Added a --no-chill option (#36)

* Bump version to 1.0.1

* Fix failing Flake8 test

* Update history

* Add --no-chill command line option. Fixes #34

* Remove click and add black to the requirements file

* Version update

* Remove black - not a dev requirement

* 'Refactored by Sourcery' (#37)

Co-authored-by: Sourcery AI <>

Co-authored-by: sourcery-ai[bot] <58596630+sourcery-ai[bot]@users.noreply.github.com>

HISTORY.rst

@@ -2,9 +2,10 @@
 History
 =======
 
-current
--------
+1.0.1 (2021-01-18)
+------------------
 
+* Add `no-chill` option so that pip-chill is not shown as installed
 * Do Linux tests on Focal where possible (2.7 and 3.7 on ppc64le and s390x, 2.7 on arm64 run Bionic)
 * Fix wrong URLs in CONTRIBUTING.rst
 * Add 3.7, 3.8, 3.9 to ppc64le and s390x, 3.10-dev to Linux, macOS

pip_chill/cli.py

@@ -20,6 +20,12 @@ def main():
         dest="no_version",
         help="omit version numbers.",
     )
+    parser.add_argument(
+        "--no-chill",
+        action="store_true",
+        dest="no_chill",
+        help="don't show installed pip-chill.",
+    )
     parser.add_argument(
         "-a",
         "--all",
@@ -37,7 +43,9 @@ def main():
     )
     args = parser.parse_args()
 
-    distributions, dependencies = pip_chill.chill(show_all=args.show_all)
+    distributions, dependencies = pip_chill.chill(
+        show_all=args.show_all, no_chill=args.no_chill
+    )
     for package in distributions:
         if args.no_version:
             print(package.get_name_without_version())

pip_chill/pip_chill.py

@@ -51,12 +51,15 @@ def __hash__(self):
         return hash(self.name)
 
 
-def chill(show_all=False):
+def chill(show_all=False, no_chill=False):
     if show_all:
         ignored_packages = ()
     else:
         ignored_packages = {"pip", "wheel", "setuptools", "pkg-resources"}
 
+    if no_chill:
+        ignored_packages.add("pip-chill")
+
     # Gather all packages that are requirements and will be auto-installed.
     distributions = {}
     dependencies = {}

requirements_dev.txt

@@ -1,6 +1,5 @@
 bandit
 bumpversion
-click
 coverage
 flake8
 nose

tests/test_pip_chill.py

@@ -110,9 +110,7 @@ def test_command_line_interface_omits_ignored(self):
 
         result = os.popen(command).read()
         for package in ["wheel", "setuptools", "pip"]:
-            self.assertFalse(
-                any([p.startswith(package + "==") for p in result.split("\n")])
-            )
+            self.assertFalse(any(p.startswith(package + "==") for p in result.split("\n")))
 
     def test_command_line_interface_all(self):
         command = "pip_chill/cli.py --all"
@@ -144,6 +142,15 @@ def test_command_line_interface_long_all(self):
         for package in ["pip-chill", "pip"]:
             self.assertIn(package, result)
 
+    def test_command_line_interface_no_chill(self):
+        command = "pip_chill/cli.py --no-chill"
+
+        returncode = os.system(command)
+        self.assertEqual(returncode, 0)
+
+        result = os.popen(command).read()
+        self.assertNotIn("pip-chill", result)
+
     def test_command_line_invalid_option(self):
         command = "pip_chill/cli.py --invalid-option"