Mercurial > hg > config
annotate python/tree2.py @ 387:0aee0da6b06b
even more success
| author | Jeff Hammel <jhammel@mozilla.com> |
|---|---|
| date | Fri, 26 Jul 2013 16:20:22 -0700 |
| parents | bea5f2fe4ea4 |
| children | 3678770e8c52 |
| rev | line source |
|---|---|
| 382 | 1 #!/usr/bin/env python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
| 4 """ | |
| 5 tree in python | |
| 6 """ | |
| 7 | |
| 8 import optparse | |
| 9 import os | |
| 10 import sys | |
| 11 | |
| 387 | 12 # ASCII delimeters |
| 13 VERTICAL_LINE = '|' | |
| 385 | 14 ITEM = '+' |
| 15 END = '\\' | |
| 387 | 16 |
| 17 # unicode delimiters | |
| 18 VERTICAL_LINE = '│' | |
| 385 | 19 ITEM = '├' |
| 20 END = '└' | |
| 382 | 21 |
| 22 def depth(directory): | |
| 387 | 23 """returns the integer depth of a directory or path relative to '/' """ |
| 24 | |
| 382 | 25 directory = os.path.abspath(directory) |
| 26 level = 0 | |
| 27 while True: | |
| 28 directory, remainder = os.path.split(directory) | |
| 29 level += 1 | |
| 30 if not remainder: | |
| 31 break | |
| 32 return level | |
| 33 | |
| 386 | 34 def tree(directory, sort_key=lambda x: x.lower()): |
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8d1ad56761b0
this still, somehow, eludes my tired brain
Jeff Hammel <jhammel@mozilla.com>
parents:
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diff
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35 |
| 385 | 36 retval = [] |
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8d1ad56761b0
this still, somehow, eludes my tired brain
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parents:
382
diff
changeset
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37 indent = [] |
| 384 | 38 last = {} |
| 386 | 39 top = depth(directory) |
| 40 | |
| 382 | 41 for dirpath, dirnames, filenames in os.walk(directory, topdown=True): |
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383
8d1ad56761b0
this still, somehow, eludes my tired brain
Jeff Hammel <jhammel@mozilla.com>
parents:
382
diff
changeset
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42 |
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8d1ad56761b0
this still, somehow, eludes my tired brain
Jeff Hammel <jhammel@mozilla.com>
parents:
382
diff
changeset
|
43 abspath = os.path.abspath(dirpath) |
| 384 | 44 basename = os.path.basename(abspath) |
| 45 parent = os.path.dirname(abspath) | |
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8d1ad56761b0
this still, somehow, eludes my tired brain
Jeff Hammel <jhammel@mozilla.com>
parents:
382
diff
changeset
|
46 level = depth(abspath) - top |
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8d1ad56761b0
this still, somehow, eludes my tired brain
Jeff Hammel <jhammel@mozilla.com>
parents:
382
diff
changeset
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47 |
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8d1ad56761b0
this still, somehow, eludes my tired brain
Jeff Hammel <jhammel@mozilla.com>
parents:
382
diff
changeset
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48 # sort articles of interest |
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8d1ad56761b0
this still, somehow, eludes my tired brain
Jeff Hammel <jhammel@mozilla.com>
parents:
382
diff
changeset
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49 for resource in (dirnames, filenames): |
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8d1ad56761b0
this still, somehow, eludes my tired brain
Jeff Hammel <jhammel@mozilla.com>
parents:
382
diff
changeset
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50 resource[:] = sorted(resource, key=sort_key) |
| 382 | 51 |
| 385 | 52 files_end = ITEM |
| 53 dirpath_marker = ITEM | |
| 54 | |
| 55 if level > len(indent): | |
| 387 | 56 indent.append(VERTICAL_LINE) |
| 385 | 57 indent = indent[:level] |
| 58 | |
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383
8d1ad56761b0
this still, somehow, eludes my tired brain
Jeff Hammel <jhammel@mozilla.com>
parents:
382
diff
changeset
|
59 if dirnames: |
| 385 | 60 files_end = ITEM |
| 61 last[abspath] = dirnames[-1] | |
| 62 else: | |
| 63 files_end = END | |
| 384 | 64 |
| 385 | 65 if last.get(parent) == os.path.basename(abspath): |
| 66 # last directory of parent | |
| 67 dirpath_mark = END | |
| 68 indent[-1] = ' ' | |
| 69 elif not indent: | |
| 70 dirpath_mark = '' | |
| 71 else: | |
| 72 dirpath_mark = ITEM | |
| 73 | |
| 74 retval.append('%s%s%s'% (''.join(indent[:-1]), dirpath_mark, basename)) | |
| 75 if filenames: | |
| 76 last_file = filenames[-1] | |
| 387 | 77 retval.extend([('%s%s%s' % (''.join(indent), |
| 385 | 78 files_end if filename == last_file else ITEM, |
| 79 filename)) | |
| 80 for index, filename in enumerate(filenames)]) | |
| 81 | |
| 382 | 82 return '\n'.join(retval) |
| 83 | |
| 84 def main(args=sys.argv[1:]): | |
| 85 | |
| 86 usage = '%prog [options]' | |
| 87 parser = optparse.OptionParser(usage=usage, description=__doc__) | |
| 88 options, args = parser.parse_args(args) | |
| 89 if not args: | |
| 90 args = ['.'] | |
| 91 | |
| 92 not_directory = [arg for arg in args | |
| 93 if not os.path.isdir(arg)] | |
| 94 if not_directory: | |
| 95 parser.error("Not a directory: %s" % (', '.join(not_directory))) | |
| 96 | |
| 97 for arg in args: | |
| 98 print (tree(arg)) | |
| 99 | |
| 100 if __name__ == '__main__': | |
| 101 main() |