expoweb/troggle/parsers/survex.py

68 lines
2.4 KiB
Python

import settings
import expo.models as models
import re
import os
re_include_extension = re.compile(r"^\s*\*include\s+([^\s]*).svx$", re.IGNORECASE)
re_include_no_extension = re.compile(r"^\s*\*include\s+([^\s]*)$", re.IGNORECASE)
re_begin = re.compile(r"^\s*\*begin\s+(.*?)\s*$", re.IGNORECASE)
re_end = re.compile(r"^\s*\*end\s+(.*?)\s*$", re.IGNORECASE)
re_date = re.compile(r"^\s*\*date\s+(.*?)\s*$", re.IGNORECASE)
def fileIterator(directory, filename):
survex_file = os.path.join(directory, filename + ".svx")
try:
f = open(os.path.join(settings.SURVEX_DATA, survex_file), "rb")
except:
f = open(os.path.join(settings.SURVEX_DATA, survex_file).lower(), "rb")
char = 0
for line in f.readlines():
line = unicode(line, "latin1")
include_extension = re_include_extension.match(line)
include_no_extension = re_include_no_extension.match(line)
def a(include):
link = re.split(r"/|\\", include)
return fileIterator(os.path.join(directory, *link[:-1]), link[-1])
if include_extension:
for sf, c, l in a(include_extension.groups()[0]):
yield sf, c, l
elif include_no_extension:
for sf, c, l in a(include_no_extension.groups()[0]):
yield sf, c, l
else:
yield survex_file, char, line
char = char + len(line)
def make_model(name, parent, iter_lines, sf, c, l):
if parent:
m = models.SurvexBlock(name = name, parent = parent, begin_file = sf, begin_char = c, text = l)
else:
m = models.SurvexBlock(name = name, begin_file = sf, begin_char = c, text = l)
m.save()
for survex_file, count, line in iter_lines:
begin = re_begin.match(line.split(";")[0])
end = re_end.match(line.split(";")[0])
date = re_date.match(line.split(";")[0])
if begin:
make_model(begin.groups()[0], m, iter_lines, survex_file, count, line)
elif end:
m.text = m.text + line
m.end_file = survex_file
m.end_char = count
m.save()
assert (end.groups()[0]).lower() == (name).lower()
return None
elif date:
#print date.groups()[0]
m.text = m.text + line
else:
m.text = m.text + line
m.text = m.text + line
m.end_file = survex_file
m.end_char = count
m.save()
filename = "all"
make_model("", None, fileIterator("", filename), filename, 0, "")