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# Utilities for reading values in header files
from argparse import ArgumentParser
import re
class PybindHeaderParser:
def __init__(self, pathname):
try:
with open(pathname, 'r') as f:
self.file_txt = f.read()
except:
self.file_txt = ""
def get_flag_automatic(self):
try:
m = re.search(r'BINDTOOL_GEN_AUTOMATIC\(([^\s])\)', self.file_txt)
if (m and m.group(1) == '1'):
return True
else:
return False
except:
return False
def get_flag_pygccxml(self):
try:
m = re.search(r'BINDTOOL_USE_PYGCCXML\(([^\s])\)', self.file_txt)
if (m and m.group(1) == '1'):
return True
else:
return False
except:
return False
def get_header_filename(self):
try:
m = re.search(r'BINDTOOL_HEADER_FILE\(([^\s]*)\)', self.file_txt)
if (m):
return m.group(1)
else:
return None
except:
return None
def get_header_file_hash(self):
try:
m = re.search(
r'BINDTOOL_HEADER_FILE_HASH\(([^\s]*)\)', self.file_txt)
if (m):
return m.group(1)
else:
return None
except:
return None
def get_flags(self):
return f'{self.get_flag_automatic()};{self.get_flag_pygccxml()};{self.get_header_filename()};{self.get_header_file_hash()};'
def argParse():
"""Parses commandline args."""
desc = 'Reads the parameters from the comment block in the pybind files'
parser = ArgumentParser(description=desc)
parser.add_argument("function", help="Operation to perform on comment block of pybind file", choices=[
"flag_auto", "flag_pygccxml", "header_filename", "header_file_hash", "all"])
parser.add_argument(
"pathname", help="Pathname of pybind c++ file to read, e.g. blockname_python.cc")
return parser.parse_args()
if __name__ == "__main__":
# Parse command line options and set up doxyxml.
args = argParse()
pbhp = PybindHeaderParser(args.pathname)
if args.function == "flag_auto":
print(pbhp.get_flag_automatic())
elif args.function == "flag_pygccxml":
print(pbhp.get_flag_pygccxml())
elif args.function == "header_filename":
print(pbhp.get_header_filename())
elif args.function == "header_file_hash":
print(pbhp.get_header_file_hash())
elif args.function == "all":
print(pbhp.get_flags())
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