renamed: utils/file.py -> file.py, tests/utils_file.py -> tests/test_file.py

utils/ directory deleted now.

1 files changed, 84 insertions, 0 deletions

diff --git a/combox/file.py b/combox/file.py
new file mode 100644
index 0000000..bb27592
--- /dev/null
+++ b/combox/file.py
@@ -0,0 +1,84 @@
+#    Copyright (C) 2014 Combox author(s). See AUTHORS.
+#
+#    This file is part of Combox.
+#
+#   Combox is free software: you can redistribute it and/or modify it
+#   under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   Combox is distributed in the hope that it will be useful, but
+#   WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#   General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with Combox (see COPYING).  If not, see
+#   <http://www.gnu.org/licenses/>.
+
+from os import path
+from sys import exit
+
+
+def split_file(filename, n):
+    """Split the file into `n' parts and return them as an array.
+
+    filename: Absolute pathname of the file.
+    n: Number of parts the file has to be split.
+    """
+
+    file_ = None
+    try:
+      file_   = open(filename, 'rb')
+    except IOError:
+        print "ERROR: opening %s" % (filename)
+        exit(1)
+
+    f_parts = []
+    # File size in bytes.
+    file_size = path.getsize(filename)
+    # No. of bytes for each file part.
+    part_size =  file_size / n
+    # Take note of remaining bytes; this is non-zero when file_size is
+    # not divisible by `n'.
+    rem_bytes = file_size % n
+
+    i = 0
+    while i < n:
+        f_parts.append(file_.read(part_size))
+        i += 1
+
+    # read the remaining bytes into the last file part.
+    f_parts[n-1] += file_.read(rem_bytes)
+
+    return f_parts
+
+
+def glue_file(f_parts):
+    """Glue different parts of the file to one.
+
+    f_parts: Array containing different parts of the file. Each part
+    is a sequence of bytes.
+    """
+
+    file_content = ''
+    for part in f_parts:
+        file_content += part
+
+    return file_content
+
+
+def write_file(filename, filecontent):
+    """Write `filecontent' to `filename'.
+
+    filename: Absolute pathname of the file.
+    filecontent: String/bytstream to write to filename.
+    """
+
+    file_ = None
+    try:
+      file_   = open(filename, 'wb')
+      file_.write(filecontent)
+    except IOError:
+        print "ERROR: creating and writing content to %s" % (filename)
+        exit(1)