[FIX] report_webkit: Integration of WebkitHtmlToPdf

The system will read the default path from the webkit_path defined into the ir.config_parameter.
If there is no value, the system will use the PATH.

bzr revid: stw@openerp.com-20120210160929-thor1qik8i3ybnn2

3 files changed, 29 insertions, 37 deletions

diff --git a/addons/report_webkit/company.py b/addons/report_webkit/company.py
index eaf3c02b50f..8be9b4005dd 100644
--- a/addons/report_webkit/company.py
+++ b/addons/report_webkit/company.py
@@ -50,12 +50,6 @@ class ResCompany(osv.osv):
                                                     'html_id',
                                                     'Available html',
                                                 ),
-                'lib_path' : fields.char('Webkit Executable Path', size=264,
-                                         help="Full path to the wkhtmltopdf executable file. "
-                                              "Version 0.9.9 is required. Install a static version "
-                                              "of the library if you experience missing header/footers "
-                                              "on Linux."),
-
     }
 ResCompany()
 
diff --git a/addons/report_webkit/company_view.xml b/addons/report_webkit/company_view.xml
index 04c21037e8e..bf4c13db5d3 100644
--- a/addons/report_webkit/company_view.xml
+++ b/addons/report_webkit/company_view.xml
@@ -8,7 +8,6 @@
             <field name="arch" type="xml">
                 <notebook position="inside">
                     <page string="Webkit">
-                        <field name="lib_path" colspan="4"/>
                         <separator string="Images" colspan="4"/>
                         <field name="header_image" colspan="4" nolabel="1"/>
                         <separator string="Headers" colspan="4"/>
diff --git a/addons/report_webkit/webkit_report.py b/addons/report_webkit/webkit_report.py
index d3057e5a1ee..90a35db10dd 100644
--- a/addons/report_webkit/webkit_report.py
+++ b/addons/report_webkit/webkit_report.py
@@ -36,6 +36,7 @@ import report
 import tempfile
 import time
 import logging
+import sys
 
 from mako.template import Template
 from mako.lookup import TemplateLookup
@@ -71,35 +72,33 @@ class WebKitParser(report_sxw):
         report_sxw.__init__(self, name, table, rml, parser,
             header, store)
 
-    def get_lib(self, cursor, uid, company) :
+    def get_lib(self, cursor, uid):
         """Return the lib wkhtml path"""
-        #TODO Detect lib in system first
-        path = self.pool.get('res.company').read(cursor, uid, company, ['lib_path',])
-        path = path['lib_path']
-        if not path:
-            raise except_osv(
-                             _('Wkhtmltopdf library path is not set in company'),
-                             _('Please install executable on your system'+
-                             ' (sudo apt-get install wkhtmltopdf) or download it from here:'+
-                             ' http://code.google.com/p/wkhtmltopdf/downloads/list and set the'+
-                             ' path to the executable on the Company form.'+
-                             'Minimal version is 0.9.9')
-                            )
-        if os.path.isabs(path) :
-            if (os.path.exists(path) and os.access(path, os.X_OK)\
-                and os.path.basename(path).startswith('wkhtmltopdf')):
-                return path
-            else:
-                raise except_osv(
-                                _('Wrong Wkhtmltopdf path set in company'+
-                                'Given path is not executable or path is wrong'),
-                                'for path %s'%(path)
-                                )
-        else :
-            raise except_osv(
-                            _('path to Wkhtmltopdf is not absolute'),
-                            'for path %s'%(path)
-                            )
+
+        proxy = self.pool.get('ir.config_parameter')
+        webkit_path = proxy.get_param(cursor, uid, 'webkit_path')
+
+        if not webkit_path:
+            try:
+                defpath = os.environ.get('PATH', os.defpath).split(os.pathsep)
+                if hasattr(sys, 'frozen'):
+                    defpath.append(os.getcwd())
+                webkit_path = tools.which('wkhtmltopdf', path=os.path.join(defpath))
+            except IOError:
+                webkit_path = None
+
+        if webkit_path:
+            return webkit_path
+
+        raise except_osv(
+                         _('Wkhtmltopdf library path is not set'),
+                         _('Please install executable on your system' \
+                         ' (sudo apt-get install wkhtmltopdf) or download it from here:' \
+                         ' http://code.google.com/p/wkhtmltopdf/downloads/list and set the' \
+                         ' path in the ir.config_parameter with the webkit_path key.' \
+                         'Minimal version is 0.9.9')
+                        )
+
     def generate_pdf(self, comm_path, report_xml, header, footer, html_list, webkit_header=False):
         """Call webkit in order to generate pdf"""
         if not webkit_header:
@@ -295,8 +294,8 @@ class WebKitParser(report_sxw):
                 logger.error(msg)
                 raise except_osv(_('Webkit render'), msg)
             return (deb, 'html')
-        bin = self.get_lib(cursor, uid, company.id)
-        pdf = self.generate_pdf(bin, report_xml, head, foot, htmls)
+        webkit_bin = self.get_lib(cursor, uid)
+        pdf = self.generate_pdf(webkit_bin, report_xml, head, foot, htmls)
         return (pdf, 'pdf')