3 files changed, 223 insertions, 0 deletions
diff --git a/page_manipulation/a5_book.py b/page_manipulation/a5_book.py
new file mode 100755
index 0000000..846ca86
--- /dev/null
+++ b/page_manipulation/a5_book.py
@@ -0,0 +1,71 @@
+#!/usr/bin/env python3
+
+import argparse
+import os.path
+import subprocess
+
+
+SIGNATURE = (
+    15, 0,
+    1, 14,
+    13, 2,
+    3, 12,
+    11, 4,
+    5, 10,
+    9, 6,
+    7, 8
+)
+
+
+def get_parser():
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "--file", '-f',
+        help="Name of the PDF file",
+    )
+    parser.add_argument(
+        "pagespec",
+        help="Page selection. At the moment only '<start>-<end>' is supported"
+    )
+    return parser
+
+
+def main():
+    parser = get_parser()
+    args = parser.parse_args()
+    pspec = args.pagespec.split('-')
+    try:
+        start = int(pspec[0])
+        end = int(pspec[1])
+    except ValueError:
+        parser.print_usage()
+    except IndexError:
+        parser.print_usage()
+
+    pages = [str(i) for i in range(start, end+1)]
+    if len(pages) % 16 != 0:
+        empty = 16 - len(pages) % 16
+        pages = pages + ["{}"] * empty
+
+    rearranged = []
+    while pages:
+        for i in SIGNATURE:
+            rearranged.append(pages[i])
+        pages = pages[16:]
+
+    base, ext = os.path.splitext(args.file)
+    out_fname = base + '-book' + ext
+
+    subprocess.run([
+       'pdfjam',
+       '--nup', '2x1',
+       "--landscape",
+       #'--no-tidy',
+       '-o', out_fname,
+       args.file,
+       ','.join(rearranged)
+    ])
+
+
+if __name__ == "__main__":
+    main()
diff --git a/page_manipulation/a6_book.man.rst b/page_manipulation/a6_book.man.rst
new file mode 100644
index 0000000..ca371cc
--- /dev/null
+++ b/page_manipulation/a6_book.man.rst
@@ -0,0 +1,62 @@
+============
+ a6_book.py
+============
+
+----------------------------------------------------------------
+ Arrange pdf pages to print an a6 book with 16-pages signatures
+----------------------------------------------------------------
+
+:Authors: Elena “of Valhalla” Grandi
+:Date: 2021-10-19
+:Copyright: 2021 Elena Grandi
+:Version: 0.20211019
+:Manual Section: 1
+
+SYNOPSIS
+--------
+
+   a6_book.py [-h] --file FILE pagespec
+
+DESCRIPTION
+-----------
+
+OPTIONS
+-------
+
+pagespec
+  Page selection. At the moment only '<start>-<end>' is supported
+
+-h, --help
+  Show this help message and exit
+--file FILE, -f FILE
+  Name of the PDF file
+
+LICENSE
+-------
+
+Copyright (c) 2021, Elena Grandi
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+* Neither the name of the <organization> nor the
+ names of its contributors may be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
diff --git a/page_manipulation/a6_book.py b/page_manipulation/a6_book.py
new file mode 100755
index 0000000..059a717
--- /dev/null
+++ b/page_manipulation/a6_book.py
@@ -0,0 +1,90 @@
+#!/usr/bin/env python3
+
+import argparse
+import os.path
+import subprocess
+
+
+SIGNATURE = (
+    15, 0, 13, 2,
+    1, 14, 3, 12,
+    11, 4, 9, 6,
+    5, 10, 7, 8,
+)
+
+SIGNATURE_32 = (
+    15, 0, 31, 16,
+    1, 14, 17, 30,
+    13, 2, 29, 18,
+    3, 12, 19, 28,
+    11, 4, 27, 20,
+    5, 10, 21, 26,
+    9, 6, 25, 22,
+    7, 8, 23, 24,
+)
+
+
+def get_parser():
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "--file", '-f',
+        help="Name of the PDF file",
+    )
+    parser.add_argument(
+        "--double", "-d",
+        action="store_true",
+        help="Put two signatures on 4 A4 sheet. Pages should be a "
+        "multiple of 32",
+    )
+    parser.add_argument(
+        "pagespec",
+        help="Page selection. At the moment only '<start>-<end>' is supported"
+    )
+    return parser
+
+
+def main():
+    parser = get_parser()
+    args = parser.parse_args()
+    pspec = args.pagespec.split('-')
+    try:
+        start = int(pspec[0])
+        end = int(pspec[1])
+    except ValueError:
+        parser.print_usage()
+    except IndexError:
+        parser.print_usage()
+
+    if args.double:
+        signature = SIGNATURE_32
+    else:
+        signature = SIGNATURE
+    sig_len = len(signature)
+
+    pages = [str(i) for i in range(start, end+1)]
+    if len(pages) % sig_len != 0:
+        empty = sig_len - len(pages) % sig_len
+        pages = pages + ["{}"] * empty
+
+    rearranged = []
+
+    while pages:
+        for i in signature:
+            rearranged.append(pages[i])
+        pages = pages[sig_len:]
+
+    base, ext = os.path.splitext(args.file)
+    out_fname = base + '-book' + ext
+
+    subprocess.run([
+       'pdfjam',
+       '--nup', '2x2',
+       #'--no-tidy',
+       '-o', out_fname,
+       args.file,
+       ','.join(rearranged)
+    ])
+
+
+if __name__ == "__main__":
+    main()