automatic import of grafana-pcpopeneuler24.03_LTS

1 files changed, 47 insertions, 0 deletions

diff --git a/list_bundled_nodejs_packages.py b/list_bundled_nodejs_packages.py
new file mode 100755
index 0000000..3158c2c
--- /dev/null
+++ b/list_bundled_nodejs_packages.py
@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+#
+# generates Provides: bundled(npm(...)) = ... lines for each declared dependency and devDependency of package.json
+#
+import sys
+import json
+import re
+from packaging import version
+
+
+def read_declared_pkgs(package_json_path):
+    with open(package_json_path) as f:
+        package_json = json.load(f)
+        return list(package_json['dependencies'].keys()) + list(package_json['devDependencies'].keys())
+
+
+def read_installed_pkgs(yarn_lock_path):
+    with open(yarn_lock_path) as f:
+        lockfile = f.read()
+        return re.findall(r'^"?'  # can start with a "
+                          r'(.+?)@.+(?:,.*)?:\n'  # characters up to @
+                          r'  version "(.+)"',  # and the version
+                          lockfile, re.MULTILINE)
+
+
+def list_provides(declared_pkgs, installed_pkgs):
+    for declared_pkg in declared_pkgs:
+        # there can be multiple versions installed of one package (transitive dependencies)
+        # but rpm doesn't support Provides: with a single package and multiple versions
+        # so let's declare the oldest version here
+        versions = [version.parse(pkg_version)
+                    for pkg_name, pkg_version in installed_pkgs if pkg_name == declared_pkg]
+        oldest_version = sorted(versions)[0]
+        yield f"Provides: bundled(npm({declared_pkg})) = {oldest_version}"
+
+
+if __name__ == "__main__":
+    if len(sys.argv) != 2:
+        print(f"usage: {sys.argv[0]} package-X.Y.Z/", file=sys.stdout)
+        sys.exit(1)
+
+    package_dir = sys.argv[1]
+    declared_pkgs = read_declared_pkgs(f"{package_dir}/package.json")
+    installed_pkgs = read_installed_pkgs(f"{package_dir}/yarn.lock")
+    provides = list_provides(declared_pkgs, installed_pkgs)
+    for provide in sorted(provides):
+        print(provide)