Commit 917a3065 authored by Jérome Perrin's avatar Jérome Perrin

ERP5Form: remove PDFParser

This code is not used and rely on pdftk that we don't have installed in
slapos
parent 2539cd44
...@@ -6754,7 +6754,6 @@ Business Template is a set of definitions, such as skins, portal types and categ ...@@ -6754,7 +6754,6 @@ Business Template is a set of definitions, such as skins, portal types and categ
'Products.ERP5Form.MultiRelationField', 'Products.ERP5Form.MultiRelationField',
'Products.ERP5Form.OOoChart', 'Products.ERP5Form.OOoChart',
'Products.ERP5Form.ParallelListField', 'Products.ERP5Form.ParallelListField',
'Products.ERP5Form.PDFParser',
'Products.ERP5Form.PDFTemplate', 'Products.ERP5Form.PDFTemplate',
'Products.ERP5Form.Permissions', 'Products.ERP5Form.Permissions',
'Products.ERP5Form.PlanningBox', 'Products.ERP5Form.PlanningBox',
......
# -*- coding: utf-8 -*-
##############################################################################
#
# Copyright (c) 2008 Nexedi SA and Contributors. All Rights Reserved.
# Mayoro DIAGNE <mayoro@nexedi.com>
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
##############################################################################
import commands
import re
import random
from AccessControl import ClassSecurityInfo
from tempfile import NamedTemporaryFile
PDFTK_EXECUTABLE = "pdftk"
class PDFParser:
"""
PDF parser API provide methods wich allow to manipulate a pdf file allowing
to convert pages as images
"""
security = ClassSecurityInfo()
def __init__(self, pdf_file_descriptor):
"""
initialise self.data with pdf_file_descriptor if string's
The __init__ function can take either a filename, an open file object
or the content of the file
Initialise self.width self.height and self.pages (page count)
"""
self.width = None
self.height = None
self.pages = None
if pdf_file_descriptor is None:
raise ValueError, "No PDF file provided, please choose a pdf form "
if type(pdf_file_descriptor) == 'str':
self.data = pdf_file_descriptor
elif hasattr(pdf_file_descriptor, "read"):
pdf_file_descriptor.seek(0)
self.data = pdf_file_descriptor.read()
pdf_file_descriptor.close()
else:
source = open(pdf_file_descriptor, "rb")
source.seek(0)
self.data = source.read()
source.close()
# opening new file on HDD to save PDF content
temp_pdf_file = NamedTemporaryFile(mode= "w+b")
temp_pdf_name = temp_pdf_file.name
# going to the begining of the input file
# saving content
temp_pdf = open(temp_pdf_name,'w')
# saving content
temp_pdf.write(self.data)
temp_pdf.close()
command_output = commands.getstatusoutput('pdfinfo %s' % \
temp_pdf_name)
if command_output[0] != 0:
raise ValueError, 'Error: convert command failed with the following'\
'error message : \n%s' % command_output[1]
# get the pdf page size
rawstr = r'''
Page\ssize: #begining of the instersting line
\s* #some spaces
(\S+)\sx\s(\S+) #the matching pattern : width and height in pts'''
compile_obj = re.compile(rawstr, re.MULTILINE | re.VERBOSE)
match_obj = re.search(compile_obj, command_output[1])
width, height = match_obj.groups()
# get the pdf page_count
rawstr = r'''
Pages: #begining of the instersting line
\s* #some spaces
(\S+) #the matching pattern : width and height in pts'''
compile_obj = re.compile(rawstr, re.MULTILINE | re.VERBOSE)
match_obj = re.search(compile_obj, command_output[1])
page_count = match_obj.groups()[0]
attributes = {}
self.width = int(round(float(width)))
self.height = int(round(float(height)))
self.pages = int(page_count)
def getData(self):
"""
Return the content of the pdf file
"""
return self.data
security.declarePublic('getPageCount')
def getPageCount(self):
"""
Return the page count of the pdf file
"""
#self.getContentInformation()['Pages']
return self.pages
security.declarePublic('getPageWidth')
def getPageWidth(self):
"""
Return the width of the pdf file
"""
return self.width
security.declarePublic('getPageHeight')
def getPageHeight(self):
"""
Return the page count of the pdf file
"""
return self.height
security.declarePublic('getPageImage')
def getPageImage(self, page, format, resolution, quality):
"""
Return a temporary Image object containing the pape page of the pdf file
width, height: attributes in pixel (px)
format: jpg, png, etc...
resolution: resolution of produced image for exemple 600
quality: quality of produced image for exemple 200 raisonable quality
more hight is quality more time it takes to be gererated
"""
temp_pdf_document_name = "tmp%s.pdf" % str(random.random()).split('.')[-1]
temp_pdf_document = self.newContent(temp_object=True,
portal_type='PDF Document', id=temp_pdf_document_name)
temp_pdf_document.setData(self.getData())
display = 'xlarge'
mime, image_data = temp_pdf_document.convert(format = format,
frame = page,
resolution = resolution,
quality = quality,
display = display)
page_image = None
if image_data is not None:
page_image = self.newContent(temp_object=True, portal_type='Image',
id="page_%s" % page)
page_image.setData(page_image)
return page_image
def getFlattenedPDF(self):
"""
Return a flattened PDF. It's use to merge an input PDF's interactive
form fields with the PDF's pages
"""
temp_input_file = NamedTemporaryFile(mode= "w+b")
temp_input_name = temp_input_file.name
temp_input = open(temp_input_name,'w')
temp_input.write(self.getData())
temp_input.close()
temp_output_file = NamedTemporaryFile(mode= "w+b")
temp_output_name = temp_output_file.name
command_output = commands.getstatusoutput('pdftk %s output %s flatten'\
% (temp_input_name, temp_output_name))
if command_output[0] != 0:
raise IOError, "pdftk failed with the following error %s"\
% command_output[1]
temp_output = open(temp_output_name,'rb')
temp_output.seek(0)
datas = temp_output.read()
temp_output.close()
return datas
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