| 1 | #!/usr/bin/env python |
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| 2 | # ------------------------------------------------------------------------------------------------- |
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| 3 | # Macroprocessor vith PYthon script inclusion |
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| 4 | # |
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| 5 | # Written by Franck Wajsburt at LIP6 2009 |
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| 6 | # |
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| 7 | # This program is free software; you can redistribute it and/or |
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| 8 | # modify it under the terms of the GNU General Public License as |
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| 9 | # published by the Free Software Foundation; either version 2 of the |
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| 10 | # License, or (at your option) any later version. |
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| 11 | # |
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| 12 | # This program is distributed in the hope that it will be useful, but |
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| 13 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | # General Public License for more details. |
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| 16 | # |
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| 17 | # You should have received a copy of the GNU General Public License |
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| 18 | # along with this program; if not, write to the Free Software |
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| 19 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 20 | # ------------------------------------------------------------------------------------------------- |
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| 21 | # requires doctutils package to run rst2html |
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| 22 | # |
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| 23 | # TODO exectution step by step |
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| 24 | # TODO ecrire un manuel |
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| 25 | # TODO faire des tests unitaires |
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| 26 | # ------------------------------------------------------------------------------------------------- |
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| 27 | _date = '2009-12-30 16:00' |
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| 28 | _version = '1.07' |
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| 29 | _authors = 'Franck Wajsburt' |
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| 30 | _organization = '(UPMC/LIP6/SOC)' |
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| 31 | __doc__ = '''\ |
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| 32 | =========================================================================== |
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| 33 | Macroprocessor vith PYthon script inclusion |
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| 34 | - Authors: '''+_authors+''' |
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| 35 | - Date: '''+_date+''' |
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| 36 | - Version: '''+_version+''' |
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| 37 | - Organisation: '''+_organization+''' |
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| 38 | ===========================================================================''' |
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| 39 | |
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| 40 | import os, sys, pdb |
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| 41 | from optparse import OptionParser |
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| 42 | from datetime import datetime |
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| 43 | |
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| 44 | # ------------------------------------------------------------------------------------------------- |
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| 45 | # os and log utilities |
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| 46 | # ------------------------------------------------------------------------------------------------- |
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| 47 | |
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| 48 | def _mpyhash(s): |
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| 49 | return "%08x" % (hash(s) & 0xffffffff) |
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| 50 | |
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| 51 | def _exit(error): |
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| 52 | if (error <> ''): |
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| 53 | print >> sys.stderr, "\n*** mpy:", error |
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| 54 | print >> sys.stderr, "*** preprocessing aborted\n" |
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| 55 | exit(1) |
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| 56 | |
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| 57 | def _mpyfindfile(fname, mpyidir): |
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| 58 | "try to find fname in any directory (or subdir) of mpyidir list" |
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| 59 | "if fname is 'stdin' then just returns 'stdin' else returns real filename" |
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| 60 | "if fname does not exist then returns ''" |
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| 61 | if fname == 'stdin': |
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| 62 | return fname |
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| 63 | else: |
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| 64 | for path in mpyidir: |
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| 65 | for root, dirs, files in os.walk(path): |
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| 66 | for f in files: |
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| 67 | if f == fname: # fname found |
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| 68 | return os.path.join(root,f) |
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| 69 | return '' |
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| 70 | |
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| 71 | def _mpyopen(fname = '', mpyidir = [], realfname = ''): |
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| 72 | "two behaviors:" |
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| 73 | " 1. try to open realfname but if realfname is '' then 2." |
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| 74 | " 2. try to open fname in any directory OR SUBDIR of mpyidir list1" |
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| 75 | "returns tuple (string_with_file_content, real_file_name)" |
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| 76 | "if fname is 'stdin' then open sys.stdin file" |
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| 77 | if realfname == '': |
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| 78 | realfname = _mpyfindfile(fname,mpyidir) |
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| 79 | if realfname == '': |
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| 80 | _exit("unable to find file %s" % fname) |
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| 81 | if realfname == 'stdin': |
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| 82 | return sys.stdin, fname |
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| 83 | else: |
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| 84 | try: mpyin = open(realfname,'r') |
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| 85 | except IOError, e: _exit(e) # but cannot be open |
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| 86 | return mpyin, realfname |
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| 87 | |
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| 88 | def _mpytree(mess): |
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| 89 | print >> mpyglobals['mpytree'], mess |
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| 90 | mpyglobals['mpytree'].flush() |
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| 91 | |
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| 92 | def _mpylog(mess): |
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| 93 | global mpyglobals |
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| 94 | print >> mpyglobals['mpylog'], mess |
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| 95 | mpyglobals['mpylog'].flush() |
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| 96 | if mpyglobals['mpyverbose']: |
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| 97 | print >> sys.stderr, mess |
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| 98 | |
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| 99 | def _dictlog(dic, exclude=[]): |
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| 100 | for key,val in dic.items(): |
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| 101 | for exc in exclude: |
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| 102 | if key[0:len(exc)] == exc: |
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| 103 | break |
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| 104 | else: |
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| 105 | _mpylog(' :%s: %s' % (key, str(val))) |
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| 106 | |
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| 107 | # ------------------------------------------------------------------------------------------------- |
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| 108 | # macro expander |
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| 109 | # ------------------------------------------------------------------------------------------------- |
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| 110 | |
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| 111 | def _mpy( mpyins = [] # ['infile1', ...] |
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| 112 | , mpytxt = '' # 'python code' |
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| 113 | , mpyout = '' # 'outfile' |
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| 114 | , mpydict = {} ): # global dictionary |
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| 115 | |
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| 116 | # to allow _mpy call in inclusion |
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| 117 | exec 'from mpy import mpyglobals, mpygen, mpyexp' in mpydict |
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| 118 | |
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| 119 | # get arguments from the global dictionary |
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| 120 | global mpyglobals |
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| 121 | mpylog = mpyglobals['mpylog'] # log file |
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| 122 | mpydebug = mpyglobals['mpydebug'] # True|False |
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| 123 | mpyverbose = mpyglobals['mpyverbose'] # True|False |
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| 124 | mpywdir = mpyglobals['mpywdir'] # working directory |
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| 125 | mpyidir = mpyglobals['mpyidir'] # list of input directory |
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| 126 | mpyoutlist = mpyglobals['mpyoutlist'] # list of opened output |
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| 127 | mpytabwidth= mpyglobals['mpytabwidth']# number of char of a tabulation character |
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| 128 | |
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| 129 | # this is necessary in order to write in mpyout file with just print |
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| 130 | if mpyout not in ('', 'stdout'): |
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| 131 | stdout = sys.stdout |
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| 132 | try: |
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| 133 | sys.stdout = open( mpywdir+'/'+mpyout, "w") |
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| 134 | mpyoutlist.append(mpywdir+'/'+mpyout) |
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| 135 | except IOError, e: _exit(e) |
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| 136 | |
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| 137 | opened_mpyin = [] # list of opened mpyin (include) |
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| 138 | |
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| 139 | # default values, a way to define the variable type |
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| 140 | mpyin = sys.stdin # mpyin file |
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| 141 | mpyfname = '' # real filename of mpyin file |
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| 142 | mpylineno = 1 # line number in mpyin file |
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| 143 | mpycharno = 0 # character number in mpyin file |
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| 144 | mpylength = 0 # number of character of mpyin file |
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| 145 | level = 0; # level > 0 in python inclusion |
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| 146 | mode = '' # '' outside python section, 'eval' | 'code' inside |
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| 147 | buf = '' # buffer for python section |
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| 148 | |
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| 149 | # the first item in mpyins is a buffer to exec |
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| 150 | mpyins = [mpytxt] + mpyins |
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| 151 | |
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| 152 | # for all files in mpyins list (first name is a buffer) { |
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| 153 | nbloop = 0 |
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| 154 | for fname in mpyins: |
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| 155 | |
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| 156 | if nbloop == 0: |
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| 157 | # the fist item of mpyins is a buffer |
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| 158 | mpyin, mpyfname = None, 'buffer' |
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| 159 | mpybuf = fname |
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| 160 | if mpybuf != '': |
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| 161 | lbuf = len(mpybuf) |
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| 162 | if lbuf > 31: lbuf = 31 |
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| 163 | if mpydebug == True: |
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| 164 | _mpylog("\n**Expand to file** %s **from text** `%s...`" |
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| 165 | % (mpyoutlist[-1], mpybuf[0:lbuf])) |
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| 166 | if mpydebug == True: |
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| 167 | _dictlog(mpydict, exclude=['_','mpy']) |
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| 168 | else: |
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| 169 | # try to open fnam then initialize all associated counters |
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| 170 | mpyin, mpyfname = _mpyopen(fname,mpyidir) |
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| 171 | mpybuf = mpyin.read(-1) # all chars of mpyin file |
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| 172 | if __name__ == '__main__': |
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| 173 | _mpylog('\nLog\n'+'-'*40) |
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| 174 | |
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| 175 | _mpylog("\n**Generate to file** %s **from file** %s" |
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| 176 | % (mpyoutlist[-1], mpyfname)) |
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| 177 | if nbloop == 1 and mpytxt == '': |
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| 178 | _dictlog(mpydict, exclude=['_','mpy']) |
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| 179 | |
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| 180 | mpylineno = 1 # line number in mpyin file |
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| 181 | mpycharno = 0 # character number in mpyin file |
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| 182 | mpylinecharno = 0 # character number in current line |
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| 183 | startlineno = 0 # first ligne of python inclusion |
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| 184 | mpylength = len(mpybuf) # number of character of mpyin file |
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| 185 | level = 0; # level > 0 in python inclusion |
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| 186 | mode = '' # '' because outside python section at first |
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| 187 | buf = '' # buffer for python section |
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| 188 | instr = 0 # in string boolean (0 outside, 1 inside) |
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| 189 | erasespace = 0 # nb space to erase for current line |
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| 190 | nbspacetab = 0 # nb space to erase for current expands |
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| 191 | |
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| 192 | # fname may include files, when a file ends, it is maybe an |
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| 193 | # include file and then we must continue to process. |
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| 194 | # This while exits with a break statement |
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| 195 | # while the hierarchical file continues { |
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| 196 | while True: |
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| 197 | |
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| 198 | # foreach char in current mpybuf { |
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| 199 | while mpycharno < mpylength: |
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| 200 | |
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| 201 | # get the current char |
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| 202 | c = mpybuf[mpycharno] |
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| 203 | mpycharno += 1 |
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| 204 | |
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| 205 | # in order to get line number of error |
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| 206 | if c == '\n': |
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| 207 | mpylinecharno = 0 |
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| 208 | mpylineno += 1 |
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| 209 | else: |
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| 210 | mpylinecharno += 1 |
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| 211 | |
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| 212 | # debug mode merges python section with result file |
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| 213 | if mpydebug == True : |
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| 214 | sys.stdout.write(c) |
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| 215 | |
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| 216 | # outside python section |
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| 217 | if level == 0: |
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| 218 | startlineno = mpylineno |
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| 219 | if c == '[': |
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| 220 | level += 1 |
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| 221 | mode = 'eval' |
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| 222 | elif c == '{': |
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| 223 | level += 1 |
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| 224 | mode = 'code' |
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| 225 | else: |
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| 226 | if mpydebug == False: # in debug mode c is already written |
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| 227 | sys.stdout.write(c) |
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| 228 | |
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| 229 | # inside python section |
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| 230 | else: |
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| 231 | |
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| 232 | # tabulation of expansion |
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| 233 | if erasespace != 0: |
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| 234 | if c == ' ' : |
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| 235 | erasespace -= 1 |
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| 236 | continue |
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| 237 | if c == '\t' : |
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| 238 | erasespace -= mpytabwidth |
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| 239 | continue |
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| 240 | else: |
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| 241 | if c == '\n': |
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| 242 | erasespace = nbspacetab |
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| 243 | buf += c |
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| 244 | continue |
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| 245 | else: |
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| 246 | _exit ( "%s[%d]: %d spaces expected not %c" |
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| 247 | % (mpyfname, mpylineno, nbspacetab, c)) |
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| 248 | |
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| 249 | # we are inside a string is it a newline ? |
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| 250 | if instr == 1 and c == '\n': |
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| 251 | erasespace = nbspacetab |
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| 252 | |
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| 253 | # is it a string delimitor ? |
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| 254 | if buf[-2:]+c == "'''" : |
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| 255 | instr = 1 - instr |
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| 256 | if instr == 1: |
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| 257 | nbspacetab = mpylinecharno-3 |
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| 258 | |
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| 259 | # count [ and { |
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| 260 | if c == '[' : |
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| 261 | if mode == 'eval': |
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| 262 | level += 1 |
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| 263 | buf += c |
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| 264 | elif c == '{': |
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| 265 | if mode == 'code': |
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| 266 | level += 1 |
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| 267 | buf += c |
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| 268 | |
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| 269 | # test for evaluation |
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| 270 | elif c == ']': |
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| 271 | if level == 0: |
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| 272 | if startlineno == mpylineno: |
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| 273 | _exit ( "%s[%d]: unexpected ']'" % (mpyfname, mpylineno)) |
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| 274 | else: |
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| 275 | _exit ( "%s[%d-%d]: unexpected ']'" % (mpyfname, startlineno, mpylineno)) |
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| 276 | elif mode == 'code': |
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| 277 | buf += c |
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| 278 | else: # mode eval |
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| 279 | level -= 1 |
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| 280 | if level != 0: |
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| 281 | buf += c |
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| 282 | else: |
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| 283 | # test if buf is a file name, if yes includes file |
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| 284 | # therefore pushes the current file and opens the new |
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| 285 | incname = _mpyfindfile(buf,mpyidir) |
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| 286 | if incname != '': |
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| 287 | if mpydebug == True: |
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| 288 | _mpylog("\nInclude to %s from %s" % (mpyout, incname)) |
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| 289 | |
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| 290 | # push known parameters of the current opened file |
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| 291 | opened_mpyin.append((mpyin, mpybuf, mpyfname, |
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| 292 | mpylineno, mpycharno, mpylength)) |
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| 293 | |
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| 294 | # old values required for test of recursivity just below |
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| 295 | oldmpyfname = mpyfname |
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| 296 | oldmpylineno = mpylineno |
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| 297 | |
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| 298 | # open the include file |
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| 299 | mpyin, mpyfname = _mpyopen(realfname = incname) |
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| 300 | mpybuf = mpyin.read(-1) |
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| 301 | mpylineno = 1 |
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| 302 | mpycharno = 0 |
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| 303 | mpylength = len(mpybuf) |
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| 304 | level = 0 |
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| 305 | buf = mode = '' |
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| 306 | |
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| 307 | # test recursive include |
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| 308 | for f in opened_mpyin[:-1]: |
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| 309 | if mpyfname in f: |
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| 310 | _exit ("%s[%d]: forbidden recursive inclusion on %s" |
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| 311 | % (oldmpyfname, oldmpylineno, mpyfname)) |
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| 312 | |
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| 313 | # just evaluate buf |
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| 314 | else: |
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| 315 | try: print eval(buf, mpydict), |
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| 316 | except Exception, e: |
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| 317 | if startlineno == mpylineno: |
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| 318 | _exit ( "%s[%d]: %s" % (mpyfname, mpylineno, e)) |
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| 319 | else: |
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| 320 | _exit ( "%s[%d-%d]: %s" % (mpyfname, startlineno, mpylineno, e)) |
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| 321 | buf = mode = '' |
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| 322 | |
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| 323 | # test for execute |
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| 324 | elif c == '}': |
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| 325 | |
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| 326 | if level == 0: |
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| 327 | if startlineno == mpylineno: |
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| 328 | _exit ( "%s[%d]: unexpected '}'" % (mpyfname, mpylineno)) |
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| 329 | else: |
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| 330 | _exit ( "%s[%d-%d]: unexpected '}'" % (mpyfname, startlineno, mpylineno)) |
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| 331 | elif mode == 'eval': |
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| 332 | buf += c |
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| 333 | else: # mode code |
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| 334 | level -= 1 |
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| 335 | if level != 0: |
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| 336 | buf += c |
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| 337 | else: |
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| 338 | try: |
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| 339 | mpydict |
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| 340 | # print >> sys.stderr, buf |
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| 341 | exec(buf, mpydict) |
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| 342 | # pdb.run(buf, mpydict) |
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| 343 | except Exception, e: |
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| 344 | if startlineno == mpylineno: |
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| 345 | _exit ( "%s[%d]: %s" |
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| 346 | % (mpyfname, mpylineno, e)) |
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| 347 | else: |
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| 348 | _exit ( "%s[%d-%d]: %s" |
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| 349 | % (mpyfname, startlineno, mpylineno, e)) |
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| 350 | buf = mode = '' |
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| 351 | else: |
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| 352 | buf += c |
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| 353 | |
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| 354 | # } end while mpycharno < mpylength: |
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| 355 | |
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| 356 | if mpyfname not in ['stdin', 'buffer']: |
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| 357 | mpyin.close() |
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| 358 | |
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| 359 | if level <> 0: |
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| 360 | if mode == 'eval': |
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| 361 | _exit ("%s[%d]: expected ']'" % (mpyfname,mpylineno)) |
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| 362 | else: |
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| 363 | _exit ("%s[%d]: expected '}'" % (mpyfname,mpylineno)) |
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| 364 | |
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| 365 | # pops included file if there is one, else breaks while |
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| 366 | try: |
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| 367 | mpyin, mpybuf, mpyfname, mpylineno, mpycharno, mpylength = opened_mpyin.pop() |
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| 368 | level = 0 |
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| 369 | buf = mode = '' |
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| 370 | |
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| 371 | except: break |
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| 372 | |
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| 373 | # } end while True: |
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| 374 | |
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| 375 | # because the first fname is actually a buffer |
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| 376 | nbloop += 1 |
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| 377 | |
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| 378 | # } end for fname in mpyins: |
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| 379 | |
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| 380 | # close and redirect sys.stdout |
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| 381 | if mpyout not in ('', 'stdout'): |
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| 382 | sys.stdout.close() |
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| 383 | sys.stdout = stdout |
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| 384 | mpyoutlist.pop() |
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| 385 | |
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| 386 | # ------------------------------------------------------------------------------------------------- |
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| 387 | |
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| 388 | def mpygen(mpyin, param): |
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| 389 | "call the macro processor on file mpyin with its own dictionaty, produce a newfile" |
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| 390 | global mpyglobals |
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| 391 | |
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| 392 | # check parameters |
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| 393 | if type(mpyin) <> str: |
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| 394 | _exit('first argument of mpygen: %s is not a valid filename' % str(mpyin)) |
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| 395 | if type(param) <> dict: |
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| 396 | _exit('second argument of mpygen: %s is not a valid dictionary' % str(param)) |
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| 397 | |
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| 398 | # test input filename syntax |
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| 399 | mpyout = os.path.basename(mpyin).split('.') |
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| 400 | if mpyout[-2] <> 'mpy': |
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| 401 | _exit('filename %s has not a valid form (anyroot.mpy.anyext)' % str(mpyin)) |
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| 402 | |
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| 403 | # generate output filename |
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| 404 | hashnumber = _mpyhash(`param`) |
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| 405 | mpyout_base = '.'.join(mpyout[0:-2]) |
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| 406 | mpyout = mpyout_base+'_'+hashnumber+'.'+mpyout[-1] |
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| 407 | mpymodelname = mpyout_base+'_'+hashnumber |
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| 408 | param['mpymodelname'] = mpymodelname |
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| 409 | |
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| 410 | # call the macro processor |
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| 411 | _mpytree('%s* %s <- %s\n' % (' '*mpyglobals['mpylevelgen'], mpyout, mpyin)) |
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| 412 | mpyglobals['mpylevelgen'] += 1 |
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| 413 | _mpy(mpyins = [mpyin], mpydict = param, mpyout = mpyout) |
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| 414 | mpyglobals['mpylevelgen'] -= 1 |
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| 415 | _mpytree('') |
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| 416 | |
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| 417 | # return the computed model name |
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| 418 | return mpymodelname |
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| 419 | |
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| 420 | # ------------------------------------------------------------------------------------------------- |
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| 421 | |
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| 422 | def mpyexp(txt, param): |
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| 423 | "call the macro processor on a buffer of chars with its own dictionary" |
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| 424 | if type(txt) <> str: |
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| 425 | _exit('argument of mpyexp: must be a string not %s' % type(txt)) |
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| 426 | _mpy(mpytxt = txt, mpydict = param) |
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| 427 | |
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| 428 | # ------------------------------------------------------------------------------------------------- |
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| 429 | # define globals dictionnary |
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| 430 | # ------------------------------------------------------------------------------------------------- |
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| 431 | |
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| 432 | _parser = OptionParser( |
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| 433 | usage = "%prog [options] [infiles...]", |
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| 434 | version = "version "+_version, |
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| 435 | description = "mpy opens all infiles list (default stdin) to macro-process " |
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| 436 | "them and writes the result in OFILE (default stdout). " |
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| 437 | "Infiles are searched in any dir or subdir of PATHS (default " |
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| 438 | "MPYIDIR environment variable)") |
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| 439 | |
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| 440 | _parser.set_defaults( verbose = False , debug = False , txt = '', tab = 8 |
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| 441 | , wdir = '.' , idir = '' , output = 'stdout') |
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| 442 | |
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| 443 | _parser.add_option("-v", "--verbose", action = "store_true", dest = "verbose" |
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| 444 | , help = "trace processing step") |
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| 445 | _parser.add_option("-d", "--debug", action = "store_true", dest = "debug" |
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| 446 | , help = "do not remove python inclusions") |
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| 447 | _parser.add_option("-t", "--txt", dest = "txt" |
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| 448 | , help = "text (chars) to macro process") |
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| 449 | _parser.add_option("-b", "--tab", dest = "tab" |
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| 450 | , help = "tabulation width [default: %default]") |
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| 451 | _parser.add_option("-w", "--wdir", dest = "wdir" |
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| 452 | , help = "define the working directory [default: %default]") |
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| 453 | _parser.add_option("-o", "--output", dest = "ofile", default = 'stdout' |
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| 454 | , help = "define output filename [default: %default] ") |
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| 455 | _parser.add_option("-i", "--idir", dest = "idir" |
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| 456 | , help = "list of directories (separated with colon ':') " |
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| 457 | "where to find input files " |
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| 458 | "(default %prog use MPYPATH environment variable) " |
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| 459 | "%prog begins to search in the working directory (-w option) " |
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| 460 | "then in all the directories or subdirectories of the path") |
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| 461 | |
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| 462 | (_options, _mpyins) = _parser.parse_args() |
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| 463 | |
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| 464 | # if no path dirctories are given in command line, getenv MPYIDIR |
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| 465 | if _options.idir == '': |
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| 466 | try: _options.idir = os.environ['MPYPATH'] |
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| 467 | except: pass |
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| 468 | |
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| 469 | # gets the input files |
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| 470 | if len(_mpyins) == 0: |
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| 471 | _mpyins = ['stdin'] |
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| 472 | |
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| 473 | # open log file |
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| 474 | if not os.path.isdir(_options.wdir): |
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| 475 | _exit('%s is not a working directory' % _options.wdir) |
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| 476 | try: |
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| 477 | _mpymetaname = os.path.join(_options.wdir,"mpy_meta.log") |
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| 478 | _mpytreename = os.path.join(_options.wdir,"mpy_tree.log") |
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| 479 | _mpymetafile = open(_mpymetaname,"a") |
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| 480 | _mpytreefile = open(_mpytreename,"a") |
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| 481 | _logname = os.path.join(_options.wdir,"mpy.log") |
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| 482 | _htmlname = os.path.join(_options.wdir,"mpy.html") |
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| 483 | except IOError, e: |
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| 484 | _exit(e) |
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| 485 | |
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| 486 | mpyglobals = dict( mpyverbose = _options.verbose # True|False |
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| 487 | , mpydebug = _options.debug # True|False |
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| 488 | , mpywdir = _options.wdir # working directory |
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| 489 | , mpyidir = [_options.wdir]+_options.idir.split(':') # split pathes in a list |
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| 490 | , mpylevelgen = 1 # level of generation (tree deep) |
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| 491 | , mpylog = _mpymetafile |
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| 492 | , mpytree = _mpytreefile |
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| 493 | , mpytabwidth = _options.tab |
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| 494 | , mpyoutlist = [_options.ofile]) |
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| 495 | |
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| 496 | # ------------------------------------------------------------------------------------------------- |
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| 497 | # main function |
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| 498 | # ------------------------------------------------------------------------------------------------- |
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| 499 | |
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| 500 | if __name__ == '__main__': |
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| 501 | _mpytree(''' |
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| 502 | ======================================================================== |
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| 503 | MPY: Macroprocessor with PYthon script inclusion (V'''+_version+''') |
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| 504 | ======================================================================== |
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| 505 | Generation date '''+datetime.now().strftime("%A, %d. %B %Y %I:%M%p")+''' |
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| 506 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 507 | ''') |
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| 508 | _mpytree( '\nTree Generation\n'+'-'*40+'\n\n') |
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| 509 | _mpytree( '* %s <- %s\n' % (_options.ofile, _mpyins[0])) |
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| 510 | _mpy(mpytxt = _options.txt, mpyout = _options.ofile, mpyins = _mpyins, mpydict = {}) |
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| 511 | try: |
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| 512 | os.system('cat '+_mpytreename+' '+_mpymetaname+' > '+_logname) |
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| 513 | os.system('rst2html '+_logname+' '+_htmlname) |
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| 514 | os.remove(_mpytreename) |
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| 515 | os.remove(_mpymetaname) |
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| 516 | except: |
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| 517 | pass |
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