X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/fdd62169ba22c4c1be2f2306b5339eadd74ffb6d..5913c54d19b8f6775633176032161d49f9b2f1aa:/apps/catalogue/xml_tools.py?ds=sidebyside

diff --git a/apps/catalogue/xml_tools.py b/apps/catalogue/xml_tools.py
deleted file mode 100755
index 928e57be..00000000
--- a/apps/catalogue/xml_tools.py
+++ /dev/null
@@ -1,204 +0,0 @@
-from functools import wraps
-import re
-
-from lxml import etree
-from catalogue.constants import TRIM_BEGIN, TRIM_END, MASTERS
-
-RE_TRIM_BEGIN = re.compile("^<!--%s-->$" % TRIM_BEGIN, re.M)
-RE_TRIM_END = re.compile("^<!--%s-->$" % TRIM_END, re.M)
-
-
-class ParseError(BaseException):
-    pass
-
-
-def obj_memoized(f):
-    """
-        A decorator that caches return value of object methods.
-        The cache is kept with the object, in a _obj_memoized property.
-    """
-    @wraps(f)
-    def wrapper(self, *args, **kwargs):
-        if not hasattr(self, '_obj_memoized'):
-            self._obj_memoized = {}
-        key = (f.__name__,) + args + tuple(sorted(kwargs.iteritems()))
-        try:
-            return self._obj_memoized[key]
-        except TypeError:
-            return f(self, *args, **kwargs)
-        except KeyError:
-            self._obj_memoized[key] = f(self, *args, **kwargs)
-            return self._obj_memoized[key]
-    return wrapper
-
-
-class GradedText(object):
-    _edoc = None
-
-    ROOT = 'utwor'
-    RDF = '{http://www.w3.org/1999/02/22-rdf-syntax-ns#}RDF'
-
-    def __init__(self, text):
-        self._text = text
-
-    @obj_memoized
-    def is_xml(self):
-        """
-            Determines if it's a well-formed XML.
-
-            >>> GradedText("<a/>").is_xml()
-            True
-            >>> GradedText("<a>").is_xml()
-            False
-        """
-        try:
-            self._edoc = etree.fromstring(self._text)
-        except etree.XMLSyntaxError:
-            return False
-        return True
-
-    @obj_memoized
-    def is_wl(self):
-        """
-            Determines if it's an XML with a <utwor> and a master tag.
-
-            >>> GradedText("<utwor><powiesc></powiesc></utwor>").is_wl()
-            True
-            >>> GradedText("<a></a>").is_wl()
-            False
-        """
-        if self.is_xml():
-            e = self._edoc
-            # FIXME: there could be comments
-            ret = e.tag == self.ROOT and (
-                len(e) == 1 and e[0].tag in MASTERS or
-                len(e) == 2 and e[0].tag == self.RDF 
-                    and e[1].tag in MASTERS)
-            if ret:
-                self._master = e[-1].tag
-            del self._edoc
-            return ret
-        else:
-            return False
-
-    @obj_memoized
-    def is_broken_wl(self):
-        """
-            Determines if it at least looks like broken WL file
-            and not just some untagged text.
-
-            >>> GradedText("<utwor><</utwor>").is_broken_wl()
-            True
-            >>> GradedText("some text").is_broken_wl()
-            False
-        """
-        if self.is_wl():
-            return True
-        text = self._text.strip()
-        return text.startswith('<utwor>') and text.endswith('</utwor>')
-
-    def master(self):
-        """
-            Gets the master tag.
-
-            >>> GradedText("<utwor><powiesc></powiesc></utwor>").master()
-            'powiesc'
-        """
-        assert self.is_wl()
-        return self._master
-
-    @obj_memoized
-    def has_trim_begin(self):
-        return RE_TRIM_BEGIN.search(self._text)
-
-    @obj_memoized
-    def has_trim_end(self):
-        return RE_TRIM_END.search(self._text)
-
-
-def _trim(text, trim_begin=True, trim_end=True):
-    """ 
-        Cut off everything before RE_TRIM_BEGIN and after RE_TRIM_END, so
-        that eg. one big XML file can be compiled from many small XML files.
-    """
-    if trim_begin:
-        text = RE_TRIM_BEGIN.split(text, maxsplit=1)[-1]
-    if trim_end:
-        text = RE_TRIM_END.split(text, maxsplit=1)[0]
-    return text
-
-
-def compile_text(parts):
-    """ 
-        Compiles full text from an iterable of parts,
-        trimming where applicable.
-    """
-    texts = []
-    trim_begin = False
-    text = ''
-    for next_text in parts:
-        if not next_text:
-            continue
-        # trim the end, because there's more non-empty text
-        # don't trim beginning, if `text' is the first non-empty part
-        texts.append(_trim(text, trim_begin=trim_begin))
-        trim_begin = True
-        text = next_text
-    # don't trim the end, because there's no more text coming after `text'
-    # only trim beginning if it's not still the first non-empty
-    texts.append(_trim(text, trim_begin=trim_begin, trim_end=False))
-    return "".join(texts)
-
-
-def change_master(text, master):
-    """
-        Changes the master tag in a WL document.
-    """
-    e = etree.fromstring(text)
-    e[-1].tag = master
-    return etree.tostring(e, encoding="utf-8")
-
-
-def basic_structure(text, master):
-    e = etree.fromstring('''<utwor>
-<master>
-<!--%s--><!--%s-->
-</master>
-</utwor>''' % (TRIM_BEGIN, TRIM_END))
-    e[0].tag = master
-    e[0][0].tail = "\n"*3 + text + "\n"*3
-    return etree.tostring(e, encoding="utf-8")
-
-
-def add_trim_begin(text):
-    trim_tag = etree.Comment(TRIM_BEGIN)
-    e = etree.fromstring(text)
-    for master in e[::-1]:
-        if master.tag in MASTERS:
-            break
-    if master.tag not in MASTERS:
-        raise ParseError('No master tag found!')
-
-    master.insert(0, trim_tag)
-    trim_tag.tail = '\n\n\n' + (master.text or '')
-    master.text = '\n'
-    return etree.tostring(e, encoding="utf-8")
-
-
-def add_trim_end(text):
-    trim_tag = etree.Comment(TRIM_END)
-    e = etree.fromstring(text)
-    for master in e[::-1]:
-        if master.tag in MASTERS:
-            break
-    if master.tag not in MASTERS:
-        raise ParseError('No master tag found!')
-
-    master.append(trim_tag)
-    trim_tag.tail = '\n'
-    prev = trim_tag.getprevious()
-    if prev is not None:
-        prev.tail = (prev.tail or '') + '\n\n\n'
-    else:
-        master.text = (master.text or '') + '\n\n\n'
-    return etree.tostring(e, encoding="utf-8")