def calculate_citation_history_coordinates(recid):
"""Return a list of citation graph coordinates for RECID, sorted by year."""
result = {}
for year in calculate_citation_graphe_x_coordinates(recid):
result[year] = 0
if len(result) < CFG_BIBRANK_CITATION_HISTORY_MIN_X_POINTS:
# do not generate graphs that have less than X points
return []
for recid in get_cited_by(recid):
rec_date = get_record_year(recid)
# Some records simlpy do not have these fields
if rec_date:
# Maybe rec_date[0][0:4] has a typo and cannot
# be converted to an int
try:
d = strptime(rec_date[0][:4], '%Y')
except ValueError:
pass
else:
if d.year in result:
result[d.year] += 1
return sorted(result.iteritems())
def parse_date_for_googlescholar(datetime_string):
"""
Parse (guess) and return the date in a format adequate for Google
Scholar. We don't use dateutils.guess_datetime() as this one might
lead to results not accurate enough.
"""
datetime_string = CFG_PUNCTUATION_PATTERN_RE.sub(' ', datetime_string)
datetime_string = CFG_SPACES_PATTERN_RE.sub(' ', datetime_string)
def replace_month(match_obj):
"Return translated month in the matching object"
month = match_obj.group(2).strip()
return match_obj.group(1) + \
CFG_MONTH_NAMES_MAPPING.get(month.upper(), month) + \
match_obj.group(3)
parsed_datetime = None
for dateformat in CFG_POSSIBLE_DATE_FORMATS:
try:
parsed_datetime = strptime(datetime_string.strip(), dateformat)
break
except:
pass
if not parsed_datetime:
# Do it all again, with the translated version of the string
translated_datetime_string = CFG_MONTHS_I18N_PATTERN_RE.sub(
replace_month, datetime_string)
for dateformat in CFG_POSSIBLE_DATE_FORMATS:
try:
parsed_datetime = strptime(translated_datetime_string.strip(),
dateformat)
break
except:
pass
if parsed_datetime:
return strftime('%Y/%m/%d', parsed_datetime)
else:
# Look for a year inside the string:
try:
return CFG_YEAR_PATTERN_RE.search(datetime_string).group(3)
except:
return ''
return ''
def parse_date_for_googlescholar(datetime_string):
"""
Parse (guess) and return the date in a format adequate for Google
Scholar. We don't use dateutils.guess_datetime() as this one might
lead to results not accurate enough.
"""
datetime_string = CFG_PUNCTUATION_PATTERN_RE.sub(' ', datetime_string)
datetime_string = CFG_SPACES_PATTERN_RE.sub(' ', datetime_string)
def replace_month(match_obj):
"Return translated month in the matching object"
month = match_obj.group(2).strip()
return match_obj.group(1) + \
CFG_MONTH_NAMES_MAPPING.get(month.upper(), month) + \
match_obj.group(3)
parsed_datetime = None
for dateformat in CFG_POSSIBLE_DATE_FORMATS:
try:
parsed_datetime = strptime(datetime_string.strip(), dateformat)
break
except:
pass
if not parsed_datetime:
# Do it all again, with the translated version of the string
translated_datetime_string = CFG_MONTHS_I18N_PATTERN_RE.sub(replace_month, datetime_string)
for dateformat in CFG_POSSIBLE_DATE_FORMATS:
try:
parsed_datetime = strptime(translated_datetime_string.strip(), dateformat)
break
except:
pass
if parsed_datetime:
return strftime('%Y/%m/%d', parsed_datetime)
else:
# Look for a year inside the string:
try:
return CFG_YEAR_PATTERN_RE.search(datetime_string).group(3)
except:
return ''
return ''
def _sort_dates(self, val):
"""
Convert:
'8 nov 2010' => '2010-11-08'
'nov 2010' => '2010-11-01'
'2010' => '2010-01-01'
"""
datetext_format = "%Y-%m-%d"
try:
datestruct = strptime(val, datetext_format)
except ValueError:
try:
datestruct = strptime(val, "%d %b %Y")
except ValueError:
try:
datestruct = strptime(val, "%b %Y")
except ValueError:
try:
datestruct = strptime(val, "%Y")
except ValueError:
return val
return strftime(datetext_format, datestruct)
def format_element(bfo, place_label, publisher_label, date_label,
separator=', ', date_format=""):
"""
Print imprint (Order: Name of publisher, place of publication and date of publication).
Parameter <code>date_format</code> allows to specify the string representation of the output.
The format string has the same behaviour as the strftime() function::
<pre>Eg: 1982-09-24 07:32:00
"%d %B %Y" -> 24 September 1982
"%I:%M" -> 07:32
</pre>
@param separator: a separator between the elements of imprint
@param place_label: a label to print before the publication place value
@param publisher_label: a label to print before the publisher name
@param date_label: a a label to print before the publication date
@param date_format: date format
@see: place.py, publisher.py, date.py, reprints.py, pagination.py
"""
place = bfo.field('260__a')
publisher = bfo.field('260__b')
date = bfo.field('260__c')
out = ""
if publisher != "sine nomine":
out += publisher_label + ' ' + publisher + separator
if place != "sine loco":
out += place_label + ' ' + place + separator
if len(date) > 0:
if date_format != '':
try:
date_time = strptime(date, "%Y-%m-%d")
out += date_label + " " + strftime(date_format, date_time)
except ValueError:
out += date_label + ' ' + date
else:
out += date_label + ' ' + date
return out
def format_element(bfo, date_format='%d %B %Y', source_formats='%Y-%m-%d', source_fields="260__c",
guess_source_format="no", ignore_date_format_for_year_only="yes"):
"""
Prints the imprint publication date.
Parameter <code>date_format</code> allows to specify the string
representation of the output.
The format string has the same behaviour as the strftime() function:
<pre>Eg: 1982-09-24 07:32:00
"%d %B %Y" -> 24 September 1982
"%I:%M" -> 07:32
</pre>
Note that if input date is simply a year (4 digits), it is
returned as such if <code>ignore_date_format_for_year_only</code>
is set to 'yes', regardless of <code>date_format</code>.
Parameter <code>source_formats</code> allows to specify the
expected format of the date in the metadata. If the format does
not match, the date cannot be parsed, and cannot be formatted
according to <code>date_format</code>. Comma-separated values can
be provided in order to test several input formats.
Parameter <code>source_fields</code> defined the list of MARC
fields where we would like to retrieve the date. First one
matching <code>source_formats</code> is used. if none, fall back to
first non-empty one.
Parameter <code>guess_source_formats</code> when set to 'yes'
allows to guess the date source format.
@see: pagination.py, publisher.py, reprints.py, imprint.py, place.py
@param date_format: output date format.
@param source_formats: expected (comma-separated values) input date format.
@param source_fields: the MARC fields (comma-separated values) to look up
for the date. First non-empty one is used.
@param guess_source_format: if 'yes', ignore 'source_format' and
try to guess format using Python mxDateTime module.
#param ignore_date_format_for_year_only: if 'yes', ignore 'date_format' when the
metadata in the record contains a single
year (4 digits).
"""
guess_source_format_p = guess_source_format.lower() == 'yes'
source_marc_fields = [source_marc_field.strip() for source_marc_field in source_fields.split(',')]
source_formats = [source_format.strip() for source_format in source_formats.split(',')]
ignore_date_format_for_year_only_p = ignore_date_format_for_year_only.lower() == 'yes'
parsed_datetime_value = None
first_matched_raw_date = ''
for source_marc_field in source_marc_fields:
date_value = bfo.field(source_marc_field)
if date_value:
if not first_matched_raw_date:
first_matched_raw_date = date_value
if ignore_date_format_for_year_only_p and \
date_value.isdigit() and len(date_value) == 4:
# Year. Return as such
return date_value
if guess_source_format_p:
try:
parsed_datetime_value = guess_datetime(date_value)
break
except:
pass
else:
for source_format in source_formats:
try:
parsed_datetime_value = strptime(date_value, source_format)
break
except:
pass
if parsed_datetime_value:
# We have correctly parsed one date!
break
if parsed_datetime_value:
return strftime(date_format, parsed_datetime_value)
else:
return first_matched_raw_date
