[Rpm-maint] [rpm-software-management/rpm] Add real-life examples of Python RPM (PR #3177)

[Panu Matilainen]

@pmatilai commented on this pull request.



> +        if what == rpm.RPMCALLBACK_INST_OPEN_FILE:
+            nvr, path = mydata
+            fd = os.open(path, os.O_RDONLY)
+            self.fdnos[nvr] = fd
+            return fd
+
+        elif what == rpm.RPMCALLBACK_INST_CLOSE_FILE:
+            nvr, path = mydata
+            os.close(self.fdnos[nvr])
+
+
+ts = rpm.TransactionSet()
+for path in sys.argv[1:]:
+    with open(path, "r") as fp:
+        hdr = ts.hdrFromFdno(fp.fileno())
+        ts.addInstall(hdr, (hdr.nvr, path), "i")

You'll want to use "u" in there (making this the equivalent of 'rpm -U' instead). -i is rather special case operation that is best left to people who know to look for it. Sorry for missing this earlier.

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