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increase parsing speed of the header

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This commit is contained in:
Eric Coissac
2016-05-21 10:29:11 +02:00
parent 0b9a41d952
commit 5a78157112
1 changed files with 10 additions and 3 deletions
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13
python/obitools3/parsers/header.pyx
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@ -30,20 +30,27 @@ __re_dict__ = re.compile("""^\{\ *
) )
)*\ *\}$""", re.VERBOSE) )*\ *\}$""", re.VERBOSE)
__re_val__ = re.compile("""(("[^"]*"|'[^']*') *: *([^,}]+|"[^"]*"|'[^']*') *[,}] *)""")
cdef object __etag__(str x): cdef object __etag__(str x):
cdef list elements
cdef tuple i
if __re_int__.match(x): if __re_int__.match(x):
v=int(x) v=int(x)
elif __re_float__.match(x): elif __re_float__.match(x):
v=float(x) v=float(x)
elif __re_str__.match(x): elif __re_str__.match(x):
v=x[1:-1] v=x[1:-1]
elif x=='None':
v=None
elif x=='False': elif x=='False':
v=False v=False
elif x=='True': elif x=='True':
v=True v=True
elif __re_dict__.match(x): elif __re_dict__.match(x):
v=eval(x) elements=__re_val__.findall(x)
v=dict([(i[1][1:-1],__etag__(i[2])) for i in elements])
else: else:
v=x v=x
return v return v
@ -56,7 +63,7 @@ cpdef tuple parseHeader(str header):
cdef str second cdef str second
m=header[1:-1].split(maxsplit=1) m=header[1:-1].split(maxsplit=1)
ident=m[0] ident=m[0]
if len(m)==1: if len(m)==1:
@ -75,4 +82,4 @@ cpdef tuple parseHeader(str header):
return ident,tags,definition return ident,tags,definition