Include all the dependencies needed to run on Python 3.7 and patch all of them to work in a vendored environment.

1 files changed, 34 insertions, 0 deletions

diff --git a/tools/vendored.py b/tools/vendored.py
index ee34dc0f..a5f3b9f1 100644
--- a/tools/vendored.py
+++ b/tools/vendored.py
@@ -29,6 +29,37 @@ def rewrite_packaging(pkg_files, new_root):
         file.write_text(text)
 
 
+def rewrite_jaraco_text(pkg_files, new_root):
+    """
+    Rewrite imports in jaraco.text to redirect to vendored copies.
+    """
+    for file in pkg_files.glob('*.py'):
+        text = file.read_text()
+        text = re.sub(r' (jaraco\.)', rf' {new_root}.\1', text)
+        text = re.sub(r' (importlib_resources)', rf' {new_root}.\1', text)
+        file.write_text(text)
+
+
+def rewrite_jaraco(pkg_files, new_root):
+    """
+    Rewrite imports in jaraco.functools to redirect to vendored copies.
+    """
+    for file in pkg_files.glob('*.py'):
+        text = file.read_text()
+        text = re.sub(r' (more_itertools)', rf' {new_root}.\1', text)
+        file.write_text(text)
+
+
+def rewrite_importlib_resources(pkg_files, new_root):
+    """
+    Rewrite imports in importlib_resources to redirect to vendored copies.
+    """
+    for file in pkg_files.glob('*.py'):
+        text = file.read_text().replace('importlib_resources.abc', '.abc')
+        text = text.replace('zipp', '..zipp')
+        file.write_text(text)
+
+
 def clean(vendor):
     """
     Remove all files out of the vendor directory except the meta
@@ -58,6 +89,9 @@ def update_pkg_resources():
     vendor = Path('pkg_resources/_vendor')
     install(vendor)
     rewrite_packaging(vendor / 'packaging', 'pkg_resources.extern')
+    rewrite_jaraco_text(vendor / 'jaraco/text', 'pkg_resources.extern')
+    rewrite_jaraco(vendor / 'jaraco', 'pkg_resources.extern')
+    rewrite_importlib_resources(vendor / 'importlib_resources', 'pkg_resources.extern')
 
 
 def update_setuptools():