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151eb0537751c32ce5d5144e38607f14f30fb40c
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30 Commits
Author SHA1 Message Date
Jim Barlow 151eb05377 For now, unpaper is the only deskew provider 2015-07-25 01:46:16 -07:00
Jim Barlow 16177d0a52 Remove ability to override temporary (working) folder 
Little point to this feature - on most platforms the environment
variable can be overridden if desired to set a new root location.

At the same time, this change removes the ability to resume a partially
executed pipeline by deleting all of the results on failure.  If -k is
provided then the temporary files will survive but there's no way to
resume from them.  Because resuming doesn't really work away and would
only be useful to users experiencing very specific problems, this is
probably not worth it, so no major loss.  The intent of -k is to assist
debugging.
 2015-07-25 01:45:26 -07:00
Jim Barlow 5ce544289f Automatically try to use all available CPUs 2015-07-25 01:10:14 -07:00
Jim Barlow 60eb745331 Split selecting final image and render PDF result into separate tasks 
Simplifies the logic - one deals with all images, the other details
with an image and .hocr. Also add JPEG reconversion.
 2015-07-25 00:54:00 -07:00
Jim Barlow 9f90b5cb0a Modularize unpaper; get -d and -c working again 2015-07-25 00:22:56 -07:00
Jim Barlow 5adff94545 Remove more dead/old code 2015-07-24 15:41:24 -07:00
Jim Barlow aa2baabfa9 Implement deskew and clean using unpaper 2015-07-24 15:19:37 -07:00
Jim Barlow 6451017962 Implement oversample 2015-07-24 01:56:44 -07:00
Jim Barlow 0f857a6a34 Put .rendered.pdf files into temp folder 2015-07-24 01:56:19 -07:00
Jim Barlow 7638a88a6a Change 'clean' to 'repair' for clarity since 'clean' is what unpaper does 2015-07-24 01:55:54 -07:00
Jim Barlow bed12d2021 Remove 'pdftoppm' renderer 
Ghostscript is more reliable than Poppler's pdftoppm renderer. gs is
also a hard dependency, as the only open source tool that can produce
a PDF/A file, while Poppler could be removed.  pdftoppm has awkward
syntax with some special handling needed for different versions.  I have
found isolated rendering bugs with pdftoppm as well.

With that, I'm removing supporting for multiple rasterizers.

A minor advantage of pdftoppm is that its code produced JPEGs where
possible, but this can be achieved with gs.
 2015-07-24 01:35:33 -07:00
Jim Barlow 587569fcb6 Tidy up 2015-07-24 01:27:01 -07:00
Jim Barlow 8c0dc9a06d Platform independent search for iccprofiles for PDF/A 2015-07-24 01:18:46 -07:00
Jim Barlow 289e4025ad First successful PDF/A produced by new pipeline 2015-07-23 23:28:32 -07:00
Jim Barlow 5476eafe4c Rasterize PDF pages and generate .hocr files 2015-07-23 23:09:29 -07:00
Jim Barlow df32f283cd Langauge checking 2015-07-23 18:38:59 -07:00
Jim Barlow 68ecaac9cc Add tesseract version check 2015-07-23 17:06:00 -07:00
Jim Barlow cffd4623ca Add PDF/A validation 2015-07-23 17:05:34 -07:00
Jim Barlow 6dc2782e80 Can now generate PDF/A files, multipage and single page 2015-07-23 04:57:31 -07:00
Jim Barlow 5df187c086 Wrap a proxy around pdfinfo block so it can be passed around processes 2015-07-23 03:49:30 -07:00
Jim Barlow 7fd172e41e Get rid of chdir, replace deprecated @split with @subdivide 2015-07-23 03:09:03 -07:00
Jim Barlow 619528a1b5 Try a method for passing along the pdfinfo struct 2015-07-23 02:39:42 -07:00
Jim Barlow 596d468c14 Reinstate WrapperLogger with more multiprocessing fixes 2015-07-23 02:26:09 -07:00
Jim Barlow eddbf1060a diff --git a/src/ocrmypdf.py b/src/ocrmypdf.py 
index 68d1591..95afa8f 100755
--- a/src/ocrmypdf.py
+++ b/src/ocrmypdf.py
@@ -24,6 +24,7 @@ import ruffus.cmdline as cmdline
 from .hocrtransform import HocrTransform

 import warnings
+import multiprocessing

 warnings.simplefilter('ignore', pypdf.utils.PdfReadWarning)

@@ -96,7 +97,7 @@ debugging.add_argument(
     '-k', '--keep-temporary-files', action='store_true',
     help="keep temporary files (helpful for debugging)")
 debugging.add_argument(
-    '-g' ,'--debug-rendering', action='store_true',
+    '-g', '--debug-rendering', action='store_true',
     help="render each page twice with debug information on second page")

@@ -106,51 +107,19 @@ if not options.temp_folder:
     options.temp_folder = 'tmp'

-_logger, _logger_mutex = cmdline.setup_logging(__name__, options.log_file,
-                                               options.verbose)
+log, log_mutex = cmdline.setup_logging(__name__, options.log_file,
+                                       options.verbose)

-class WrappedLogger:
-
-    def __init__(self, my_logger, my_mutex):
-        self.logger = my_logger
-        self.mutex = my_mutex
-
-    def log(self, *args, **kwargs):
-        with self.mutex:
-            self.logger.log(*args, **kwargs)
-
-    def debug(self, *args, **kwargs):
-        with self.mutex:
-            self.logger.debug(*args, **kwargs)
-
-    def info(self, *args, **kwargs):
-        with self.mutex:
-            self.logger.info(*args, **kwargs)
-
-    def warning(self, *args, **kwargs):
-        with self.mutex:
-            self.logger.warning(*args, **kwargs)
-
-    def error(self, *args, **kwargs):
-        with self.mutex:
-            self.logger.error(*args, **kwargs)
-
-    def critical(self, *args, **kwargs):
-        with self.mutex:
-            self.logger.critical(*args, **kwargs)
-
-log = WrappedLogger(_logger, _logger_mutex)
-
-
-def re_symlink(input_file, soft_link_name, log=log):
+def re_symlink(input_file, soft_link_name, log, mutex):
     """
     Helper function: relinks soft symbolic link if necessary
     """
     if input_file == soft_link_name:
-        log.debug("Warning: No symbolic link made. You are using " +
-                     "the original data directory as the working directory.")
+        with mutex:
+            log.debug("Warning: No symbolic link made. You are using " +
+                      "the original data directory as the working directory.")
         return

@@ -161,12 +130,14 @@ def re_symlink(input_file, soft_link_name, log=log):
         try:
             os.unlink(soft_link_name)
         except:
-            log.debug("Can't unlink %s" % (soft_link_name))
+            with mutex:
+                log.debug("Can't unlink %s" % (soft_link_name))

     if not os.path.exists(input_file):
         raise Exception("trying to create a broken symlink to %s" % input_file)

-    log.debug("os.symlink(%s, %s)" % (input_file, soft_link_name))
+    with mutex:
+        log.debug("os.symlink(%s, %s)" % (input_file, soft_link_name))

     os.symlink(
 2015-07-23 02:22:12 -07:00
Jim Barlow 33731a6864 Move pageinfo code out of the pipeline 2015-07-23 02:17:13 -07:00
Jim Barlow 0c36cd2e24 Fix errors related to use working directory 
Mainly workaround lack of @split(...output_dir) in ruffus
 2015-07-23 01:16:05 -07:00
Jim Barlow 5cef1be26d New pipeline runs, splits pages 2015-07-22 22:58:13 -07:00
Jim Barlow e89f482c3d Fixes from early testing of new pipeline 2015-07-22 22:51:38 -07:00
Jim Barlow fe3e40305d Learn to split PDF into pages 2015-07-22 22:46:00 -07:00
Jim Barlow a92b5ceb6b Begin unifying main script and page script 2015-07-22 22:30:00 -07:00