From dc6531ee98cd6896da812a8f79fc411c73200d3a Mon Sep 17 00:00:00 2001
From: Nemo <commits@captnemo.in>
Date: Sun, 19 Dec 2021 19:18:41 +0530
Subject: [PATCH] Minor updates

---
 .editorconfig   |  2 +-
 .gitignore      |  3 +++
 CHANGELOG.md    | 11 +++++++++++
 HACKING.md      |  2 +-
 Pipfile         | 11 -----------
 src/generate.js | 16 ++++++++++------
 6 files changed, 26 insertions(+), 19 deletions(-)
 create mode 100644 CHANGELOG.md
 delete mode 100644 Pipfile

diff --git a/.editorconfig b/.editorconfig
index 85a3ce7..ba2e75b 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -2,7 +2,7 @@ root = true
 
 [*]
 indent_style = space
-# indent_size = 2
+indent_size = 2
 end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
diff --git a/.gitignore b/.gitignore
index 5315270..eac44e4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,6 @@ __pycache__/
 Gemfile.lock
 *.gem
 *.csv
+.pdm.toml
+__pypackages__/
+src/pincode.egg-info/
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..bed6530
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,11 @@
+# Changelog
+
+All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [UNRELEASED][unreleased]
+
+## [1.0.5][1.0.5]
+##
+
+[1.0.5]: https://github.com/captn3m0/india-pincode-regex/releases/tag/1.0.5
diff --git a/HACKING.md b/HACKING.md
index 0c13c39..2ec61f8 100644
--- a/HACKING.md
+++ b/HACKING.md
@@ -1,6 +1,6 @@
 # Generating the regex
 
-1. Download the latest CSV file from <https://data.gov.in/node/85839/download> or <https://data.gov.in/resources/all-india-pincode-directory>.
+1. Download the latest CSV file from <https://data.gov.in/resources/all-india-pincode-directory-till-last-month>.
 2. Copy all the pincodes to a pincodes.txt file
 3. Generate all unique pincodes by running `sort -u pincodes.txt > /tmp/pin.txt`
 4. `npm install`
diff --git a/Pipfile b/Pipfile
deleted file mode 100644
index 9c7ae7b..0000000
--- a/Pipfile
+++ /dev/null
@@ -1,11 +0,0 @@
-[[source]]
-name = "pypi"
-url = "https://pypi.org/simple"
-verify_ssl = true
-
-[dev-packages]
-
-[packages]
-
-[requires]
-python_version = "3.5"
diff --git a/src/generate.js b/src/generate.js
index feafd26..fdc2ee2 100644
--- a/src/generate.js
+++ b/src/generate.js
@@ -9,26 +9,30 @@ if (!process.argv[2]) {
 
 const readInterface = readline.createInterface({
   input: fs.createReadStream(process.argv[2]),
-  console: false
+  console: false,
 });
 
 regexes = [];
 
+// There are 3 Pincodes that start with 9, but we
+// ignore those as test offices.
 for (var i = 0; i < 8; i++) {
   regexes.push(new Trie());
 }
 
-readInterface.on("line", function(line) {
+readInterface.on("line", function (line) {
   if (line.length === 6) {
     // First character of the PIN
     let areaCode = parseInt(line.charAt(0), 10);
-    let areaCodeIndex = areaCode - 1;
-    regexes[areaCodeIndex].add(line);
+    if (areaCode < 9 && areaCode > 0) {
+      let areaCodeIndex = areaCode - 1;
+      regexes[areaCodeIndex].add(line);
+    }
   }
 });
 
-readInterface.on("close", function() {
-  for(i in regexes) {
+readInterface.on("close", function () {
+  for (i in regexes) {
     console.log(regexes[i].toRegExp());
   }
 });