comparison utils.py @ 0:7000422fbaff draft

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author greg
date Thu, 08 Jun 2017 12:51:58 -0400
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children a7867769a706
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-1:000000000000 0:7000422fbaff
1 import os
2 import shutil
3 import subprocess
4 import sys
5
6 FSTDERR = 'stderr.txt'
7 FSTDOUT = 'stdout.txt'
8
9
10 def check_execution_errors(rc, fstderr, fstdout):
11 if rc != 0:
12 fh = open(fstdout, 'rb')
13 out_msg = fh.read()
14 fh.close()
15 fh = open(fstderr, 'rb')
16 err_msg = fh.read()
17 fh.close()
18 msg = '%s\n%s\n' % (str(out_msg), str(err_msg))
19 stop_err(msg)
20
21
22 def get_response_buffers():
23 fstderr = os.path.join(os.getcwd(), FSTDERR)
24 fherr = open(fstderr, 'wb')
25 fstdout = os.path.join(os.getcwd(), FSTDOUT)
26 fhout = open(fstdout, 'wb')
27 return fstderr, fherr, fstdout, fhout
28
29
30 def move_directory_files(source_dir, destination_dir, copy=False):
31 source_directory = os.path.abspath(source_dir)
32 destination_directory = os.path.abspath(destination_dir)
33 if not os.path.isdir(destination_directory):
34 os.makedirs(destination_directory)
35 for dir_entry in os.listdir(source_directory):
36 source_entry = os.path.join(source_directory, dir_entry)
37 if copy:
38 shutil.copy(source_entry, destination_directory)
39 else:
40 shutil.move(source_entry, destination_directory)
41
42
43 def run_command(cmd):
44 fstderr, fherr, fstdout, fhout = get_response_buffers()
45 proc = subprocess.Popen(args=cmd, stderr=fherr, stdout=fhout, shell=True)
46 rc = proc.wait()
47 # Check results.
48 fherr.close()
49 fhout.close()
50 check_execution_errors(rc, fstderr, fstdout)
51
52
53 def stop_err(msg):
54 sys.exit(msg)
55
56
57 def write_html_output(output, title, dir):
58 with open(output, 'w') as fh:
59 dir_items = sorted(os.listdir(dir))
60 # Directories can only contain either files or directories,
61 # but not both.
62 if len(dir_items) > 0:
63 item_path = os.path.join(dir, dir_items[0])
64 if os.path.isdir(item_path):
65 header = 'Directories'
66 else:
67 header = 'Datasets'
68 else:
69 header = ''
70 fh.write('<html><head><h3>%s: %d items</h3></head>\n' % (title, len(dir_items)))
71 fh.write('<body><p/><table cellpadding="2">\n')
72 fh.write('<tr><b>%s</th></b>\n' % header)
73 for index, fname in enumerate(dir_items):
74 if index % 2 == 0:
75 bgcolor = '#D8D8D8'
76 else:
77 bgcolor = '#FFFFFF'
78 link = '<a href="%s" type="text/plain">%s</a>\n' % (fname, fname)
79 fh.write('<tr bgcolor="%s"><td>%s</td></tr>\n' % (bgcolor, link))
80 fh.write('</table></body></html>\n')