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authorTerry Truong <terry06890@gmail.com>2022-06-22 01:42:41 +1000
committerTerry Truong <terry06890@gmail.com>2022-06-22 09:39:44 +1000
commite78c4df403e5f98afa08f7a0841ff233d5f6d05b (patch)
treef13dbf91228550075644be9766b4546eb20f1e1f /backend/data/dbpedia/genData.py
parentae1467d2ab35a03eb2d7bf3e5ca1cf4634b23443 (diff)
Update backend READMEs, rename some files for consistency
Diffstat (limited to 'backend/data/dbpedia/genData.py')
-rwxr-xr-xbackend/data/dbpedia/genData.py146
1 files changed, 0 insertions, 146 deletions
diff --git a/backend/data/dbpedia/genData.py b/backend/data/dbpedia/genData.py
deleted file mode 100755
index 41c48a8..0000000
--- a/backend/data/dbpedia/genData.py
+++ /dev/null
@@ -1,146 +0,0 @@
-#!/usr/bin/python3
-
-import sys, re
-import bz2, sqlite3
-
-usageInfo = f"usage: {sys.argv[0]}\n"
-usageInfo += "Reads DBpedia labels/types/abstracts/etc data,\n"
-usageInfo += "and creates a sqlite db containing that data.\n"
-if len(sys.argv) > 1:
- print(usageInfo, file=sys.stderr)
- sys.exit(1)
-
-labelsFile = "labels_lang=en.ttl.bz2" # Has about 16e6 lines
-idsFile = "page_lang=en_ids.ttl.bz2"
-redirectsFile = "redirects_lang=en_transitive.ttl.bz2"
-disambigFile = "disambiguations_lang=en.ttl.bz2"
-typesFile = "instance-types_lang=en_specific.ttl.bz2"
-abstractsFile = "short-abstracts_lang=en.ttl.bz2"
-dbFile = "dbpData.db"
-
-# Open db
-dbCon = sqlite3.connect(dbFile)
-dbCur = dbCon.cursor()
-# Read/store labels
-print("Reading/storing label data")
-dbCur.execute("CREATE TABLE labels (iri TEXT PRIMARY KEY, label TEXT)")
-dbCur.execute("CREATE INDEX labels_idx ON labels(label)")
-dbCur.execute("CREATE INDEX labels_idx_nc ON labels(label COLLATE NOCASE)")
-labelLineRegex = re.compile(r'<([^>]+)> <[^>]+> "((?:[^"]|\\")+)"@en \.\n')
-lineNum = 0
-with bz2.open(labelsFile, mode='rt') as file:
- for line in file:
- lineNum += 1
- if lineNum % 1e5 == 0:
- print(f"Processing line {lineNum}")
- #
- match = labelLineRegex.fullmatch(line)
- if match == None:
- print(f"ERROR: Line {lineNum} has unexpected format", file=sys.stderr)
- sys.exit(1)
- else:
- dbCur.execute("INSERT INTO labels VALUES (?, ?)", (match.group(1), match.group(2)))
-dbCon.commit()
-# Read/store wiki page ids
-print("Reading/storing wiki page ids")
-dbCur.execute("CREATE TABLE ids (iri TEXT PRIMARY KEY, id INT)")
-idLineRegex = re.compile(r'<([^>]+)> <[^>]+> "(\d+)".*\n')
-lineNum = 0
-with bz2.open(idsFile, mode='rt') as file:
- for line in file:
- lineNum += 1
- if lineNum % 1e5 == 0:
- print(f"Processing line {lineNum}")
- #
- match = idLineRegex.fullmatch(line)
- if match == None:
- print(f"ERROR: Line {lineNum} has unexpected format", file=sys.stderr)
- sys.exit(1)
- else:
- try:
- dbCur.execute("INSERT INTO ids VALUES (?, ?)", (match.group(1), int(match.group(2))))
- except sqlite3.IntegrityError as e:
- # Accounts for certain lines that have the same IRI
- print(f"Failed to add entry with IRI \"{match.group(1)}\": {e}")
-dbCon.commit()
-# Read/store redirects
-print("Reading/storing redirection data")
-dbCur.execute("CREATE TABLE redirects (iri TEXT PRIMARY KEY, target TEXT)")
-redirLineRegex = re.compile(r'<([^>]+)> <[^>]+> <([^>]+)> \.\n')
-lineNum = 0
-with bz2.open(redirectsFile, mode='rt') as file:
- for line in file:
- lineNum += 1
- if lineNum % 1e5 == 0:
- print(f"Processing line {lineNum}")
- #
- match = redirLineRegex.fullmatch(line)
- if match == None:
- print(f"ERROR: Line {lineNum} has unexpected format", file=sys.stderr)
- sys.exit(1)
- else:
- dbCur.execute("INSERT INTO redirects VALUES (?, ?)", (match.group(1), match.group(2)))
-dbCon.commit()
-# Read/store diambiguation-page data
-print("Reading/storing diambiguation-page data")
-disambigNames = set()
-disambigLineRegex = redirLineRegex
-lineNum = 0
-with bz2.open(disambigFile, mode='rt') as file:
- for line in file:
- lineNum += 1
- if lineNum % 1e5 == 0:
- print(f"Processing line {lineNum}")
- #
- match = disambigLineRegex.fullmatch(line)
- if match == None:
- print(f"ERROR: Line {lineNum} has unexpected format", file=sys.stderr)
- sys.exit(1)
- else:
- disambigNames.add(match.group(1))
-dbCur.execute("CREATE TABLE disambiguations (iri TEXT PRIMARY KEY)")
-for name in disambigNames:
- dbCur.execute("INSERT INTO disambiguations VALUES (?)", (name,))
-dbCon.commit()
-# Read/store instance-type
-print("Reading/storing instance-type data")
-dbCur.execute("CREATE TABLE types (iri TEXT, type TEXT)")
-dbCur.execute("CREATE INDEX types_iri_idx ON types(iri)")
-typeLineRegex = redirLineRegex
-lineNum = 0
-with bz2.open(typesFile, mode='rt') as file:
- for line in file:
- lineNum += 1
- if lineNum % 1e5 == 0:
- print(f"Processing line {lineNum}")
- #
- match = typeLineRegex.fullmatch(line)
- if match == None:
- print(f"ERROR: Line {lineNum} has unexpected format", file=sys.stderr)
- sys.exit(1)
- else:
- dbCur.execute("INSERT INTO types VALUES (?, ?)", (match.group(1), match.group(2)))
-dbCon.commit()
-# Read/store abstracts
-print("Reading/storing abstracts")
-dbCur.execute("CREATE TABLE abstracts (iri TEXT PRIMARY KEY, abstract TEXT)")
-descLineRegex = labelLineRegex
-lineNum = 0
-with bz2.open(abstractsFile, mode='rt') as file:
- for line in file:
- lineNum += 1
- if lineNum % 1e5 == 0:
- print(f"Processing line {lineNum}")
- #
- if line[0] == "#":
- continue
- match = descLineRegex.fullmatch(line)
- if match == None:
- print(f"ERROR: Line {lineNum} has unexpected format", file=sys.stderr)
- sys.exit(1)
- else:
- dbCur.execute("INSERT INTO abstracts VALUES (?, ?)",
- (match.group(1), match.group(2).replace(r'\"', '"')))
-# Close db
-dbCon.commit()
-dbCon.close()