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values | path stringlengths 8 121 | func_name stringlengths 1 82 | original_string stringlengths 112 65.5k | language stringclasses 1
value | code stringlengths 112 65.5k | code_tokens listlengths 20 4.09k | docstring stringlengths 3 46.3k | docstring_tokens listlengths 1 564 | sha stringclasses 85
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gunthercox/ChatterBot | chatterbot/trainers.py | Trainer.get_preprocessed_statement | def get_preprocessed_statement(self, input_statement):
"""
Preprocess the input statement.
"""
for preprocessor in self.chatbot.preprocessors:
input_statement = preprocessor(input_statement)
return input_statement | python | def get_preprocessed_statement(self, input_statement):
"""
Preprocess the input statement.
"""
for preprocessor in self.chatbot.preprocessors:
input_statement = preprocessor(input_statement)
return input_statement | [
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gunthercox/ChatterBot | chatterbot/trainers.py | Trainer.export_for_training | def export_for_training(self, file_path='./export.json'):
"""
Create a file from the database that can be used to
train other chat bots.
"""
import json
export = {'conversations': self._generate_export_data()}
with open(file_path, 'w+') as jsonfile:
js... | python | def export_for_training(self, file_path='./export.json'):
"""
Create a file from the database that can be used to
train other chat bots.
"""
import json
export = {'conversations': self._generate_export_data()}
with open(file_path, 'w+') as jsonfile:
js... | [
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gunthercox/ChatterBot | chatterbot/trainers.py | ListTrainer.train | def train(self, conversation):
"""
Train the chat bot based on the provided list of
statements that represents a single conversation.
"""
previous_statement_text = None
previous_statement_search_text = ''
statements_to_create = []
for conversation_count,... | python | def train(self, conversation):
"""
Train the chat bot based on the provided list of
statements that represents a single conversation.
"""
previous_statement_text = None
previous_statement_search_text = ''
statements_to_create = []
for conversation_count,... | [
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gunthercox/ChatterBot | chatterbot/trainers.py | UbuntuCorpusTrainer.is_downloaded | def is_downloaded(self, file_path):
"""
Check if the data file is already downloaded.
"""
if os.path.exists(file_path):
self.chatbot.logger.info('File is already downloaded')
return True
return False | python | def is_downloaded(self, file_path):
"""
Check if the data file is already downloaded.
"""
if os.path.exists(file_path):
self.chatbot.logger.info('File is already downloaded')
return True
return False | [
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gunthercox/ChatterBot | chatterbot/trainers.py | UbuntuCorpusTrainer.is_extracted | def is_extracted(self, file_path):
"""
Check if the data file is already extracted.
"""
if os.path.isdir(file_path):
self.chatbot.logger.info('File is already extracted')
return True
return False | python | def is_extracted(self, file_path):
"""
Check if the data file is already extracted.
"""
if os.path.isdir(file_path):
self.chatbot.logger.info('File is already extracted')
return True
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gunthercox/ChatterBot | chatterbot/trainers.py | UbuntuCorpusTrainer.download | def download(self, url, show_status=True):
"""
Download a file from the given url.
Show a progress indicator for the download status.
Based on: http://stackoverflow.com/a/15645088/1547223
"""
import requests
file_name = url.split('/')[-1]
file_path = os.p... | python | def download(self, url, show_status=True):
"""
Download a file from the given url.
Show a progress indicator for the download status.
Based on: http://stackoverflow.com/a/15645088/1547223
"""
import requests
file_name = url.split('/')[-1]
file_path = os.p... | [
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gunthercox/ChatterBot | chatterbot/trainers.py | UbuntuCorpusTrainer.extract | def extract(self, file_path):
"""
Extract a tar file at the specified file path.
"""
import tarfile
print('Extracting {}'.format(file_path))
if not os.path.exists(self.extracted_data_directory):
os.makedirs(self.extracted_data_directory)
def track_p... | python | def extract(self, file_path):
"""
Extract a tar file at the specified file path.
"""
import tarfile
print('Extracting {}'.format(file_path))
if not os.path.exists(self.extracted_data_directory):
os.makedirs(self.extracted_data_directory)
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gunthercox/ChatterBot | chatterbot/storage/sql_storage.py | SQLStorageAdapter.count | def count(self):
"""
Return the number of entries in the database.
"""
Statement = self.get_model('statement')
session = self.Session()
statement_count = session.query(Statement).count()
session.close()
return statement_count | python | def count(self):
"""
Return the number of entries in the database.
"""
Statement = self.get_model('statement')
session = self.Session()
statement_count = session.query(Statement).count()
session.close()
return statement_count | [
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gunthercox/ChatterBot | chatterbot/storage/sql_storage.py | SQLStorageAdapter.remove | def remove(self, statement_text):
"""
Removes the statement that matches the input text.
Removes any responses from statements where the response text matches
the input text.
"""
Statement = self.get_model('statement')
session = self.Session()
query = ses... | python | def remove(self, statement_text):
"""
Removes the statement that matches the input text.
Removes any responses from statements where the response text matches
the input text.
"""
Statement = self.get_model('statement')
session = self.Session()
query = ses... | [
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gunthercox/ChatterBot | chatterbot/storage/sql_storage.py | SQLStorageAdapter.filter | def filter(self, **kwargs):
"""
Returns a list of objects from the database.
The kwargs parameter can contain any number
of attributes. Only objects which contain all
listed attributes and in which all values match
for all listed attributes will be returned.
"""
... | python | def filter(self, **kwargs):
"""
Returns a list of objects from the database.
The kwargs parameter can contain any number
of attributes. Only objects which contain all
listed attributes and in which all values match
for all listed attributes will be returned.
"""
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gunthercox/ChatterBot | chatterbot/storage/sql_storage.py | SQLStorageAdapter.create | def create(self, **kwargs):
"""
Creates a new statement matching the keyword arguments specified.
Returns the created statement.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
session = self.Session()
tags = set(kwargs.pop('tags'... | python | def create(self, **kwargs):
"""
Creates a new statement matching the keyword arguments specified.
Returns the created statement.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
session = self.Session()
tags = set(kwargs.pop('tags'... | [
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gunthercox/ChatterBot | chatterbot/storage/sql_storage.py | SQLStorageAdapter.create_many | def create_many(self, statements):
"""
Creates multiple statement entries.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
session = self.Session()
create_statements = []
create_tags = {}
for statement in statements:
... | python | def create_many(self, statements):
"""
Creates multiple statement entries.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
session = self.Session()
create_statements = []
create_tags = {}
for statement in statements:
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gunthercox/ChatterBot | chatterbot/storage/sql_storage.py | SQLStorageAdapter.update | def update(self, statement):
"""
Modifies an entry in the database.
Creates an entry if one does not exist.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
if statement is not None:
session = self.Session()
record =... | python | def update(self, statement):
"""
Modifies an entry in the database.
Creates an entry if one does not exist.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
if statement is not None:
session = self.Session()
record =... | [
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gunthercox/ChatterBot | chatterbot/storage/sql_storage.py | SQLStorageAdapter.get_random | def get_random(self):
"""
Returns a random statement from the database.
"""
import random
Statement = self.get_model('statement')
session = self.Session()
count = self.count()
if count < 1:
raise self.EmptyDatabaseException()
random_... | python | def get_random(self):
"""
Returns a random statement from the database.
"""
import random
Statement = self.get_model('statement')
session = self.Session()
count = self.count()
if count < 1:
raise self.EmptyDatabaseException()
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gunthercox/ChatterBot | chatterbot/storage/sql_storage.py | SQLStorageAdapter.drop | def drop(self):
"""
Drop the database.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
session = self.Session()
session.query(Statement).delete()
session.query(Tag).delete()
session.commit()
session.close() | python | def drop(self):
"""
Drop the database.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
session = self.Session()
session.query(Statement).delete()
session.query(Tag).delete()
session.commit()
session.close() | [
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gunthercox/ChatterBot | chatterbot/storage/sql_storage.py | SQLStorageAdapter.create_database | def create_database(self):
"""
Populate the database with the tables.
"""
from chatterbot.ext.sqlalchemy_app.models import Base
Base.metadata.create_all(self.engine) | python | def create_database(self):
"""
Populate the database with the tables.
"""
from chatterbot.ext.sqlalchemy_app.models import Base
Base.metadata.create_all(self.engine) | [
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gunthercox/ChatterBot | examples/django_app/example_app/views.py | ChatterBotApiView.post | def post(self, request, *args, **kwargs):
"""
Return a response to the statement in the posted data.
* The JSON data should contain a 'text' attribute.
"""
input_data = json.loads(request.body.decode('utf-8'))
if 'text' not in input_data:
return JsonResponse... | python | def post(self, request, *args, **kwargs):
"""
Return a response to the statement in the posted data.
* The JSON data should contain a 'text' attribute.
"""
input_data = json.loads(request.body.decode('utf-8'))
if 'text' not in input_data:
return JsonResponse... | [
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gunthercox/ChatterBot | chatterbot/corpus.py | get_file_path | def get_file_path(dotted_path, extension='json'):
"""
Reads a dotted file path and returns the file path.
"""
# If the operating system's file path seperator character is in the string
if os.sep in dotted_path or '/' in dotted_path:
# Assume the path is a valid file path
return dotte... | python | def get_file_path(dotted_path, extension='json'):
"""
Reads a dotted file path and returns the file path.
"""
# If the operating system's file path seperator character is in the string
if os.sep in dotted_path or '/' in dotted_path:
# Assume the path is a valid file path
return dotte... | [
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gunthercox/ChatterBot | chatterbot/corpus.py | read_corpus | def read_corpus(file_name):
"""
Read and return the data from a corpus json file.
"""
with io.open(file_name, encoding='utf-8') as data_file:
return yaml.load(data_file) | python | def read_corpus(file_name):
"""
Read and return the data from a corpus json file.
"""
with io.open(file_name, encoding='utf-8') as data_file:
return yaml.load(data_file) | [
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gunthercox/ChatterBot | chatterbot/corpus.py | list_corpus_files | def list_corpus_files(dotted_path):
"""
Return a list of file paths to each data file in the specified corpus.
"""
corpus_path = get_file_path(dotted_path, extension=CORPUS_EXTENSION)
paths = []
if os.path.isdir(corpus_path):
paths = glob.glob(corpus_path + '/**/*.' + CORPUS_EXTENSION, ... | python | def list_corpus_files(dotted_path):
"""
Return a list of file paths to each data file in the specified corpus.
"""
corpus_path = get_file_path(dotted_path, extension=CORPUS_EXTENSION)
paths = []
if os.path.isdir(corpus_path):
paths = glob.glob(corpus_path + '/**/*.' + CORPUS_EXTENSION, ... | [
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gunthercox/ChatterBot | chatterbot/corpus.py | load_corpus | def load_corpus(*data_file_paths):
"""
Return the data contained within a specified corpus.
"""
for file_path in data_file_paths:
corpus = []
corpus_data = read_corpus(file_path)
conversations = corpus_data.get('conversations', [])
corpus.extend(conversations)
c... | python | def load_corpus(*data_file_paths):
"""
Return the data contained within a specified corpus.
"""
for file_path in data_file_paths:
corpus = []
corpus_data = read_corpus(file_path)
conversations = corpus_data.get('conversations', [])
corpus.extend(conversations)
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gunthercox/ChatterBot | chatterbot/tagging.py | PosLemmaTagger.get_bigram_pair_string | def get_bigram_pair_string(self, text):
"""
Return a string of text containing part-of-speech, lemma pairs.
"""
bigram_pairs = []
if len(text) <= 2:
text_without_punctuation = text.translate(self.punctuation_table)
if len(text_without_punctuation) >= 1:
... | python | def get_bigram_pair_string(self, text):
"""
Return a string of text containing part-of-speech, lemma pairs.
"""
bigram_pairs = []
if len(text) <= 2:
text_without_punctuation = text.translate(self.punctuation_table)
if len(text_without_punctuation) >= 1:
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gunthercox/ChatterBot | chatterbot/storage/django_storage.py | DjangoStorageAdapter.filter | def filter(self, **kwargs):
"""
Returns a list of statements in the database
that match the parameters specified.
"""
from django.db.models import Q
Statement = self.get_model('statement')
kwargs.pop('page_size', 1000)
order_by = kwargs.pop('order_by', N... | python | def filter(self, **kwargs):
"""
Returns a list of statements in the database
that match the parameters specified.
"""
from django.db.models import Q
Statement = self.get_model('statement')
kwargs.pop('page_size', 1000)
order_by = kwargs.pop('order_by', N... | [
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gunthercox/ChatterBot | chatterbot/storage/django_storage.py | DjangoStorageAdapter.create | def create(self, **kwargs):
"""
Creates a new statement matching the keyword arguments specified.
Returns the created statement.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
tags = kwargs.pop('tags', [])
if 'search_text' not in... | python | def create(self, **kwargs):
"""
Creates a new statement matching the keyword arguments specified.
Returns the created statement.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
tags = kwargs.pop('tags', [])
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gunthercox/ChatterBot | chatterbot/storage/django_storage.py | DjangoStorageAdapter.create_many | def create_many(self, statements):
"""
Creates multiple statement entries.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
tag_cache = {}
for statement in statements:
statement_data = statement.serialize()
tag_dat... | python | def create_many(self, statements):
"""
Creates multiple statement entries.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
tag_cache = {}
for statement in statements:
statement_data = statement.serialize()
tag_dat... | [
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gunthercox/ChatterBot | chatterbot/storage/django_storage.py | DjangoStorageAdapter.update | def update(self, statement):
"""
Update the provided statement.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
if hasattr(statement, 'id'):
statement.save()
else:
statement = Statement.objects.create(
... | python | def update(self, statement):
"""
Update the provided statement.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
if hasattr(statement, 'id'):
statement.save()
else:
statement = Statement.objects.create(
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gunthercox/ChatterBot | chatterbot/storage/django_storage.py | DjangoStorageAdapter.get_random | def get_random(self):
"""
Returns a random statement from the database
"""
Statement = self.get_model('statement')
statement = Statement.objects.order_by('?').first()
if statement is None:
raise self.EmptyDatabaseException()
return statement | python | def get_random(self):
"""
Returns a random statement from the database
"""
Statement = self.get_model('statement')
statement = Statement.objects.order_by('?').first()
if statement is None:
raise self.EmptyDatabaseException()
return statement | [
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gunthercox/ChatterBot | chatterbot/storage/django_storage.py | DjangoStorageAdapter.remove | def remove(self, statement_text):
"""
Removes the statement that matches the input text.
Removes any responses from statements if the response text matches the
input text.
"""
Statement = self.get_model('statement')
statements = Statement.objects.filter(text=stat... | python | def remove(self, statement_text):
"""
Removes the statement that matches the input text.
Removes any responses from statements if the response text matches the
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"""
Statement = self.get_model('statement')
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gunthercox/ChatterBot | chatterbot/storage/django_storage.py | DjangoStorageAdapter.drop | def drop(self):
"""
Remove all data from the database.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
Statement.objects.all().delete()
Tag.objects.all().delete() | python | def drop(self):
"""
Remove all data from the database.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
Statement.objects.all().delete()
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gunthercox/ChatterBot | chatterbot/preprocessors.py | clean_whitespace | def clean_whitespace(statement):
"""
Remove any consecutive whitespace characters from the statement text.
"""
import re
# Replace linebreaks and tabs with spaces
statement.text = statement.text.replace('\n', ' ').replace('\r', ' ').replace('\t', ' ')
# Remove any leeding or trailing white... | python | def clean_whitespace(statement):
"""
Remove any consecutive whitespace characters from the statement text.
"""
import re
# Replace linebreaks and tabs with spaces
statement.text = statement.text.replace('\n', ' ').replace('\r', ' ').replace('\t', ' ')
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gunthercox/ChatterBot | chatterbot/preprocessors.py | unescape_html | def unescape_html(statement):
"""
Convert escaped html characters into unescaped html characters.
For example: "<b>" becomes "<b>".
"""
import html
statement.text = html.unescape(statement.text)
return statement | python | def unescape_html(statement):
"""
Convert escaped html characters into unescaped html characters.
For example: "<b>" becomes "<b>".
"""
import html
statement.text = html.unescape(statement.text)
return statement | [
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gunthercox/ChatterBot | chatterbot/preprocessors.py | convert_to_ascii | def convert_to_ascii(statement):
"""
Converts unicode characters to ASCII character equivalents.
For example: "på fédéral" becomes "pa federal".
"""
import unicodedata
text = unicodedata.normalize('NFKD', statement.text)
text = text.encode('ascii', 'ignore').decode('utf-8')
statement.t... | python | def convert_to_ascii(statement):
"""
Converts unicode characters to ASCII character equivalents.
For example: "på fédéral" becomes "pa federal".
"""
import unicodedata
text = unicodedata.normalize('NFKD', statement.text)
text = text.encode('ascii', 'ignore').decode('utf-8')
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gunthercox/ChatterBot | chatterbot/parsing.py | convert_string_to_number | def convert_string_to_number(value):
"""
Convert strings to numbers
"""
if value is None:
return 1
if isinstance(value, int):
return value
if value.isdigit():
return int(value)
num_list = map(lambda s: NUMBERS[s], re.findall(numbers + '+', value.lower()))
return s... | python | def convert_string_to_number(value):
"""
Convert strings to numbers
"""
if value is None:
return 1
if isinstance(value, int):
return value
if value.isdigit():
return int(value)
num_list = map(lambda s: NUMBERS[s], re.findall(numbers + '+', value.lower()))
return s... | [
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gunthercox/ChatterBot | chatterbot/parsing.py | convert_time_to_hour_minute | def convert_time_to_hour_minute(hour, minute, convention):
"""
Convert time to hour, minute
"""
if hour is None:
hour = 0
if minute is None:
minute = 0
if convention is None:
convention = 'am'
hour = int(hour)
minute = int(minute)
if convention.lower() == 'p... | python | def convert_time_to_hour_minute(hour, minute, convention):
"""
Convert time to hour, minute
"""
if hour is None:
hour = 0
if minute is None:
minute = 0
if convention is None:
convention = 'am'
hour = int(hour)
minute = int(minute)
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gunthercox/ChatterBot | chatterbot/parsing.py | date_from_quarter | def date_from_quarter(base_date, ordinal, year):
"""
Extract date from quarter of a year
"""
interval = 3
month_start = interval * (ordinal - 1)
if month_start < 0:
month_start = 9
month_end = month_start + interval
if month_start == 0:
month_start = 1
return [
... | python | def date_from_quarter(base_date, ordinal, year):
"""
Extract date from quarter of a year
"""
interval = 3
month_start = interval * (ordinal - 1)
if month_start < 0:
month_start = 9
month_end = month_start + interval
if month_start == 0:
month_start = 1
return [
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gunthercox/ChatterBot | chatterbot/parsing.py | date_from_relative_day | def date_from_relative_day(base_date, time, dow):
"""
Converts relative day to time
Ex: this tuesday, last tuesday
"""
# Reset date to start of the day
base_date = datetime(base_date.year, base_date.month, base_date.day)
time = time.lower()
dow = dow.lower()
if time == 'this' or time... | python | def date_from_relative_day(base_date, time, dow):
"""
Converts relative day to time
Ex: this tuesday, last tuesday
"""
# Reset date to start of the day
base_date = datetime(base_date.year, base_date.month, base_date.day)
time = time.lower()
dow = dow.lower()
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gunthercox/ChatterBot | chatterbot/parsing.py | date_from_relative_week_year | def date_from_relative_week_year(base_date, time, dow, ordinal=1):
"""
Converts relative day to time
Eg. this tuesday, last tuesday
"""
# If there is an ordinal (next 3 weeks) => return a start and end range
# Reset date to start of the day
relative_date = datetime(base_date.year, base_date.... | python | def date_from_relative_week_year(base_date, time, dow, ordinal=1):
"""
Converts relative day to time
Eg. this tuesday, last tuesday
"""
# If there is an ordinal (next 3 weeks) => return a start and end range
# Reset date to start of the day
relative_date = datetime(base_date.year, base_date.... | [
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gunthercox/ChatterBot | chatterbot/parsing.py | date_from_adverb | def date_from_adverb(base_date, name):
"""
Convert Day adverbs to dates
Tomorrow => Date
Today => Date
"""
# Reset date to start of the day
adverb_date = datetime(base_date.year, base_date.month, base_date.day)
if name == 'today' or name == 'tonite' or name == 'tonight':
return a... | python | def date_from_adverb(base_date, name):
"""
Convert Day adverbs to dates
Tomorrow => Date
Today => Date
"""
# Reset date to start of the day
adverb_date = datetime(base_date.year, base_date.month, base_date.day)
if name == 'today' or name == 'tonite' or name == 'tonight':
return a... | [
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gunthercox/ChatterBot | chatterbot/parsing.py | date_from_duration | def date_from_duration(base_date, number_as_string, unit, duration, base_time=None):
"""
Find dates from duration
Eg: 20 days from now
Currently does not support strings like "20 days from last monday".
"""
# Check if query is `2 days before yesterday` or `day before yesterday`
if base_time ... | python | def date_from_duration(base_date, number_as_string, unit, duration, base_time=None):
"""
Find dates from duration
Eg: 20 days from now
Currently does not support strings like "20 days from last monday".
"""
# Check if query is `2 days before yesterday` or `day before yesterday`
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gunthercox/ChatterBot | chatterbot/parsing.py | this_week_day | def this_week_day(base_date, weekday):
"""
Finds coming weekday
"""
day_of_week = base_date.weekday()
# If today is Tuesday and the query is `this monday`
# We should output the next_week monday
if day_of_week > weekday:
return next_week_day(base_date, weekday)
start_of_this_week... | python | def this_week_day(base_date, weekday):
"""
Finds coming weekday
"""
day_of_week = base_date.weekday()
# If today is Tuesday and the query is `this monday`
# We should output the next_week monday
if day_of_week > weekday:
return next_week_day(base_date, weekday)
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gunthercox/ChatterBot | chatterbot/parsing.py | previous_week_day | def previous_week_day(base_date, weekday):
"""
Finds previous weekday
"""
day = base_date - timedelta(days=1)
while day.weekday() != weekday:
day = day - timedelta(days=1)
return day | python | def previous_week_day(base_date, weekday):
"""
Finds previous weekday
"""
day = base_date - timedelta(days=1)
while day.weekday() != weekday:
day = day - timedelta(days=1)
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gunthercox/ChatterBot | chatterbot/parsing.py | next_week_day | def next_week_day(base_date, weekday):
"""
Finds next weekday
"""
day_of_week = base_date.weekday()
end_of_this_week = base_date + timedelta(days=6 - day_of_week)
day = end_of_this_week + timedelta(days=1)
while day.weekday() != weekday:
day = day + timedelta(days=1)
return day | python | def next_week_day(base_date, weekday):
"""
Finds next weekday
"""
day_of_week = base_date.weekday()
end_of_this_week = base_date + timedelta(days=6 - day_of_week)
day = end_of_this_week + timedelta(days=1)
while day.weekday() != weekday:
day = day + timedelta(days=1)
return day | [
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gunthercox/ChatterBot | chatterbot/parsing.py | datetime_parsing | def datetime_parsing(text, base_date=datetime.now()):
"""
Extract datetime objects from a string of text.
"""
matches = []
found_array = []
# Find the position in the string
for expression, function in regex:
for match in expression.finditer(text):
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"""
Extract datetime objects from a string of text.
"""
matches = []
found_array = []
# Find the position in the string
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gunthercox/ChatterBot | chatterbot/search.py | IndexedTextSearch.search | def search(self, input_statement, **additional_parameters):
"""
Search for close matches to the input. Confidence scores for
subsequent results will order of increasing value.
:param input_statement: A statement.
:type input_statement: chatterbot.conversation.Statement
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"""
Search for close matches to the input. Confidence scores for
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:param input_statement: A statement.
:type input_statement: chatterbot.conversation.Statement
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gunthercox/ChatterBot | examples/tkinter_gui.py | TkinterGUIExample.initialize | def initialize(self):
"""
Set window layout.
"""
self.grid()
self.respond = ttk.Button(self, text='Get Response', command=self.get_response)
self.respond.grid(column=0, row=0, sticky='nesw', padx=3, pady=3)
self.usr_input = ttk.Entry(self, state='normal')
... | python | def initialize(self):
"""
Set window layout.
"""
self.grid()
self.respond = ttk.Button(self, text='Get Response', command=self.get_response)
self.respond.grid(column=0, row=0, sticky='nesw', padx=3, pady=3)
self.usr_input = ttk.Entry(self, state='normal')
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gunthercox/ChatterBot | examples/tkinter_gui.py | TkinterGUIExample.get_response | def get_response(self):
"""
Get a response from the chatbot and display it.
"""
user_input = self.usr_input.get()
self.usr_input.delete(0, tk.END)
response = self.chatbot.get_response(user_input)
self.conversation['state'] = 'normal'
self.conversation.in... | python | def get_response(self):
"""
Get a response from the chatbot and display it.
"""
user_input = self.usr_input.get()
self.usr_input.delete(0, tk.END)
response = self.chatbot.get_response(user_input)
self.conversation['state'] = 'normal'
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gunthercox/ChatterBot | chatterbot/ext/django_chatterbot/abstract_models.py | AbstractBaseStatement.add_tags | def add_tags(self, *tags):
"""
Add a list of strings to the statement as tags.
(Overrides the method from StatementMixin)
"""
for _tag in tags:
self.tags.get_or_create(name=_tag) | python | def add_tags(self, *tags):
"""
Add a list of strings to the statement as tags.
(Overrides the method from StatementMixin)
"""
for _tag in tags:
self.tags.get_or_create(name=_tag) | [
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tensorflow/lucid | lucid/scratch/web/svelte.py | SvelteComponent | def SvelteComponent(name, path):
"""Display svelte components in iPython.
Args:
name: name of svelte component (must match component filename when built)
path: path to compile svelte .js file or source svelte .html file.
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Returns:
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"""Display svelte components in iPython.
Args:
name: name of svelte component (must match component filename when built)
path: path to compile svelte .js file or source svelte .html file.
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"""Save object as json on CNS."""
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handle.write(obj_json) | python | def save_json(object, handle, indent=2):
"""Save object as json on CNS."""
obj_json = json.dumps(object, indent=indent, cls=NumpyJSONEncoder)
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tensorflow/lucid | lucid/misc/io/saving.py | save_npz | def save_npz(object, handle):
"""Save dict of numpy array as npz file."""
# there is a bug where savez doesn't actually accept a file handle.
log.warning("Saving npz files currently only works locally. :/")
path = handle.name
handle.close()
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"""Save dict of numpy array as npz file."""
# there is a bug where savez doesn't actually accept a file handle.
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tensorflow/lucid | lucid/misc/io/saving.py | save_img | def save_img(object, handle, **kwargs):
"""Save numpy array as image file on CNS."""
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normalized = _normalize_array(object)
object = PIL.Image.fromarray(normalized)
if isinstance(object, PIL.Image.Image):
object.save(handle, **kwargs) # will infer... | python | def save_img(object, handle, **kwargs):
"""Save numpy array as image file on CNS."""
if isinstance(object, np.ndarray):
normalized = _normalize_array(object)
object = PIL.Image.fromarray(normalized)
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tensorflow/lucid | lucid/misc/gl/meshutil.py | frustum | def frustum(left, right, bottom, top, znear, zfar):
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assert znear != zfar
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"""Create view frustum matrix."""
assert right != left
assert bottom != top
assert znear != zfar
M = np.zeros((4, 4), dtype=np.float32)
M[0, 0] = +2.0 * znear / (right - left)
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tensorflow/lucid | lucid/misc/gl/meshutil.py | anorm | def anorm(x, axis=None, keepdims=False):
"""Compute L2 norms alogn specified axes."""
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tensorflow/lucid | lucid/misc/gl/meshutil.py | normalize | def normalize(v, axis=None, eps=1e-10):
"""L2 Normalize along specified axes."""
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"""L2 Normalize along specified axes."""
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tensorflow/lucid | lucid/misc/gl/meshutil.py | lookat | def lookat(eye, target=[0, 0, 0], up=[0, 1, 0]):
"""Generate LookAt modelview matrix."""
eye = np.float32(eye)
forward = normalize(target - eye)
side = normalize(np.cross(forward, up))
up = np.cross(side, forward)
M = np.eye(4, dtype=np.float32)
R = M[:3, :3]
R[:] = [side, up, -forward]
M[:3, 3] = -R.... | python | def lookat(eye, target=[0, 0, 0], up=[0, 1, 0]):
"""Generate LookAt modelview matrix."""
eye = np.float32(eye)
forward = normalize(target - eye)
side = normalize(np.cross(forward, up))
up = np.cross(side, forward)
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tensorflow/lucid | lucid/misc/gl/meshutil.py | sample_view | def sample_view(min_dist, max_dist=None):
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'''
if max_dist is None:
max_dist = min_dist
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'''Sample random camera position.
Sample origin directed camera position in given distance
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tensorflow/lucid | lucid/misc/gl/meshutil.py | _parse_vertex_tuple | def _parse_vertex_tuple(s):
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"""Parse vertex indices in '/' separated form (like 'i/j/k', 'i//k' ...)."""
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tensorflow/lucid | lucid/misc/gl/meshutil.py | _unify_rows | def _unify_rows(a):
"""Unify lengths of each row of a."""
lens = np.fromiter(map(len, a), np.int32)
if not (lens[0] == lens).all():
out = np.zeros((len(a), lens.max()), np.float32)
for i, row in enumerate(a):
out[i, :lens[i]] = row
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out = np.float32(a)
return out | python | def _unify_rows(a):
"""Unify lengths of each row of a."""
lens = np.fromiter(map(len, a), np.int32)
if not (lens[0] == lens).all():
out = np.zeros((len(a), lens.max()), np.float32)
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tensorflow/lucid | lucid/misc/gl/meshutil.py | load_obj | def load_obj(fn):
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dictionary with the following keys (some of which may be missing):
position: np.float32, (n, 3) array, vertex positions
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"""Load 3d mesh form .obj' file.
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fn: Input file name or file-like object.
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position: np.float32, (n, 3) array, vertex positions
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tensorflow/lucid | lucid/misc/gl/meshutil.py | normalize_mesh | def normalize_mesh(mesh):
'''Scale mesh to fit into -1..1 cube'''
mesh = dict(mesh)
pos = mesh['position'][:,:3].copy()
pos -= (pos.max(0)+pos.min(0)) / 2.0
pos /= np.abs(pos).max()
mesh['position'] = pos
return mesh | python | def normalize_mesh(mesh):
'''Scale mesh to fit into -1..1 cube'''
mesh = dict(mesh)
pos = mesh['position'][:,:3].copy()
pos -= (pos.max(0)+pos.min(0)) / 2.0
pos /= np.abs(pos).max()
mesh['position'] = pos
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tensorflow/lucid | lucid/modelzoo/vision_base.py | Layer.activations | def activations(self):
"""Loads sampled activations, which requires network access."""
if self._activations is None:
self._activations = _get_aligned_activations(self)
return self._activations | python | def activations(self):
"""Loads sampled activations, which requires network access."""
if self._activations is None:
self._activations = _get_aligned_activations(self)
return self._activations | [
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tensorflow/lucid | lucid/modelzoo/vision_base.py | Model.create_input | def create_input(self, t_input=None, forget_xy_shape=True):
"""Create input tensor."""
if t_input is None:
t_input = tf.placeholder(tf.float32, self.image_shape)
t_prep_input = t_input
if len(t_prep_input.shape) == 3:
t_prep_input = tf.expand_dims(t_prep_input, 0)
if forget_xy_shape:
... | python | def create_input(self, t_input=None, forget_xy_shape=True):
"""Create input tensor."""
if t_input is None:
t_input = tf.placeholder(tf.float32, self.image_shape)
t_prep_input = t_input
if len(t_prep_input.shape) == 3:
t_prep_input = tf.expand_dims(t_prep_input, 0)
if forget_xy_shape:
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tensorflow/lucid | lucid/modelzoo/vision_base.py | Model.import_graph | def import_graph(self, t_input=None, scope='import', forget_xy_shape=True):
"""Import model GraphDef into the current graph."""
graph = tf.get_default_graph()
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"""Import model GraphDef into the current graph."""
graph = tf.get_default_graph()
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tensorflow/lucid | lucid/recipes/activation_atlas/layout.py | normalize_layout | def normalize_layout(layout, min_percentile=1, max_percentile=99, relative_margin=0.1):
"""Removes outliers and scales layout to between [0,1]."""
# compute percentiles
mins = np.percentile(layout, min_percentile, axis=(0))
maxs = np.percentile(layout, max_percentile, axis=(0))
# add margins
m... | python | def normalize_layout(layout, min_percentile=1, max_percentile=99, relative_margin=0.1):
"""Removes outliers and scales layout to between [0,1]."""
# compute percentiles
mins = np.percentile(layout, min_percentile, axis=(0))
maxs = np.percentile(layout, max_percentile, axis=(0))
# add margins
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tensorflow/lucid | lucid/recipes/activation_atlas/layout.py | aligned_umap | def aligned_umap(activations, umap_options={}, normalize=True, verbose=False):
"""`activations` can be a list of ndarrays. In that case a list of layouts is returned."""
umap_defaults = dict(
n_components=2, n_neighbors=50, min_dist=0.05, verbose=verbose, metric="cosine"
)
umap_defaults.update(... | python | def aligned_umap(activations, umap_options={}, normalize=True, verbose=False):
"""`activations` can be a list of ndarrays. In that case a list of layouts is returned."""
umap_defaults = dict(
n_components=2, n_neighbors=50, min_dist=0.05, verbose=verbose, metric="cosine"
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tensorflow/lucid | lucid/scratch/atlas_pipeline/render_tile.py | render_tile | def render_tile(cells, ti, tj, render, params, metadata, layout, summary):
"""
Render each cell in the tile and stitch it into a single image
"""
image_size = params["cell_size"] * params["n_tile"]
tile = Image.new("RGB", (image_size, image_size), (255,255,255))
keys = cells.keys()
for i,key in enumerat... | python | def render_tile(cells, ti, tj, render, params, metadata, layout, summary):
"""
Render each cell in the tile and stitch it into a single image
"""
image_size = params["cell_size"] * params["n_tile"]
tile = Image.new("RGB", (image_size, image_size), (255,255,255))
keys = cells.keys()
for i,key in enumerat... | [
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tensorflow/lucid | lucid/scratch/atlas_pipeline/render_tile.py | aggregate_tile | def aggregate_tile(cells, ti, tj, aggregate, params, metadata, layout, summary):
"""
Call the user defined aggregation function on each cell and combine into a single json object
"""
tile = []
keys = cells.keys()
for i,key in enumerate(keys):
print("cell", i+1, "/", len(keys), end='\r')
cell_json ... | python | def aggregate_tile(cells, ti, tj, aggregate, params, metadata, layout, summary):
"""
Call the user defined aggregation function on each cell and combine into a single json object
"""
tile = []
keys = cells.keys()
for i,key in enumerate(keys):
print("cell", i+1, "/", len(keys), end='\r')
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tensorflow/lucid | lucid/misc/gl/glcontext.py | create_opengl_context | def create_opengl_context(surface_size=(640, 480)):
"""Create offscreen OpenGL context and make it current.
Users are expected to directly use EGL API in case more advanced
context management is required.
Args:
surface_size: (width, height), size of the offscreen rendering surface.
"""
egl_display = e... | python | def create_opengl_context(surface_size=(640, 480)):
"""Create offscreen OpenGL context and make it current.
Users are expected to directly use EGL API in case more advanced
context management is required.
Args:
surface_size: (width, height), size of the offscreen rendering surface.
"""
egl_display = e... | [
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tensorflow/lucid | lucid/optvis/param/resize_bilinear_nd.py | collapse_shape | def collapse_shape(shape, a, b):
"""Collapse `shape` outside the interval (`a`,`b`).
This function collapses `shape` outside the interval (`a`,`b`) by
multiplying the dimensions before `a` into a single dimension,
and mutliplying the dimensions after `b` into a single dimension.
Args:
shape: a tensor sh... | python | def collapse_shape(shape, a, b):
"""Collapse `shape` outside the interval (`a`,`b`).
This function collapses `shape` outside the interval (`a`,`b`) by
multiplying the dimensions before `a` into a single dimension,
and mutliplying the dimensions after `b` into a single dimension.
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tensorflow/lucid | lucid/optvis/param/resize_bilinear_nd.py | resize_bilinear_nd | def resize_bilinear_nd(t, target_shape):
"""Bilinear resizes a tensor t to have shape target_shape.
This function bilinearly resizes a n-dimensional tensor by iteratively
applying tf.image.resize_bilinear (which can only resize 2 dimensions).
For bilinear interpolation, the order in which it is applied does no... | python | def resize_bilinear_nd(t, target_shape):
"""Bilinear resizes a tensor t to have shape target_shape.
This function bilinearly resizes a n-dimensional tensor by iteratively
applying tf.image.resize_bilinear (which can only resize 2 dimensions).
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tensorflow/lucid | lucid/modelzoo/aligned_activations.py | get_aligned_activations | def get_aligned_activations(layer):
"""Downloads 100k activations of the specified layer sampled from iterating over
ImageNet. Activations of all layers where sampled at the same spatial positions for
each image, allowing the calculation of correlations."""
activation_paths = [
PATH_TEMPLATE.for... | python | def get_aligned_activations(layer):
"""Downloads 100k activations of the specified layer sampled from iterating over
ImageNet. Activations of all layers where sampled at the same spatial positions for
each image, allowing the calculation of correlations."""
activation_paths = [
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tensorflow/lucid | lucid/modelzoo/aligned_activations.py | layer_covariance | def layer_covariance(layer1, layer2=None):
"""Computes the covariance matrix between the neurons of two layers. If only one
layer is passed, computes the symmetric covariance matrix of that layer."""
layer2 = layer2 or layer1
act1, act2 = layer1.activations, layer2.activations
num_datapoints = act1.... | python | def layer_covariance(layer1, layer2=None):
"""Computes the covariance matrix between the neurons of two layers. If only one
layer is passed, computes the symmetric covariance matrix of that layer."""
layer2 = layer2 or layer1
act1, act2 = layer1.activations, layer2.activations
num_datapoints = act1.... | [
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tensorflow/lucid | lucid/modelzoo/aligned_activations.py | push_activations | def push_activations(activations, from_layer, to_layer):
"""Push activations from one model to another using prerecorded correlations"""
inverse_covariance_matrix = layer_inverse_covariance(from_layer)
activations_decorrelated = np.dot(inverse_covariance_matrix, activations.T).T
covariance_matrix = laye... | python | def push_activations(activations, from_layer, to_layer):
"""Push activations from one model to another using prerecorded correlations"""
inverse_covariance_matrix = layer_inverse_covariance(from_layer)
activations_decorrelated = np.dot(inverse_covariance_matrix, activations.T).T
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tensorflow/lucid | lucid/recipes/image_interpolation_params.py | multi_interpolation_basis | def multi_interpolation_basis(n_objectives=6, n_interp_steps=5, width=128,
channels=3):
"""A paramaterization for interpolating between each pair of N objectives.
Sometimes you want to interpolate between optimizing a bunch of objectives,
in a paramaterization that encourages images... | python | def multi_interpolation_basis(n_objectives=6, n_interp_steps=5, width=128,
channels=3):
"""A paramaterization for interpolating between each pair of N objectives.
Sometimes you want to interpolate between optimizing a bunch of objectives,
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tensorflow/lucid | lucid/optvis/overrides/gradient_override.py | register_to_random_name | def register_to_random_name(grad_f):
"""Register a gradient function to a random string.
In order to use a custom gradient in TensorFlow, it must be registered to a
string. This is both a hassle, and -- because only one function can every be
registered to a string -- annoying to iterate on in an interactive
... | python | def register_to_random_name(grad_f):
"""Register a gradient function to a random string.
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tensorflow/lucid | lucid/optvis/overrides/gradient_override.py | gradient_override_map | def gradient_override_map(override_dict):
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"""Convenience wrapper for graph.gradient_override_map().
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tensorflow/lucid | lucid/optvis/overrides/gradient_override.py | use_gradient | def use_gradient(grad_f):
"""Decorator for easily setting custom gradients for TensorFlow functions.
* DO NOT use this function if you need to serialize your graph.
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def _foo_grad(op, grad): ...
@use_gradient(_foo_grad)
def... | python | def use_gradient(grad_f):
"""Decorator for easily setting custom gradients for TensorFlow functions.
* DO NOT use this function if you need to serialize your graph.
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tensorflow/lucid | lucid/optvis/param/spatial.py | pixel_image | def pixel_image(shape, sd=None, init_val=None):
"""A naive, pixel-based image parameterization.
Defaults to a random initialization, but can take a supplied init_val argument
instead.
Args:
shape: shape of resulting image, [batch, width, height, channels].
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"""A naive, pixel-based image parameterization.
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tensorflow/lucid | lucid/optvis/param/spatial.py | rfft2d_freqs | def rfft2d_freqs(h, w):
"""Computes 2D spectrum frequencies."""
fy = np.fft.fftfreq(h)[:, None]
# when we have an odd input dimension we need to keep one additional
# frequency and later cut off 1 pixel
if w % 2 == 1:
fx = np.fft.fftfreq(w)[: w // 2 + 2]
else:
fx = np.fft.fftfre... | python | def rfft2d_freqs(h, w):
"""Computes 2D spectrum frequencies."""
fy = np.fft.fftfreq(h)[:, None]
# when we have an odd input dimension we need to keep one additional
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if w % 2 == 1:
fx = np.fft.fftfreq(w)[: w // 2 + 2]
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tensorflow/lucid | lucid/optvis/param/spatial.py | fft_image | def fft_image(shape, sd=None, decay_power=1):
"""An image paramaterization using 2D Fourier coefficients."""
sd = sd or 0.01
batch, h, w, ch = shape
freqs = rfft2d_freqs(h, w)
init_val_size = (2, ch) + freqs.shape
images = []
for _ in range(batch):
# Create a random variable holdin... | python | def fft_image(shape, sd=None, decay_power=1):
"""An image paramaterization using 2D Fourier coefficients."""
sd = sd or 0.01
batch, h, w, ch = shape
freqs = rfft2d_freqs(h, w)
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tensorflow/lucid | lucid/optvis/param/spatial.py | laplacian_pyramid_image | def laplacian_pyramid_image(shape, n_levels=4, sd=None):
"""Simple laplacian pyramid paramaterization of an image.
For more flexibility, use a sum of lowres_tensor()s.
Args:
shape: shape of resulting image, [batch, width, height, channels].
n_levels: number of levels of laplacian pyarmid.
... | python | def laplacian_pyramid_image(shape, n_levels=4, sd=None):
"""Simple laplacian pyramid paramaterization of an image.
For more flexibility, use a sum of lowres_tensor()s.
Args:
shape: shape of resulting image, [batch, width, height, channels].
n_levels: number of levels of laplacian pyarmid.
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tensorflow/lucid | lucid/optvis/param/spatial.py | bilinearly_sampled_image | def bilinearly_sampled_image(texture, uv):
"""Build bilinear texture sampling graph.
Coordinate transformation rules match OpenGL GL_REPEAT wrapping and GL_LINEAR
interpolation modes.
Args:
texture: [tex_h, tex_w, channel_n] tensor.
uv: [frame_h, frame_h, 2] tensor with per-pixel UV coordi... | python | def bilinearly_sampled_image(texture, uv):
"""Build bilinear texture sampling graph.
Coordinate transformation rules match OpenGL GL_REPEAT wrapping and GL_LINEAR
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texture: [tex_h, tex_w, channel_n] tensor.
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tensorflow/lucid | lucid/optvis/param/color.py | _linear_decorelate_color | def _linear_decorelate_color(t):
"""Multiply input by sqrt of emperical (ImageNet) color correlation matrix.
If you interpret t's innermost dimension as describing colors in a
decorrelated version of the color space (which is a very natural way to
describe colors -- see discussion in Feature Visualization ar... | python | def _linear_decorelate_color(t):
"""Multiply input by sqrt of emperical (ImageNet) color correlation matrix.
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tensorflow/lucid | lucid/optvis/param/color.py | to_valid_rgb | def to_valid_rgb(t, decorrelate=False, sigmoid=True):
"""Transform inner dimension of t to valid rgb colors.
In practice this consistes of two parts:
(1) If requested, transform the colors from a decorrelated color space to RGB.
(2) Constrain the color channels to be in [0,1], either using a sigmoid
f... | python | def to_valid_rgb(t, decorrelate=False, sigmoid=True):
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tensorflow/lucid | lucid/modelzoo/other_models/InceptionV1.py | _populate_inception_bottlenecks | def _populate_inception_bottlenecks(scope):
"""Add Inception bottlenecks and their pre-Relu versions to the graph."""
graph = tf.get_default_graph()
for op in graph.get_operations():
if op.name.startswith(scope+'/') and 'Concat' in op.type:
name = op.name.split('/')[1]
pre_relus = []
for tow... | python | def _populate_inception_bottlenecks(scope):
"""Add Inception bottlenecks and their pre-Relu versions to the graph."""
graph = tf.get_default_graph()
for op in graph.get_operations():
if op.name.startswith(scope+'/') and 'Concat' in op.type:
name = op.name.split('/')[1]
pre_relus = []
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tensorflow/lucid | lucid/optvis/objectives.py | wrap_objective | def wrap_objective(f, *args, **kwds):
"""Decorator for creating Objective factories.
Changes f from the closure: (args) => () => TF Tensor
into an Obejective factory: (args) => Objective
while perserving function name, arg info, docs... for interactive python.
"""
objective_func = f(*args, **kwds)
objec... | python | def wrap_objective(f, *args, **kwds):
"""Decorator for creating Objective factories.
Changes f from the closure: (args) => () => TF Tensor
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tensorflow/lucid | lucid/optvis/objectives.py | neuron | def neuron(layer_name, channel_n, x=None, y=None, batch=None):
"""Visualize a single neuron of a single channel.
Defaults to the center neuron. When width and height are even numbers, we
choose the neuron in the bottom right of the center 2x2 neurons.
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"""Visualize a single neuron of a single channel.
Defaults to the center neuron. When width and height are even numbers, we
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tensorflow/lucid | lucid/optvis/objectives.py | channel | def channel(layer, n_channel, batch=None):
"""Visualize a single channel"""
if batch is None:
return lambda T: tf.reduce_mean(T(layer)[..., n_channel])
else:
return lambda T: tf.reduce_mean(T(layer)[batch, ..., n_channel]) | python | def channel(layer, n_channel, batch=None):
"""Visualize a single channel"""
if batch is None:
return lambda T: tf.reduce_mean(T(layer)[..., n_channel])
else:
return lambda T: tf.reduce_mean(T(layer)[batch, ..., n_channel]) | [
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tensorflow/lucid | lucid/optvis/objectives.py | direction | def direction(layer, vec, batch=None, cossim_pow=0):
"""Visualize a direction"""
if batch is None:
vec = vec[None, None, None]
return lambda T: _dot_cossim(T(layer), vec)
else:
vec = vec[None, None]
return lambda T: _dot_cossim(T(layer)[batch], vec) | python | def direction(layer, vec, batch=None, cossim_pow=0):
"""Visualize a direction"""
if batch is None:
vec = vec[None, None, None]
return lambda T: _dot_cossim(T(layer), vec)
else:
vec = vec[None, None]
return lambda T: _dot_cossim(T(layer)[batch], vec) | [
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tensorflow/lucid | lucid/optvis/objectives.py | direction_neuron | def direction_neuron(layer_name, vec, batch=None, x=None, y=None, cossim_pow=0):
"""Visualize a single (x, y) position along the given direction"""
def inner(T):
layer = T(layer_name)
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y_ = shape[2] // 2 if y is None else y
if batch i... | python | def direction_neuron(layer_name, vec, batch=None, x=None, y=None, cossim_pow=0):
"""Visualize a single (x, y) position along the given direction"""
def inner(T):
layer = T(layer_name)
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tensorflow/lucid | lucid/optvis/objectives.py | direction_cossim | def direction_cossim(layer, vec, batch=None):
"""Visualize a direction (cossine similarity)"""
def inner(T):
act_mags = tf.sqrt(tf.reduce_sum(T(layer)**2, -1, keepdims=True))
vec_mag = tf.sqrt(tf.reduce_sum(vec**2))
mags = act_mags * vec_mag
if batch is None:
return tf.reduce_mean(T(layer) * v... | python | def direction_cossim(layer, vec, batch=None):
"""Visualize a direction (cossine similarity)"""
def inner(T):
act_mags = tf.sqrt(tf.reduce_sum(T(layer)**2, -1, keepdims=True))
vec_mag = tf.sqrt(tf.reduce_sum(vec**2))
mags = act_mags * vec_mag
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tensorflow/lucid | lucid/optvis/objectives.py | L1 | def L1(layer="input", constant=0, batch=None):
"""L1 norm of layer. Generally used as penalty."""
if batch is None:
return lambda T: tf.reduce_sum(tf.abs(T(layer) - constant))
else:
return lambda T: tf.reduce_sum(tf.abs(T(layer)[batch] - constant)) | python | def L1(layer="input", constant=0, batch=None):
"""L1 norm of layer. Generally used as penalty."""
if batch is None:
return lambda T: tf.reduce_sum(tf.abs(T(layer) - constant))
else:
return lambda T: tf.reduce_sum(tf.abs(T(layer)[batch] - constant)) | [
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tensorflow/lucid | lucid/optvis/objectives.py | L2 | def L2(layer="input", constant=0, epsilon=1e-6, batch=None):
"""L2 norm of layer. Generally used as penalty."""
if batch is None:
return lambda T: tf.sqrt(epsilon + tf.reduce_sum((T(layer) - constant) ** 2))
else:
return lambda T: tf.sqrt(epsilon + tf.reduce_sum((T(layer)[batch] - constant) ** 2)) | python | def L2(layer="input", constant=0, epsilon=1e-6, batch=None):
"""L2 norm of layer. Generally used as penalty."""
if batch is None:
return lambda T: tf.sqrt(epsilon + tf.reduce_sum((T(layer) - constant) ** 2))
else:
return lambda T: tf.sqrt(epsilon + tf.reduce_sum((T(layer)[batch] - constant) ** 2)) | [
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tensorflow/lucid | lucid/optvis/objectives.py | blur_input_each_step | def blur_input_each_step():
"""Minimizing this objective is equivelant to blurring input each step.
Optimizing (-k)*blur_input_each_step() is equivelant to:
input <- (1-k)*input + k*blur(input)
An operation that was used in early feature visualization work.
See Nguyen, et al., 2015.
"""
def inner(T):... | python | def blur_input_each_step():
"""Minimizing this objective is equivelant to blurring input each step.
Optimizing (-k)*blur_input_each_step() is equivelant to:
input <- (1-k)*input + k*blur(input)
An operation that was used in early feature visualization work.
See Nguyen, et al., 2015.
"""
def inner(T):... | [
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tensorflow/lucid | lucid/optvis/objectives.py | channel_interpolate | def channel_interpolate(layer1, n_channel1, layer2, n_channel2):
"""Interpolate between layer1, n_channel1 and layer2, n_channel2.
Optimize for a convex combination of layer1, n_channel1 and
layer2, n_channel2, transitioning across the batch.
Args:
layer1: layer to optimize 100% at batch=0.
n_channel1... | python | def channel_interpolate(layer1, n_channel1, layer2, n_channel2):
"""Interpolate between layer1, n_channel1 and layer2, n_channel2.
Optimize for a convex combination of layer1, n_channel1 and
layer2, n_channel2, transitioning across the batch.
Args:
layer1: layer to optimize 100% at batch=0.
n_channel1... | [
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tensorflow/lucid | lucid/optvis/objectives.py | penalize_boundary_complexity | def penalize_boundary_complexity(shp, w=20, mask=None, C=0.5):
"""Encourage the boundaries of an image to have less variation and of color C.
Args:
shp: shape of T("input") because this may not be known.
w: width of boundary to penalize. Ignored if mask is set.
mask: mask describing what area should be... | python | def penalize_boundary_complexity(shp, w=20, mask=None, C=0.5):
"""Encourage the boundaries of an image to have less variation and of color C.
Args:
shp: shape of T("input") because this may not be known.
w: width of boundary to penalize. Ignored if mask is set.
mask: mask describing what area should be... | [
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tensorflow/lucid | lucid/optvis/objectives.py | alignment | def alignment(layer, decay_ratio=2):
"""Encourage neighboring images to be similar.
When visualizing the interpolation between two objectives, it's often
desireable to encourage analagous boejcts to be drawn in the same position,
to make them more comparable.
This term penalizes L2 distance between neighbor... | python | def alignment(layer, decay_ratio=2):
"""Encourage neighboring images to be similar.
When visualizing the interpolation between two objectives, it's often
desireable to encourage analagous boejcts to be drawn in the same position,
to make them more comparable.
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tensorflow/lucid | lucid/optvis/objectives.py | diversity | def diversity(layer):
"""Encourage diversity between each batch element.
A neural net feature often responds to multiple things, but naive feature
visualization often only shows us one. If you optimize a batch of images,
this objective will encourage them all to be different.
In particular, it caculuates th... | python | def diversity(layer):
"""Encourage diversity between each batch element.
A neural net feature often responds to multiple things, but naive feature
visualization often only shows us one. If you optimize a batch of images,
this objective will encourage them all to be different.
In particular, it caculuates th... | [
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tensorflow/lucid | lucid/optvis/objectives.py | input_diff | def input_diff(orig_img):
"""Average L2 difference between optimized image and orig_img.
This objective is usually mutliplied by a negative number and used as a
penalty in making advarsarial counterexamples.
"""
def inner(T):
diff = T("input") - orig_img
return tf.sqrt(tf.reduce_mean(diff**2))
retu... | python | def input_diff(orig_img):
"""Average L2 difference between optimized image and orig_img.
This objective is usually mutliplied by a negative number and used as a
penalty in making advarsarial counterexamples.
"""
def inner(T):
diff = T("input") - orig_img
return tf.sqrt(tf.reduce_mean(diff**2))
retu... | [
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