fix for running from bad dir

diff --git a/librarian/epub.py b/librarian/epub.py
index f34bb86..469ff40 100644 (file)
--- a/librarian/epub.py
+++ b/librarian/epub.py
@@ -471,7 +471,10 @@ def transform(wldoc, verbose=False,
     if not flags or not 'without-fonts' in flags:
         # strip fonts
         tmpdir = mkdtemp('-librarian-epub')
-        cwd = os.getcwd()
+        try:
+            cwd = os.getcwd()
+        except OSError:
+            cwd = None
 
         os.chdir(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'font-optimizer'))
         for fname in 'DejaVuSerif.ttf', 'DejaVuSerif-Bold.ttf', 'DejaVuSerif-Italic.ttf', 'DejaVuSerif-BoldItalic.ttf':
@@ -486,7 +489,8 @@ def transform(wldoc, verbose=False,
             manifest.append(etree.fromstring(
                 '<item id="%s" href="%s" media-type="font/ttf" />' % (fname, fname)))
         rmtree(tmpdir)
-        os.chdir(cwd)
+        if cwd is not None:
+            os.chdir(cwd)
 
     zip.writestr('OPS/content.opf', etree.tostring(opf, pretty_print=True))
     title = document.book_info.title

diff --git a/librarian/pdf.py b/librarian/pdf.py
index 7bba9d2..3c83cad 100644 (file)
--- a/librarian/pdf.py
+++ b/librarian/pdf.py
@@ -250,7 +250,10 @@ def transform(wldoc, verbose=False, save_tex=None, morefloats=None,
         shutil.copy(get_resource('pdf/wl.cls'), temp)
         shutil.copy(get_resource('res/wl-logo.png'), temp)
 
-        cwd = os.getcwd()
+        try:
+            cwd = os.getcwd()
+        except OSError:
+            cwd = None
         os.chdir(temp)
 
         if verbose:
@@ -260,7 +263,8 @@ def transform(wldoc, verbose=False, save_tex=None, morefloats=None,
         if p:
             raise ParseError("Error parsing .tex file")
 
-        os.chdir(cwd)
+        if cwd is not None:
+            os.chdir(cwd)
 
         output_file = NamedTemporaryFile(prefix='librarian', suffix='.pdf', delete=False)
         pdf_path = os.path.join(temp, 'doc.pdf')