leandron commented on a change in pull request #7366:
URL: https://github.com/apache/tvm/pull/7366#discussion_r568107892
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File path: python/tvm/driver/tvmc/common.py
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@@ -136,3 +138,46 @@ def tracker_host_port_from_cli(rpc_tracker_str):
logger.info("RPC tracker port: %s", rpc_port)
return rpc_hostname, rpc_port
+
+
+def parse_shape_string(inputs):
+ """Parse an input shape dictionary string to a usable dictionary.
+
+ Parameters
+ ----------
+ inputs: str
+ A string of the form "name:num1xnum2x...xnumN,name2:num1xnum2xnum3"
that indicates
+ the desired shape for specific model inputs.
+
+ Returns
+ -------
+ shape_dict: dict
+ A dictionary mapping input names to their shape for use in relay
frontend converters.
+ """
+ inputs = inputs.replace(" ", "")
+ # Check if the passed input is in the proper format.
+ valid_pattern =
re.compile("(\w+:(\d+(x|X))*(\d)+)(,(\w+:(\d+(x|X))*(\d)+))*")
+ result = re.fullmatch(valid_pattern, inputs)
Review comment:
> See
https://docs.python.org/3/library/argparse.html#fromfile-prefix-chars for
reference
That's really cool @comaniac I didn't know this.
I agree that `data:[-1,3,224,224] data2: [10,10]` syntax looks clearer, IMHO.
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