/usr/lib/python2.7/dist-packages/sx/pisa3/pisa_context.py is in python-pisa 3.0.32-3.
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#############################################
## (C)opyright by Dirk Holtwick, 2002-2007 ##
## All rights reserved ##
#############################################
__reversion__ = "$Revision: 20 $"
__author__ = "$Author: holtwick $"
__date__ = "$Date: 2007-10-09 12:58:24 +0200 (Di, 09 Okt 2007) $"
from pisa_util import *
from pisa_reportlab import *
import pisa_default
import pisa_parser
import re
import urlparse
import types
from reportlab.platypus.paraparser import ParaParser, ParaFrag, ps2tt, tt2ps, ABag
from reportlab.platypus.paragraph import cleanBlockQuotedText
from reportlab.lib.styles import ParagraphStyle
import reportlab.rl_config
reportlab.rl_config.warnOnMissingFontGlyphs = 0
from reportlab.pdfbase import pdfmetrics
from reportlab.pdfbase.ttfonts import TTFont
from reportlab.lib.fonts import addMapping
from sx.w3c import css, cssDOMElementInterface
from html5lib.sanitizer import *
import logging
log = logging.getLogger("ho.pisa")
sizeDelta = 2 # amount to reduce font size by for super and sub script
subFraction = 0.4 # fraction of font size that a sub script should be lowered
superFraction = 0.4
NBSP = u"\u00a0"
def clone(self, **kwargs):
n = ParaFrag(**self.__dict__)
if kwargs:
d = n.__dict__
d.update(kwargs)
# This else could cause trouble in Paragraphs with images etc.
if "cbDefn" in d:
del d["cbDefn"]
n.bulletText = None
return n
ParaFrag.clone = clone
def getParaFrag(style):
frag = ParaFrag()
frag.sub = 0
frag.super = 0
frag.rise = 0
frag.underline = 0 # XXX Need to be able to set color to fit CSS tests
frag.strike = 0
frag.greek = 0
frag.link = None
frag.text = ""
# frag.lineBreak = 0
#if bullet:
# frag.fontName, frag.bold, frag.italic = ps2tt(style.bulletFontName)
# frag.fontSize = style.bulletFontSize
# frag.textColor = hasattr(style,'bulletColor') and style.bulletColor or style.textColor
#else:
frag.fontName = "Times-Roman"
frag.fontName, frag.bold, frag.italic = ps2tt(style.fontName)
frag.fontSize = style.fontSize
frag.textColor = style.textColor
# Extras
frag.leading = 0
frag.leadingSource = "150%"
frag.leadingSpace = 0
frag.backColor = None
frag.spaceBefore = 0
frag.spaceAfter = 0
frag.leftIndent = 0
frag.rightIndent = 0
frag.firstLineIndent = 0
frag.keepWithNext = False
frag.alignment = TA_LEFT
frag.vAlign = None
frag.borderWidth = 1
frag.borderStyle = None
frag.borderPadding = 0
frag.borderColor = None
frag.borderLeftWidth = frag.borderWidth
frag.borderLeftColor = frag.borderColor
frag.borderLeftStyle = frag.borderStyle
frag.borderRightWidth = frag.borderWidth
frag.borderRightColor = frag.borderColor
frag.borderRightStyle = frag.borderStyle
frag.borderTopWidth = frag.borderWidth
frag.borderTopColor = frag.borderColor
frag.borderTopStyle = frag.borderStyle
frag.borderBottomWidth = frag.borderWidth
frag.borderBottomColor = frag.borderColor
frag.borderBottomStyle = frag.borderStyle
frag.paddingLeft = 0
frag.paddingRight = 0
frag.paddingTop = 0
frag.paddingBottom = 0
frag.listStyleType = None
frag.listStyleImage = None
frag.whiteSpace = "normal"
frag.pageNumber = False
frag.height = None
frag.width = None
frag.bulletIndent = 0
frag.bulletText = None
frag.bulletFontName = "Helvetica"
frag.zoom = 1.0
frag.outline = False
frag.outlineLevel = 0
frag.outlineOpen = False
frag.keepInFrameMode = "shrink"
#frag.keepInFrameMaxWidth = None
#frag.keepInFrameMaxHeight = None
frag.insideStaticFrame = 0
return frag
def getDirName(path):
if path and not (path.lower().startswith("http:") or path.lower().startswith("https:")):
return os.path.dirname(os.path.abspath(path))
return path
class pisaCSSBuilder(css.CSSBuilder):
def atFontFace(self, declarations):
" Embed fonts "
result = self.ruleset([self.selector('*')], declarations)
# print "@FONT-FACE", declarations, result
try:
data = result[0].values()[0]
names = data["font-family"]
# Font weight
fweight = str(data.get("font-weight", "normal")).lower()
bold = fweight in ("bold", "bolder", "500", "600", "700", "800", "900")
if not bold and fweight <> "normal":
log.warn(self.c.warning("@fontface, unknown value font-weight '%s'", fweight))
# Font style
italic = str(data.get("font-style", "")).lower() in ("italic", "oblique")
src = self.c.getFile(data["src"])
self.c.loadFont(
names,
src,
bold=bold,
italic=italic)
except Exception, e:
log.warn(self.c.warning("@fontface"), exc_info=1)
return {}, {}
def _pisaDimensions(self, data, width, height):
" Calculate dimensions of a box "
# print data, width, height
box = data.get("-pdf-frame-box", [])
# print 123, box
if len(box) == 4:
return [getSize(x) for x in box]
top = getSize(data.get("top", 0), height)
left = getSize(data.get("left", 0), width)
bottom = - getSize(data.get("bottom", 0), height)
right = - getSize(data.get("right", 0), width)
w = getSize(data.get("width", 0), width, default=None)
h = getSize(data.get("height", 0), height, default=None)
#print width, height, top, left, bottom, right, w, h
if "height" in data:
if "bottom" in data:
top = bottom - h
else:
bottom = top + h
if "width" in data:
if "right" in data:
# print right, w
left = right - w
else:
right = left + w
top += getSize(data.get("margin-top", 0), height)
left += getSize(data.get("margin-left", 0), width)
bottom -= getSize(data.get("margin-bottom", 0), height)
right -= getSize(data.get("margin-right", 0), width)
# box = getCoords(left, top, width, height, self.c.pageSize)
# print "BOX", box
# print top, left, w, h
return left, top, right, bottom
def _pisaAddFrame(self, name, data, first=False, border=None, size=(0,0)):
c = self.c
if not name:
name = "-pdf-frame-%d" % c.UID()
x, y, w, h = self._pisaDimensions(data, size[0], size[1])
# print name, x, y, w, h
#if not (w and h):
# return None
if first:
return (
name,
None,
data.get("-pdf-frame-border", border),
x, y, w, h)
return (
name,
data.get("-pdf-frame-content", None),
data.get("-pdf-frame-border", border),
x, y, w, h)
def atPage(self, name, pseudopage, declarations):
try:
c = self.c
data = {}
name = name or "body"
pageBorder = None
if declarations:
result = self.ruleset([self.selector('*')], declarations)
# print "@PAGE", name, pseudopage, declarations, result
if declarations:
data = result[0].values()[0]
pageBorder = data.get("-pdf-frame-border", None)
if c.templateList.has_key(name):
log.warn(self.c.warning("template '%s' has already been defined", name))
if data.has_key("-pdf-page-size"):
c.pageSize = pisa_default.PML_PAGESIZES.get(str(data["-pdf-page-size"]).lower(), c.pageSize)
if data.has_key("size"):
size = data["size"]
# print size, c.pageSize
if type(size) is not types.ListType:
size = [size]
isLandscape = False
sizeList = []
for value in size:
valueStr = str(value).lower()
if type(value) is types.TupleType:
sizeList.append(getSize(value))
elif valueStr == "landscape":
isLandscape = True
elif pisa_default.PML_PAGESIZES.has_key(valueStr):
c.pageSize = pisa_default.PML_PAGESIZES[valueStr]
else:
log.warn(c.warning("Unknown size value for @page"))
if len(sizeList) == 2:
c.pageSize = sizeList
if isLandscape:
c.pageSize = landscape(c.pageSize)
for prop in [
"margin-top",
"margin-left",
"margin-right",
"margin-bottom",
"top",
"left",
"right",
"bottom",
"width",
"height"
]:
if data.has_key(prop):
c.frameList.append(self._pisaAddFrame(name, data, first=True, border=pageBorder, size=c.pageSize))
break
# self._drawing = PmlPageDrawing(self._pagesize)
#if not c.frameList:
# c.warning("missing frame definitions for template")
# return {}, {}
# Frames have to be calculated after we know the pagesize
frameList = []
staticList = []
for fname, static, border, x, y, w, h in c.frameList:
x, y, w, h = getCoords(x, y, w, h, c.pageSize)
if w <= 0 or h <= 0:
log.warn(self.c.warning("Negative width or height of frame. Check @frame definitions."))
frame = Frame(
x, y, w, h,
id=fname,
leftPadding=0,
rightPadding=0,
bottomPadding=0,
topPadding=0,
showBoundary=border or pageBorder)
if static:
frame.pisaStaticStory = []
c.frameStatic[static] = [frame] + c.frameStatic.get(static, [])
staticList.append(frame)
else:
frameList.append(frame)
background = data.get("background-image", None)
if background:
background = self.c.getFile(background)
# print background
# print frameList
if not frameList:
# print 999
log.warn(c.warning("missing explicit frame definition for content or just static frames"))
fname, static, border, x, y, w, h = self._pisaAddFrame(name, data, first=True, border=pageBorder, size=c.pageSize)
x, y, w, h = getCoords(x, y, w, h, c.pageSize)
if w <= 0 or h <= 0:
log.warn(c.warning("Negative width or height of frame. Check @page definitions."))
frameList.append(Frame(
x, y, w, h,
id=fname,
leftPadding=0,
rightPadding=0,
bottomPadding=0,
topPadding=0,
showBoundary=border or pageBorder))
pt = PmlPageTemplate(
id=name,
frames=frameList,
pagesize=c.pageSize,
)
pt.pisaStaticList = staticList
pt.pisaBackground = background
pt.pisaBackgroundList = c.pisaBackgroundList
# self._pagesize)
# pt.pml_statics = self._statics
# pt.pml_draw = self._draw
# pt.pml_drawing = self._drawing
# pt.pml_background = attrs.background
# pt.pml_bgstory = self._bgstory
c.templateList[name] = pt
c.template = None
c.frameList = []
c.frameStaticList = []
except Exception, e:
log.warn(self.c.warning("@page"), exc_info=1)
return {}, {}
def atFrame(self, name, declarations):
if declarations:
result = self.ruleset([self.selector('*')], declarations)
# print "@BOX", name, declarations, result
try:
data = result[0]
if data:
data = data.values()[0]
self.c.frameList.append(
self._pisaAddFrame(
name,
data,
size=self.c.pageSize))
except Exception, e:
log.warn(self.c.warning("@frame"), exc_info=1)
return {}, {}
class pisaCSSParser(css.CSSParser):
def parseExternal(self, cssResourceName):
# print "@import", self.rootPath, cssResourceName
oldRootPath = self.rootPath
cssFile = self.c.getFile(cssResourceName, relative=self.rootPath)
result = []
if not cssFile:
return None
if self.rootPath and (self.rootPath.startswith("http:") or self.rootPath.startswith("https:")):
self.rootPath = urlparse.urljoin(self.rootPath, cssResourceName)
else:
self.rootPath = getDirName(cssFile.uri)
# print "###", self.rootPath
result = self.parse(cssFile.getData())
self.rootPath = oldRootPath
return result
class pisaContext:
"""
Helper class for creation of reportlab story and container for
varoius data.
"""
def __init__(self, path, debug=0, capacity=-1):
self.fontList = copy.copy(pisa_default.DEFAULT_FONT)
self.path = []
self.capacity=capacity
self.node = None
self.toc = PmlTableOfContents()
self.story = []
self.text = []
self.log = []
self.err = 0
self.warn = 0
self.text = u""
self.uidctr = 0
self.multiBuild = False
self.pageSize = A4
self.template = None
self.templateList = {}
self.frameList = []
self.frameStatic = {}
self.frameStaticList = []
self.pisaBackgroundList = []
self.baseFontSize = getSize("12pt")
self.anchorFrag = []
self.anchorName = []
self.tableData = None
self.frag = self.fragBlock = getParaFrag(ParagraphStyle('default%d' % self.UID()))
self.fragList = []
self.fragAnchor = []
self.fragStack = []
self.fragStrip = True
self.listCounter = 0
self.cssText = ""
self.image = None
self.imageData = {}
self.force = False
self.pathCallback = None # External callback function for path calculations
# Store path to document
self.pathDocument = path or "__dummy__"
if not (self.pathDocument.lower().startswith("http:") or self.pathDocument.lower().startswith("https:")):
self.pathDocument = os.path.abspath(self.pathDocument)
self.pathDirectory = getDirName(self.pathDocument)
self.meta = dict(
author="",
title="",
subject="",
keywords="",
pagesize=A4,
)
def UID(self):
self.uidctr += 1
return self.uidctr
# METHODS FOR CSS
def addCSS(self, value):
value = value.strip()
if value.startswith("<![CDATA["):
value = value[9: - 3]
if value.startswith("<!--"):
value = value[4: - 3]
self.cssText += value.strip() + "\n"
def parseCSS(self):
#print repr(self.cssText)
# self.debug(9, self.cssText)
# XXX Must be handled in a better way!
#self.cssText = self.cssText.replace("<!--", "\n")
#self.cssText = self.cssText.replace("-->", "\n")
#self.cssText = self.cssText.replace("<![CDATA[", "\n")
#self.cssText = self.cssText.replace("]]>", "\n")
#self.debug(9, self.cssText)
# print repr(self.cssText)
# file("pisa.css", "wb").write(self.cssText.encode("utf8"))
# self.cssText = re.compile(r"url\((.*?\))", re.M).sub('"\1"', self.cssText)
# self.cssText = re.compile(r"\-moz\-.*?([\;\}]+)", re.M).sub(r"\1", self.cssText)
# XXX Import has to be implemented!
# self.cssText = re.compile(r"\@import.*;", re.M).sub("", self.cssText)
# if 0:
# try:
# # Sanitize CSS
# import cssutils
# import logging
# cssutils.log.setlog(logging.getLogger('csslog'))
# cssutils.log.setloglevel(logging.DEBUG)
# sheet = cssutils.parseString(self.cssText)
# self.cssText = sheet.cssText
# #err = csslog.getvalue()
# except ImportError, e:
# pass
# except Exception, e:
# log.exception(self.error("Error parsing CSS by cssutils"))
# print self.cssText
# file("pisa-sanitized.css", "w").write(self.cssText.encode("utf8"))
# print self.cssText
self.cssBuilder = pisaCSSBuilder(mediumSet=["all", "print", "pdf"])
self.cssBuilder.c = self
self.cssParser = pisaCSSParser(self.cssBuilder)
self.cssParser.rootPath = self.pathDirectory
self.cssParser.c = self
self.css = self.cssParser.parse(self.cssText)
self.cssCascade = css.CSSCascadeStrategy(self.css)
self.cssCascade.parser = self.cssParser
# METHODS FOR STORY
def addStory(self, data):
self.story.append(data)
def swapStory(self, story=[]):
self.story, story = copy.copy(story), copy.copy(self.story)
return story
def toParagraphStyle(self, first):
style = ParagraphStyle('default%d' % self.UID(), keepWithNext=first.keepWithNext)
style.fontName = first.fontName
style.fontSize = first.fontSize
style.leading = max(first.leading + first.leadingSpace, first.fontSize * 1.25)
style.backColor = first.backColor
style.spaceBefore = first.spaceBefore
style.spaceAfter = first.spaceAfter
style.leftIndent = first.leftIndent
style.rightIndent = first.rightIndent
style.firstLineIndent = first.firstLineIndent
style.textColor = first.textColor
style.alignment = first.alignment
style.bulletFontName = first.bulletFontName or first.fontName
style.bulletFontSize = first.fontSize
style.bulletIndent = first.bulletIndent
# Border handling for Paragraph
# Transfer the styles for each side of the border, *not* the whole
# border values that reportlab supports. We'll draw them ourselves in
# PmlParagraph.
style.borderTopStyle = first.borderTopStyle
style.borderTopWidth = first.borderTopWidth
style.borderTopColor = first.borderTopColor
style.borderBottomStyle = first.borderBottomStyle
style.borderBottomWidth = first.borderBottomWidth
style.borderBottomColor = first.borderBottomColor
style.borderLeftStyle = first.borderLeftStyle
style.borderLeftWidth = first.borderLeftWidth
style.borderLeftColor = first.borderLeftColor
style.borderRightStyle = first.borderRightStyle
style.borderRightWidth = first.borderRightWidth
style.borderRightColor = first.borderRightColor
# If no border color is given, the text color is used (XXX Tables!)
if (style.borderTopColor is None) and style.borderTopWidth:
style.borderTopColor = first.textColor
if (style.borderBottomColor is None) and style.borderBottomWidth:
style.borderBottomColor = first.textColor
if (style.borderLeftColor is None) and style.borderLeftWidth:
style.borderLeftColor = first.textColor
if (style.borderRightColor is None) and style.borderRightWidth:
style.borderRightColor = first.textColor
style.borderPadding = first.borderPadding
style.paddingTop = first.paddingTop
style.paddingBottom = first.paddingBottom
style.paddingLeft = first.paddingLeft
style.paddingRight = first.paddingRight
# This is the old code replaced by the above, kept for reference
#style.borderWidth = 0
#if getBorderStyle(first.borderTopStyle):
# style.borderWidth = max(first.borderLeftWidth, first.borderRightWidth, first.borderTopWidth, first.borderBottomWidth)
# style.borderPadding = first.borderPadding # + first.borderWidth
# style.borderColor = first.borderTopColor
# # If no border color is given, the text color is used (XXX Tables!)
# if (style.borderColor is None) and style.borderWidth:
# style.borderColor = first.textColor
style.fontName = tt2ps(first.fontName, first.bold, first.italic)
return style
def addTOC(self):
# style = copy.deepcopy(self.toParagraphStyle(self.fragBlock))
#cssAttrs = copy.deepcopy(self.node.cssAttrs)
#frag = copy.deepcopy(self.frag)
styles = []
for i in range(0, 20):
self.node.attributes["class"] = "pdftoclevel%d" % i
#self.node.cssAttrs = copy.deepcopy(cssAttrs)
#self.frag = copy.deepcopy(frag)
self.cssAttr = pisa_parser.CSSCollect(self.node, self)
pisa_parser.CSS2Frag(self, {
"margin-top": 0,
"margin-bottom": 0,
"margin-left": 0,
"margin-right": 0,
}, True)
pstyle = self.toParagraphStyle(self.frag)
#styles.append(copy.deepcopy(pstyle))
styles.append(pstyle)
# log.warn("%r", self.fragBlock.textColor)
self.toc.levelStyles = styles
self.addStory(self.toc)
def dumpPara(self, frags, style):
return
print "%s/%s %s *** PARA" % (style.fontSize, style.leading, style.fontName)
for frag in frags:
print "%s/%s %r %r" % (
frag.fontSize,
frag.leading,
getattr(frag, "cbDefn", None),
frag.text)
print
def addPara(self, force=False):
# print self.force, repr(self.text)
force = (force or self.force)
self.force = False
# Cleanup the trail
try:
rfragList = reversed(self.fragList)
except:
# For Python 2.3 compatibility
rfragList = copy.copy(self.fragList)
rfragList.reverse()
#for frag in rfragList:
# frag.text = frag.text.rstrip()
# if frag.text:
# break
# Find maximum lead
maxLeading = 0
#fontSize = 0
for frag in self.fragList:
leading = getSize(frag.leadingSource, frag.fontSize) + frag.leadingSpace
maxLeading = max(leading, frag.fontSize + frag.leadingSpace, maxLeading)
frag.leading = leading
if force or (self.text.strip() and self.fragList):
# Strip trailing whitespaces
#for f in self.fragList:
# f.text = f.text.lstrip()
# if f.text:
# break
#self.fragList[-1].lineBreak = self.fragList[-1].text.rstrip()
# Update paragraph style by style of first fragment
first = self.fragBlock
style = self.toParagraphStyle(first)
# style.leading = first.leading + first.leadingSpace
if first.leadingSpace:
style.leading = maxLeading
else:
style.leading = getSize(first.leadingSource, first.fontSize) + first.leadingSpace
# style.leading = maxLeading # + first.leadingSpace
#style.fontSize = fontSize
# borderRadius: None,
# print repr(self.text.strip()), style.leading, "".join([repr(x.text) for x in self.fragList])
# print first.leftIndent, first.listStyleType,repr(self.text)
bulletText = copy.copy(first.bulletText)
first.bulletText = None
# Add paragraph to story
if force or len(self.fragAnchor + self.fragList) > 0:
# We need this empty fragment to work around problems in
# Reportlab paragraphs regarding backGround etc.
if self.fragList:
self.fragList.append(self.fragList[ - 1].clone(text=''))
else:
blank = self.frag.clone()
blank.fontName = "Helvetica"
blank.text = ''
self.fragList.append(blank)
self.dumpPara(self.fragAnchor + self.fragList, style)
para = PmlParagraph(
self.text,
style,
frags=self.fragAnchor + self.fragList,
bulletText=bulletText)
# Mirrored and BIDI
#import unicodedata
#for c in self.text:
# print unicodedata.bidirectional(c),
para.outline = first.outline
para.outlineLevel = first.outlineLevel
para.outlineOpen = first.outlineOpen
para.keepWithNext = first.keepWithNext
para.autoLeading = "max"
if self.image:
para = PmlParagraphAndImage(
para,
self.image,
side=self.imageData.get("align", "left"))
self.addStory(para)
self.fragAnchor = []
first.bulletText = None
# Reset data
self.image = None
self.imageData = {}
self.clearFrag()
# METHODS FOR FRAG
def clearFrag(self):
self.fragList = []
self.fragStrip = True
self.text = u""
def copyFrag(self, **kw):
return self.frag.clone(**kw)
def newFrag(self, **kw):
self.frag = self.frag.clone(**kw)
return self.frag
def _appendFrag(self, frag):
if frag.link and frag.link.startswith("#"):
self.anchorFrag.append((frag, frag.link[1:]))
self.fragList.append(frag)
# XXX Argument frag is useless!
def addFrag(self, text="", frag=None):
frag = baseFrag = self.frag.clone()
# if sub and super are both on they will cancel each other out
if frag.sub == 1 and frag.super == 1:
frag.sub = 0
frag.super = 0
# XXX Has to be replaced by CSS styles like vertical-align and font-size
if frag.sub:
frag.rise = - frag.fontSize * subFraction
frag.fontSize = max(frag.fontSize - sizeDelta, 3)
elif frag.super:
frag.rise = frag.fontSize * superFraction
frag.fontSize = max(frag.fontSize - sizeDelta, 3)
# XXX Unused?
#if frag.greek:
# frag.fontName = 'symbol'
# text = _greekConvert(text)
# bold, italic, and underline
frag.fontName = frag.bulletFontName = tt2ps(frag.fontName, frag.bold, frag.italic)
# print frag.bulletFontName
# Modify text for optimal whitespace handling
# XXX Support Unicode whitespaces?
# XXX What about images?
# XXX Doesn't work with Reportlab > 2.1
# NBSP = '\xc2\xa0' # u"_"
#if REPORTLAB22:
# NBSP = u" "
# Replace ­ with empty and normalize NBSP
text = (text
.replace(u"\xad", u"")
.replace(u"\xc2\xa0", NBSP)
.replace(u"\xa0", NBSP))
# log.debug("> %r", text)
if frag.whiteSpace == "pre":
# Handle by lines
for text in re.split(r'(\r\n|\n|\r)', text):
# This is an exceptionally expensive piece of code
self.text += text
if ("\n" in text) or ("\r" in text):
# If EOL insert a linebreak
frag = baseFrag.clone()
frag.text = ""
frag.lineBreak = 1
self._appendFrag(frag)
else:
# Handle tabs in a simple way
text = text.replace(u"\t", 8 * u" ")
# Somehow for Reportlab NBSP have to be inserted
# as single character fragments
for text in re.split(r'(\ )', text):
frag = baseFrag.clone()
if text == " ":
text = NBSP
frag.text = text
self._appendFrag(frag)
else:
for text in re.split(u'(' + NBSP + u')', text):
frag = baseFrag.clone()
if text == NBSP:
self.force = True
frag.text = NBSP
self.text += text
self._appendFrag(frag)
else:
frag.text = " ".join(("x" + text + "x").split())[1: - 1]
if self.fragStrip:
frag.text = frag.text.lstrip()
if frag.text:
self.fragStrip = False
self.text += frag.text
self._appendFrag(frag)
# print frag.fontName, repr(frag.text), frag.bulletText
def pushFrag(self):
self.fragStack.append(self.frag)
self.newFrag()
def pullFrag(self):
self.frag = self.fragStack.pop()
# XXX
def _getFragment(self, l=20):
try:
return repr(" ".join(self.node.toxml().split()[:l]))
except:
return ""
def _getLineNumber(self):
return 0
def context(self, msg):
return "%s\n%s" % (
str(msg),
self._getFragment(50))
# return "line %s: %s\n%s" % (
# self._getLineNumber(),
# str(msg),
# self._getFragment(50))
def warning(self, msg, *args):
self.warn += 1
self.log.append((pisa_default.PML_WARNING, self._getLineNumber(), str(msg), self._getFragment(50)))
try:
return self.context(msg % args)
except:
return self.context(msg)
def error(self, msg, *args):
self.err += 1
self.log.append((pisa_default.PML_ERROR, self._getLineNumber(), str(msg), self._getFragment(50)))
try:
return self.context(msg % args)
except:
return self.context(msg)
# UTILS
def _getFileDeprecated(self, name, relative):
try:
if name.startswith("data:"):
return name
path = relative or self.pathDirectory
if self.pathCallback is not None:
nv = self.pathCallback(name, relative)
else:
if path is None:
log.warn("Could not find main directory for getting filename. Use CWD")
path = os.getcwd()
nv = os.path.normpath(os.path.join(path, name))
if not(nv and os.path.isfile(nv)):
nv = None
if nv is None:
log.warn(self.warning("File '%s' does not exist", name))
return nv
except:
log.warn(self.warning("getFile %r %r %r", name, relative, path), exc_info=1)
def getFile(self, name, relative=None):
"""
Returns a file name or None
"""
if self.pathCallback is not None:
return getFile(self._getFileDeprecated(name, relative))
return getFile(name, relative or self.pathDirectory)
def getFontName(self, names, default="helvetica"):
"""
Name of a font
"""
# print names, self.fontList
if type(names) is not types.ListType:
names = str(names).strip().split(",")
for name in names:
font = self.fontList.get(str(name).strip().lower(), None)
if font is not None:
return font
return self.fontList.get(default, None)
def registerFont(self, fontname, alias=[]):
self.fontList[str(fontname).lower()] = str(fontname)
for a in alias:
self.fontList[str(a)] = str(fontname)
def loadFont(self, names, src, encoding="WinAnsiEncoding", bold=0, italic=0):
# XXX Just works for local filenames!
if names and src: # and src.local:
file = src
src = file.uri
log.debug("Load font %r", src)
if type(names) is types.ListType:
fontAlias = names
else:
fontAlias = [x.lower().strip() for x in names.split(",") if x]
# XXX Problems with unicode here
fontAlias = [str(x) for x in fontAlias]
fontName = fontAlias[0]
parts = src.split(".")
baseName, suffix = ".".join(parts[: - 1]), parts[ - 1]
suffix = suffix.lower()
try:
if suffix == "ttf":
# determine full font name according to weight and style
fullFontName = "%s_%d%d" % (fontName, bold, italic)
# check if font has already been registered
if fullFontName in self.fontList:
log.warn(self.warning("Repeated font embed for %s, skip new embed ", fullFontName))
else:
# Register TTF font and special name
filename = file.getNamedFile()
pdfmetrics.registerFont(TTFont(fullFontName, filename))
# Add or replace missing styles
for bold in (0, 1):
for italic in (0, 1):
if ("%s_%d%d" % (fontName, bold, italic)) not in self.fontList:
addMapping(fontName, bold, italic, fullFontName)
# Register "normal" name and the place holder for style
self.registerFont(fontName, fontAlias + [fullFontName])
elif suffix in ("afm", "pfb"):
if suffix == "afm":
afm = file.getNamedFile()
tfile = pisaFileObject(baseName + ".pfb")
pfb = tfile.getNamedFile()
else:
pfb = file.getNamedFile()
tfile = pisaFileObject(baseName + ".afm")
afm = tfile.getNamedFile()
#afm = baseName + ".afm"
#pfb = baseName + ".pfb"
# determine full font name according to weight and style
fullFontName = "%s_%d%d" % (fontName, bold, italic)
#fontNameOriginal = ""
#for line in open(afm).readlines()[:-1]:
# if line[:16] == 'StartCharMetrics':
# self.error("Font name not found")
# if line[:8] == 'FontName':
# fontNameOriginal = line[9:].strip()
# break
# check if font has already been registered
if fullFontName in self.fontList:
log.warn(self.warning("Repeated font embed for %s, skip new embed", fontName))
else:
# Include font
face = pdfmetrics.EmbeddedType1Face(afm, pfb)
fontNameOriginal = face.name
pdfmetrics.registerTypeFace(face)
# print fontName, fontNameOriginal, fullFontName
justFont = pdfmetrics.Font(fullFontName, fontNameOriginal, encoding)
pdfmetrics.registerFont(justFont)
# Add or replace missing styles
for bold in (0, 1):
for italic in (0, 1):
if ("%s_%d%d" % (fontName, bold, italic)) not in self.fontList:
addMapping(fontName, bold, italic, fontNameOriginal)
# Register "normal" name and the place holder for style
self.registerFont(fontName, fontAlias + [fullFontName, fontNameOriginal])
#import pprint
#pprint.pprint(self.fontList)
else:
log.warning(self.warning("wrong attributes for <pdf:font>"))
except Exception:
log.warn(self.warning("Loading font '%s'", fontName), exc_info=1)
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