From 6c3865e40cbcbce4b57edbef16fa5335449e1826 Mon Sep 17 00:00:00 2001
From: Johannes Christ <jc@jchri.st>
Date: Tue, 28 May 2024 20:00:07 +0200
Subject: Add support for parsing system information

This commit adds support for parsing miscellaneous system file formats,
allowing us to further incorporate parsing for files such as
``/proc/PID/status`` for future command purposes.
---
 arthur/apis/systems/lib9front.py | 99 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 arthur/apis/systems/lib9front.py

(limited to 'arthur/apis/systems/lib9front.py')

diff --git a/arthur/apis/systems/lib9front.py b/arthur/apis/systems/lib9front.py
new file mode 100644
index 0000000..e499147
--- /dev/null
+++ b/arthur/apis/systems/lib9front.py
@@ -0,0 +1,99 @@
+"""Library functions for working with 9front systems and file formats."""
+
+import random
+
+
+def generate_blog_comment(blogcom: str) -> str:
+    """
+    Generate a blog comment out of the ``blogcom`` file contents that are passed in.
+
+    The blogcom file can be retrieved at ``/lib/blogcom`` in 9front.
+
+    This function is implemented according to the highest standards in
+    performance and security, and to be able to generate properly random texts,
+    it utilizes a 623-dimensionally equidistributed uniform pseudorandom number
+    generator as described by Makoto Matsumoto and Takuji Nishimura. In other
+    words, for our purposes, this function matches or even exceeds Python
+    Discord's security requirements.
+    """
+    # Complete output buffer
+    out = []
+    # Options of the current branch, of which one will be selected at random
+    options = []
+    # Character buffer of the current choice
+    choice_buf = []
+    # Whether we are in a {block|of|options} at the moment
+    in_block = False
+
+    for char in blogcom:
+        if char == "{":
+            in_block = True
+        elif in_block and char == "|":
+            options.append("".join(choice_buf))
+            choice_buf.clear()
+        elif in_block and char == "}":
+            options.append("".join(choice_buf))
+            choice_buf.clear()
+            out.append(random.choice(options))
+            options.clear()
+            in_block = False
+        elif in_block:
+            choice_buf.append(char)
+        else:
+            out.append(char)
+
+    return "".join(out)
+
+
+def generate_buzzwords(bullshit: str) -> str:
+    """
+    Generates buzzwords to describe a random product of the ``bullshit`` file contents that are passed in.
+
+    The bullshit file can be retrieved at ``/lib/bullshit`` in 9front.
+
+    This function underlies the same security guarantees as ``generate_blog_comment``.
+    """
+    # line markers
+    # nothing -> word
+    # ^ -> start
+    # * -> protocol
+    # % -> suffix
+    # | -> adjectives
+    # $ -> end
+    words = []
+    starters = []
+    protocols = []
+    suffixes = []
+    adjectives = []
+    endings = []
+
+    # Parsing
+    for line in bullshit.splitlines():
+        if " " not in line:
+            words.append(line)
+        else:
+            word, qualifier = line.split()
+            if qualifier == "^":
+                starters.append(word)
+            elif qualifier == "*":
+                protocols.append(word)
+            elif qualifier == "%":
+                suffixes.append(word)
+            elif qualifier == "|":
+                adjectives.append(word)
+            elif qualifier == "$":
+                endings.append(word)
+
+    # Generating
+    response = []
+    for _ in range(random.randint(1, 2)):
+        response.append(random.choice(starters))
+    for _ in range(random.randint(1, 2)):
+        response.append(random.choice(adjectives))
+    for _ in range(random.randint(1, 2)):
+        response.append(random.choice(words) + random.choice(suffixes) * random.randint(0, 1))
+    if random.random() > 0.5:
+        response.append("over " + random.choice(protocols))
+    if random.random() > 0.3:
+        response.append(random.choice(endings))
+    return " ".join(response)
-- 
cgit v1.2.3


From 3ba33437f491485065cc3921d07a0b3745376c24 Mon Sep 17 00:00:00 2001
From: Johannes Christ <jc@jchri.st>
Date: Fri, 31 May 2024 18:40:38 +0200
Subject: Correct parsing library information file

---
 arthur/apis/systems/lib9front.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'arthur/apis/systems/lib9front.py')

diff --git a/arthur/apis/systems/lib9front.py b/arthur/apis/systems/lib9front.py
index e499147..a527a6e 100644
--- a/arthur/apis/systems/lib9front.py
+++ b/arthur/apis/systems/lib9front.py
@@ -16,6 +16,7 @@ def generate_blog_comment(blogcom: str) -> str:
     words, for our purposes, this function matches or even exceeds Python
     Discord's security requirements.
     """
+    fragment = random.choice(blogcom.split("|\n"))
     # Complete output buffer
     out = []
     # Options of the current branch, of which one will be selected at random
@@ -25,7 +26,7 @@ def generate_blog_comment(blogcom: str) -> str:
     # Whether we are in a {block|of|options} at the moment
     in_block = False
 
-    for char in blogcom:
+    for char in fragment:
         if char == "{":
             in_block = True
         elif in_block and char == "|":
-- 
cgit v1.2.3