1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
import os, time
import collections
from pygit2 import init_repository, Signature
from binascii import b2a_hex
class Fit:
def __init__(self, path):
self.repo = init_repository(path, True)
def _insert_node(self, node_oid, path, root_oid):
""" Inserts a new Node in a Git Tree graph """
if root_oid:
root = self.repo.TreeBuilder(root_oid)
current_node = self.repo[root_oid]
else:
root = self.repo.TreeBuilder()
current_node = self.repo[root.write()]
# entire path
dir_path = path.split(os.sep)[:-1]
# search for existing nodes in path
existing_builders = [(os.sep, root)]
for dir_entry in dir_path:
try:
new_oid = current_node[str(dir_entry)].oid
current_node = self.repo[new_oid]
existing_builders.append((
dir_entry, self.repo.TreeBuilder(current_node)
))
except KeyError:
break
# directories to create
new_path = dir_path[len(existing_builders)-1:]
# inserts blob object
filename = os.path.basename(path)
if len(new_path) > 0:
builder = self.repo.TreeBuilder()
pre = filename
else:
last_dir = existing_builders.pop()
builder = last_dir[1]
pre = last_dir[0]
builder.insert(filename, node_oid, 0100644)
current_tree_oid = builder.write()
# create new nodes bottom-up for our node
if len(new_path) > 0:
pre = new_path.pop(0)
for entry in reversed(new_path):
builder = self.repo.TreeBuilder()
builder.insert(entry, current_tree_oid, 040000)
current_tree_oid = builder.write()
# connect existing nodes with created nodes
for name, builder in reversed(existing_builders):
builder.insert(pre, current_tree_oid, 040000)
current_tree_oid = builder.write()
pre = name
return current_tree_oid
def _get_last_commit(self):
head = self.repo.lookup_reference('HEAD').resolve()
return self.repo[head.oid]
def add_file(self, data, path):
""" Inserts the given file in the git tree and commits the changes """
try:
commit = self._get_last_commit()
parents = [commit.oid]
root = commit.tree.oid
except:
parents = []
root = None
blob_oid = self.repo.create_blob(data)
tree = self._insert_node(blob_oid, path, root)
author = committer = Signature('Fit', 'Fit@fit.de', int(time.time()), 120)
commit = self.repo.create_commit(
'HEAD',
author,
committer,
'added %s' % path,
tree,
parents
)
info_refs_path = os.path.join(self.repo.path, 'info', 'refs')
with open(info_refs_path, 'w') as f:
f.write('%s\trefs/heads/master\n' % b2a_hex(commit).decode('ascii'))
return b2a_hex(blob_oid).decode('ascii')
def get_file(self, oid):
""" Returns the actual data of a git object """
return self.repo[oid].data
def _list(self, path=None):
""" Lists all entries for a given path """
try:
commit = self._get_last_commit()
tree = commit.tree
if path:
for p in path.split('/'):
tree = tree[p].to_object()
return ((x.name, x.hex) for x in tree)
except:
return []
def get_modules(self):
return (x[0] for x in self._list())
def get_module(self, module):
years = self._list(module)
return [(year[0], self._list(os.path.join(module, year[0]))) for year in years]
#fit = Fit('static/fit.git')
#fit.add_file('main.c', 'alp3/2007/main.c')
#fit.add_file('main.c', 'alp3/2008/main.c')
#fit.add_file('main.c', 'alp3/2009/main.c')
#
#print('All modules')
#for name in fit.get_modules():
# print('\t' + name)
#
#print('Module: alp4')
#for (year,items) in fit.get_module('alp4'):
# print('\t' + year)
# for name in items:
# print('\t\t' + name)
#
#for name, oid in fit.list('tags/aws'):
# print(name)
#
#print("All files")
#for name, oid in fit.list_directories():
# print(name)
#tags = ','.join(map(lambda x: x[0], fit.get_file_with_tags(oid)))
#print("* %s (%s)" % (name, tags))
#print(fit.get_file(oid) + "\n")
#
#print("\nAll tags")
#for name, oid in fit.get_all_tags():
# files = ','.join(map(lambda x: x[0], fit.get_files_for_tags([name])))
# print("* %s (%s)" % (name, files))
|