root/releases/pkgcore-checks/0.3.5/pkgcore_checks/whitespace.py @ ferringb%2540gmail.com-20070207174621-yb3eqrqc6jtmdgse

Revision ferringb%2540gmail.com-20070207174621-yb3eqrqc6jtmdgse, 3.9 KB (checked in by Brian Harring <ferringb@…>, 2 years ago)

kill off to_str, no longer used; use short_desc and long_desc properties instead
Line 
1# Copyright: 2006 Markus Ullmann <jokey@gentoo.org>
2# Copyright: 2006 Marien Zwart <marienz@gentoo.org>
3# License: GPL2
4
5import os
6from pkgcore_checks import base
7
8class base_whitespace(base.Result):
9
10    threshold = base.versioned_feed
11
12    __slots__ = ()
13
14    @property
15    def lines_str(self):
16        if len(self.lines) == 1:
17            return "line %i" % self.lines[0]
18        return "lines %s" % ', '.join(str(x) for x in self.lines)
19
20
21class WhitespaceFound(base_whitespace):
22
23    """leading or trailing whitespaces are found"""
24
25    __slots__ = ("category", "package", "version", "lines", "leadtrail")
26
27    def __init__(self, pkg, leadtrail, lines):
28        base.Result.__init__(self)
29        self._store_cpv(pkg)
30        self.lines = lines
31        self.leadtrail = leadtrail
32
33    @property
34    def short_desc(self):
35        return "ebuild has %s whitespace on %s" % (self.leadtrail,
36            self.lines_str)
37
38
39class WrongIndentFound(base_whitespace):
40
41    """leading or trailing whitespaces are found"""
42
43    __slots__ = ("category", "package", "version", "lines")
44
45    def __init__(self, pkg, lines):
46        base.Result.__init__(self)
47        self._store_cpv(pkg)
48        self.lines = lines
49
50    @property
51    def short_desc(self):
52        return "ebuild has whitespace in indentation on %s" % self.lines_str
53
54
55class DoubleEmptyLine(base_whitespace):
56
57    """unneeded blank lines are found"""
58
59    __slots__ = ("category", "package", "version", "lines")
60
61    def __init__(self, pkg, lines):
62        base.Result.__init__(self)
63        self._store_cpv(pkg)
64        self.lines = lines
65
66    @property
67    def short_desc(self):
68        return "ebuild has unneeded empty %s" % self.lines_str
69
70
71class TrailingEmptyLine(base.Result):
72
73    """unneeded blank lines are found"""
74
75    __slots__ = ("category", "package", "version")
76
77    threshold = base.versioned_feed
78
79    def __init__(self, pkg):
80        base.Result.__init__(self)
81        self._store_cpv(pkg)
82
83    short_desc = "ebuild has trailing blank line(s)"
84
85
86class NoFinalNewline(base.Result):
87
88    """Ebuild's last line does not have a final newline."""
89
90    __slots__ = ("category", "package", "version")
91
92    threshold = base.versioned_feed
93
94    def __init__(self, pkg):
95        base.Result.__init__(self)
96        self._store_cpv(pkg)
97
98    short_desc = "ebuild lacks an ending newline"
99
100
101class WhitespaceCheck(base.Template):
102
103    """checking ebuild for (useless) whitespaces"""
104
105    feed_type = base.ebuild_feed
106    known_results = (WhitespaceFound, WrongIndentFound, DoubleEmptyLine,
107        TrailingEmptyLine, NoFinalNewline)
108
109    def feed(self, entry, reporter):
110        pkg, lines = entry
111        lastlineempty = False
112        trailing = []
113        leading = []
114        indent = []
115        double_empty = []
116       
117        for lineno, line in enumerate(lines):
118            if line != '\n':
119                lastlineempty = False
120                if line[-2:-1] == ' ' or line[-2:-1] == '\t':
121                    trailing.append(lineno + 1)
122                elif line[0] == ' ':
123                    leading.append(lineno + 1)
124                if line.find("\t ") >= 0:
125                    indent.append(lineno + 1)
126            elif lastlineempty:
127                double_empty.append(lineno + 1)
128            else:
129                lastlineempty = True
130        if trailing:
131            reporter.add_report(
132                WhitespaceFound(pkg, "trailing", trailing))
133        if leading:
134            reporter.add_report(
135                WhitespaceFound(pkg, "leading", leading))
136        if indent:
137            reporter.add_report(WrongIndentFound(pkg, indent))
138        if double_empty:
139            reporter.add_report(DoubleEmptyLine(pkg, double_empty))
140        if lastlineempty:
141            reporter.add_report(TrailingEmptyLine(pkg))
142
143        # Dealing with empty ebuilds is just paranoia
144        if lines and not lines[-1].endswith('\n'):
145            reporter.add_report(NoFinalNewline(pkg))
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