Raise an error when the pdf generation failed.

languages/fr-fr.py

@@ -88,7 +88,7 @@
 "Can't delete this record since several publications refer to it.": 'Impossible de détruire cet enregistrement car des publications lui font référence.',
 "Can't insert the article.": 'Impossible de créer cet article.',
 "Can't insert the harvester.": 'Impossible de créer ce moissonneur.',
-"Can't insert the harvester. ": "Impossible de créer ce moissonneur. ",
+"Can't insert the harvester. ": 'Impossible de créer ce moissonneur. ',
 "Can't insert the report.": 'Impossible de créer ce rapport.',
 "Can't insert the talk/proceeding.": 'Impossible de créer cet acte ou présentation.',
 "Can't updated a publication marked OK.": "Impossible d'actualiser une publication marquée OK.",
@@ -633,6 +633,7 @@
 'The <i>record id</i> is not well formed.': 'Le <i>record id</i> est mal formé.',
 'The category is used twice !': 'La catégorie est utilisée deux fois !',
 'The field "%s" is missing ...': 'Le champ "%s" est manquant ...',
+'The generation of the PDF file failed.<br>Please, check the LaTeX file.': 'La génération du fichier PDF a échoué.<br>Vérifier le fichier LaTeX...',
 'The graph can be rendered as line or stacked chart. The latter is used when the stacked fields are defined. ': 'The graph can be rendered as line or stacked chart. The latter is used when the stacked fields are defined. ',
 'The identifier of the record in the invenio store': 'The identifier of the record in the invenio store',
 'The institute authors contains the team name?': "Le champ, autheurs du laboratoire, contiens le nom de l'équipe ?",

views/tex2pdf.html

 {{
     #--------------------------------------------------------------------------
     #
-    # Converte to transform a tex file generate by a view as a pdf file
+    # Convert latex file into pdf
     #
     #--------------------------------------------------------------------------
     import base64
@@ -16,8 +16,7 @@
     # Get the latex string generate by the latex view
     # and remove it from the response object
     #
-    latex = response.body.getvalue()
-    response.body = cStringIO.StringIO()
+    slatex = response.body.getvalue()
 
     #
     # go to the private directory and create a latex file
@@ -32,38 +31,45 @@
         os.chdir(wd)
     pass
 
-    fn = str(uuid4())
-    fi = open('%s.tex' % fn, 'wb')
-    fi.write(latex)
+    froot = str(uuid4())
+    ftex = '%s.tex' % froot
+
+    fi = open(ftex, 'wb')
+    fi.write(slatex)
     fi.close()
 
     #
     # Launch a subprocess to convert the latex file into pdf
     #
-    cmd = ['pdflatex', '-interaction', 'nonstopmode', '%s.tex' % fn]
+    cmd = ['pdflatex', '-interaction', 'nonstopmode', ftex]
     call(cmd, stdout=TemporaryFile())
 
     #
     # copy the pdf into a base64 string
     #
-    fn_pdf = '%s.pdf' % fn
-    if os.path.exists(fn_pdf):
-        fi = open(fn_pdf, 'rb')
+    fpdf = '%s.pdf' % froot
+    if os.path.exists(fpdf):
+        fi = open(fpdf, 'rb')
         data = fi.read()
         fi.close()
 
     else:
-        data = "\nThe generation of the PDF file failed."
-        data += "\nPlease, check the LaTeX file."
+        call("rm -f %s.*" % froot, shell=True)
+
+        msg = "The generation of the PDF file failed.<br>"
+        msg += "Please, check the LaTeX file."
+
+        os.chdir(cwd)
+
+        raise HTTP(500, T(msg))
 
     pass
 
-    s64 = base64.b64encode(data)
     #
     # cleaning
     #
     for ext in ('aux', 'log', 'out', 'pdf', 'tex'):
-        f = '%s.%s' % (fn, ext)
+        f = '%s.%s' % (froot, ext)
         if os.path.exists(f):
             os.remove(f)
          pass
@@ -75,5 +81,9 @@
     # Prepare the response
     #
     response.headers['Content-Type']='application/pdf'
+
+    response.body = cStringIO.StringIO()
+
+    s64 = base64.b64encode(data)
     response.write(s64, escape=False)
 }}