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Viewing changes to patches/ndiff.patch

  • Committer: Martin Pool
  • Date: 2005-09-06 02:26:28 UTC
  • Revision ID: mbp@sourcefrog.net-20050906022628-66d65f0feb4a9e80
- implement version 5 xml storage, and tests

  This stores files identified by the version that introduced the 
  text, and the version that introduced the name.  Entry kinds are
  given by the xml tag not an explicit kind field.

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added added

removed removed

Lines of Context:
patches/ndiff.patch
 
1
*** modified file 'bzrlib/commands.py'
 
2
--- bzrlib/commands.py 
 
3
+++ bzrlib/commands.py 
 
4
@@ -721,10 +721,11 @@
 
5
     """
 
6
     
 
7
     takes_args = ['file*']
 
8
-    takes_options = ['revision', 'diff-options']
 
9
+    takes_options = ['revision', 'diff-options', 'ndiff']
 
10
     aliases = ['di', 'dif']
 
11
 
 
12
-    def run(self, revision=None, file_list=None, diff_options=None):
 
13
+    def run(self, revision=None, file_list=None, diff_options=None,
 
14
+            ndiff=None):
 
15
         from bzrlib.diff import show_diff
 
16
 
 
17
         if file_list:
 
18
@@ -735,9 +736,15 @@
 
19
                 file_list = None
 
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         else:
 
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             b = find_branch('.')
 
22
-    
 
23
+
 
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+        if ndiff:
 
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+            format = 'ndiff'
 
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+        else:
 
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+            format = None
 
28
+
 
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         show_diff(b, revision, specific_files=file_list,
 
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-                  external_diff_options=diff_options)
 
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+                  external_diff_options=diff_options,
 
32
+                  format=format)
 
33
 
 
34
 
 
35
         
 
36
@@ -1344,6 +1351,7 @@
 
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     'format':                 unicode,
 
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     'forward':                None,
 
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     'message':                unicode,
 
40
+    'ndiff':                  None,
 
41
     'no-recurse':             None,
 
42
     'profile':                None,
 
43
     'revision':               _parse_revision_str,
 
44
 
 
45
*** modified file 'bzrlib/diff.py'
 
46
--- bzrlib/diff.py 
 
47
+++ bzrlib/diff.py 
 
48
@@ -70,6 +70,13 @@
 
49
     print >>to_file
 
50
 
 
51
 
 
52
+
 
53
+def internal_ndiff(old_label, oldlines,
 
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+                   new_label, newlines,
 
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+                   to_file):
 
56
+    """Show diff in python-specific ndiff format."""
 
57
+    from difflib import ndiff
 
58
+    to_file.writelines(ndiff(oldlines, newlines))
 
59
 
 
60
 
 
61
 def external_diff(old_label, oldlines, new_label, newlines, to_file,
 
62
@@ -152,7 +159,8 @@
 
63
     
 
64
 
 
65
 
 
66
-def show_diff(b, revision, specific_files, external_diff_options=None):
 
67
+def show_diff(b, revision, specific_files, external_diff_options=None,
 
68
+              format=None):
 
69
     """Shortcut for showing the diff to the working tree.
 
70
 
 
71
     b
 
72
@@ -160,6 +168,9 @@
 
73
 
 
74
     revision
 
75
         None for each, or otherwise the old revision to compare against.
 
76
+
 
77
+    format
 
78
+        'unified', 'context', 'ndiff', 'external'
 
79
     
 
80
     The more general form is show_diff_trees(), where the caller
 
81
     supplies any two trees.
 
82
@@ -174,12 +185,13 @@
 
83
     new_tree = b.working_tree()
 
84
 
 
85
     show_diff_trees(old_tree, new_tree, sys.stdout, specific_files,
 
86
-                    external_diff_options)
 
87
+                    external_diff_options, format)
 
88
 
 
89
 
 
90
 
 
91
 def show_diff_trees(old_tree, new_tree, to_file, specific_files=None,
 
92
-                    external_diff_options=None):
 
93
+                    external_diff_options=None,
 
94
+                    format=None):
 
95
     """Show in text form the changes from one tree to another.
 
96
 
 
97
     to_files
 
98
@@ -204,10 +216,12 @@
 
99
     if external_diff_options:
 
100
         assert isinstance(external_diff_options, basestring)
 
101
         opts = external_diff_options.split()
 
102
-        def diff_file(olab, olines, nlab, nlines, to_file):
 
103
+        def diff_fn(olab, olines, nlab, nlines, to_file):
 
104
             external_diff(olab, olines, nlab, nlines, to_file, opts)
 
105
+    elif format == 'ndiff':
 
106
+        diff_fn = internal_ndiff
 
107
     else:
 
108
-        diff_file = internal_diff
 
109
+        diff_fn = internal_diff
 
110
     
 
111
 
 
112
     delta = compare_trees(old_tree, new_tree, want_unchanged=False,
 
113
@@ -216,7 +230,7 @@
 
114
     for path, file_id, kind in delta.removed:
 
115
         print >>to_file, '*** removed %s %r' % (kind, path)
 
116
         if kind == 'file':
 
117
-            diff_file(old_label + path,
 
118
+            diff_fn(old_label + path,
 
119
                       old_tree.get_file(file_id).readlines(),
 
120
                       DEVNULL, 
 
121
                       [],
 
122
@@ -225,7 +239,7 @@
 
123
     for path, file_id, kind in delta.added:
 
124
         print >>to_file, '*** added %s %r' % (kind, path)
 
125
         if kind == 'file':
 
126
-            diff_file(DEVNULL,
 
127
+            diff_fn(DEVNULL,
 
128
                       [],
 
129
                       new_label + path,
 
130
                       new_tree.get_file(file_id).readlines(),
 
131
@@ -234,7 +248,7 @@
 
132
     for old_path, new_path, file_id, kind, text_modified in delta.renamed:
 
133
         print >>to_file, '*** renamed %s %r => %r' % (kind, old_path, new_path)
 
134
         if text_modified:
 
135
-            diff_file(old_label + old_path,
 
136
+            diff_fn(old_label + old_path,
 
137
                       old_tree.get_file(file_id).readlines(),
 
138
                       new_label + new_path,
 
139
                       new_tree.get_file(file_id).readlines(),
 
140
@@ -243,7 +257,7 @@
 
141
     for path, file_id, kind in delta.modified:
 
142
         print >>to_file, '*** modified %s %r' % (kind, path)
 
143
         if kind == 'file':
 
144
-            diff_file(old_label + path,
 
145
+            diff_fn(old_label + path,
 
146
                       old_tree.get_file(file_id).readlines(),
 
147
                       new_label + path,
 
148
                       new_tree.get_file(file_id).readlines(),
 
149