def _path(self, node):
self.path = self.canvas.beginPath()
self.path.moveTo(**utils.attr_get(node, ['x', 'y']))
for n in utils._child_get(node, self):
if not n.text:
if n.tag == 'moveto':
vals = utils.text_get(n).split()
self.path.moveTo(utils.unit_get(vals[0]),
utils.unit_get(vals[1]))
elif n.tag == 'curvesto':
vals = utils.text_get(n).split()
while len(vals) > 5:
pos = []
while len(pos) < 6:
pos.append(utils.unit_get(vals.pop(0)))
self.path.curveTo(*pos)
elif n.text:
data = n.text.split(
) # Not sure if I must merge all TEXT_NODE ?
while len(data) > 1:
x = utils.unit_get(data.pop(0))
y = utils.unit_get(data.pop(0))
self.path.lineTo(x, y)
if (not node.get('close')) or utils.bool_get(node.get('close')):
self.path.close()
self.canvas.drawPath(
self.path,
**utils.attr_get(node, [], {
'fill': 'bool',
'stroke': 'bool'
}))
def _rect(self, node):
if node.get('round'):
self.canvas.roundRect(radius=utils.unit_get(node.get('round')),
**utils.attr_get(
node, ['x', 'y', 'width', 'height'], {
'fill': 'bool',
'stroke': 'bool'
}))
else:
self.canvas.rect(
**utils.attr_get(node, ['x', 'y', 'width', 'height'], {
'fill': 'bool',
'stroke': 'bool'
}))
def _circle(self, node):
self.canvas.circle(x_cen=utils.unit_get(node.get('x')),
y_cen=utils.unit_get(node.get('y')),
r=utils.unit_get(node.get('radius')),
**utils.attr_get(node, [], {
'fill': 'bool',
'stroke': 'bool'
}))
def _ellipse(self, node):
x1 = utils.unit_get(node.get('x'))
x2 = utils.unit_get(node.get('width'))
y1 = utils.unit_get(node.get('y'))
y2 = utils.unit_get(node.get('height'))
self.canvas.ellipse(
x1, y1, x2, y2,
**utils.attr_get(node, [], {
'fill': 'bool',
'stroke': 'bool'
}))
def _place(self, node):
flows = _rml_flowable(self.doc,
self.localcontext,
images=self.images,
path=self.path,
title=self.title).render(node)
infos = utils.attr_get(node, ['x', 'y', 'width', 'height'])
infos['y'] += infos['height']
for flow in flows:
w, h = flow.wrap(infos['width'], infos['height'])
if w <= infos['width'] and h <= infos['height']:
infos['y'] -= h
flow.drawOn(self.canvas, infos['x'], infos['y'])
infos['height'] -= h
else:
raise ValueError("Not enough space")
def _flowable(self, node, extra_style=None):
if node.tag == 'pto':
return self._pto(node)
if node.tag == 'para':
style = self.styles.para_style_get(node)
if extra_style:
style.__dict__.update(extra_style)
result = []
for i in self._textual(node).split('\n'):
result.append(
platypus.Paragraph(
i, style,
**(utils.attr_get(node, [], {'bulletText': 'str'}))))
return result
elif node.tag == 'barCode':
try:
from reportlab.graphics.barcode import code128
from reportlab.graphics.barcode import code39
from reportlab.graphics.barcode import code93
from reportlab.graphics.barcode import common
from reportlab.graphics.barcode import fourstate
from reportlab.graphics.barcode import usps
from reportlab.graphics.barcode import createBarcodeDrawing
except ImportError:
_logger.warning("Cannot use barcode renderers:", exc_info=True)
return None
args = utils.attr_get(
node, [], {
'ratio': 'float',
'xdim': 'unit',
'height': 'unit',
'checksum': 'int',
'quiet': 'int',
'width': 'unit',
'stop': 'bool',
'bearers': 'int',
'barWidth': 'float',
'barHeight': 'float'
})
codes = {
'codabar':
lambda x: common.Codabar(x, **args),
'code11':
lambda x: common.Code11(x, **args),
'code128':
lambda x: code128.Code128(str(x), **args),
'standard39':
lambda x: code39.Standard39(str(x), **args),
'standard93':
lambda x: code93.Standard93(str(x), **args),
'i2of5':
lambda x: common.I2of5(x, **args),
'extended39':
lambda x: code39.Extended39(str(x), **args),
'extended93':
lambda x: code93.Extended93(str(x), **args),
'msi':
lambda x: common.MSI(x, **args),
'fim':
lambda x: usps.FIM(x, **args),
'postnet':
lambda x: usps.POSTNET(x, **args),
'ean13':
lambda x: createBarcodeDrawing('EAN13', value=str(x), **args),
'qrcode':
lambda x: createBarcodeDrawing('QR', value=x, **args),
}
code = 'code128'
if node.get('code'):
code = node.get('code').lower()
return codes[code](self._textual(node))
elif node.tag == 'name':
self.styles.names[node.get('id')] = node.get('value')
return None
elif node.tag == 'xpre':
style = self.styles.para_style_get(node)
return platypus.XPreformatted(
self._textual(node), style,
**(utils.attr_get(node, [], {
'bulletText': 'str',
'dedent': 'int',
'frags': 'int'
})))
elif node.tag == 'pre':
style = self.styles.para_style_get(node)
return platypus.Preformatted(
self._textual(node), style,
**(utils.attr_get(node, [], {
'bulletText': 'str',
'dedent': 'int'
})))
elif node.tag == 'illustration':
return self._illustration(node)
elif node.tag == 'blockTable':
return self._table(node)
elif node.tag == 'title':
styles = reportlab.lib.styles.getSampleStyleSheet()
style = styles['Title']
return platypus.Paragraph(
self._textual(node), style,
**(utils.attr_get(node, [], {'bulletText': 'str'})))
elif re.match('^h([1-9]+[0-9]*)$', (node.tag or '')):
styles = reportlab.lib.styles.getSampleStyleSheet()
style = styles['Heading' + str(node.tag[1:])]
return platypus.Paragraph(
self._textual(node), style,
**(utils.attr_get(node, [], {'bulletText': 'str'})))
elif node.tag == 'image':
image_data = False
if not node.get('file'):
if node.get('name'):
if node.get('name') in self.doc.images:
_logger.debug("Image %s read ", node.get('name'))
image_data = self.doc.images[node.get('name')].read()
else:
_logger.warning("Image %s not defined",
node.get('name'))
return False
else:
import base64
newtext = node.text
if self.localcontext:
newtext = utils._process_text(self, node.text or '')
image_data = base64.decodestring(newtext)
if not image_data:
_logger.debug("No inline image data")
return False
image = StringIO(image_data)
else:
_logger.debug("Image get from file %s", node.get('file'))
image = _open_image(node.get('file'), path=self.doc.path)
return platypus.Image(image,
mask=(250, 255, 250, 255, 250, 255),
**(utils.attr_get(node,
['width', 'height'])))
elif node.tag == 'spacer':
if node.get('width'):
width = utils.unit_get(node.get('width'))
else:
width = utils.unit_get('1cm')
length = utils.unit_get(node.get('length'))
return platypus.Spacer(width=width, height=length)
elif node.tag == 'section':
return self.render(node)
elif node.tag == 'pageNumberReset':
return PageReset()
elif node.tag in ('pageBreak', 'nextPage'):
return platypus.PageBreak()
elif node.tag == 'condPageBreak':
return platypus.CondPageBreak(**(utils.attr_get(node, ['height'])))
elif node.tag == 'setNextTemplate':
return platypus.NextPageTemplate(str(node.get('name')))
elif node.tag == 'nextFrame':
return platypus.CondPageBreak(1000) # TODO: change the 1000 !
elif node.tag == 'setNextFrame':
from reportlab.platypus.doctemplate import NextFrameFlowable
return NextFrameFlowable(str(node.get('name')))
elif node.tag == 'currentFrame':
from reportlab.platypus.doctemplate import CurrentFrameFlowable
return CurrentFrameFlowable(str(node.get('name')))
elif node.tag == 'frameEnd':
return EndFrameFlowable()
elif node.tag == 'hr':
width_hr = node.get('width') or '100%'
color_hr = node.get('color') or 'black'
thickness_hr = node.get('thickness') or 1
lineCap_hr = node.get('lineCap') or 'round'
return platypus.flowables.HRFlowable(width=width_hr,
color=color.get(color_hr),
thickness=float(thickness_hr),
lineCap=str(lineCap_hr))
else:
sys.stderr.write('Warning: flowable not yet implemented: %s !\n' %
(node.tag, ))
return None
def _table(self, node):
children = utils._child_get(node, self, 'tr')
if not children:
return None
length = 0
colwidths = None
rowheights = None
data = []
styles = []
posy = 0
for tr in children:
paraStyle = None
if tr.get('style'):
st = copy.deepcopy(self.styles.table_styles[tr.get('style')])
for si in range(len(st._cmds)):
s = list(st._cmds[si])
s[1] = (s[1][0], posy)
s[2] = (s[2][0], posy)
st._cmds[si] = tuple(s)
styles.append(st)
if tr.get('paraStyle'):
paraStyle = self.styles.styles[tr.get('paraStyle')]
data2 = []
posx = 0
for td in utils._child_get(tr, self, 'td'):
if td.get('style'):
st = copy.deepcopy(
self.styles.table_styles[td.get('style')])
for s in st._cmds:
s[1][1] = posy
s[2][1] = posy
s[1][0] = posx
s[2][0] = posx
styles.append(st)
if td.get('paraStyle'):
# TODO: merge styles
paraStyle = self.styles.styles[td.get('paraStyle')]
posx += 1
flow = []
for n in utils._child_get(td, self):
if n.tag == etree.Comment:
n.text = ''
continue
fl = self._flowable(n, extra_style=paraStyle)
if isinstance(fl, list):
flow += fl
else:
flow.append(fl)
if not len(flow):
flow = self._textual(td)
data2.append(flow)
if len(data2) > length:
length = len(data2)
for ab in data:
while len(ab) < length:
ab.append('')
while len(data2) < length:
data2.append('')
data.append(data2)
posy += 1
if node.get('colWidths'):
assert length == len(node.get('colWidths').split(','))
colwidths = [
utils.unit_get(f.strip())
for f in node.get('colWidths').split(',')
]
if node.get('rowHeights'):
rowheights = [
utils.unit_get(f.strip())
for f in node.get('rowHeights').split(',')
]
if len(rowheights) == 1:
rowheights = rowheights[0]
table = platypus.LongTable(data=data,
colWidths=colwidths,
rowHeights=rowheights,
**(utils.attr_get(node, ['splitByRow'], {
'repeatRows': 'int',
'repeatCols': 'int'
})))
if node.get('style'):
table.setStyle(self.styles.table_styles[node.get('style')])
for s in styles:
table.setStyle(s)
return table
def _drawRightString(self, node):
v = utils.attr_get(node, ['x', 'y'])
text = self._textual(node, **v)
text = utils.xml2str(text)
self.canvas.drawRightString(text=text, **v)
def __init__(self,
localcontext,
out,
node,
doc,
images=None,
path='.',
title=None):
if images is None:
images = {}
if not localcontext:
localcontext = {'internal_header': True}
self.localcontext = localcontext
self.images = images
self.path = path
self.title = title
pagesize_map = {'a4': A4, 'us_letter': letter}
pageSize = (841.8897637795275, 595.275590551181)
self.doc_tmpl = TinyDocTemplate(
out,
pagesize=pageSize,
**utils.attr_get(
node,
['leftMargin', 'rightMargin', 'topMargin', 'bottomMargin'], {
'allowSplitting': 'int',
'showBoundary': 'bool',
'rotation': 'int',
'title': 'str',
'author': 'str'
}))
self.page_templates = []
self.styles = doc.styles
self.doc = doc
self.image = []
pts = node.findall('pageTemplate')
for pt in pts:
frames = []
for frame_el in pt.findall('frame'):
frame = platypus.Frame(
**(utils.attr_get(frame_el, [
'x1', 'y1', 'width', 'height', 'leftPadding',
'rightPadding', 'bottomPadding', 'topPadding'
], {
'id': 'str',
'showBoundary': 'bool'
})))
if utils.attr_get(frame_el, ['last']):
frame.lastFrame = True
frames.append(frame)
try:
gr = pt.findall('pageGraphics')\
or pt[1].findall('pageGraphics')
except Exception: # FIXME: be even more specific, perhaps?
gr = ''
if len(gr):
# self.image=[ n for n in utils._child_get(gr[0], self) if n.tag=='image' or not self.localcontext]
drw = _rml_draw(self.localcontext,
gr[0],
self.doc,
images=images,
path=self.path,
title=self.title)
self.page_templates.append(
platypus.PageTemplate(frames=frames,
onPage=drw.render,
**utils.attr_get(
pt, [], {'id': 'str'})))
else:
drw = _rml_draw(self.localcontext,
node,
self.doc,
title=self.title)
self.page_templates.append(
platypus.PageTemplate(frames=frames,
onPage=drw.render,
**utils.attr_get(
pt, [], {'id': 'str'})))
self.doc_tmpl.addPageTemplates(self.page_templates)
