def get_entry_attribute_by_id(self, cpu_thread_id, argv=list()):
if len(argv) < 2:
raise PatternMissingArguments(2, len(argv))
key = ''.join(argv[:2])
if not key in self.cache_get_entry_attribute_by_id.keys():
try:
entry = [
entry for entry in self.entries if entry.id == int(argv[1])
][0]
self.cache_get_entry_attribute_by_id[key] = getattr(
entry, argv[0])
except ValueError:
raise PatternInvalidArgument("id", argv[1],
messages.id_must_be_an_integer)
except AttributeError as e:
raise PatternInvalidArgument(
"attribute", argv[0],
messages.entry_has_no_metadata_like.format(argv[0]))
except IndexError:
raise PatternInvalidArgument(
"id", argv[1],
messages.cannot_retrieve_entry_attribute_because_wrong_id)
return self.cache_get_entry_attribute_by_id[key]
def include_file(argv):
try:
filename = argv[0]
include_string = open("includes/" + filename, 'r').read()
return include_string
except IndexError:
raise PatternMissingArguments()
except PermissionError:
raise PatternInvalidArgument(
"path", filename, messages.wrong_permissions.format(argv[0]))
except FileNotFoundError:
raise PatternInvalidArgument("path", filename,
messages.file_not_found.format(filename))
def get_blog_metadata(self, cpu_thread_id, argv):
# if exception is raised it will be automatically be catch by processor.
try:
return self.blog_configuration[argv[0]]
except KeyError:
raise PatternInvalidArgument(
"GetBlogMetadata", argv[0],
messages.blog_has_no_metadata_like.format(argv[0]))
def include_file(cpu_thread_id, argv, raise_error=True):
if not len(argv):
raise PatternMissingArguments()
filename = argv[0]
if argv[0] == '':
if not raise_error:
return ""
raise GenericMessage(messages.wrong_pattern_argument.format("path", argv[0], "include_file"))
include_string = None
paths = ("includes/"+filename, shutil.os.path.expanduser("~/.local/share/VenC/themes_includes/"+filename))
for path in paths:
print(path, shutil.os.path.exists(path));
if shutil.os.path.exists(path):
try:
include_string = open(path, 'r').read()
break
except PermissionError:
if not raise_error:
return ""
raise PatternInvalidArgument("path", filename, messages.wrong_permissions.format(path))
if include_string == None:
if not raise_error:
return ""
raise PatternInvalidArgument(
"path",
filename,
'\n' + '\n'.join(
(messages.file_not_found.format(path) for path in paths)
)
)
if len(argv) > 1:
return include_string.format_map(SafeFormatDict(**{
"venc_arg_"+str(index) : argv[index] for index in range(1, len(argv))
}))
else:
return include_string
def get_chapter_attribute_by_index(self, cpu_thread_id, argv=list()):
if len(argv) < 2:
raise PatternMissingArguments(2, len(argv))
key = ''.join(argv[:2])
if not key in self.cache_get_chapter_attribute_by_index.keys():
try:
self.cache_get_chapter_attribute_by_index[key] = getattr(
self.raw_chapters[argv[1]].chapter, argv[0])
except KeyError as e:
raise PatternInvalidArgument(
"index", argv[1],
messages.there_is_no_chapter_with_index.format(argv[1]))
except AttributeError as e:
raise PatternInvalidArgument(
"attribute", argv[0],
messages.chapter_has_no_attribute_like.format(argv[0]))
return self.cache_get_chapter_attribute_by_index[key]
def get_entry_metadata(self, cpu_thread_id, argv):
# if exception is raised it will be automatically be catch by processor.
try:
return str(
getattr(self.cpu_threads_requested_entry[cpu_thread_id],
argv[0]))
except AttributeError:
raise PatternInvalidArgument(
"GetEntryMetadata", argv[0],
messages.entry_has_no_metadata_like.format(argv[0]))
def merge(iterable, argv):
if len(argv) != 2:
raise PatternMissingArguments(expected=2, got=len(argv))
try:
return argv[1].join(
[argv[0].format(**something) for something in iterable])
except IndexError as e:
if e.args == ('tuple index out of range', ):
raise PatternInvalidArgument(name="string", value=argv[0])
raise e
def Latex2MathML(argv):
try:
tex_math_string = argv[0]
return latex2mathml.converter.convert(tex_math_string)
except IndexError:
raise PatternMissingArguments()
except Exception as e:
print(e)
raise PatternInvalidArgument("Tex math string", tex_math_string,
messages.tex_math_error)
def Latex2MathML(cpu_thread_id, argv):
try:
tex_math_string = argv[0]
except IndexError:
raise PatternMissingArguments()
try:
return latex2mathml.converter.convert(tex_math_string)
except:
raise PatternInvalidArgument("LaTex math string", tex_math_string,
messages.tex_math_error)
def get_random_number(cpu_thread_id, in_argv):
try:
mn, mx, precision = in_argv
except ValueError as e:
raise PatternMissingArguments(e)
argv = []
for i in range(0,3):
try:
argv.append(float(in_argv[i]))
except ValueError:
raise PatternInvalidArgument(arg_names[i],in_argv[i], messages.pattern_argument_must_be_integer)
v = float(mn) + random.random() * (float(mx) - float(mn))
return str(int(v)) if int(precision) == 0 else str(round(v, int(precision)))
def try_oembed(providers, url):
try:
key = [key for key in providers["oembed"].keys()
if url.netloc in key][0]
except IndexError:
raise PatternInvalidArgument(
"url", url.geturl(), messages.unknown_provider.format(url.netloc))
try:
r = requests.get(providers["oembed"][key][0],
params={
"url": url.geturl(),
"format": "json"
})
except requests.exceptions.ConnectionError as e:
raise GenericMessage(messages.connectivity_issue + '\n' + str(e))
if r.status_code != 200:
raise GenericMessage(
messages.ressource_unavailable.format(url.geturl()))
try:
html = json.loads(r.text)["html"]
except Exception as e:
raise GenericMessage(messages.response_is_not_json.format(
url.geturl()))
try:
cache_filename = hashlib.md5(url.geturl().encode('utf-8')).hexdigest()
os.makedirs("caches/embed", exist_ok=True)
f = open("caches/embed/" + cache_filename, "w")
f.write(html)
f.close()
except PermissionError:
notify(messages.wrong_permissions.format("caches/embed/" +
cache_filename),
color="YELLOW")
return html
def for_pages(self, argv):
list_lenght = int(argv[0])
string = argv[1]
separator = argv[2]
if self.pages_count <= 1:
return str()
output = str()
page_number = 0
for page in self.pages:
if (not page_number < self.current_page - list_lenght) and (
not page_number > self.current_page + list_lenght):
try:
output += string.format(
**{
"entry_id":
'',
"entry_title":
'',
"page_number":
str(page_number),
"path":
self.filename.format(
**{
"page_number": (str() if page_number ==
0 else page_number)
})
}) + separator
except KeyError as e:
print(e)
raise PatternInvalidArgument(name="string", value=string)
page_number += 1
return output[:-len(separator)]
def trigger_pattern_invalid_argument_exception(argv):
raise PatternInvalidArgument("some field", "some value", "some message")