def set_graph_content(self, graph_file, image=None):
if image is None:
try:
image = GraphViewer.get_image(graph_file)
except IOError as e:
error(str(e))
assert False
self.__root.geometry(self.__full_geom if self.__fullscreen_mode else
'%dx%d+0+0' % (image.size[0], image.size[1]))
if self.__fullscreen_mode:
resize_width, resize_height, x_pos, y_pos = self.get_adjusted_geom(image.size[0], image.size[1])
try:
resized = image.resize((resize_width, resize_height), Image.ANTIALIAS)
except IOError as e:
# 'incomplete downloaded image' may go here
info(get_msg(Msg.fail_to_convert_image_to_fullscreen), str(e))
GraphFetcher().handle_image(graph_file, DISCARD)
return False
image = resized
self.__root.title(self.__cur_image_obj.group_name)
tk_image_obj = ImageTk.PhotoImage(image)
self.__tk_obj_ref = tk_image_obj
self.__canvas.delete('all')
self.__canvas.create_image(x_pos if self.__fullscreen_mode else 0, y_pos if self.__fullscreen_mode else 0,
image=tk_image_obj, anchor=Tkinter.NW)
self.show_onscreen_help()
self.show_onscreen_info()
self.show_onscreen_phrase()
return True
def save(pickle_file, value):
pickle_fd = open(pickle_file, "w")
try:
cPickle.dump(value, pickle_fd)
except AttributeError as msg:
error("fail to write cache %s" % str(msg))
pickle_fd.close()
def save(pickle_file, value):
pickle_fd = open(pickle_file, "w")
try:
cPickle.dump(value, pickle_fd)
except AttributeError as msg:
error(get_msg(Msg.fail_to_write_cache), str(msg))
pickle_fd.close()
def set_graph_content(self, graph_file, image=None):
if image is None:
try:
image = GraphViewer.get_image(graph_file)
except IOError as e:
error("[view] %s" % str(e))
assert False
self.__root.geometry(
self.__full_geom if self.__fullscreen_mode else '%dx%d+0+0' %
(image.size[0], image.size[1]))
if self.__fullscreen_mode:
resize_width, resize_height, x_pos, y_pos = self.get_adjusted_geom(
image.size[0], image.size[1])
try:
resized = image.resize((resize_width, resize_height),
Image.ANTIALIAS)
except IOError as e:
# 'incomplete downloaded image' may go here
info("fail to convert image to fullscreen: %s" % str(e))
GraphFetcher().handle_image(graph_file, DISCARD)
return False
image = resized
self.__root.title(self.__cur_image_obj.group_name)
tk_image_obj = ImageTk.PhotoImage(image)
self.__tk_obj_ref = tk_image_obj
self.__canvas.delete('all')
self.__canvas.create_image(x_pos if self.__fullscreen_mode else 0,
y_pos if self.__fullscreen_mode else 0,
image=tk_image_obj,
anchor=Tkinter.NW)
self.show_onscreen_help()
self.show_onscreen_info()
self.show_onscreen_phrase()
return True
def __init__(self, in_file):
self.__fd = open(in_file)
try:
self.__json_data = json.load(self.__fd)
except Exception, e:
error(get_msg(Msg.fail_read_file) + "\"", in_file, "\"")
error(str(e))
assert False
def get_cache_file(pattern):
if not os.path.exists(pickle_home()):
try:
mkdir_p(pickle_home())
except OSError as e:
error("[fetch] cannot create program directory, program exits:")
error(str(e))
sys.exit()
return pickle_home() + str(pattern) + ".pickle"
def __init__(self, in_file):
self.__fd = open(in_file)
try:
self.__json_data = json.load(self.__fd)
except ValueError as e:
error("[json] json syntax error \"%s\"" % in_file)
error(str(e))
import sys
sys.exit()
def __init__(self, data, root="", is_exclude=False):
self.is_exclude = is_exclude
if not type(data) in [str, dict]:
error("[config] entry 'src' shall contain 'str' or 'dict' value instead of %s, program exit..."
% type(data))
sys.exit()
simple_spec = type(data) is str
self.root = data[ROOT_KEY] if not simple_spec and ROOT_KEY in data else root
assert type(self.root) is str
# file: specify files by give accurate filename/dirname
file_or_dir = data if simple_spec else data[FILE_KEY] if FILE_KEY in data else None
assert not file_or_dir or type(file_or_dir) in [str, list]
self.file_or_dir = file_or_dir if not file_or_dir or type(file_or_dir) is list else [file_or_dir]
# ext: specify files by extension name
ext = data[EXT_KEY] if not simple_spec and EXT_KEY in data else None
assert not ext or type(ext) in [str, list]
self.ext = ext if not ext or type(ext) is list else [ext]
# re: specify files by regular expression matching
re_data = data[RE_KEY] if not simple_spec and RE_KEY in data else None
assert not re_data or type(re_data) in [str, list]
self.re = re_data if not re_data or type(re_data) is list else [re_data]
# dyn: specify files by re + custom code snippets
dynamic = data[DYNAMIC_KEY] if not simple_spec and DYNAMIC_KEY in data else None
assert not dynamic or type(dynamic) is list
# dynamic shall be either a dyn-item(re-str, import-str, eval-str) list, or a list of dyn-items
assert not dynamic or 0 == len(dynamic) or \
(type(dynamic[0]) is list or (type(dynamic[0]) is str and len(dynamic) == 3))
self.dynamic = dynamic if not dynamic or type(dynamic[0]) is list else [dynamic]
assert self.file_or_dir or self.ext or self.re or self.dynamic
if "" == self.root and self.file_or_dir and len(self.file_or_dir) == 1:
dirname, basename = os.path.split(self.file_or_dir[0])
self.root = dirname
if len(basename):
self.file_or_dir = [basename]
else:
self.file_or_dir = None
self.re = [".*"]
if "" is not self.root and not self.is_exclude:
debug("root: %s" % self.root)
self.show_sources()
if len(self.root) > 0 and self.root[-1] != DIR_DELIM:
self.root += DIR_DELIM
# exclude: sources that need not backup (kept by a child 'Source' instance)
assert not self.is_exclude or EXCLUDE_KEY not in data # nested 'exclude' entry is not supported
self.exclude = Source(data[EXCLUDE_KEY], self.root, True) if EXCLUDE_KEY in data else None
def timer_action(self, user_next_image=False):
if not user_next_image and self.__pause_slideshow:
self.prepare_for_next_view(get_slideshow_rate() * 1000)
return
success = self.set_graph(self.select_pattern())
if not success:
self.prepare_for_next_view(1, "try fetch image again")
if GraphViewer.CURR_FAIL_COUNT >= GraphViewer.FAIL_COUNT_TO_EXIT:
error("[view] fail to fetch more images, program exits")
sys.exit()
GraphViewer.CURR_FAIL_COUNT += 1
return
GraphViewer.CURR_FAIL_COUNT = 0
self.prepare_for_next_view(get_slideshow_rate() * 1000)
def load(pickle_file):
"""output: is_exist, value"""
try:
pickle_fd = open(pickle_file, "r")
except IOError as err:
if errno.ENOENT == err.errno:
show(get_msg(Msg.cache_file_does_not_exist), pickle_file)
return False, None
assert False
try:
value = cPickle.load(pickle_fd)
return True, value
except (ValueError, UnpicklingError, EOFError):
error(get_msg(Msg.cannot_read_pickle_file), pickle_file, get_msg(Msg.suggest_re_fetch_pickle_file))
assert False
def load(pickle_file):
"""output: is_exist, value"""
try:
pickle_fd = open(pickle_file, "r")
except IOError as err:
if errno.ENOENT == err.errno:
debug("cache file does not exist: %s" % pickle_file)
return False, None
assert False
try:
value = cPickle.load(pickle_fd)
return True, value
except (ValueError, UnpicklingError, EOFError):
error("cannot read pickle file: %s, suggest re-fetch the pickle file" %
pickle_file)
assert False
def get_graph_file(self, pattern, url, cached_encoding):
"""output: graph_file, encoding"""
if NA == cached_encoding: # mean this url is not retrievable
return NA, NA
file_encoding = cached_encoding
if not file_encoding:
file_encoding = GraphFetcher.get_file_encoding(pattern)
graph_dir = GraphFetcher.get_graph_dir(pattern)
if not os.path.exists(graph_dir):
try:
os.makedirs(graph_dir)
except OSError as e:
error(get_msg(Msg.cannot_create_directory), str(e))
import sys
sys.exit()
abs_graph_file = graph_dir + "image_" + file_encoding + ".jpg"
if os.path.exists(abs_graph_file):
return abs_graph_file, file_encoding
if not self.__network_reachable:
info(get_msg(Msg.give_up_fetch_image))
return NA, None
self.__has_write = True
try:
info(get_msg(Msg.fetch_image), url)
try:
web_content = urllib2.urlopen(url, timeout=10)
except httplib.BadStatusLine:
info(get_msg(Msg.obtain_unrecognized_status_code), url)
return NA, NA
fd = open(abs_graph_file, 'wb')
fd.write(web_content.read())
fd.close()
assert os.path.exists(abs_graph_file)
if os.stat(abs_graph_file).st_size <= 10240:
info(get_msg(Msg.give_up_acquired_image_with_size), os.stat(abs_graph_file).st_size, "Bytes")
info(get_msg(Msg.remove_image), abs_graph_file)
os.remove(abs_graph_file)
return NA, NA
info(get_msg(Msg.fetch_succeed))
return abs_graph_file, file_encoding
except (IOError, httplib.IncompleteRead, ssl.CertificateError) as e:
info(get_msg(Msg.failed_url), url)
info(get_msg(Msg.error_message), str(e))
if os.path.exists(abs_graph_file):
fd.close()
os.remove(abs_graph_file)
return NA, NA
def get_graph_file(self, pattern, url, cached_encoding):
"""output: graph_file, encoding"""
if NA == cached_encoding: # mean this url is not retrievable
return NA, NA
file_encoding = cached_encoding
if not file_encoding:
file_encoding = GraphFetcher.get_file_encoding(pattern)
graph_dir = GraphFetcher.get_graph_dir(pattern)
if not os.path.exists(graph_dir):
try:
mkdir_p(graph_dir)
except OSError as e:
error("[fetch] cannot create program directory, program exits:")
error(str(e))
sys.exit()
abs_graph_file = graph_dir + "image_" + file_encoding + ".jpg"
if os.path.exists(abs_graph_file):
return abs_graph_file, file_encoding
if not self.__network_reachable:
info("give up fetching image (due to no network connection):")
return NA, None
self.__has_write = True
try:
info("fetch image: %s" % url)
try:
web_content = urllib2.urlopen(url, timeout=10)
except httplib.BadStatusLine:
info("give up fetching image (due to no network connection): %s" % url)
return NA, NA
fd = open(abs_graph_file, 'wb')
fd.write(web_content.read())
fd.close()
assert os.path.exists(abs_graph_file)
if os.stat(abs_graph_file).st_size <= 10240:
info("give up acquired image with size: %s Bytes" % os.stat(abs_graph_file).st_size)
info("remove image: %s" % abs_graph_file)
os.remove(abs_graph_file)
return NA, NA
info("fetch succeeded")
return abs_graph_file, file_encoding
except (IOError, httplib.IncompleteRead, ssl.CertificateError) as e:
info("failed url: %s" % url)
info("error: %s" % str(e))
if os.path.exists(abs_graph_file):
fd.close()
os.remove(abs_graph_file)
return NA, NA
def __init__(self, data):
self.path = None
self.detail = DEFAULT_DETAIL
if not data:
return
if not type(data) in [str, dict]:
error("[config] entry 'rpt' shall contain 'str' or 'dict' value instead of %s" % type(data))
return
path = data[PATH_KEY] if type(data) is not str and PATH_KEY in data else data
if "" == path:
return
assert type(path) is str and "" != path
if 0 == path.find(S3_HEAD):
info("[config] report to aws s3 (%s) is not supported" % path)
return
if path[-1] != DIR_DELIM:
path += DIR_DELIM
self.path = path
self.detail = get_bool_value(data, DETAIL_KEY, self.detail)
debug("report path: %s" % self.path)
debug("report detail: %s" % ("yes" if self.detail else "no"))
def __init__(self, dst_root, setting, args):
assert 0 == dst_root.find(S3_HEAD)
super(S3, self).__init__("s3", dst_root, setting, args)
if self._dst_root[-1] != S3_DELIM:
self._dst_root += S3_DELIM
aws_path = get_aws_path()
if not aws_path:
error("[s3] cannot locate aws")
self.okay = False
return
self.aws = aws_path
self.cp_cmd = self.aws + " s3 cp " # use for logging
wo_head_path = self._dst_root[len(S3_HEAD):]
end_bucket = wo_head_path.find(S3_DELIM)
bucket = wo_head_path if -1 == end_bucket else wo_head_path[:end_bucket]
info("[s3] checking bucket '%s' existence..." % bucket)
cmd_list = [self.aws, "s3", "ls", bucket]
stdout_data, _ = Popen(cmd_list, stdout=PIPE, stderr=STDOUT).communicate()
res = pp_popen_out(stdout_data)
# we assume 'aws ls' always gives a newline (platform dependent) for its stdout when error occurs
self.okay = 0 != res.find('\r\n' if is_windows() else "\\n")
if not self.okay:
warning("[s3] fail to locate bucket '%s'" % bucket)
def __init__(self, config_file=None, src=None, dst=None, name=None, compress=None, encoding=None, rpt=None):
data = None
if config_file:
if not os.path.exists(config_file):
error("[BUFFY] config file \"%s\" does not exist, program exit..." % config_file)
sys.exit()
info("[BUFFY] reading config file \"%s\"..." % config_file)
with open(config_file) as config_fp:
import json
data = json.load(config_fp)
if not dst and DST_KEY not in data:
error("[config] no \'dst\' specified, program exit...")
sys.exit()
dst = data[DST_KEY] if not dst else dst
if not type(dst) in [str, list]:
error("[config] entry 'src' shall contain 'str' or 'list' value instead of %s, program exit..."
% type(dst))
sys.exit()
if not src and SRC_KEY not in data:
error("[config] no \'src\' specified, program exit...")
sys.exit()
self.dst = [dst] if type(dst) is str else dst
self.name = name if name else data[NAME_KEY] if data and NAME_KEY in data else ""
assert type(self.name) is str
self.compress = compress if None is not compress else get_bool_value(data, COMPRESS_KEY, DEFAULT_COMPRESS)
self.encoding = encoding if None is not encoding else get_bool_value(data, ENCODING_KEY, DEFAULT_ENCODING)
debug("------------------------")
if "" != self.name:
debug("name: %s" % self.name)
show_list(self.dst, "dst")
self.src = Source(src if src else data[SRC_KEY])
debug("compress: %s" % ("yes" if self.compress else "no"))
debug("encoding: %s" % ("yes" if self.encoding else "no"))
self.rpt = Report(rpt if rpt else data[RPT_KEY] if data and RPT_KEY in data else None)
debug("------------------------")
def print_error(data):
assert isinstance(data, dict) and "message" in data
error("[search] search engine error: %s" % data["message"])
def print_error(data):
assert isinstance(data, dict) and "message" in data
error(get_msg(Msg.search_engine_err_msg), data["message"])
