Address issue #578 (PR #581)

Add try-except block in open() (#578), by @augeos-grosso / @johnhuge

README.md

@@ -438,6 +438,7 @@ Many thanks to the following users who've contributed ideas, features, and fixes
 - [Daniel Peña](https://github.com/trifling)
 - [bobluda](https://github.com/bobluda)
 - [@ramcdona](https://github.com/ramcdona)
+- [johnhuge](https://github.com/johnhuge)
 
 ## Contributing
 

pdfplumber/pdf.py

@@ -7,6 +7,7 @@
 from pdfminer.pdfinterp import PDFResourceManager
 from pdfminer.pdfpage import PDFPage
 from pdfminer.pdfparser import PDFParser
+from pdfminer.psparser import PSException
 
 from .container import Container
 from .page import Page
@@ -52,7 +53,11 @@ def __init__(
     def open(cls, path_or_fp, **kwargs):
         if isinstance(path_or_fp, (str, pathlib.Path)):
             fp = open(path_or_fp, "rb")
-            inst = cls(fp, **kwargs)
+            try:
+                inst = cls(fp, **kwargs)
+            except PSException:
+                fp.close()
+                raise
             inst.close_file = fp.close
             return inst
         else: