def stringWidth(self, text, size, encoding=None):
"Just ensure we do width test on characters, not bytes..."
if isBytes(text):
text = text.decode('utf8')
widths = self.unicodeWidths
return size * 0.001 * sum([widths.get(uch, 1000) for uch in text])
def stringWidth(self, text, size, encoding=None):
"Just ensure we do width test on characters, not bytes..."
if isBytes(text):
text = text.decode('utf8')
widths = self.unicodeWidths
return size * 0.001 * sum([widths.get(uch, 1000) for uch in text])
def inner(*args, **kwds):
text = args[tx]
if isBytes(tx):
text = text.decode(enc)
args = args[:tx]+(text,)+args[tx:]
return f(*args, **kwds).encode(enc)
else:
return f(*args, **kwds)
def formatForPdf(self, text):
#these ones should be encoded asUTF16 minus the BOM
from codecs import utf_16_be_encode
#print 'formatting %s: %s' % (type(text), repr(text))
if isBytes(text):
text = text.decode('utf8')
utfText = utf_16_be_encode(text)[0]
encoded = escapePDF(utfText)
#print ' encoded:',encoded
return encoded
def formatForPdf(self, text):
#these ones should be encoded asUTF16 minus the BOM
from codecs import utf_16_be_encode
#print 'formatting %s: %s' % (type(text), repr(text))
if isBytes(text):
text = text.decode('utf8')
utfText = utf_16_be_encode(text)[0]
encoded = escapePDF(utfText)
#print ' encoded:',encoded
return encoded
def write(self,u):
if isBytes(u):
try:
u = u.decode('utf-8')
except:
et, ev, tb = sys.exc_info()
ev = str(ev)
del et, tb
raise ValueError("String %r not encoded as 'utf-8'\nerror=%s" % (u,ev))
elif not isUnicode(u):
raise ValueError("EncodedWriter.write(%s) argument should be 'utf-8' bytes or str" % ascii(u))
self.append(u)
def text2PathDescription(text,
x=0,
y=0,
fontName=_baseGFontName,
fontSize=1000,
anchor='start',
truncate=1,
pathReverse=0,
gs=None):
font = getFont(fontName)
if font._multiByte and not font._dynamicFont:
raise ValueError(
"text2PathDescription doesn't support multi byte fonts like %r" %
fontName)
P_extend = [].extend
if not anchor == 'start':
textLen = stringWidth(text, fontName, fontSize)
if anchor == 'end':
x = x - textLen
elif anchor == 'middle':
x = x - textLen / 2.
if gs is None:
from ._renderPM import gstate
gs = gstate(1, 1)
setFont(gs, fontName, fontSize)
if font._dynamicFont:
for g in gs._stringPath(text, x, y):
P_extend(
processGlyph(g, truncate=truncate, pathReverse=pathReverse))
else:
if isBytes(text):
try:
text = text.decode('utf8')
except UnicodeDecodeError as e:
i, j = e.args[2:4]
raise UnicodeDecodeError(*(e.args[:4] +
('%s\n%s-->%s<--%s' %
(e.args[4], text[max(i - 10, 0):i],
text[i:j], text[j:j + 10]), )))
fc = font
FT = unicode2T1(text, [font] + font.substitutionFonts)
nm1 = len(FT) - 1
for i, (f, t) in enumerate(FT):
if f != fc:
setFont(gs, f.fontName, fontSize)
fc = f
for g in gs._stringPath(t, x, y):
P_extend(
processGlyph(g, truncate=truncate,
pathReverse=pathReverse))
if i != nm1:
x += f.stringWidth(t.decode(f.encName), fontSize)
return P_extend.__self__
def write(self,u):
if isBytes(u):
try:
u = u.decode('utf-8')
except:
et, ev, tb = sys.exc_info()
ev = str(ev)
del et, tb
raise ValueError("String %r not encoded as 'utf-8'\nerror=%s" % (u,ev))
elif not isUnicode(u):
raise ValueError("EncodedWriter.write(%s) argument should be 'utf-8' bytes or str" % ascii(u))
self.append(u)
def _formatText(self, text):
"Generates PDF text output operator(s)"
if log2vis and self.direction in ('LTR', 'RTL'):
# Use pyfribidi to write the text in the correct visual order.
text = log2vis(text,
directionsMap.get(self.direction, DIR_ON),
clean=True)
canv = self._canvas
font = pdfmetrics.getFont(self._fontname)
R = []
if font._dynamicFont:
#it's a truetype font and should be utf8. If an error is raised,
for subset, t in font.splitString(text, canv._doc):
if subset != self._curSubset:
pdffontname = font.getSubsetInternalName(subset, canv._doc)
R.append("%s %s Tf %s TL" %
(pdffontname, fp_str(
self._fontsize), fp_str(self._leading)))
self._curSubset = subset
R.append("(%s) Tj" % canv._escape(t))
elif font._multiByte:
#all the fonts should really work like this - let them know more about PDF...
R.append("%s %s Tf %s TL" % (canv._doc.getInternalFontName(
font.fontName), fp_str(self._fontsize), fp_str(self._leading)))
R.append("(%s) Tj" % font.formatForPdf(text))
else:
#convert to T1 coding
fc = font
if isBytes(text):
try:
text = text.decode('utf8')
except UnicodeDecodeError as e:
i, j = e.args[2:4]
raise UnicodeDecodeError(
*(e.args[:4] + ('%s\n%s-->%s<--%s' %
(e.args[4], text[max(i - 10, 0):i],
text[i:j], text[j:j + 10]), )))
for f, t in pdfmetrics.unicode2T1(text,
[font] + font.substitutionFonts):
if f != fc:
R.append("%s %s Tf %s TL" %
(canv._doc.getInternalFontName(f.fontName),
fp_str(self._fontsize), fp_str(self._leading)))
fc = f
R.append("(%s) Tj" % canv._escape(t))
if font != fc:
R.append("%s %s Tf %s TL" %
(canv._doc.getInternalFontName(self._fontname),
fp_str(self._fontsize), fp_str(self._leading)))
return ' '.join(R)
def __init__(self, fileNameOrContent):
'''fileNameContent has to be bytes content or a string filename'''
self.cleanText = {}
self._annotations = None
self.context = None
self.rawContent = None
#when parsing referenced streams, keep the answers so we don't have to
#do it several times
self._xobjectStreams = {}
#if they pass a big string which looks like PDF, assume a literal
if isBytes(fileNameOrContent) and b"%PDF" in fileNameOrContent[0:20]:
content = fileNameOrContent
self.parseContent(content)
else:
fileName = fileNameOrContent
self.open(fileName)
def _formatText(self, text):
"Generates PDF text output operator(s)"
if log2vis and self.direction in ('LTR','RTL'):
# Use pyfribidi to write the text in the correct visual order.
text = log2vis(text, directionsMap.get(self.direction.upper(),DIR_ON),clean=True)
canv = self._canvas
font = pdfmetrics.getFont(self._fontname)
R = []
if font._dynamicFont:
#it's a truetype font and should be utf8. If an error is raised,
for subset, t in font.splitString(text, canv._doc):
if subset!=self._curSubset:
pdffontname = font.getSubsetInternalName(subset, canv._doc)
R.append("%s %s Tf %s TL" % (pdffontname, fp_str(self._fontsize), fp_str(self._leading)))
self._curSubset = subset
R.append("(%s) Tj" % canv._escape(t))
elif font._multiByte:
#all the fonts should really work like this - let them know more about PDF...
R.append("%s %s Tf %s TL" % (
canv._doc.getInternalFontName(font.fontName),
fp_str(self._fontsize),
fp_str(self._leading)
))
R.append("(%s) Tj" % font.formatForPdf(text))
else:
#convert to T1 coding
fc = font
if isBytes(text):
try:
text = text.decode('utf8')
except UnicodeDecodeError as e:
i,j = e.args[2:4]
raise UnicodeDecodeError(*(e.args[:4]+('%s\n%s-->%s<--%s' % (e.args[4],text[max(i-10,0):i],text[i:j],text[j:j+10]),)))
for f, t in pdfmetrics.unicode2T1(text,[font]+font.substitutionFonts):
if f!=fc:
R.append("%s %s Tf %s TL" % (canv._doc.getInternalFontName(f.fontName), fp_str(self._fontsize), fp_str(self._leading)))
fc = f
R.append("(%s) Tj" % canv._escape(t))
if font!=fc:
R.append("%s %s Tf %s TL" % (canv._doc.getInternalFontName(self._fontname), fp_str(self._fontsize), fp_str(self._leading)))
return ' '.join(R)
def tt2xml(tt):
'''convert tuple tree form to unicode xml'''
if tt is None: return ''
if isBytes(tt):
return tt2xml(tt.decode('utf8'))
if isUnicode(tt):
return escape(tt)
if isinstance(tt,list):
return ''.join(tt2xml(x) for x in tt)
if isinstance(tt,tuple):
tag = tt[0].decode('utf8')
L=['<'+tag].append
C = tt[2]
if tt[1]:
for k,v in tt[1].items():
L((' %s=%s' % (k,quoteattr(v))).decode('utf8'))
if C is not None:
L('>')
L(tt2xml(C))
L('</'+tag+'>')
else:
L('/>')
return ''.join(L.__self__)
raise ValueError('Invalid value %r passed to tt2xml' % tt)
def normalize(self, x):
return int(x.decode('utf8') if isBytes(x) else x)
def _re_match(pat,text,flags=re.M|re.I):
if isPy3 and isBytes(text):
pat = pat.encode('latin1')
return re.match(pat,text,flags)
def preProcess(tree, nameSpace, caller=None):
"""Expands the parsed tree in the namespace and return new one.
Returns a single tag-tuple in most cases, but a list of them
if processing a loop node.
"""
from reportPackages.rlextra.radxml import xmlutils
#expand this into a class with methods for each tag it handles.
#then I can put logic tags in one and data access in another.
tagName, attrs, children, extraStuff = tree
#any attribute as $name becomes th value of name
#tags might be nested in a loop, and if so then
#each dictionary must be a fresh copy rather than
# a pointer to the same dict
newAttrs = attrs.copy() if attrs is not None else {}
for key, value in list(newAttrs.items()):
if isinstance(value,str) and value[0:1] == '$':
newValue = eval(value[1:], nameSpace)
newAttrs[key] = newValue
attrs = newAttrs
if tagName in TAG_LOOP:
innerTxt = attrs[TAG_LOOP_INNER]
outer = eval(attrs[TAG_LOOP_OUTER], nameSpace)
dataSet = []
for row in outer:
nameSpace['__loop_inner__'] = row
rl_exec((innerTxt + " = __loop_inner__\n"), nameSpace)
#at this point we're making lots of child nodes.
# the attribute dictionary of each shold be a copy, not
# a reference
newChildren = processChildren(children, nameSpace)
if newChildren is not None:
dataSet.extend(newChildren)
return dataSet
elif tagName in TAG_ASSIGN:
name = attrs[TAG_ASSIGN_NAME]
valueStr = attrs[TAG_ASSIGN_VALUE]
try:
value = eval(valueStr, nameSpace)
except SyntaxError: #must be a string
value = valueStr
nameSpace[name] = value
return None
elif tagName in TAG_SCRIPT:
code = children[0]
if not code.endswith('\n'): code += '\n'
try:
rl_exec(code, nameSpace)
except SyntaxError:
raise SyntaxError("Error with following script in xpreppy:\n\n%s" % code)
return None
elif tagName in TAG_EXPR:
exprText = children[0]
assert isinstance(exprText,strTypes), "expr can only contain strings"
#attributes may affect escaping
escape = attrs.get(u'escape', None)
encoding = attrs.get(u'encoding',u'utf8')
exprValue = eval(exprText, nameSpace)
if isBytes(exprValue):
exprValue = exprValue.decode(encoding)
elif isUnicode(exprValue):
pass
else:
exprValue = asUnicodeEx(exprValue)
if escape in (u'CDATA',u'CDATAESCAPE'):
exprValue = u'<![CDATA[%s]]>' % exprValue
if escape==u'CDATA': return [exprValue]
elif escape == u'off':
return [asUnicodeEx(exprValue)]
elif escape == u'unescape':
return [xmlutils.unescape(exprValue, ENTITY_SUBSTITUTIONS_DRAWSTRING_DICT)]
return [xmlEscape(exprValue)]
elif tagName in TAG_IF:
condText = attrs[u'cond']
yesOrNo = eval(condText, nameSpace)
if yesOrNo:
return processChildren(children, nameSpace)
elif tagName in TAG_SWITCH:
#two modes, with and without top level variable
exprText = attrs.get(u'expr',u'')
if exprText:
expr = eval(exprText, nameSpace)
selected = None
for child in children:
if isinstance(child,tuple):
(childTagName, childAttrs, grandChildren, stuff) = child
if childTagName in TAG_CASE:
condition = childAttrs[u'condition']
if exprText:
#check if it equals the value
try:
value = eval(condition, nameSpace)
except NameError:
value = condition # assume a string
if (expr == value):
selected = processChildren(grandChildren, nameSpace)
break
else:
#they gave us a full condition, evaluate it
yes = eval(condition, nameSpace)
if yes:
selected = processChildren(grandChildren, nameSpace)
break
elif childTagName in TAG_DEFAULT:
selected = processChildren(grandChildren, nameSpace)
break
else:
raise ValueError('%s tag may only contain these tags: ' % (TAG_SWITCH, ', '.join(TAG_CASE+TAG_DEFAULT)))
return selected
elif tagName in TAG_ACQUIRE:
#all children will be data fetchers
xacquire.acquireData(children, nameSpace)
return None
elif tagName in TAG_DOCLET:
#pull out args needed to initialize
dirName = attrs.get(u"baseDir", None)
moduleName = attrs[u"module"]
className = attrs[u"class"]
dataStr = attrs.get(u"data", None)
#load module, import and create it
if caller == 'rml':
from reportPackages.rlextra.rml2pdf.rml2pdf import _rml2pdf_locations
locations = _rml2pdf_locations(dirName)
else:
locations = dirName
m = recursiveImport(moduleName, locations)
klass = getattr(m, className)
docletObj = klass()
#give it the data model
if dataStr:
dataObj = eval(dataStr, nameSpace)
else:
dataObj = nameSpace
docletObj.setData(dataObj)
#hide it in the tree so RML can see the object
attrs[u'__doclet__'] = docletObj
#return the tag otherwise unmodified
return (tagName, attrs, children, extraStuff)
else:
newChildren = processChildren(children, nameSpace)
return (tagName, attrs, newChildren, extraStuff)
def normalize(self,x):
return int(x.decode('utf8') if isBytes(x) else x)
def _re_match(pat,text,flags=re.M|re.I):
if isBytes(text):
pat = pat.encode('latin1')
return re.match(pat,text,flags)
def preProcess(tree, nameSpace, caller=None):
"""Expands the parsed tree in the namespace and return new one.
Returns a single tag-tuple in most cases, but a list of them
if processing a loop node.
"""
from rlextra.radxml import xmlutils
#expand this into a class with methods for each tag it handles.
#then I can put logic tags in one and data access in another.
tagName, attrs, children, extraStuff = tree
#any attribute as $name becomes th value of name
#tags might be nested in a loop, and if so then
#each dictionary must be a fresh copy rather than
# a pointer to the same dict
newAttrs = attrs.copy() if attrs is not None else {}
for key, value in list(newAttrs.items()):
if isinstance(value,str) and value[0:1] == '$':
newValue = eval(value[1:], nameSpace)
newAttrs[key] = newValue
attrs = newAttrs
if tagName in TAG_LOOP:
innerTxt = attrs[TAG_LOOP_INNER]
outer = eval(attrs[TAG_LOOP_OUTER], nameSpace)
dataSet = []
for row in outer:
nameSpace['__loop_inner__'] = row
rl_exec((innerTxt + " = __loop_inner__\n"), nameSpace)
#at this point we're making lots of child nodes.
# the attribute dictionary of each shold be a copy, not
# a reference
newChildren = processChildren(children, nameSpace)
if newChildren is not None:
dataSet.extend(newChildren)
return dataSet
elif tagName in TAG_ASSIGN:
name = attrs[TAG_ASSIGN_NAME]
valueStr = attrs[TAG_ASSIGN_VALUE]
try:
value = eval(valueStr)
except SyntaxError: #must be a string
value = valueStr
nameSpace[name] = value
return None
elif tagName in TAG_SCRIPT:
code = children[0]
if not code.endswith('\n'): code += '\n'
try:
rl_exec(code, nameSpace)
except SyntaxError:
raise SyntaxError("Error with following script in xpreppy:\n\n%s" % code)
return None
elif tagName in TAG_EXPR:
exprText = children[0]
assert isinstance(exprText,strTypes), "expr can only contain strings"
#attributes may affect escaping
escape = attrs.get(u'escape', None)
encoding = attrs.get(u'encoding',u'utf8')
exprValue = eval(exprText, nameSpace)
if isBytes(exprValue):
exprValue = exprValue.decode(encoding)
elif isUnicode(exprValue):
pass
else:
exprValue = asUnicodeEx(exprValue)
if escape in (u'CDATA',u'CDATAESCAPE'):
exprValue = u'<![CDATA[%s]]>' % exprValue
if escape==u'CDATA': return [exprValue]
elif escape == u'off':
return [asUnicodeEx(exprValue)]
elif escape == u'unescape':
return [xmlutils.unescape(exprValue, ENTITY_SUBSTITUTIONS_DRAWSTRING_DICT)]
return [xmlEscape(exprValue)]
elif tagName in TAG_IF:
condText = attrs[u'cond']
yesOrNo = eval(condText, nameSpace)
if yesOrNo:
return processChildren(children, nameSpace)
elif tagName in TAG_SWITCH:
#two modes, with and without top level variable
exprText = attrs.get(u'expr',u'')
if exprText:
expr = eval(exprText, nameSpace)
selected = None
for child in children:
if isinstance(child,tuple):
(childTagName, childAttrs, grandChildren, stuff) = child
if childTagName in TAG_CASE:
condition = childAttrs[u'condition']
if exprText:
#check if it equals the value
try:
value = eval(condition, nameSpace)
except NameError:
value = condition # assume a string
if (expr == value):
selected = processChildren(grandChildren, nameSpace)
break
else:
#they gave us a full condition, evaluate it
yes = eval(condition, nameSpace)
if yes:
selected = processChildren(grandChildren, nameSpace)
break
elif childTagName in TAG_DEFAULT:
selected = processChildren(grandChildren, nameSpace)
break
else:
raise ValueError('%s tag may only contain these tags: ' % (TAG_SWITCH, ', '.join(TAG_CASE+TAG_DEFAULT)))
return selected
elif tagName in TAG_ACQUIRE:
#all children will be data fetchers
xacquire.acquireData(children, nameSpace)
return None
elif tagName in TAG_DOCLET:
#pull out args needed to initialize
dirName = attrs.get(u"baseDir", None)
moduleName = attrs[u"module"]
className = attrs[u"class"]
dataStr = attrs.get(u"data", None)
#load module, import and create it
if caller == 'rml':
from rlextra.rml2pdf.rml2pdf import _rml2pdf_locations
locations = _rml2pdf_locations(dirName)
else:
locations = dirName
m = recursiveImport(moduleName, locations)
klass = getattr(m, className)
docletObj = klass()
#give it the data model
if dataStr:
dataObj = eval(dataStr, nameSpace)
else:
dataObj = nameSpace
docletObj.setData(dataObj)
#hide it in the tree so RML can see the object
attrs[u'__doclet__'] = docletObj
#return the tag otherwise unmodified
return (tagName, attrs, children, extraStuff)
else:
newChildren = processChildren(children, nameSpace)
return (tagName, attrs, newChildren, extraStuff)
