re-arrange modules, preparing for python-package-index

2014-12-19 00:28:47 +01:00
parent 54ef179788
commit 871600312c
31 changed files with 37 additions and 332 deletions
--- a/bam/utils/system.py
+++ b/bam/utils/system.py
@@ -0,0 +1,93 @@
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program 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 2
+# of the License, or (at your option) any later version.
+#
+# This program 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 this program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+# ***** END GPL LICENCE BLOCK *****
+
+_USE_COLOR = True
+if _USE_COLOR:
+    color_codes = {
+        'black':        '\033[0;30m',
+        'bright_gray':  '\033[0;37m',
+        'blue':         '\033[0;34m',
+        'white':        '\033[1;37m',
+        'green':        '\033[0;32m',
+        'bright_blue':  '\033[1;34m',
+        'cyan':         '\033[0;36m',
+        'bright_green': '\033[1;32m',
+        'red':          '\033[0;31m',
+        'bright_cyan':  '\033[1;36m',
+        'purple':       '\033[0;35m',
+        'bright_red':   '\033[1;31m',
+        'yellow':       '\033[0;33m',
+        'bright_purple':'\033[1;35m',
+        'dark_gray':    '\033[1;30m',
+        'bright_yellow':'\033[1;33m',
+        'normal':       '\033[0m',
+    }
+
+    def colorize(msg, color=None):
+        return (color_codes[color] + msg + color_codes['normal'])
+else:
+    def colorize(msg, color=None):
+        return msg
+
+
+def uuid_from_file(fn, block_size=1 << 20):
+    """
+    Returns an arbitrary sized unique ASCII string based on the file contents.
+    (exact hashing method may change).
+    """
+    with open(fn, 'rb') as f:
+        # first get the size
+        import os
+        f.seek(0, os.SEEK_END)
+        size = f.tell()
+        f.seek(0, os.SEEK_SET)
+        del os
+        # done!
+
+        import hashlib
+        sha1 = hashlib.new('sha512')
+        while True:
+            data = f.read(block_size)
+            if not data:
+                break
+            sha1.update(data)
+        # skip the '0x'
+        return hex(size)[2:] + sha1.hexdigest()
+
+
+def write_json_to_zip(zip_handle, path, data=None):
+    import json
+    zip_handle.writestr(
+            path,
+            json.dumps(
+                data,
+                check_circular=False,
+                # optional (pretty)
+                sort_keys=True, indent=4, separators=(',', ': '),
+                ).encode('utf-8'))
+
+
+def write_json_to_file(path, data):
+    import json
+    with open(path, 'w') as file_handle:
+        json.dump(
+                data, file_handle, ensure_ascii=False,
+                check_circular=False,
+                # optional (pretty)
+                sort_keys=True, indent=4, separators=(',', ': '),
+                )