Package into single file with stickytape

.gitignore

@@ -9,3 +9,5 @@ build/
 *.pyo
 *.egg
 *.egg-info
+single_file/single_file_icecream.py
+single_file/icecream_pypy.py

single_file/compare_versions.py

@@ -0,0 +1,24 @@
+"""
+Utility to see which version files differ.
+"""
+
+from collections import defaultdict
+from glob import glob
+from pathlib import Path
+
+result = defaultdict(list)
+
+for filename in glob("icecream_*.py"):
+    group = result[hash(Path(filename).read_text())]
+    group.append(filename.replace("icecream_", "").replace(".py", ""))
+    group.sort()
+
+for group in sorted(result.values()):
+    print(group)
+
+"""
+The result is that the files fall into these groups:
+['py27', 'pypy27']
+['py35', 'pypy35']
+['py36', 'py37', 'py38', 'py39', 'pypy36']
+"""

single_file/package.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -eux
+
+OUTPUT_FILE=icecream_${TOX_ENV_NAME}.py
+
+stickytape stickytape_entry.py \
+  --add-python-path .. \
+  --add-python-module pygments.formatters.terminal256 \
+  --add-python-module pygments.lexers.python \
+  --add-python-module icecream.__version__ \
+  --add-python-path $(python site_packages_path.py) \
+  --output-file $OUTPUT_FILE
+
+ls -lh $OUTPUT_FILE
+cp $OUTPUT_FILE single_file_icecream.py
+
+python test_single_file_icecream.py

single_file/site_packages_path.py

@@ -0,0 +1,9 @@
+import executing
+
+path = executing.__file__.rstrip("c")
+suffix = "/executing/__init__.py"
+assert path.endswith(suffix), path
+path = path[:-len(suffix)]
+
+if __name__ == '__main__':
+    print(path)

single_file/stickytape_entry.py

@@ -0,0 +1,6 @@
+# After this module is imported and exits, stickytape deletes
+# the temporary directory containing the files
+# Necessary modules need to be imported before then
+# asttokens is only imported dynamically by executing
+import asttokens
+from icecream import *

single_file/test_single_file_icecream.py

@@ -0,0 +1,10 @@
+import sys
+import site_packages_path
+sys.path.remove(site_packages_path.path)
+del sys.modules["executing"]
+del sys.modules["executing.executing"]
+
+# Copied from a version specific file in package.sh
+from single_file_icecream import ic
+
+ic(ic(1+2))

tox.ini

@@ -1,8 +1,10 @@
 [tox]
-envlist = py27, py35, py36, py37, pypy, pypy3
+envlist = py27, py35, py36, py37, py38, py39, pypy, pypy35, pypy36
 
 [testenv]
+allowlist_externals=/bin/bash
 deps =
     nose
 commands =
     nosetests --exe []
+;    bash -c 'cd single_file; ./package.sh'