def test_unicode_text_lines_replaces_null_bytes_with_space(self):
test_file = self.get_test_loc(
'analysis/text-with-trailing-null-bytes.txt')
result = list(unicode_text_lines(test_file))
expected_file = self.get_test_loc(
'analysis/text-with-trailing-null-bytes.txt.expected')
check_text_lines(result, expected_file, regen=False)
def test_unicode_text_lines_handles_weird_xml_encodings(self):
test_file = self.get_test_loc(
'analysis/weird_encoding/easyconf-0.9.0.pom')
result = list(unicode_text_lines(test_file))
expected_file = self.get_test_loc(
'analysis/weird_encoding/easyconf-0.9.0.pom.expected')
check_text_lines(result, expected_file)
def test_unicode_text_lines_handles_weird_xml_encodings(self):
test_file = self.get_test_loc('analysis/weird_encoding/easyconf-0.9.0.pom')
result = list(unicode_text_lines(test_file))
expected_file = self.get_test_loc('analysis/weird_encoding/easyconf-0.9.0.pom.expected')
with open(expected_file, 'rb') as tf:
expected = cPickle.load(tf)
assert expected == result
def demarkup(location):
"""
Return an iterator of unicode text lines for the file at `location` lightly
stripping markup if the file is some kind of markup, such as HTML, XML, PHP,
etc. The whitespaces are collapsed to one space.
"""
from textcode.analysis import unicode_text_lines
# keep the opening tag name of certain tags that contains these strings
# note: <s> are from debian copyright files
kept_tags = ('lic', 'copy', 'auth', 'contr', 'leg', 'inc', '@', '<s>',
'</s>')
# find start and closing tags or the first white space whichever comes first
# or entities
# this regex is such that ' '.join(tags.split(a))==a
tags_ents = re.compile(r'(</?[^\s></]+(?:>|\s)?|&[^\s&]+;|href)',
re.IGNORECASE).split
for line in unicode_text_lines(location):
cleaned = []
for token in tags_ents(line):
if token.lower().startswith(
('<', '&', 'href')) and not any(k in token.lower()
for k in kept_tags):
continue
else:
cleaned.append(token)
yield u' '.join(cleaned)
def cpp_includes(location, **kwargs):
"""Collect the #includes statements in a C/C++ file."""
T = contenttype.get_type(location)
if not T.is_c_source:
return
results = []
for line in analysis.unicode_text_lines(location):
for inc in cpp_includes_re().findall(line):
results.append(inc)
return dict(cpp_includes=results)
def demarkup(location):
"""
Return an iterator of unicode text lines for the file at `location` lightly
stripping markup if the file is some kind of markup, such as HTML, XML, PHP,
etc. The whitespaces are collapsed to one space.
"""
from textcode.analysis import unicode_text_lines
for line in unicode_text_lines(location):
yield demarkup_text(line)
def test_unicode_text_lines_handles_weird_xml_encodings(self):
test_file = self.get_test_loc('analysis/weird_encoding/easyconf-0.9.0.pom')
result = list(unicode_text_lines(test_file))
expected_file = self.get_test_loc('analysis/weird_encoding/easyconf-0.9.0.pom.expected')
regen = False
if regen:
with open(expected_file, 'wb') as tf:
json.dump(result, tf)
with open(expected_file, 'rb') as tf:
expected = json.load(tf)
assert expected == result
def get_tokens(location, template):
"""
Return a list of tokens from a from a file at location using the tokenizer
function.
"""
location = os.path.abspath(location)
if not exists(location):
return []
tokenizr = template_tknzr if template else text_tknzr
lines = analysis.unicode_text_lines(location)
return list(tokenizr(lines))
def get_tokens(location, template):
"""
Return a list of tokens from a from a file at location using the tokenizer
function.
"""
location = os.path.abspath(location)
if not exists(location):
return []
tokenizr = template_tknzr if template else text_tknzr
lines = analysis.unicode_text_lines(location)
return list(tokenizr(lines))
def __init__(self, lockfile, print_errors=True):
self.lockfile = lockfile
self.print_errors = print_errors
# map of a line start string to the next parsing state function
self.STATES = {
DEPENDENCIES: self.parse_dependency,
PLATFORMS: self.parse_platform,
GIT: self.parse_options,
PATH: self.parse_options,
SVN: self.parse_options,
GEM: self.parse_options,
SPECS: self.parse_spec
}
# the final tree of dependencies, keyed by name
self.dependencies = OrderedDict()
# a flat dict of all gems, keyed by name
self.all_gems = OrderedDict()
self.platforms = []
self.sources = []
self.specs = {}
# init parsing state
self.reset_state()
# parse proper
for line in analysis.unicode_text_lines(lockfile):
line = line.rstrip()
# reset state
if not line:
self.reset_state()
continue
# switch to new state
if line in self.STATES:
if line in GEM_TYPES:
self.current_type = line
self.state = self.STATES[line]
continue
# process state
if self.state:
self.state(line)
# finally refine the collected data
self.refine()
def get_tokens(location, template, use_cache=False):
"""
Return a list of tokens from a from a file at location using the tokenizer
function.
"""
location = os.path.abspath(location)
if not exists(location):
raise RuleWithNoTokenError('Rule text location does not exist: %(location)r' % locals())
# return []
file_name = fileutils.file_name(location)
cached_tokens = os.path.join(cache_dir, file_name)
if use_cache and os.path.exists(cached_tokens):
# TODO: improve cache check
tokens = list(load_tokens(cached_tokens))
else:
tokenizr = template and template_tknzr or text_tknzr
lines = analysis.unicode_text_lines(location)
tokens = list(tokenizr(lines))
if use_cache:
dump_tokens(cached_tokens, tokens)
return tokens