def testDiff(self):
assert Diff.diff(
[],
["one", "two", "three"]
) == [("+", ["one", "two","three"])]
assert Diff.diff(
["one", "two", "three"],
["one", "two", "three", "four", "five"]
) == [("=", 11), ("+", ["four", "five"])]
assert Diff.diff(
["one", "two", "three", "six"],
["one", "two", "three", "four", "five", "six"]
) == [("=", 11), ("+", ["four", "five"]), ("=", 3)]
assert Diff.diff(
["one", "two", "three", "hmm", "six"],
["one", "two", "three", "four", "five", "six"]
) == [("=", 11), ("-", 3), ("+", ["four", "five"]), ("=", 3)]
assert Diff.diff(
["one", "two", "three"],
[]
) == [("-", 11)]
def getDiffs(self, inner_path, limit=30 * 1024, update_files=True):
if inner_path not in self.contents:
return {}
diffs = {}
content_inner_path_dir = helper.getDirname(inner_path)
for file_relative_path in self.contents[inner_path].get("files", {}):
file_inner_path = content_inner_path_dir + file_relative_path
if self.site.storage.isFile(file_inner_path + "-new"): # New version present
diffs[file_relative_path] = Diff.diff(
list(self.site.storage.open(file_inner_path)),
list(self.site.storage.open(file_inner_path + "-new")),
limit=limit
)
if update_files:
self.site.storage.delete(file_inner_path)
self.site.storage.rename(file_inner_path + "-new", file_inner_path)
if self.site.storage.isFile(file_inner_path + "-old"): # Old version present
diffs[file_relative_path] = Diff.diff(
list(self.site.storage.open(file_inner_path + "-old")),
list(self.site.storage.open(file_inner_path)),
limit=limit
)
if update_files:
self.site.storage.delete(file_inner_path + "-old")
return diffs
def getDiffs(self, inner_path, limit=30 * 1024, update_files=True):
if inner_path not in self.contents:
return None
diffs = {}
content_inner_path_dir = helper.getDirname(inner_path)
for file_relative_path in self.contents[inner_path].get("files", {}):
file_inner_path = content_inner_path_dir + file_relative_path
if self.site.storage.isFile(file_inner_path + "-new"): # New version present
diffs[file_relative_path] = Diff.diff(
list(self.site.storage.open(file_inner_path)),
list(self.site.storage.open(file_inner_path + "-new")),
limit=limit
)
if update_files:
self.site.storage.delete(file_inner_path)
self.site.storage.rename(file_inner_path + "-new", file_inner_path)
if self.site.storage.isFile(file_inner_path + "-old"): # Old version present
diffs[file_relative_path] = Diff.diff(
list(self.site.storage.open(file_inner_path + "-old")),
list(self.site.storage.open(file_inner_path)),
limit=limit
)
if update_files:
self.site.storage.delete(file_inner_path + "-old")
return diffs
def testDiff(self):
assert Diff.diff(
[],
["one", "two", "three"]
) == [("+", ["one", "two","three"])]
assert Diff.diff(
["one", "two", "three"],
["one", "two", "three", "four", "five"]
) == [("=", 11), ("+", ["four", "five"])]
assert Diff.diff(
["one", "two", "three", "six"],
["one", "two", "three", "four", "five", "six"]
) == [("=", 11), ("+", ["four", "five"]), ("=", 3)]
assert Diff.diff(
["one", "two", "three", "hmm", "six"],
["one", "two", "three", "four", "five", "six"]
) == [("=", 11), ("-", 3), ("+", ["four", "five"]), ("=", 3)]
assert Diff.diff(
["one", "two", "three"],
[]
) == [("-", 11)]
def calculate():
f = request.args.get('f')
start_point = request.args.get('start_point')
eps = request.args.get('eps')
option = request.args.get('option')
if start_point is not None:
start_point = [float(x) for x in start_point.split()]
if eps is not None:
eps = float(eps)
find_min = True
if option == 'max':
find_min = False
descent = GradientDescent(f, start_point, eps, find_min)
length = Diff.length(descent.get_start_point())
diff_by_direction = descent.calculate_diff_by_direction(length)
mess = 'not monotonically'
if Diff.is_increasing(diff_by_direction):
mess = 'monotonically increasing'
if Diff.is_decreasing(diff_by_direction):
mess = 'monotonically decreasing'
res = descent.calculate()
report = descent.get_report()
return render_template('index.html',
descent=descent,
point=' '.join(map(str, descent.get_start_point())),
length=length,
diff_by_direction=diff_by_direction,
mess=mess,
report=report,
res='; '.join(map(str, res)))
def testPatch(self):
old_f = StringIO.StringIO("one\ntwo\nthree\nhmm\nsix")
new_f = StringIO.StringIO("one\ntwo\nthree\nfour\nfive\nsix")
actions = Diff.diff(
list(old_f),
list(new_f)
)
old_f.seek(0)
assert Diff.patch(old_f, actions).getvalue() == new_f.getvalue()
def testPatch(self):
old_f = io.BytesIO(b"one\ntwo\nthree\nhmm\nsix")
new_f = io.BytesIO(b"one\ntwo\nthree\nfour\nfive\nsix")
actions = Diff.diff(
list(old_f),
list(new_f)
)
old_f.seek(0)
assert Diff.patch(old_f, actions).getvalue() == new_f.getvalue()
def testDiffLimit(self):
old_f = io.BytesIO(b"one\ntwo\nthree\nhmm\nsix")
new_f = io.BytesIO(b"one\ntwo\nthree\nfour\nfive\nsix")
actions = Diff.diff(list(old_f), list(new_f), limit=1024)
assert actions
old_f = io.BytesIO(b"one\ntwo\nthree\nhmm\nsix")
new_f = io.BytesIO(b"one\ntwo\nthree\nfour\nfive\nsix" * 1024)
actions = Diff.diff(list(old_f), list(new_f), limit=1024)
assert actions is False
def testDiffLimit(self):
old_f = StringIO.StringIO("one\ntwo\nthree\nhmm\nsix")
new_f = StringIO.StringIO("one\ntwo\nthree\nfour\nfive\nsix")
actions = Diff.diff(list(old_f), list(new_f), limit=1024)
assert actions
old_f = StringIO.StringIO("one\ntwo\nthree\nhmm\nsix")
new_f = StringIO.StringIO("one\ntwo\nthree\nfour\nfive\nsix"*1024)
actions = Diff.diff(list(old_f), list(new_f), limit=1024)
assert actions is False
def downloadContent(self, inner_path, download_files=True, peer=None, check_modifications=False, diffs={}):
s = time.time()
if config.verbose:
self.log.debug("Downloading %s..." % inner_path)
found = self.needFile(inner_path, update=self.bad_files.get(inner_path))
content_inner_dir = helper.getDirname(inner_path)
if not found:
self.log.debug("Download %s failed, check_modifications: %s" % (inner_path, check_modifications))
if check_modifications: # Download failed, but check modifications if its succed later
self.onFileDone.once(lambda file_name: self.checkModifications(0), "check_modifications")
return False # Could not download content.json
if config.verbose:
self.log.debug("Got %s" % inner_path)
changed, deleted = self.content_manager.loadContent(inner_path, load_includes=False)
if peer: # Update last received update from peer to prevent re-sending the same update to it
peer.last_content_json_update = self.content_manager.contents[inner_path]["modified"]
# Start download files
file_threads = []
if download_files:
for file_relative_path in self.content_manager.contents[inner_path].get("files", {}).keys():
file_inner_path = content_inner_dir + file_relative_path
# Try to diff first
diff_success = False
diff_actions = diffs.get(file_relative_path)
if diff_actions and self.bad_files.get(file_inner_path):
try:
new_file = Diff.patch(self.storage.open(file_inner_path, "rb"), diff_actions)
new_file.seek(0)
diff_success = self.content_manager.verifyFile(file_inner_path, new_file)
if diff_success:
self.log.debug("Patched successfully: %s" % file_inner_path)
new_file.seek(0)
self.storage.write(file_inner_path, new_file)
self.onFileDone(file_inner_path)
except Exception, err:
self.log.debug("Failed to patch %s: %s" % (file_inner_path, err))
diff_success = False
if not diff_success:
# Start download and dont wait for finish, return the event
res = self.needFile(file_inner_path, blocking=False, update=self.bad_files.get(file_inner_path), peer=peer)
if res is not True and res is not False: # Need downloading and file is allowed
file_threads.append(res) # Append evt
# Optionals files
if inner_path == "content.json":
gevent.spawn(self.updateHashfield)
if self.settings.get("autodownloadoptional"):
for file_relative_path in self.content_manager.contents[inner_path].get("files_optional", {}).keys():
file_inner_path = content_inner_dir + file_relative_path
# Start download and dont wait for finish, return the event
res = self.needFile(file_inner_path, blocking=False, update=self.bad_files.get(file_inner_path), peer=peer)
if res is not True and res is not False: # Need downloading and file is allowed
file_threads.append(res) # Append evt
def downloadContent(self, inner_path, download_files=True, peer=None, check_modifications=False, diffs={}):
s = time.time()
if config.verbose:
self.log.debug("Downloading %s..." % inner_path)
found = self.needFile(inner_path, update=self.bad_files.get(inner_path))
content_inner_dir = helper.getDirname(inner_path)
if not found:
self.log.debug("Download %s failed, check_modifications: %s" % (inner_path, check_modifications))
if check_modifications: # Download failed, but check modifications if its succed later
self.onFileDone.once(lambda file_name: self.checkModifications(0), "check_modifications")
return False # Could not download content.json
if config.verbose:
self.log.debug("Got %s" % inner_path)
changed, deleted = self.content_manager.loadContent(inner_path, load_includes=False)
if peer: # Update last received update from peer to prevent re-sending the same update to it
peer.last_content_json_update = self.content_manager.contents[inner_path]["modified"]
# Start download files
file_threads = []
if download_files:
for file_relative_path in self.content_manager.contents[inner_path].get("files", {}).keys():
file_inner_path = content_inner_dir + file_relative_path
# Try to diff first
diff_success = False
diff_actions = diffs.get(file_relative_path)
if diff_actions and self.bad_files.get(file_inner_path):
try:
new_file = Diff.patch(self.storage.open(file_inner_path, "rb"), diff_actions)
new_file.seek(0)
diff_success = self.content_manager.verifyFile(file_inner_path, new_file)
if diff_success:
self.log.debug("Patched successfully: %s" % file_inner_path)
new_file.seek(0)
self.storage.write(file_inner_path, new_file)
self.onFileDone(file_inner_path)
except Exception, err:
self.log.debug("Failed to patch %s: %s" % (file_inner_path, err))
diff_success = False
if not diff_success:
# Start download and dont wait for finish, return the event
res = self.needFile(file_inner_path, blocking=False, update=self.bad_files.get(file_inner_path), peer=peer)
if res is not True and res is not False: # Need downloading and file is allowed
file_threads.append(res) # Append evt
# Optionals files
if inner_path == "content.json":
gevent.spawn(self.updateHashfield)
if self.settings.get("autodownloadoptional"):
for file_relative_path in self.content_manager.contents[inner_path].get("files_optional", {}).keys():
file_inner_path = content_inner_dir + file_relative_path
# Start download and dont wait for finish, return the event
res = self.needFile(file_inner_path, blocking=False, update=self.bad_files.get(file_inner_path), peer=peer)
if res is not True and res is not False: # Need downloading and file is allowed
file_threads.append(res) # Append evt
def testUtf8(self):
assert Diff.diff(
["one", "\xe5\xad\xa6\xe4\xb9\xa0\xe4\xb8\x8b", "two", "three"], [
"one", "\xe5\xad\xa6\xe4\xb9\xa0\xe4\xb8\x8b", "two", "three",
"four", "five"
]) == [("=", 20), ("+", ["four", "five"])]
def calculate_diff_by_direction(self, length):
return Diff.diff_by_direction(self.__calculated_grad, self.__start_point, length)
