Switch to use regular non-namespaced package

src/peakrdl_regblock/utils.py

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+import re
+from typing import TYPE_CHECKING, Match
+
+if TYPE_CHECKING:
+    from systemrdl.node import Node, SignalNode
+    from typing import Optional
+    from .dereferencer import Dereferencer
+
+def get_indexed_path(top_node: 'Node', target_node: 'Node') -> str:
+    """
+    TODO: Add words about indexing and why i'm doing this. Copy from logbook
+    """
+    path = target_node.get_rel_path(top_node, empty_array_suffix="[!]")
+    # replace unknown indexes with incrementing iterators i0, i1, ...
+    class repl:
+        def __init__(self) -> None:
+            self.i = 0
+        def __call__(self, match: Match) -> str:
+            s = f'i{self.i}'
+            self.i += 1
+            return s
+    return re.sub(r'!', repl(), path)
+
+
+def get_always_ff_event(dereferencer: 'Dereferencer', resetsignal: 'Optional[SignalNode]') -> str:
+    if resetsignal is None:
+        return "@(posedge clk)"
+    if resetsignal.get_property('async') and resetsignal.get_property('activehigh'):
+        return f"@(posedge clk or posedge {dereferencer.get_value(resetsignal)})"
+    elif resetsignal.get_property('async') and not resetsignal.get_property('activehigh'):
+        return f"@(posedge clk or negedge {dereferencer.get_value(resetsignal)})"
+    return "@(posedge clk)"
+
+def clog2(n: int) -> int:
+    return (n-1).bit_length()
+
+def is_pow2(x: int) -> bool:
+    return (x > 0) and ((x & (x - 1)) == 0)
+
+def roundup_pow2(x: int) -> int:
+    return 1<<(x-1).bit_length()