diff options
| author | pinky <> | 2007-01-07 21:41:39 +0000 |
|---|---|---|
| committer | pinky <> | 2007-01-07 21:41:39 +0000 |
| commit | 05bb5d58295cd959c34f1fbcd5b605cd6dafaacc (patch) | |
| tree | 3b3651037037c1617a54ef3d216e8c11ea8cdddf /bin/reportlab/tools/pythonpoint/stdparser.py | |
| parent | 62524af2f41454a2302efb21f15a95318d257a76 (diff) | |
Repotrlab 2.0
bzr revid: pinky-b8333ccaab5dad8ff965b6c380fadadf30d5212a
Diffstat (limited to 'bin/reportlab/tools/pythonpoint/stdparser.py')
| -rw-r--r-- | bin/reportlab/tools/pythonpoint/stdparser.py | 813 |
1 files changed, 813 insertions, 0 deletions
diff --git a/bin/reportlab/tools/pythonpoint/stdparser.py b/bin/reportlab/tools/pythonpoint/stdparser.py new file mode 100644 index 00000000000..aaca2df2000 --- /dev/null +++ b/bin/reportlab/tools/pythonpoint/stdparser.py @@ -0,0 +1,813 @@ +""" +Parser for PythonPoint using the xmllib.py in the standard Python +distribution. Slow, but always present. We intend to add new parsers +as Python 2.x and the XML package spread in popularity and stabilise. + +The parser has a getPresentation method; it is called from +pythonpoint.py. +""" + +import string, imp, sys, os, copy +from reportlab.lib.utils import SeqTypes +from reportlab.lib import xmllib +from reportlab.lib import colors +from reportlab.lib.enums import TA_LEFT, TA_RIGHT, TA_CENTER, TA_JUSTIFY +from reportlab.lib.utils import recursiveImport +from reportlab.tools.pythonpoint import pythonpoint +from reportlab.platypus import figures + + +def getModule(modulename,fromPath='reportlab.tools.pythonpoint.styles'): + """Get a module containing style declarations. + + Search order is: + reportlab/tools/pythonpoint/ + reportlab/tools/pythonpoint/styles/ + ./ + """ + + try: + exec 'from reportlab.tools.pythonpoint import '+modulename + return eval(modulename) + except ImportError: + try: + exec 'from reportlab.tools.pythonpoint.styles import '+modulename + return eval(modulename) + except ImportError: + exec 'import '+modulename + return eval(modulename) + + +class PPMLParser(xmllib.XMLParser): + attributes = { + #this defines the available attributes for all objects, + #and their default values. Although these don't have to + #be strings, the ones parsed from the XML do, so + #everything is a quoted string and the parser has to + #convert these to numbers where appropriate. + 'stylesheet': { + 'path':'None', + 'module':'None', + 'function':'getParagraphStyles' + }, + 'frame': { + 'x':'0', + 'y':'0', + 'width':'0', + 'height':'0', + 'border':'false', + 'leftmargin':'0', #this is ignored + 'topmargin':'0', #this is ignored + 'rightmargin':'0', #this is ignored + 'bottommargin':'0', #this is ignored + }, + 'slide': { + 'id':'None', + 'title':'None', + 'effectname':'None', # Split, Blinds, Box, Wipe, Dissolve, Glitter + 'effectdirection':'0', # 0,90,180,270 + 'effectdimension':'H', # H or V - horizontal or vertical + 'effectmotion':'I', # Inwards or Outwards + 'effectduration':'1', #seconds, + 'outlineentry':'None', + 'outlinelevel':'0' # 1 is a child, 2 is a grandchild etc. + }, + 'para': { + 'style':'Normal', + 'bullettext':'', + 'effectname':'None', + 'effectdirection':'0', + 'effectdimension':'H', + 'effectmotion':'I', + 'effectduration':'1' + }, + 'image': { + 'filename':'', + 'width':'None', + 'height':'None', + 'effectname':'None', + 'effectdirection':'0', + 'effectdimension':'H', + 'effectmotion':'I', + 'effectduration':'1' + }, + 'table': { + 'widths':'None', + 'heights':'None', + 'fieldDelim':',', + 'rowDelim':'\n', + 'style':'None', + 'effectname':'None', + 'effectdirection':'0', + 'effectdimension':'H', + 'effectmotion':'I', + 'effectduration':'1' + }, + 'rectangle': { + 'x':'0', + 'y':'0', + 'width':'100', + 'height':'100', + 'fill':'None', + 'stroke':'(0,0,0)', + 'linewidth':'0', + 'effectname':'None', + 'effectdirection':'0', + 'effectdimension':'H', + 'effectmotion':'I', + 'effectduration':'1' + }, + 'roundrect': { + 'x':'0', + 'y':'0', + 'width':'100', + 'height':'100', + 'radius':'6', + 'fill':'None', + 'stroke':'(0,0,0)', + 'linewidth':'0', + 'effectname':'None', + 'effectdirection':'0', + 'effectdimension':'H', + 'effectmotion':'I', + 'effectduration':'1' + }, + 'line': { + 'x1':'0', + 'y1':'0', + 'x2':'100', + 'y2':'100', + 'stroke':'(0,0,0)', + 'width':'0', + 'effectname':'None', + 'effectdirection':'0', + 'effectdimension':'H', + 'effectmotion':'I', + 'effectduration':'1' + }, + 'ellipse': { + 'x1':'0', + 'y1':'0', + 'x2':'100', + 'y2':'100', + 'stroke':'(0,0,0)', + 'fill':'None', + 'linewidth':'0', + 'effectname':'None', + 'effectdirection':'0', + 'effectdimension':'H', + 'effectmotion':'I', + 'effectduration':'1' + }, + 'polygon': { + 'points':'(0,0),(50,0),(25,25)', + 'stroke':'(0,0,0)', + 'linewidth':'0', + 'stroke':'(0,0,0)', + 'fill':'None', + 'effectname':'None', + 'effectdirection':'0', + 'effectdimension':'H', + 'effectmotion':'I', + 'effectduration':'1' + }, + 'string':{ + 'x':'0', + 'y':'0', + 'color':'(0,0,0)', + 'font':'Times-Roman', + 'size':'12', + 'align':'left', + 'effectname':'None', + 'effectdirection':'0', + 'effectdimension':'H', + 'effectmotion':'I', + 'effectduration':'1' + }, + 'customshape':{ + 'path':'None', + 'module':'None', + 'class':'None', + 'initargs':'None' + } + } + + def __init__(self): + self.presentations = [] + #yes, I know a generic stack would be easier... + #still, testing if we are 'in' something gives + #a degree of validation. + self._curPres = None + self._curSection = None + self._curSlide = None + self._curFrame = None + self._curPara = None #the only places we are interested in + self._curPrefmt = None + self._curPyCode = None + self._curString = None + self._curTable = None + self._curTitle = None + self._curAuthor = None + self._curSubject = None + self.fx = 1 + xmllib.XMLParser.__init__(self) + + def _arg(self,tag,args,name): + "What's this for???" + if args.has_key(name): + v = args[name] + else: + if self.attributes.has_key(tag): + v = self.attributes[tag][name] + else: + v = None + return v + + def ceval(self,tag,args,name): + if args.has_key(name): + v = args[name] + else: + if self.attributes.has_key(tag): + v = self.attributes[tag][name] + else: + return None + + # handle named colors (names from reportlab.lib.colors) + if name in ('color', 'stroke', 'fill'): + v = str(pythonpoint.checkColor(v)) + + return eval(v) + + def getPresentation(self): + return self._curPres + + + def handle_data(self, data): + #the only data should be paragraph text, preformatted para + #text, 'string text' for a fixed string on the page, + #or table data + + if self._curPara: + self._curPara.rawtext = self._curPara.rawtext + data + elif self._curPrefmt: + self._curPrefmt.rawtext = self._curPrefmt.rawtext + data + elif self._curPyCode: + self._curPyCode.rawtext = self._curPyCode.rawtext + data + elif self._curString: + self._curString.text = self._curString.text + data + elif self._curTable: + self._curTable.rawBlocks.append(data) + elif self._curTitle <> None: # need to allow empty strings, + # hence explicitly testing for None + self._curTitle = self._curTitle + data + elif self._curAuthor <> None: + self._curAuthor = self._curAuthor + data + elif self._curSubject <> None: + self._curSubject = self._curSubject + data + + def handle_cdata(self, data): + #just append to current paragraph text, so we can quote XML + if self._curPara: + self._curPara.rawtext = self._curPara.rawtext + data + elif self._curPrefmt: + self._curPrefmt.rawtext = self._curPrefmt.rawtext + data + elif self._curPyCode: + self._curPyCode.rawtext = self._curPyCode.rawtext + data + elif self._curString: + self._curString.text = self._curString.text + data + elif self._curTable: + self._curTable.rawBlocks.append(data) + elif self._curAuthor <> None: + self._curAuthor = self._curAuthor + data + elif self._curSubject <> None: + self._curSubject = self._curSubject + data + + def start_presentation(self, args): + self._curPres = pythonpoint.PPPresentation() + self._curPres.filename = self._arg('presentation',args,'filename') + self._curPres.effectName = self._arg('presentation',args,'effect') + self._curPres.pageDuration = self._arg('presentation',args,'pageDuration') + + h = self._arg('presentation',args,'pageHeight') + if h: + self._curPres.pageHeight = h + w = self._arg('presentation',args,'pageWidth') + if w: + self._curPres.pageWidth = w + #print 'page size =', self._curPres.pageSize + + def end_presentation(self): + pass +## print 'Fully parsed presentation',self._curPres.filename + + def start_title(self, args): + self._curTitle = '' + + + def end_title(self): + self._curPres.title = self._curTitle + self._curTitle = None + + def start_author(self, args): + self._curAuthor = '' + + def end_author(self): + self._curPres.author = self._curAuthor + self._curAuthor = None + + def start_subject(self, args): + self._curSubject = '' + + def end_subject(self): + self._curPres.subject = self._curSubject + self._curSubject = None + + def start_stylesheet(self, args): + #makes it the current style sheet. + path = self._arg('stylesheet',args,'path') + if path=='None': path = [] + if type(path) not in SeqTypes: path = [path] + path.append('styles') + path.append(os.getcwd()) + modulename = self._arg('stylesheet', args, 'module') + funcname = self._arg('stylesheet', args, 'function') + try: + found = imp.find_module(modulename, path) + (file, pathname, description) = found + mod = imp.load_module(modulename, file, pathname, description) + except ImportError: + #last gasp + mod = getModule(modulename) + + #now get the function + func = getattr(mod, funcname) + pythonpoint.setStyles(func()) +## print 'set global stylesheet to %s.%s()' % (modulename, funcname) + + def end_stylesheet(self): + pass + + def start_section(self, args): + name = self._arg('section',args,'name') + self._curSection = pythonpoint.PPSection(name) + + def end_section(self): + self._curSection = None + + + def start_slide(self, args): + s = pythonpoint.PPSlide() + s.id = self._arg('slide',args,'id') + s.title = self._arg('slide',args,'title') + a = self._arg('slide',args,'effectname') + if a <> 'None': + s.effectName = a + s.effectDirection = self.ceval('slide',args,'effectdirection') + s.effectDimension = self._arg('slide',args,'effectdimension') + s.effectDuration = self.ceval('slide',args,'effectduration') + s.effectMotion = self._arg('slide',args,'effectmotion') + + #HACK - may not belong here in the long run... + #by default, use the slide title for the outline entry, + #unless it is specified as an arg. + a = self._arg('slide',args,'outlineentry') + if a == "Hide": + s.outlineEntry = None + elif a <> 'None': + s.outlineEntry = a + else: + s.outlineEntry = s.title + + s.outlineLevel = self.ceval('slide',args,'outlinelevel') + + #let it know its section, which may be none + s.section = self._curSection + self._curSlide = s + + def end_slide(self): + self._curPres.slides.append(self._curSlide) + self._curSlide = None + + def start_frame(self, args): + self._curFrame = pythonpoint.PPFrame( + self.ceval('frame',args,'x'), + self.ceval('frame',args,'y'), + self.ceval('frame',args,'width'), + self.ceval('frame',args,'height') + ) + if self._arg('frame',args,'border')=='true': + self._curFrame.showBoundary = 1 + + def end_frame(self): + self._curSlide.frames.append(self._curFrame) + self._curFrame = None + + def start_notes(self, args): + name = self._arg('notes',args,'name') + self._curNotes = pythonpoint.PPNotes() + + def end_notes(self): + self._curSlide.notes.append(self._curNotes) + self._curNotes = None + + def start_registerFont(self, args): + name = self._arg('font',args,'name') + path = self._arg('font',args,'path') + pythonpoint.registerFont0(self.sourceFilename, name, path) + + + def end_registerFont(self): + pass + + + def pack_slide(self, element, args): + if self.fx: + effectName = self._arg(element,args,'effectname') + if effectName <> 'None': + curSlide = copy.deepcopy(self._curSlide) + if self._curFrame: + curFrame = copy.deepcopy(self._curFrame) + curSlide.frames.append(curFrame) + self._curPres.slides.append(curSlide) + self._curSlide.effectName = effectName + self._curSlide.effectDirection = self.ceval(element,args,'effectdirection') + self._curSlide.effectDimension = self._arg(element,args,'effectdimension') + self._curSlide.effectDuration = self.ceval(element,args,'effectduration') + self._curSlide.effectMotion = self._arg(element,args,'effectmotion') + self._curSlide.outlineEntry = None + + def start_para(self, args): + self.pack_slide('para', args) + self._curPara = pythonpoint.PPPara() + self._curPara.style = self._arg('para',args,'style') + + # hack - bullet character if bullet style + bt = self._arg('para',args,'bullettext') + if bt == '': + if self._curPara.style == 'Bullet': + bt = '\xc2\xb7' # Symbol Font bullet character, reasonable default + elif self._curPara.style == 'Bullet2': + bt = '\xc2\xb7' # second-level bullet + else: + bt = None + + self._curPara.bulletText = bt + + def end_para(self): + if self._curFrame: + self._curFrame.content.append(self._curPara) + self._curPara = None + elif self._curNotes: + self._curNotes.content.append(self._curPara) + self._curPara = None + + + def start_prefmt(self, args): + self._curPrefmt = pythonpoint.PPPreformattedText() + self._curPrefmt.style = self._arg('prefmt',args,'style') + + + def end_prefmt(self): + self._curFrame.content.append(self._curPrefmt) + self._curPrefmt = None + + + def start_pycode(self, args): + self._curPyCode = pythonpoint.PPPythonCode() + self._curPyCode.style = self._arg('pycode',args,'style') + + + def end_pycode(self): + self._curFrame.content.append(self._curPyCode) + self._curPyCode = None + + + def start_image(self, args): + self.pack_slide('image',args) + sourceFilename = self.sourceFilename # XXX + filename = self._arg('image',args,'filename') + filename = os.path.join(os.path.dirname(sourceFilename), filename) + self._curImage = pythonpoint.PPImage() + self._curImage.filename = filename + self._curImage.width = self.ceval('image',args,'width') + self._curImage.height = self.ceval('image',args,'height') + + + def end_image(self): + self._curFrame.content.append(self._curImage) + self._curImage = None + + + def start_table(self, args): + self.pack_slide('table',args) + self._curTable = pythonpoint.PPTable() + self._curTable.widths = self.ceval('table',args,'widths') + self._curTable.heights = self.ceval('table',args,'heights') + #these may contain escapes like tabs - handle with + #a bit more care. + if args.has_key('fieldDelim'): + self._curTable.fieldDelim = eval('"' + args['fieldDelim'] + '"') + if args.has_key('rowDelim'): + self._curTable.rowDelim = eval('"' + args['rowDelim'] + '"') + if args.has_key('style'): + self._curTable.style = args['style'] + + + def end_table(self): + self._curFrame.content.append(self._curTable) + self._curTable = None + + + def start_spacer(self, args): + """No contents so deal with it here.""" + sp = pythonpoint.PPSpacer() + sp.height = eval(args['height']) + self._curFrame.content.append(sp) + + + def end_spacer(self): + pass + + + ## the graphics objects - go into either the current section + ## or the current slide. + def start_fixedimage(self, args): + sourceFilename = self.sourceFilename + filename = self._arg('image',args,'filename') + filename = os.path.join(os.path.dirname(sourceFilename), filename) + img = pythonpoint.PPFixedImage() + img.filename = filename + img.x = self.ceval('fixedimage',args,'x') + img.y = self.ceval('fixedimage',args,'y') + img.width = self.ceval('fixedimage',args,'width') + img.height = self.ceval('fixedimage',args,'height') + self._curFixedImage = img + + + def end_fixedimage(self): + if self._curSlide: + self._curSlide.graphics.append(self._curFixedImage) + elif self._curSection: + self._curSection.graphics.append(self._curFixedImage) + self._curFixedImage = None + + + def start_rectangle(self, args): + self.pack_slide('rectangle', args) + rect = pythonpoint.PPRectangle( + self.ceval('rectangle',args,'x'), + self.ceval('rectangle',args,'y'), + self.ceval('rectangle',args,'width'), + self.ceval('rectangle',args,'height') + ) + rect.fillColor = self.ceval('rectangle',args,'fill') + rect.strokeColor = self.ceval('rectangle',args,'stroke') + self._curRectangle = rect + + + def end_rectangle(self): + if self._curSlide: + self._curSlide.graphics.append(self._curRectangle) + elif self._curSection: + self._curSection.graphics.append(self._curRectangle) + self._curRectangle = None + + + def start_roundrect(self, args): + self.pack_slide('roundrect', args) + rrect = pythonpoint.PPRoundRect( + self.ceval('roundrect',args,'x'), + self.ceval('roundrect',args,'y'), + self.ceval('roundrect',args,'width'), + self.ceval('roundrect',args,'height'), + self.ceval('roundrect',args,'radius') + ) + rrect.fillColor = self.ceval('roundrect',args,'fill') + rrect.strokeColor = self.ceval('roundrect',args,'stroke') + self._curRoundRect = rrect + + + def end_roundrect(self): + if self._curSlide: + self._curSlide.graphics.append(self._curRoundRect) + elif self._curSection: + self._curSection.graphics.append(self._curRoundRect) + self._curRoundRect = None + + + def start_line(self, args): + self.pack_slide('line', args) + self._curLine = pythonpoint.PPLine( + self.ceval('line',args,'x1'), + self.ceval('line',args,'y1'), + self.ceval('line',args,'x2'), + self.ceval('line',args,'y2') + ) + self._curLine.strokeColor = self.ceval('line',args,'stroke') + + + def end_line(self): + if self._curSlide: + self._curSlide.graphics.append(self._curLine) + elif self._curSection: + self._curSection.graphics.append(self._curLine) + self._curLine = None + + + def start_ellipse(self, args): + self.pack_slide('ellipse', args) + self._curEllipse = pythonpoint.PPEllipse( + self.ceval('ellipse',args,'x1'), + self.ceval('ellipse',args,'y1'), + self.ceval('ellipse',args,'x2'), + self.ceval('ellipse',args,'y2') + ) + self._curEllipse.strokeColor = self.ceval('ellipse',args,'stroke') + self._curEllipse.fillColor = self.ceval('ellipse',args,'fill') + + + def end_ellipse(self): + if self._curSlide: + self._curSlide.graphics.append(self._curEllipse) + elif self._curSection: + self._curSection.graphics.append(self._curEllipse) + self._curEllipse = None + + + def start_polygon(self, args): + self.pack_slide('polygon', args) + self._curPolygon = pythonpoint.PPPolygon(self.ceval('polygon',args,'points')) + self._curPolygon.strokeColor = self.ceval('polygon',args,'stroke') + self._curPolygon.fillColor = self.ceval('polygon',args,'fill') + + + def end_polygon(self): + if self._curSlide: + self._curSlide.graphics.append(self._curPolygon) + elif self._curSection: + self._curSection.graphics.append(self._curPolygon) + self._curEllipse = None + + + def start_string(self, args): + self.pack_slide('string', args) + self._curString = pythonpoint.PPString( + self.ceval('string',args,'x'), + self.ceval('string',args,'y') + ) + self._curString.color = self.ceval('string',args,'color') + self._curString.font = self._arg('string',args,'font') + self._curString.size = self.ceval('string',args,'size') + if args['align'] == 'left': + self._curString.align = TA_LEFT + elif args['align'] == 'center': + self._curString.align = TA_CENTER + elif args['align'] == 'right': + self._curString.align = TA_RIGHT + elif args['align'] == 'justify': + self._curString.align = TA_JUSTIFY + #text comes later within the tag + + + def end_string(self): + #controller should have set the text + if self._curSlide: + self._curSlide.graphics.append(self._curString) + elif self._curSection: + self._curSection.graphics.append(self._curString) + self._curString = None + + + def start_infostring(self, args): + # like a string, but lets them embed page no, author etc. + self.start_string(args) + self._curString.hasInfo = 1 + + + def end_infostring(self): + self.end_string() + + + def start_customshape(self, args): + #loads one + path = self._arg('customshape',args,'path') + if path=='None': + path = [] + else: + path=[path] + + # add package root folder and input file's folder to path + path.append(os.path.dirname(self.sourceFilename)) + path.append(os.path.dirname(pythonpoint.__file__)) + + modulename = self._arg('customshape',args,'module') + funcname = self._arg('customshape',args,'class') + try: + found = imp.find_module(modulename, path) + (file, pathname, description) = found + mod = imp.load_module(modulename, file, pathname, description) + except ImportError: + mod = getModule(modulename) + + #now get the function + + func = getattr(mod, funcname) + initargs = self.ceval('customshape',args,'initargs') + self._curCustomShape = apply(func, initargs) + + def end_customshape(self): + if self._curSlide: + self._curSlide.graphics.append(self._curCustomShape) + elif self._curSection: + self._curSection.graphics.append(self._curCustomShape) + self._curCustomShape = None + + def start_drawing(self, args): + #loads one + moduleName = args["module"] + funcName = args["constructor"] + showBoundary = int(args.get("showBoundary", "0")) + hAlign = args.get("hAlign", "CENTER") + + + # the path for the imports should include: + # 1. document directory + # 2. python path if baseDir not given, or + # 3. baseDir if given + try: + dirName = sdict["baseDir"] + except: + dirName = None + importPath = [os.getcwd()] + if dirName is None: + importPath.extend(sys.path) + else: + importPath.insert(0, dirName) + + modul = recursiveImport(moduleName, baseDir=importPath) + func = getattr(modul, funcName) + drawing = func() + + drawing.hAlign = hAlign + if showBoundary: + drawing._showBoundary = 1 + + self._curDrawing = pythonpoint.PPDrawing() + self._curDrawing.drawing = drawing + + def end_drawing(self): + self._curFrame.content.append(self._curDrawing) + self._curDrawing = None + + def start_pageCatcherFigure(self, args): + filename = args["filename"] + pageNo = int(args["pageNo"]) + width = float(args.get("width", "595")) + height = float(args.get("height", "842")) + + + fig = figures.PageCatcherFigureNonA4(filename, pageNo, args.get("caption", ""), width, height) + sf = args.get('scaleFactor', None) + if sf: sf = float(sf) + border = not (args.get('border', None) in ['0','no']) + + fig.scaleFactor = sf + fig.border = border + + #self.ceval('pageCatcherFigure',args,'scaleFactor'), + #initargs = self.ceval('customshape',args,'initargs') + self._curFigure = pythonpoint.PPFigure() + self._curFigure.figure = fig + + def end_pageCatcherFigure(self): + self._curFrame.content.append(self._curFigure) + self._curFigure = None + + ## intra-paragraph XML should be allowed through into PLATYPUS + def unknown_starttag(self, tag, attrs): + if self._curPara: + echo = '<%s' % tag + for (key, value) in attrs.items(): + echo = echo + ' %s="%s"' % (key, value) + echo = echo + '>' + self._curPara.rawtext = self._curPara.rawtext + echo + else: + print 'Unknown start tag %s' % tag + + + def unknown_endtag(self, tag): + if self._curPara: + self._curPara.rawtext = self._curPara.rawtext + '</%s>'% tag + else: + print 'Unknown end tag %s' % tag + + def handle_charref(self, name): + try: + if name[0]=='x': + n = int(name[1:],16) + else: + n = int(name) + except ValueError: + self.unknown_charref(name) + return + self.handle_data(unichr(n).encode('utf8')) |
