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scripts: Re-adopted result prefixes
Now that I'm looking into some higher-level scripts, being able to merge results without first renaming everything is useful. This gives most scripts an implicit prefix for field fields, but _not_ by fields, allowing easy merging of results from different scripts: $ ./scripts/stack.py lfs.ci -o- function,stack_frame,stack_limit lfs_alloc,288,1328 lfs_alloc_discard,8,8 lfs_alloc_findfree,16,32 ... At least now these have better support in scripts with the addition of the --prefix flag (this was tricky for csv.py), which allows explicit control over field field prefixes: $ ./scripts/stack.py lfs.ci -o- --prefix= function,frame,limit lfs_alloc,288,1328 lfs_alloc_discard,8,8 lfs_alloc_findfree,16,32 ... $ ./scripts/stack.py lfs.ci -o- --prefix=wonky_ function,wonky_frame,wonky_limit lfs_alloc,288,1328 lfs_alloc_discard,8,8 lfs_alloc_findfree,16,32 ...
This commit is contained in:
Christopher Haster
@@ -139,6 +139,7 @@ class RInt(co.namedtuple('RInt', 'x')):
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class CodeResult(co.namedtuple('CodeResult', [
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'file', 'function',
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'size'])):
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_prefix = 'code'
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_by = ['file', 'function']
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_fields = ['size']
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_sort = ['size']
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@@ -871,7 +872,18 @@ def table(Result, results, diff_results=None, *,
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def read_csv(path, Result, *,
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depth=1,
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prefix=None,
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**_):
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# prefix? this only applies to field fields
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if prefix is None:
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if hasattr(Result, '_prefix'):
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prefix = '%s_' % Result._prefix
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else:
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prefix = ''
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by = Result._by
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fields = Result._fields
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with openio(path, 'r') as f:
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# csv or json? assume json starts with [
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json = (f.buffer.peek(1)[:1] == b'[')
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@@ -881,16 +893,18 @@ def read_csv(path, Result, *,
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results = []
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reader = csv.DictReader(f, restval='')
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for r in reader:
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if not any(k in r and r[k].strip()
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for k in Result._fields):
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if not any(prefix+k in r and r[prefix+k].strip()
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for k in fields):
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continue
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try:
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# note this allows by/fields to overlap
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results.append(Result(**(
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{k: r[k] for k in Result._by
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if k in r and r[k].strip()}
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| {k: r[k] for k in Result._fields
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if k in r and r[k].strip()})))
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{k: r[k] for k in by
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if k in r
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and r[k].strip()}
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| {k: r[prefix+k] for k in fields
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if prefix+k in r
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and r[prefix+k].strip()})))
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except TypeError:
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pass
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return results
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@@ -901,16 +915,18 @@ def read_csv(path, Result, *,
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def unjsonify(results, depth_):
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results_ = []
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for r in results:
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if not any(k in r and r[k].strip()
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for k in Result._fields):
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if not any(prefix+k in r and r[prefix+k].strip()
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for k in fields):
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continue
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try:
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# note this allows by/fields to overlap
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results_.append(Result(**(
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{k: r[k] for k in Result._by
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if k in r and r[k] is not None}
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| {k: r[k] for k in Result._fields
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if k in r and r[k] is not None}
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{k: r[k] for k in by
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if k in r
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and r[k] is not None}
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| {k: r[prefix+k] for k in fields
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if prefix+k in r
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and r[prefix+k] is not None}
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| ({Result._children: unjsonify(
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r[Result._children],
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depth_-1)}
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@@ -934,30 +950,36 @@ def write_csv(path, Result, results, *,
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by=None,
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fields=None,
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depth=1,
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prefix=None,
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**_):
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# prefix? this only applies to field fields
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if prefix is None:
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if hasattr(Result, '_prefix'):
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prefix = '%s_' % Result._prefix
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else:
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prefix = ''
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if by is None:
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by = Result._by
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if fields is None:
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fields = Result._fields
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with openio(path, 'w') as f:
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# write csv?
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if not json:
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writer = csv.DictWriter(f, list(co.OrderedDict.fromkeys(it.chain(
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by
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if by is not None
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else Result._by,
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fields
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if fields is not None
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else Result._fields)).keys()))
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writer = csv.DictWriter(f, list(
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co.OrderedDict.fromkeys(it.chain(
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by,
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(prefix+k for k in fields))).keys()))
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writer.writeheader()
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for r in results:
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# note this allows by/fields to overlap
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writer.writerow(
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{k: getattr(r, k)
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for k in (by
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if by is not None
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else Result._by)
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for k in by
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if getattr(r, k) is not None}
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| {k: str(getattr(r, k))
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for k in (fields
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if fields is not None
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else Result._fields)
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| {prefix+k: str(getattr(r, k))
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for k in fields
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if getattr(r, k) is not None})
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# write json?
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@@ -970,14 +992,10 @@ def write_csv(path, Result, results, *,
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# note this allows by/fields to overlap
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results_.append(
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{k: getattr(r, k)
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for k in (by
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if by is not None
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else Result._by)
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for k in by
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if getattr(r, k) is not None}
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| {k: str(getattr(r, k))
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for k in (fields
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if fields is not None
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else Result._fields)
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| {prefix+k: str(getattr(r, k))
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for k in fields
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if getattr(r, k) is not None}
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| ({Result._children: jsonify(
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getattr(r, Result._children),
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@@ -1162,6 +1180,10 @@ if __name__ == "__main__":
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'-Y', '--summary',
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action='store_true',
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help="Only show the total.")
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parser.add_argument(
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'--prefix',
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help="Prefix to use for fields in CSV/JSON output. Defaults "
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"to %r." % ("%s_" % CodeResult._prefix))
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parser.add_argument(
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'--everything',
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action='store_true',
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