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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
"""contains only the Pb class which is used by the Pb.* modules for inheritance"""
import re
from config import WORKING_DIR, BIN_CONVERT, BIN_IDENTIFY,\
DEFAULT_HEIGHT, DEFAULT_WIDTH
import time
import urllib, urllib2
import sys, os
import random
from subprocess import Popen, PIPE, call
from params import Params
import sha
import simplejson as json
from s3cli import S3Cli
from db import Db
BASE_URL = "http://i.asdf.us"
_MAX_FILENAME_LENGTH = 20
class PbProcessError(Exception):
pass
class Pb(object):
"""Default Pb class. USED ONLY FOR INHERITANCE"""
def __init__(self, **kwargs):
self._input_kwargs = kwargs
self._now = str(int(time.time()))
self.params = Params(classname=self.__class__.__name__, now=self._now)
self._files_created = []
self.commands = []
self._working_dir = WORKING_DIR
self.tag = self.__class__.__name__
self._hashdir = None
self._db_url_param = None
#FIXME move to separate class
self.file_size = None
self.width = None
self.height = None
self.filename = None
self.filepath = None
self.file_height = None
self.file_width = None
def _filename_create(self, url=None, namepart="", extension=""):
if url:
_basename = os.path.basename(url)
namepart = re.split(r'\.', _basename)[0]
namepart = self._url_sanitize(namepart)[0:_MAX_FILENAME_LENGTH]
name = ""
if namepart: name += "%s-" % namepart
name += "%s_%s" % (self.__class__.__name__, self._now)
if self.params.username: name += "_%s" % self.params.username
if extension: name += ".%s" % extension
return name
def _filepath_create(self, filename, directory=WORKING_DIR):
return os.path.join(directory, filename)
def _filename_filepath_create(self, url=None, namepart="", directory=WORKING_DIR, extension=""):
_filename = self._filename_create(url=url, namepart=namepart, extension=extension)
_filepath = self._filepath_create(_filename, directory=directory)
return _filename, _filepath
def _tempfilepath_create(self, namepart="temp", directory=WORKING_DIR, extension=""):
_filename = self._filename_create(namepart=namepart, extension=extension)
return self._filepath_create(_filename, directory=directory)
def _hashdir_create(self):
self._hashdir = sha.new(self.filename).hexdigest()[:2]
def _url_sanitize(self, s):
return re.sub(r'\W+', '', s)
def _call_cmd(self, cmd):
try:
cmd = map(lambda i: str(i), cmd)
call(cmd)
self.commands.append(" ".join(cmd))
except Exception:
raise Exception("Unable to call cmd {}".format(str(cmd)))
def _dimensions(self, filepath):
try:
ident = (Popen([BIN_IDENTIFY, filepath], stdout=PIPE).communicate()[0]).split(" ")
return ident[2].split("x")
except Exception as e:
self.err_warn("Unable to get file dimensions:\n")
self.err_ward(str(e))
def _file_dimensions(self):
self.file_width, self.file_height = self._dimensions(self.filepath)
def _width_and_height_set(self, filepath=None, width=DEFAULT_WIDTH, height=DEFAULT_HEIGHT):
if filepath:
self.width, self.height = self._dimensions(filepath)
return
self.width = width
self.height = height
def _file_size_get(self):
try:
self.file_size = os.stat(self.filepath)[6]
except Exception as e:
self.err_warn("Couldn't determine filesize of %s\n" % self.filepath)
self.err_warn(str(e))
def _file_read(self, filepath):
f = open(filepath, 'r')
data = f.read()
f.close()
return data
def err_warn(self, s):
sys.stderr.write("ERROR:{} - {}\n".format(self.__class__.__name__, s))
raise PbProcessError
def _cleanup(self):
if not self._files_created: return
map(lambda n: os.remove(n), self._files_created)
def _file_clean_local(self):
os.remove(self.filepath)
def err_fatal(self, s):
sys.stderr.write("ERROR[FATAL]:%s - %s\n" % (self.__class__.__name__, s))
sys.exit(1)
@classmethod
def example_run(cls, params=None, verbose=True):
example_params = params or cls.example_params
if not example_params:
raise AttributeError("Must supply test params to test %s" % cls.__name__)
b = cls(**example_params)
b.create()
if verbose:
sys.stderr.write("generated %s\n" % b.filepath)
sys.stderr.write("files created %s\n" % b._files_created)
sys.stderr.write("commands:\n %s\n" % ";\n ".join(b.commands))
return b
@staticmethod
def gif_frames(filepath):
try:
info = Popen([BIN_IDENTIFY, filepath], stdout=PIPE).communicate()[0]
frames = filter((lambda x: x), map(
(lambda x: x.split(" ")[0]),
(info).split('\n')
))
return frames
except Exception as e:
self.err_warn("couldn't get gif frames")
raise e
def _choose_gif_frame(self, filepath):
_gif_frames = Pb.gif_frames(filepath)
frame = random.choice(_gif_frames)
self._call_cmd([BIN_CONVERT, frame, filepath])
def db_send(self, remote_addr=None, db_connection=None):
try:
db = db_connection or Db()
except Exception as e:
sys.stderr.write("Could not connect to db:\n{}".format(e))
sys.exit(1)
try:
_insert_data = {
'date' : self._now,
'remote_addr' : remote_addr,
'username' : str(self.params.username),
'url' : self._db_url_param,
'directory' : self._hashdir,
'oldfile' : None,
'newfile' : self.filename,
'dataobj' : json.dumps(dict(self._input_kwargs)),
'cmd' : "; ".join(self.commands),
'tag' : self.tag,
}
db.insert_cmd(**_insert_data)
except Exception as e:
self.err_warn("Problem sending to database:\n %s" % str(e))
def file_s3move(self):
self._hashdir_create()
s3cli = S3Cli()
s3cli.s3move(self.filepath, "im/{}/{}".format(self._hashdir, self.filename))
self._file_clean_local()
def file_dict(self):
return {
'url' : "%s/im/%s/%s" % (BASE_URL, self._hashdir, self.filename),
'size' : self.file_size,
'width' : "%spx" % self.file_width,
'height' : "%spx" % self.file_height,
}
def create(self):
#base methods FIXME move into File class
self._file_dimensions()
self._file_size_get()
self._cleanup()
|
