yml2proc
changeset 52 b4a9a3122abb
parent 22 3a2bd70c01df
child 53 b94d4c5b9496
--- a/yml2proc	Wed Aug 29 23:57:58 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,242 +0,0 @@
-#!/usr/bin/env python
-# vim: set fileencoding=utf-8 :
-
-"""\
-YML/YSLT 2 processor version 5.8
-Copyleft (c), 2009-2011 Volker Birk  http://fdik.org/yml/
-
-"""
-
-import sys, os, codecs, locale
-import fileinput, unicodedata
-from optparse import OptionParser
-
-try:
-    from lxml import etree
-except:
-    sys.stderr.write("This program needs lxml, see http://codespeak.net/lxml/\n")
-    sys.exit(1)
-
-from yml2 import ymlCStyle, comment, oldSyntax
-from pyPEG import parse, u
-import backend
-
-def printInfo(option, opt_str, value, parser):
-    sys.stdout.write(__doc__)
-    sys.exit(0)
-
-class YMLAssert(Exception): pass
-
-def w(msg):
-    if isinstance(msg, BaseException):
-        try:
-            msg = str(msg) + "\n"
-        except:
-            msg = u(msg) + u"\n"
-    if type(msg) is unicode:
-        msg = codecs.encode(msg, sys.stderr.encoding)
-    sys.stderr.write(msg)
-
-optParser = OptionParser()
-optParser.add_option("-C", "--old-syntax", action="store_true", dest="old_syntax",
-        help="syntax of YML 2 version 1.x (compatibility mode)", default=False)
-optParser.add_option("-D", "--emit-linenumbers", action="store_true", dest="emitlinenumbers",
-        help="emit line numbers into the resulting XML for debugging purposes", default=False)
-optParser.add_option("--debug", action="store_true", dest="trace",
-        help="switch on tracing to stderr", default=False)
-optParser.add_option("-d", "--paramdict", dest="params", metavar="PARAMS",
-        help="call X/YSLT script with dictionary PARAMS as parameters")
-optParser.add_option("-e", "--xpath", dest="xpath", metavar="XPATH",
-        help="execute XPath expression XPATH and print result")
-optParser.add_option("-E", "--encoding", dest="encoding", metavar="ENCODING", default=locale.getdefaultlocale()[1],
-        help="encoding of input files (default to locale)")
-optParser.add_option("-I", "--include", dest="includePathText", metavar="INCLUDE_PATH",
-        help="precede YML_PATH by a colon separated INCLUDE_PATH to search for include files")
-optParser.add_option("-m", "--omit-empty-parm-tags", action="store_true", dest="omitemptyparm",
-        help="does nothing (only there for compatibility reasons)", default=False)
-optParser.add_option("-M", "--empty-input-document", action="store_true", dest="emptyinput",
-        help="use an empty input document", default=False)
-optParser.add_option("-n", "--normalization", dest="normalization", metavar="NORMALIZATION", default="NFC",
-        help="Unicode normalization (none, NFD, NFKD, NFC, NFKC, FCD, default is NFC)")
-optParser.add_option("-o", "--output", dest="outputFile", metavar="FILE",
-        help="place output in file FILE")
-optParser.add_option("-p", "--parse-only", action="store_true", dest="parseonly",
-        help="parse only, then output pyAST as text to stdout", default=False)
-optParser.add_option("-P", "--pretty", action="store_true", default=False,
-        help="pretty print output adding whitespace")
-optParser.add_option("-s", "--stringparamdict", dest="stringparams", metavar="STRINGPARAMS",
-        help="call X/YSLT script with dictionary STRINGPARAMS as string parameters")
-optParser.add_option("-x", "--xml", action="store_true", default=False,
-        help="input document is XML already")
-optParser.add_option("-X", "--xslt", dest="xslt", metavar="XSLTSCRIPT",
-        help="execute XSLT script XSLTSCRIPT")
-optParser.add_option("-y", "--yslt", dest="yslt", metavar="YSLTSCRIPT",
-        help="execute YSLT script YSLTSCRIPT")
-optParser.add_option("-Y", "--xml2yml", action="store_true", default=False,
-        help="convert XML to normalized YML code")
-optParser.add_option("-V", "--version", action="callback", callback=printInfo, help="show version info and exit")
-(options, args) = optParser.parse_args()
-
-if options.old_syntax:
-    oldSyntax()
-
-if options.trace:
-    backend.enable_tracing = True
-
-if options.emitlinenumbers:
-    backend.emitlinenumbers = True
-
-if options.includePathText:
-    backend.includePath = options.includePathText.split(':')
-
-backend.encoding = options.encoding
-
-dirs = os.environ.get('YML_PATH', '.').split(':')
-backend.includePath.extend(dirs)
-
-if options.xml2yml:
-    for directory in backend.includePath:
-        try:
-            name = directory + "/xml2yml.ysl2"
-            f = open(name, "r")
-            f.close()
-            break
-        except:
-            pass
-
-    options.yslt = name
-    options.xml = True
-
-if  (options.xslt and options.yslt) or (options.xslt and options.xpath) or (options.yslt and options.xpath):
-    sys.stderr.write("Cannot combine --xpath, --xslt and --yslt params\n")
-    sys.exit(1)
-
-try:
-    ymlC = ymlCStyle()
-
-    rtext = u""
-
-    if not options.emptyinput:
-        files = fileinput.input(args, mode="rU", openhook=fileinput.hook_encoded(options.encoding))
-
-        if options.xml:
-            rtext = ""
-            for line in files:
-                rtext += line
-        else:
-            result = parse(ymlC, files, True, comment)
-            if options.parseonly:
-                print(result)
-                sys.exit(0)
-            else:
-                rtext = backend.finish(result)
-
-    if not rtext:
-        rtext = u"<empty/>"
-
-    def ymldebug(context, text):
-        if options.trace:
-            sys.stderr.write("Debug: " + codecs.encode(u(text), options.encoding) + "\n")
-        return ""
-
-    def ymlassert(context, value, msg):
-        if options.trace:
-            if not value:
-                raise YMLAssert(msg)
-        return ""
-
-    ymlns = etree.FunctionNamespace("http://fdik.org/yml")
-    ymlns.prefix = "yml"
-    ymlns['debug'] = ymldebug
-    ymlns['assert'] = ymlassert
-
-    if options.xpath:
-        tree = etree.fromstring(rtext)
-        ltree = tree.xpath(codecs.decode(options.xpath, options.encoding))
-        rtext = u""
-        try:
-            for rtree in ltree:
-                rtext += etree.tostring(rtree, pretty_print=options.pretty, encoding=unicode)
-        except:
-            rtext = ltree
-
-    elif options.yslt or options.xslt:
-        params = {}
-
-        if options.yslt:
-            backend.clearAll()
-            yscript = fileinput.input(options.yslt, mode="rU", openhook=fileinput.hook_encoded(options.encoding))
-            yresult = parse(ymlC, yscript, True, comment)
-            ytext = backend.finish(yresult)
-        else:
-            yscript = fileinput.input(options.xslt, mode="rU")
-            ytext = ""
-            for line in yscript:
-                ytext += line
-
-        doc = etree.fromstring(rtext)
-
-        xsltree = etree.XML(ytext, base_url=os.path.abspath(yscript.filename()))
-        transform = etree.XSLT(xsltree)
-        
-        if options.params:
-            params = eval(options.params)
-            for key, value in params.iteritems():
-                if type(value) != unicode:
-                    params[key] = u(value)
-        if options.stringparams:
-            for key, value in eval(options.stringparams).iteritems():
-                params[key] = u"'" + u(value) + u"'"
-
-        rresult = transform(doc, **params)
-        # lxml is somewhat buggy
-        try:
-            rtext = u(rresult)
-        except:
-            rtext = etree.tostring(rresult, encoding=unicode)
-            if not rtext:
-                rtext = codecs.decode(str(rresult), "utf-8")
-
-    if options.normalization != "none":
-        rtext = unicodedata.normalize(options.normalization, rtext)
-
-    if options.pretty:
-        plaintext = etree.tostring(etree.fromstring(rtext), pretty_print=True, xml_declaration=True, encoding=options.encoding)
-    else:
-        if isinstance(rtext, unicode):
-            plaintext = codecs.encode(rtext, options.encoding)
-        else:
-            plaintext = str(rtext)
-
-    try:
-        if plaintext[-1] == "\n":
-            plaintext = plaintext[:-1]
-    except: pass
-
-    if options.outputFile and options.outputFile != "-":
-        outfile = open(options.outputFile, "w")
-        outfile.write(plaintext)
-        outfile.close()
-    else:
-        print(plaintext)
-
-except KeyboardInterrupt:
-    w("\n")
-    sys.exit(1)
-except YMLAssert as msg:
-    w(u"YML Assertion failed: " + u(msg) + u"\n")
-    sys.exit(2)
-except KeyError as msg:
-    w(u"not found: " + u(msg) + u"\n")
-    sys.exit(4)
-except LookupError as msg:
-    w(u"not found: " + u(msg) + u"\n")
-    sys.exit(4)
-except etree.XMLSyntaxError as e:
-    log = e.error_log.filter_from_level(etree.ErrorLevels.FATAL)
-    for entry in log:
-        w(u"XML error: " + u(entry.message) + u"\n")
-    sys.exit(5)
-except Exception as msg:
-    w(msg)
-    sys.exit(5)