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Add copy_tree_with_update method for efficient directory copy #1355

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Add copy_tree_with_update method for efficient directory copy #1355

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20 changes: 19 additions & 1 deletion zappa/core.py
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Original file line number Diff line number Diff line change
Expand Up @@ -357,6 +357,24 @@ def __init__(
self.cf_api_resources = []
self.cf_parameters = {}

def copy_tree_with_update(self, src, dest):
src_path = Path(src)
dest_path = Path(dest)

# Ensure destination path exists
dest_path.mkdir(parents=True, exist_ok=True)

for item in src_path.rglob('*'):
dest_item = dest_path / item.relative_to(src_path)

# Check if the item is a directory
if item.is_dir():
dest_item.mkdir(parents=True, exist_ok=True)
else:
# Copy file if it does not exist in destination or is newer
if not dest_item.exists() or os.path.getmtime(item) > os.path.getmtime(dest_item):
shutil.copy2(item, dest_item)

def configure_boto_session_method_kwargs(self, service, kw):
"""Allow for custom endpoint urls for non-AWS (testing and bootleg cloud) deployments"""
if service in self.endpoint_urls and "endpoint_url" not in kw:
Expand Down Expand Up @@ -686,7 +704,7 @@ def splitpath(path):
if egg_links:
self.copy_editable_packages(egg_links, temp_package_path)

copytree(temp_package_path, temp_project_path, metadata=False, symlinks=False)
self.copy_tree_with_update(temp_package_path, temp_project_path)

# Then the pre-compiled packages..
if use_precompiled_packages:
Expand Down