gallicaGetter 0.0.9

A Python wrapper for multi-threaded retrieval from Gallica API endpoints

gallicaGetter

This tool wraps a few endpoints from the Gallica API.

Current endpoints are:

• 'content' : context for term occurrence and page numbers
• 'sru' : for a term, all the volumes the term appears in
• 'text' : full text for a volume on Gallica
• 'papers' : paper titles and publishing range data
• 'issues' : years published for a paper (used internally in papers)

I developed this tool into a graphing app similar to Google's n-gram viewer for books.

For an exact number of occurrences over a period, use Pyllicagram.

Installation

pip install gallicaGetter

Content example

This wrapper pairs best with an SRU fetch since the ark code for an issue is in the SRU response.

Build the content wrapper using connect(), fetch using get():

import gallicaGetter

contentWrapper = gallicaGetter.connect('content')

data = contentWrapper.get(
    ark='bpt6k270178t',
    term='guerre',
)

for contentRecord in data:
    print(contentRecord.num_results)
    print(contentRecord.get_pages())

SRU examples

Build the wrapper object using the connect() factory:

import gallicaGetter

sruWrapper = gallicaGetter.connect('sru')

Then, retrieve records or counts using get().

get(terms, generate=False, **kwargs)

PARAMETERS:

• terms: a string, or list of strings, to search for.
• startDate: lower year boundary for the search.
• endDate: upper year boundary for the search.
• codes: string paper codes to restrict the search. Can be found in the URL of a Gallica periodical's page.
• grouping: 'year', 'month', or 'all'
• generate: if True, returns a generator object. Otherwise, returns a list of results.
• linkTerm: a string that restricts the search to occurrences within its proximity.
• linkDistance: proximity distance in words.

Retrieve the number of volumes with >= 1 mention of "Victor Hugo" across the Gallica archive from 1800 to 1900, by year, running 30 requests in parallel.

import gallicaGetter

sruWrapper = gallicaGetter.connect('sru', numWorkers=30)

records = sruWrapper.get(
    terms="Victor Hugo",
    startDate="1800",
    endDate="1900",
    grouping="year"
)

for record in records:
    print(record.getRow())

Retrieve 15 issues that mention "Brazza" from 1890 to 1900.

import gallicaGetter

sruWrapper = gallicaGetter.connect('sru')

records = sruWrapper.get(
    terms="Brazza",
    startDate="1890",
    endDate="1900",
    grouping="all",
    numRecords=15
)

for record in records:
    print(record.getRow())

Retrieve all occurrences of "Brazza" within 10 words of "Congo" in the paper "Le Temps" from 1890 to 1900.

import gallicaGetter

sruWrapper = gallicaGetter.connect('sru')

records = sruWrapper.get(
    terms="Brazza",
    startDate="1890",
    endDate="1900",
    linkTerm="Congo",
    linkDistance=10,
    grouping="all",
    codes="cb34431794k"
)

for record in records:
    print(record.getRow())

Retrieve all issues mentioning "Paris" in the papers "Le Temps" and "Le Figaro" from 1890 to 1900.

import gallicaGetter

sruWrapper = gallicaGetter.connect('sru')

recordGenerator = sruWrapper.get(
    terms="Paris",
    startDate="1890",
    endDate="1900",
    grouping="all",
    codes=["cb34431794k", "cb34355551z"]
)

for record in recordGenerator:
    print(record.getRow())

Full text example

Retrieve a volume's text from its ark code. Pass a list of codes to retrieve multiple sets of text.

import gallicaGetter

textWrapper = gallicaGetter.connect('text')

data = textWrapper.get('bpt6k270178t')

for textRecord in data:
    print(textRecord.get_ocr_quality())
    print(textRecord.get_text())

Papers example

Retrieve metadata from a Gallica periodical's code. Example for "Le Temps":

import gallicaGetter

papersWrapper = gallicaGetter.connect('papers')

metadata = papersWrapper.get('cb34431794k')

for record in metadata:
    print(record.getRow())
    print(record.isContinuous())

Issues example

The papers wrapper calls this internally, but it might be useful. For a paper code, retrieve all years with at least one issue archived on Gallica.

import gallicaGetter

issuesWrapper = gallicaGetter.connect('issues')

years = issuesWrapper.get('cb34431794k')