Add Ji-Paraná-RO spider

resolve #687

data_collection/gazette/spiders/ro/ro_ji_parana.py

@@ -0,0 +1,259 @@
+import re
+from datetime import date
+
+from dateutil.rrule import YEARLY, rrule
+from scrapy import Request
+
+from gazette.items import Gazette
+from gazette.spiders.base import BaseGazetteSpider
+
+POST_2013_SPLIT_GAZETTE_TEXT_PATTERN = re.compile(
+    r"Edição[^0-9]+"
+    r"([0-9]+)(?# edition_number)"
+    r"\s*[-–]?\s*"
+    r"([^0-9]*)(?# non-empty in case is_extra_edition_based_on_its_text)"
+    r"\s+[--]\s+"
+    r"([0-9]{4})(?# gazette year)"
+    r"."
+    r"([0-9]{2})(?# gazette month)"
+    r"."
+    r"([0-9]{2})(?# gazette day)",
+    flags=re.IGNORECASE,
+)
+IS_EXTRA_EDITION_PATTERN = re.compile(
+    # sumplemento is a typo found in 2018-05-17
+    # suplmento is a typo found in 2018-06-20
+    # extraordinária found in 2020-09-05
+    r"(sum?ple?mento|extraordinária)",
+    flags=re.IGNORECASE,
+)
+
+
+# The parameters the with GazettesDataPerPage inline comment rely on
+# a particular nested dict structure to temporarily store all the collected metadata.
+#
+# That storage is a dict in which the key is a tuple composed by 3 items:
+#   - gazette_date
+#   - edition_number
+#   - is_extra_edition
+#
+# As there can be multiple files for a single combination, the value of the outer dict is
+# another dict this time using the is_extra_edition_text as key and a set of urls
+# as the innermost value.
+#
+# Here are some examples where there are multiple files for the same day
+#
+# {
+#     (date(2010, 4, 15), '813', False): {
+#         'Parte 1': {
+#             'https://www.domjp.com.br/pdf/2010-04-15-part.1.pdf',
+#         },
+#         'Parte 2': {
+#             'https://www.domjp.com.br/pdf/2010-04-15-part.2.pdf',
+#         },
+#     },
+#
+#     (date(2010, 7, 14), '874', False): {
+#         '': {
+#             'https://www.domjp.com.br/pdf/2010-07-14.pdf',
+#         },
+#     },
+#     (date(2010, 7, 14), '874', True): {
+#         'Parte 2': {
+#             'https://www.domjp.com.br/pdf/2010-07-14-suplemento.pdf',
+#         },
+#     },
+#
+#     (date(2023, 1, 10), '3930', False): {
+#         '': {
+#             'https://diariooficialjp.com.br/pdf/2023-01-10.pdf',
+#         },
+#     },
+#     (date(2023, 1, 10), '3930', True): {
+#         'SUPLEMENTO': {
+#             'https://diariooficialjp.com.br/pdf/2023-01-10-suplemento.pdf',
+#         },
+#     },
+# }
+
+
+class RoJiParana(BaseGazetteSpider):
+    name = "ro_ji_parana"
+    TERRITORY_ID = "1100122"
+    start_date = date(2013, 6, 3)  # edition_number 1586
+
+    BASE_URL = "https://diariooficialjp.com.br/"
+    POST_2013_SPLIT_FORMAT = "https://diariooficialjp.com.br/anop.php?ano={year}"
+
+    allowed_domains = [
+        "domjp.com.br",
+        "diariooficialjp.com.br",
+    ]
+
+    # Given that after reaching a certain rate limit, servers responds with 403,
+    # we have adjusted some values to avoid this situation.
+    custom_settings = {
+        "CONCURRENT_ITEMS": 50,
+        "CONCURRENT_REQUESTS": 6,
+        "DOWNLOAD_DELAY": 1.5,  # 1500 ms
+        "RANDOMIZE_DOWNLOAD_DELAY": True,
+    }
+
+    def start_requests(self):
+        initial_date = date(self.start_date.year, 1, 1)
+
+        for yearly_date in rrule(
+            freq=YEARLY,
+            dtstart=initial_date,
+            until=self.end_date,
+        ):
+            year = yearly_date.year
+
+            yield Request(
+                self.POST_2013_SPLIT_FORMAT.format(year=year),
+                callback=self.parse_year_post_2013_split,
+                cb_kwargs={"year": year},
+            )
+
+    def parse_year_post_2013_split(self, response, year):
+        current_gazettes_data_per_page = {}
+
+        gazette_data_xpath = (
+            "//div[@class='col-sm-8' and descendant::a["
+            f" @href and contains(text(), 'Edição') and contains(text(), ' {year}-')"
+            "]]"
+            f"//a[@href and contains(text(), 'Edição') and contains(text(), ' {year}-')]"
+        )
+
+        for gazette_node in response.xpath(gazette_data_xpath):
+            node_text = gazette_node.xpath("./text()").get().strip()
+
+            match_ = POST_2013_SPLIT_GAZETTE_TEXT_PATTERN.search(node_text)
+            if not match_:
+                self.logger.info(f"Unable to extract gazette data from '{node_text}'")
+                continue
+
+            edition_number = match_.group(1)
+            is_extra_edition_text = match_.group(2).strip()
+            year_value = int(match_.group(3))
+            month_value = int(match_.group(4))
+            day_value = int(match_.group(5))
+
+            gazette_date = date(year_value, month_value, day_value)
+            if gazette_date.year != year:
+                self.logger.warning(
+                    f"Extracted date {gazette_date.isoformat()} is not from"
+                    f" queried year {year}. Skipping..."
+                )
+                continue
+
+            if not (self.start_date <= gazette_date <= self.end_date):
+                continue
+
+            relative_url = gazette_node.xpath("./@href").get().strip()
+            url = (
+                response.urljoin(relative_url)
+                # There are a few old hardcoded http:// URLs
+                # By manually replacing it with https://, we avoid a few 302 redirections
+                .replace("http://", "https://")
+            )
+
+            is_extra_edition_based_on_its_text = bool(
+                IS_EXTRA_EDITION_PATTERN.search(is_extra_edition_text)
+            )
+            is_extra_edition_based_on_its_url = bool(
+                IS_EXTRA_EDITION_PATTERN.search(url)
+            )
+            is_extra_edition = (
+                is_extra_edition_based_on_its_text or is_extra_edition_based_on_its_url
+            )
+
+            self._validate_uniqueness(
+                current_gazettes_data_per_page,
+                gazette_date,
+                edition_number,
+                is_extra_edition,
+                is_extra_edition_text,
+                url,
+            )
+
+        # After gathering all the data in this page, we will sort the data to
+        # retrieve the actual gazettes
+        yield from self._yield_gazettes(current_gazettes_data_per_page)
+
+    def _validate_uniqueness(
+        self,
+        current_gazettes_data_per_page,  # GazettesDataPerPage
+        gazette_date,
+        edition_number,
+        is_extra_edition,
+        is_extra_edition_text,
+        url,
+    ):
+        if gazette_date == date(2014, 8, 28) and not url.endswith(".pdf"):
+            # 2014-08-28 edition_number 1892 has two entries with the same text, and
+            # one of the URLs points to an invalid URL
+            self.logger.info(
+                f"The extracted URL for {gazette_date.isoformat()}"
+                f" edition_number {edition_number}"
+                f" is_extra_edition {is_extra_edition}"
+                f" did not end with .pdf: '{url}'."
+                f" Skipping..."
+            )
+            return
+
+        current_gazette_key = (
+            gazette_date,
+            edition_number,
+            is_extra_edition,
+        )
+        current_gazette_url_set = current_gazettes_data_per_page.setdefault(
+            current_gazette_key, {}
+        ).setdefault(is_extra_edition_text, set())
+
+        if url in current_gazette_url_set:
+            self.logger.info(
+                f"A previous entry for edition_number {edition_number}"
+                f" for {gazette_date.isoformat()}, same is_extra_edition value"
+                f" and same URL was registered. Skipping..."
+            )
+            return
+
+        current_gazette_url_set.add(url)
+
+    def _yield_gazettes(
+        self,
+        current_gazettes_data_per_page,  # GazettesDataPerPage
+    ):
+        for (
+            gazette_date,
+            edition_number,
+            is_extra_edition,
+        ), by_is_extra_edition_text in current_gazettes_data_per_page.items():
+            # Sort urls by is_extra_edition_text
+            yield_gazette = True
+            current_gazette_urls = []
+            for key in sorted(by_is_extra_edition_text):
+                url_set = by_is_extra_edition_text[key]
+                if len(url_set) > 1:
+                    self.logger.error(
+                        f"More than one URL was found"
+                        f" for edition_number {edition_number}"
+                        f" for {gazette_date.isoformat()}, and"
+                        f" same is_extra_edition value."
+                    )
+                    yield_gazette = False
+                else:
+                    url = url_set.pop()
+                    current_gazette_urls.append(url)
+
+            if not yield_gazette:
+                continue
+
+            yield Gazette(
+                edition_number=edition_number,
+                date=gazette_date,
+                is_extra_edition=is_extra_edition,
+                file_urls=current_gazette_urls,
+                power="executive",
+            )