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[FIX]report: rml2pdf raise exception if cell is too long to be printed (instead of infinite loop). Workaround for reportlab issue #15: https://bitbucket.org/rptlab/reportlab/issue/15/infinite-pages-produced-when-splitting 

bzr revid: dle@openerp.com-20131112130412-mbdonb9g7n63w84r
This commit is contained in:
Denis Ledoux 2013-11-12 14:04:12 +01:00
parent f42ac76068
commit 6792d85b44
1 changed files with 22 additions and 5 deletions
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27
openerp/report/render/rml2pdf/trml2pdf.py
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@ -631,6 +631,18 @@ class _rml_Illustration(platypus.flowables.Flowable):
drw = _rml_draw(self.localcontext ,self.node,self.styles, images=self.self2.images, path=self.self2.path, title=self.self2.title)
drw.render(self.canv, None)
# Workaround for issue #15: https://bitbucket.org/rptlab/reportlab/issue/15/infinite-pages-produced-when-splitting
original_pto_split = platypus.flowables.PTOContainer.split
def split(self, availWidth, availHeight):
res = original_pto_split(self, availWidth, availHeight)
if len(res) > 2 and len(self._content) > 0:
header = self._content[0]._ptoinfo.header
trailer = self._content[0]._ptoinfo.trailer
if isinstance(res[-2], platypus.flowables.UseUpSpace) and len(header + trailer) == len(res[:-2]):
return []
return res
platypus.flowables.PTOContainer.split = split
class _rml_flowable(object):
def __init__(self, doc, localcontext, images=None, path='.', title=None, canvas=None):
if images is None:
@ -1012,11 +1024,16 @@ class _rml_template(object):
# Reset Page Number with new story tag
fis.append(PageReset())
story_cnt += 1
if self.localcontext and self.localcontext.get('internal_header',False):
self.doc_tmpl.afterFlowable(fis)
self.doc_tmpl.build(fis,canvasmaker=NumberedCanvas)
else:
self.doc_tmpl.build(fis)
try:
if self.localcontext and self.localcontext.get('internal_header',False):
self.doc_tmpl.afterFlowable(fis)
self.doc_tmpl.build(fis,canvasmaker=NumberedCanvas)
else:
self.doc_tmpl.build(fis)
except platypus.doctemplate.LayoutError, e:
e.name = 'Print Error'
e.value = 'The document you are trying to print contains a table row that does not fit on one page. Please try to split it in smaller rows or contact your administrator.'
raise
def parseNode(rml, localcontext=None, fout=None, images=None, path='.', title=None):
node = etree.XML(rml)