split(' '))
+        subprocess.check_call('borgmatic --config {}'.format(config_path).split(' '))
         output = subprocess.check_output(
-            f'borgmatic --config {config_path} --list --json'.split(' '),
+            'borgmatic --config {} --list --json'.format(config_path).split(' ')
-            encoding=sys.stdout.encoding,
+        ).decode(sys.stdout.encoding)
-        )
         parsed_output = json.loads(output)
 
         assert len(parsed_output) == 1
@@ -52,9 +53,8 @@ def test_borgmatic_command():
 
         # Also exercise the info flag.
         output = subprocess.check_output(
-            f'borgmatic --config {config_path} --info --json'.split(' '),
+            'borgmatic --config {} --info --json'.format(config_path).split(' ')
-            encoding=sys.stdout.encoding,
+        ).decode(sys.stdout.encoding)
-        )
         parsed_output = json.loads(output)
 
         assert len(parsed_output) == 1

tox.ini

@@ -5,10 +5,11 @@ skipsdist = True
 [testenv]
 usedevelop = True
 deps = -rtest_requirements.txt
+whitelist_externals = sh
 commands =
     py.test --cov-report term-missing:skip-covered --cov=borgmatic --ignore=tests/end-to-end \
         tests []
-    black --skip-string-normalization --line-length 100 --check .
+    sh scripts/black
     flake8 .
 
 [testenv:black]