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from argparse import ArgumentParser |
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from string import Template |
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def split(string, delimiter): |
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"""Split a string using delimiter. Supports escaping. |
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Args: |
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string (str): The string to split. |
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delimiter (str): The delimiter to split the string with. |
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Returns: |
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list: A list of strings. |
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""" |
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result = [] |
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current = "" |
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escape = False |
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for char in string: |
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if escape: |
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current += char |
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escape = False |
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elif char == delimiter: |
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result.append(current) |
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current = "" |
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elif char == "\\": |
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escape = True |
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else: |
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current += char |
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result.append(current) |
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return result |
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def main(file_path, substitutions, in_place): |
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with open(file_path) as f: |
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pbtxt = Template(f.read()) |
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sub_dict = { |
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"max_queue_size": 0, |
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'max_queue_delay_microseconds': 0, |
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} |
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for sub in split(substitutions, ","): |
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key, value = split(sub, ":") |
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sub_dict[key] = value |
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assert key in pbtxt.template, f"key '{key}' does not exist in the file {file_path}." |
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pbtxt = pbtxt.safe_substitute(sub_dict) |
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if in_place: |
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with open(file_path, "w") as f: |
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f.write(pbtxt) |
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else: |
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print(pbtxt) |
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if __name__ == "__main__": |
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parser = ArgumentParser() |
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parser.add_argument("file_path", help="path of the .pbtxt to modify") |
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parser.add_argument( |
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"substitutions", |
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help= |
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"substitutions to perform, in the format variable_name_1:value_1,variable_name_2:value_2..." |
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) |
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parser.add_argument("--in_place", |
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"-i", |
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action="store_true", |
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help="do the operation in-place") |
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args = parser.parse_args() |
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main(**vars(args)) |
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